Add a common device tree for all Nuvoton NPCM7xx BMCs and a board
specific device tree for the NPCM750(Poleg) evaluation board.

Signed-off-by: Jim Liu <[email protected]>
---
 arch/arm/dts/Makefile                        |    1 +
 arch/arm/dts/nuvoton-common-npcm7xx.dtsi     | 1120 ++++++++++++++++++
 arch/arm/dts/nuvoton-npcm750-buv-pincfg.dtsi |  132 +++
 arch/arm/dts/nuvoton-npcm750-buv.dts         |  198 ++++
 arch/arm/dts/nuvoton-npcm750.dtsi            |   63 +
 arch/arm/dts/nuvoton-npcm7xx-uboot.dtsi      |  263 ++++
 6 files changed, 1777 insertions(+)
 create mode 100644 arch/arm/dts/nuvoton-common-npcm7xx.dtsi
 create mode 100644 arch/arm/dts/nuvoton-npcm750-buv-pincfg.dtsi
 create mode 100644 arch/arm/dts/nuvoton-npcm750-buv.dts
 create mode 100644 arch/arm/dts/nuvoton-npcm750.dtsi
 create mode 100644 arch/arm/dts/nuvoton-npcm7xx-uboot.dtsi

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 644ba961a2..bbacc3c9bd 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1164,6 +1164,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
        mt8516-pumpkin.dtb \
        mt8518-ap1-emmc.dtb
 
+dtb-$(CONFIG_ARCH_NPCM7xx) += nuvoton-npcm750-buv.dtb
 dtb-$(CONFIG_XEN) += xenguest-arm64.dtb
 
 dtb-$(CONFIG_ARCH_OCTEONTX) += octeontx.dtb
diff --git a/arch/arm/dts/nuvoton-common-npcm7xx.dtsi 
b/arch/arm/dts/nuvoton-common-npcm7xx.dtsi
new file mode 100644
index 0000000000..9dbc521a8e
--- /dev/null
+++ b/arch/arm/dts/nuvoton-common-npcm7xx.dtsi
@@ -0,0 +1,1120 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
+#include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
+
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       interrupt-parent = <&gic>;
+
+       /* external reference clock */
+       clk_refclk: clk_refclk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <25000000>;
+               clock-output-names = "refclk";
+       };
+
+       /* external reference clock for cpu. float in normal operation */
+       clk_sysbypck: clk_sysbypck {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <800000000>;
+               clock-output-names = "sysbypck";
+       };
+
+       /* external reference clock for MC. float in normal operation */
+       clk_mcbypck: clk_mcbypck {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <800000000>;
+               clock-output-names = "mcbypck";
+       };
+
+        /* external clock signal rg1refck, supplied by the phy */
+       clk_rg1refck: clk_rg1refck {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <125000000>;
+               clock-output-names = "clk_rg1refck";
+       };
+
+        /* external clock signal rg2refck, supplied by the phy */
+       clk_rg2refck: clk_rg2refck {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <125000000>;
+               clock-output-names = "clk_rg2refck";
+       };
+
+       clk_xin: clk_xin {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <50000000>;
+               clock-output-names = "clk_xin";
+       };
+
+       soc {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "simple-bus";
+               interrupt-parent = <&gic>;
+               ranges = <0x0 0xf0000000 0x00900000>;
+
+               scu: scu@3fe000 {
+                       compatible = "arm,cortex-a9-scu";
+                       reg = <0x3fe000 0x1000>;
+               };
+
+               l2: cache-controller@3fc000 {
+                       compatible = "arm,pl310-cache";
+                       reg = <0x3fc000 0x1000>;
+                       interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+                       cache-unified;
+                       cache-level = <2>;
+                       clocks = <&clk NPCM7XX_CLK_AXI>;
+                       arm,shared-override;
+               };
+
+               gic: interrupt-controller@3ff000 {
+                       compatible = "arm,cortex-a9-gic";
+                       interrupt-controller;
+                       #interrupt-cells = <3>;
+                       reg = <0x3ff000 0x1000>,
+                               <0x3fe100 0x100>;
+               };
+
+               gcr: gcr@800000 {
+                       compatible = "nuvoton,npcm750-gcr", "syscon", 
"simple-mfd";
+                       reg = <0x800000 0x1000>;
+               };
+
+               rst: rst@801000 {
+                       compatible = "nuvoton,npcm750-rst", "syscon", 
"simple-mfd";
+                       reg = <0x801000 0x6C>;
+               };
+       };
+
+       ahb {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "simple-bus";
+               interrupt-parent = <&gic>;
+               ranges;
+
+               rstc: rstc@f0801000 {
+                       compatible = "nuvoton,npcm750-reset";
+                       reg = <0xf0801000 0x70>;
+                       #reset-cells = <2>;
+               };
+
+               clk: clock-controller@f0801000 {
+                       compatible = "nuvoton,npcm750-clk", "syscon";
+                       #clock-cells = <1>;
+                       clock-controller;
+                       reg = <0xf0801000 0x1000>;
+                       clock-names = "refclk", "sysbypck", "mcbypck";
+                       clocks = <&clk_refclk>, <&clk_sysbypck>, <&clk_mcbypck>;
+               };
+
+               gmac0: eth@f0802000 {
+                       device_type = "network";
+                       compatible = "nuvoton,npcm-dwmac";
+                       reg = <0xf0802000 0x2000>;
+                       interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "macirq";
+                       ethernet = <0>;
+                       clocks  = <&clk_rg1refck>, <&clk NPCM7XX_CLK_AHB>;
+                       clock-names = "stmmaceth", "clk_gmac";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&rg1_pins
+                                       &rg1mdio_pins>;
+                       status = "disabled";
+               };
+
+               ehci1: usb@f0806000 {
+                       compatible = "nuvoton,npcm750-ehci";
+                       reg = <0xf0806000 0x1000>;
+                       interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+               };
+
+               fiu0: spi@fb000000 {
+                       compatible = "nuvoton,npcm750-fiu";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0xfb000000 0x1000>;
+                       reg-names = "control", "memory";
+                       clocks = <&clk NPCM7XX_CLK_SPI0>;
+                       clock-names = "clk_spi0";
+                       status = "disabled";
+               };
+
+               fiu3: spi@c0000000 {
+                       compatible = "nuvoton,npcm750-fiu";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0xc0000000 0x1000>;
+                       reg-names = "control", "memory";
+                       clocks = <&clk NPCM7XX_CLK_SPI3>;
+                       clock-names = "clk_spi3";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&spi3_pins>;
+                       status = "disabled";
+               };
+
+               fiux: spi@fb001000 {
+                       compatible = "nuvoton,npcm750-fiu";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0xfb001000 0x1000>;
+                       reg-names = "control", "memory";
+                       clocks = <&clk NPCM7XX_CLK_SPIX>;
+                       clock-names = "clk_spix";
+                       status = "disabled";
+               };
+
+               apb {
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       compatible = "simple-bus";
+                       interrupt-parent = <&gic>;
+                       ranges = <0x0 0xf0000000 0x00300000>;
+
+                       lpc_kcs: lpc_kcs@7000 {
+                               compatible = "nuvoton,npcm750-lpc-kcs", 
"simple-mfd", "syscon";
+                               reg = <0x7000 0x40>;
+                               reg-io-width = <1>;
+
+                               #address-cells = <1>;
+                               #size-cells = <1>;
+                               ranges = <0x0 0x7000 0x40>;
+
+                               kcs1: kcs1@0 {
+                                       compatible = "nuvoton,npcm750-kcs-bmc";
+                                       reg = <0x0 0x40>;
+                                       interrupts = <GIC_SPI 9 
IRQ_TYPE_LEVEL_HIGH>;
+                                       kcs_chan = <1>;
+                                       status = "disabled";
+                               };
+
+                               kcs2: kcs2@0 {
+                                       compatible = "nuvoton,npcm750-kcs-bmc";
+                                       reg = <0x0 0x40>;
+                                       interrupts = <GIC_SPI 9 
IRQ_TYPE_LEVEL_HIGH>;
+                                       kcs_chan = <2>;
+                                       status = "disabled";
+                               };
+
+                               kcs3: kcs3@0 {
+                                       compatible = "nuvoton,npcm750-kcs-bmc";
+                                       reg = <0x0 0x40>;
+                                       interrupts = <GIC_SPI 9 
IRQ_TYPE_LEVEL_HIGH>;
+                                       kcs_chan = <3>;
+                                       status = "disabled";
+                               };
+                       };
+
+                       spi0: spi@200000 {
+                               compatible = "nuvoton,npcm750-pspi";
+                               reg = <0x200000 0x1000>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pspi1_pins>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+                               clocks = <&clk NPCM7XX_CLK_APB5>;
+                               clock-names = "clk_apb5";
+                               resets = <&rstc NPCM7XX_RESET_IPSRST2 
NPCM7XX_RESET_PSPI1>;
+                               status = "disabled";
+                       };
+
+                       spi1: spi@201000 {
+                               compatible = "nuvoton,npcm750-pspi";
+                               reg = <0x201000 0x1000>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pspi2_pins>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
+                               clocks = <&clk NPCM7XX_CLK_APB5>;
+                               clock-names = "clk_apb5";
+                               resets = <&rstc NPCM7XX_RESET_IPSRST2 
NPCM7XX_RESET_PSPI2>;
+                               status = "disabled";
+                       };
+
+                       timer0: timer@8000 {
+                               compatible = "nuvoton,npcm750-timer";
+                               interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+                               reg = <0x8000 0x1C>;
+                               clocks = <&clk NPCM7XX_CLK_TIMER>;
+                       };
+
+                       watchdog0: watchdog@801C {
+                               compatible = "nuvoton,npcm750-wdt";
+                               interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+                               reg = <0x801C 0x4>;
+                               status = "disabled";
+                               clocks = <&clk NPCM7XX_CLK_TIMER>;
+                       };
+
+                       watchdog1: watchdog@901C {
+                               compatible = "nuvoton,npcm750-wdt";
+                               interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+                               reg = <0x901C 0x4>;
+                               status = "disabled";
+                               clocks = <&clk NPCM7XX_CLK_TIMER>;
+                       };
+
+                       watchdog2: watchdog@a01C {
+                               compatible = "nuvoton,npcm750-wdt";
+                               interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+                               reg = <0xa01C 0x4>;
+                               status = "disabled";
+                               clocks = <&clk NPCM7XX_CLK_TIMER>;
+                       };
+
+                       serial0: serial@1000 {
+                               compatible = "nuvoton,npcm750-uart";
+                               reg = <0x1000 0x1000>;
+                               clocks = <&clk NPCM7XX_CLK_UART>;
+                               interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+                               reg-shift = <2>;
+                               status = "disabled";
+                       };
+
+                       serial1: serial@2000 {
+                               compatible = "nuvoton,npcm750-uart";
+                               reg = <0x2000 0x1000>;
+                               clocks = <&clk NPCM7XX_CLK_UART>;
+                               interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+                               reg-shift = <2>;
+                               status = "disabled";
+                       };
+
+                       serial2: serial@3000 {
+                               compatible = "nuvoton,npcm750-uart";
+                               reg = <0x3000 0x1000>;
+                               clocks = <&clk NPCM7XX_CLK_UART>;
+                               interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+                               reg-shift = <2>;
+                               status = "disabled";
+                       };
+
+                       serial3: serial@4000 {
+                               compatible = "nuvoton,npcm750-uart";
+                               reg = <0x4000 0x1000>;
+                               clocks = <&clk NPCM7XX_CLK_UART>;
+                               interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+                               reg-shift = <2>;
+                               status = "disabled";
+                       };
+
+                       rng: rng@b000 {
+                               compatible = "nuvoton,npcm750-rng";
+                               reg = <0xb000 0x8>;
+                               status = "disabled";
+                       };
+
+                       adc: adc@c000 {
+                               compatible = "nuvoton,npcm750-adc";
+                               reg = <0xc000 0x8>;
+                               interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+                               clocks = <&clk NPCM7XX_CLK_ADC>;
+                               resets = <&rstc NPCM7XX_RESET_IPSRST1 
NPCM7XX_RESET_ADC>;
+                               status = "disabled";
+                       };
+
+                       pwm_fan: pwm-fan-controller@103000 {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               compatible = "nuvoton,npcm750-pwm-fan";
+                               reg = <0x103000 0x2000>, <0x180000 0x8000>;
+                               reg-names = "pwm", "fan";
+                               clocks = <&clk NPCM7XX_CLK_APB3>,
+                                       <&clk NPCM7XX_CLK_APB4>;
+                               clock-names = "pwm","fan";
+                               interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+                                               <GIC_SPI 97 
IRQ_TYPE_LEVEL_HIGH>,
+                                               <GIC_SPI 98 
IRQ_TYPE_LEVEL_HIGH>,
+                                               <GIC_SPI 99 
IRQ_TYPE_LEVEL_HIGH>,
+                                               <GIC_SPI 100 
IRQ_TYPE_LEVEL_HIGH>,
+                                               <GIC_SPI 101 
IRQ_TYPE_LEVEL_HIGH>,
+                                               <GIC_SPI 102 
IRQ_TYPE_LEVEL_HIGH>,
+                                               <GIC_SPI 103 
IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pwm0_pins &pwm1_pins
+                                               &pwm2_pins &pwm3_pins
+                                               &pwm4_pins &pwm5_pins
+                                               &pwm6_pins &pwm7_pins
+                                               &fanin0_pins &fanin1_pins
+                                               &fanin2_pins &fanin3_pins
+                                               &fanin4_pins &fanin5_pins
+                                               &fanin6_pins &fanin7_pins
+                                               &fanin8_pins &fanin9_pins
+                                               &fanin10_pins &fanin11_pins
+                                               &fanin12_pins &fanin13_pins
+                                               &fanin14_pins &fanin15_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c0: i2c@80000 {
+                               reg = <0x80000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb0_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c1: i2c@81000 {
+                               reg = <0x81000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb1_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c2: i2c@82000 {
+                               reg = <0x82000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb2_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c3: i2c@83000 {
+                               reg = <0x83000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb3_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c4: i2c@84000 {
+                               reg = <0x84000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb4_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c5: i2c@85000 {
+                               reg = <0x85000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb5_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c6: i2c@86000 {
+                               reg = <0x86000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb6_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c7: i2c@87000 {
+                               reg = <0x87000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb7_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c8: i2c@88000 {
+                               reg = <0x88000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb8_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c9: i2c@89000 {
+                               reg = <0x89000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb9_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c10: i2c@8a000 {
+                               reg = <0x8a000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb10_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c11: i2c@8b000 {
+                               reg = <0x8b000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb11_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c12: i2c@8c000 {
+                               reg = <0x8c000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb12_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c13: i2c@8d000 {
+                               reg = <0x8d000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb13_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c14: i2c@8e000 {
+                               reg = <0x8e000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb14_pins>;
+                               status = "disabled";
+                       };
+
+                       i2c15: i2c@8f000 {
+                               reg = <0x8f000 0x1000>;
+                               compatible = "nuvoton,npcm750-i2c";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               clocks = <&clk NPCM7XX_CLK_APB2>;
+                               interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&smb15_pins>;
+                               status = "disabled";
+                       };
+               };
+       };
+
+       pinctrl: pinctrl@f0800000 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "nuvoton,npcm750-pinctrl", "syscon", "simple-mfd";
+               ranges = <0 0xf0010000 0x8000>;
+               gpio0: gpio@f0010000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x0 0x80>;
+                       interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 0 32>;
+               };
+               gpio1: gpio@f0011000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x1000 0x80>;
+                       interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 32 32>;
+               };
+               gpio2: gpio@f0012000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x2000 0x80>;
+                       interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 64 32>;
+               };
+               gpio3: gpio@f0013000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x3000 0x80>;
+                       interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 96 32>;
+               };
+               gpio4: gpio@f0014000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x4000 0x80>;
+                       interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 128 32>;
+               };
+               gpio5: gpio@f0015000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x5000 0x80>;
+                       interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 160 32>;
+               };
+               gpio6: gpio@f0016000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x6000 0x80>;
+                       interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 192 32>;
+               };
+               gpio7: gpio@f0017000 {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       reg = <0x7000 0x80>;
+                       interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+                       gpio-ranges = <&pinctrl 0 224 32>;
+               };
+
+               iox1_pins: iox1-pins {
+                       groups = "iox1";
+                       function = "iox1";
+               };
+               iox2_pins: iox2-pins {
+                       groups = "iox2";
+                       function = "iox2";
+               };
+               smb1d_pins: smb1d-pins {
+                       groups = "smb1d";
+                       function = "smb1d";
+               };
+               smb2d_pins: smb2d-pins {
+                       groups = "smb2d";
+                       function = "smb2d";
+               };
+               lkgpo1_pins: lkgpo1-pins {
+                       groups = "lkgpo1";
+                       function = "lkgpo1";
+               };
+               lkgpo2_pins: lkgpo2-pins {
+                       groups = "lkgpo2";
+                       function = "lkgpo2";
+               };
+               ioxh_pins: ioxh-pins {
+                       groups = "ioxh";
+                       function = "ioxh";
+               };
+               gspi_pins: gspi-pins {
+                       groups = "gspi";
+                       function = "gspi";
+               };
+               smb5b_pins: smb5b-pins {
+                       groups = "smb5b";
+                       function = "smb5b";
+               };
+               smb5c_pins: smb5c-pins {
+                       groups = "smb5c";
+                       function = "smb5c";
+               };
+               lkgpo0_pins: lkgpo0-pins {
+                       groups = "lkgpo0";
+                       function = "lkgpo0";
+               };
+               pspi2_pins: pspi2-pins {
+                       groups = "pspi2";
+                       function = "pspi2";
+               };
+               smb4den_pins: smb4den-pins {
+                       groups = "smb4den";
+                       function = "smb4den";
+               };
+               smb4b_pins: smb4b-pins {
+                       groups = "smb4b";
+                       function = "smb4b";
+               };
+               smb4c_pins: smb4c-pins {
+                       groups = "smb4c";
+                       function = "smb4c";
+               };
+               smb15_pins: smb15-pins {
+                       groups = "smb15";
+                       function = "smb15";
+               };
+               smb4d_pins: smb4d-pins {
+                       groups = "smb4d";
+                       function = "smb4d";
+               };
+               smb14_pins: smb14-pins {
+                       groups = "smb14";
+                       function = "smb14";
+               };
+               smb5_pins: smb5-pins {
+                       groups = "smb5";
+                       function = "smb5";
+               };
+               smb4_pins: smb4-pins {
+                       groups = "smb4";
+                       function = "smb4";
+               };
+               smb3_pins: smb3-pins {
+                       groups = "smb3";
+                       function = "smb3";
+               };
+               spi0cs1_pins: spi0cs1-pins {
+                       groups = "spi0cs1";
+                       function = "spi0cs1";
+               };
+               spi0cs2_pins: spi0cs2-pins {
+                       groups = "spi0cs2";
+                       function = "spi0cs2";
+               };
+               spi0cs3_pins: spi0cs3-pins {
+                       groups = "spi0cs3";
+                       function = "spi0cs3";
+               };
+               smb3c_pins: smb3c-pins {
+                       groups = "smb3c";
+                       function = "smb3c";
+               };
+               smb3b_pins: smb3b-pins {
+                       groups = "smb3b";
+                       function = "smb3b";
+               };
+               bmcuart0a_pins: bmcuart0a-pins {
+                       groups = "bmcuart0a";
+                       function = "bmcuart0a";
+               };
+               uart1_pins: uart1-pins {
+                       groups = "uart1";
+                       function = "uart1";
+               };
+               jtag2_pins: jtag2-pins {
+                       groups = "jtag2";
+                       function = "jtag2";
+               };
+               bmcuart1_pins: bmcuart1-pins {
+                       groups = "bmcuart1";
+                       function = "bmcuart1";
+               };
+               uart2_pins: uart2-pins {
+                       groups = "uart2";
+                       function = "uart2";
+               };
+               bmcuart0b_pins: bmcuart0b-pins {
+                       groups = "bmcuart0b";
+                       function = "bmcuart0b";
+               };
+               r1err_pins: r1err-pins {
+                       groups = "r1err";
+                       function = "r1err";
+               };
+               r1md_pins: r1md-pins {
+                       groups = "r1md";
+                       function = "r1md";
+               };
+               smb3d_pins: smb3d-pins {
+                       groups = "smb3d";
+                       function = "smb3d";
+               };
+               fanin0_pins: fanin0-pins {
+                       groups = "fanin0";
+                       function = "fanin0";
+               };
+               fanin1_pins: fanin1-pins {
+                       groups = "fanin1";
+                       function = "fanin1";
+               };
+               fanin2_pins: fanin2-pins {
+                       groups = "fanin2";
+                       function = "fanin2";
+               };
+               fanin3_pins: fanin3-pins {
+                       groups = "fanin3";
+                       function = "fanin3";
+               };
+               fanin4_pins: fanin4-pins {
+                       groups = "fanin4";
+                       function = "fanin4";
+               };
+               fanin5_pins: fanin5-pins {
+                       groups = "fanin5";
+                       function = "fanin5";
+               };
+               fanin6_pins: fanin6-pins {
+                       groups = "fanin6";
+                       function = "fanin6";
+               };
+               fanin7_pins: fanin7-pins {
+                       groups = "fanin7";
+                       function = "fanin7";
+               };
+               fanin8_pins: fanin8-pins {
+                       groups = "fanin8";
+                       function = "fanin8";
+               };
+               fanin9_pins: fanin9-pins {
+                       groups = "fanin9";
+                       function = "fanin9";
+               };
+               fanin10_pins: fanin10-pins {
+                       groups = "fanin10";
+                       function = "fanin10";
+               };
+               fanin11_pins: fanin11-pins {
+                       groups = "fanin11";
+                       function = "fanin11";
+               };
+               fanin12_pins: fanin12-pins {
+                       groups = "fanin12";
+                       function = "fanin12";
+               };
+               fanin13_pins: fanin13-pins {
+                       groups = "fanin13";
+                       function = "fanin13";
+               };
+               fanin14_pins: fanin14-pins {
+                       groups = "fanin14";
+                       function = "fanin14";
+               };
+               fanin15_pins: fanin15-pins {
+                       groups = "fanin15";
+                       function = "fanin15";
+               };
+               pwm0_pins: pwm0-pins {
+                       groups = "pwm0";
+                       function = "pwm0";
+               };
+               pwm1_pins: pwm1-pins {
+                       groups = "pwm1";
+                       function = "pwm1";
+               };
+               pwm2_pins: pwm2-pins {
+                       groups = "pwm2";
+                       function = "pwm2";
+               };
+               pwm3_pins: pwm3-pins {
+                       groups = "pwm3";
+                       function = "pwm3";
+               };
+               r2_pins: r2-pins {
+                       groups = "r2";
+                       function = "r2";
+               };
+               r2err_pins: r2err-pins {
+                       groups = "r2err";
+                       function = "r2err";
+               };
+               r2md_pins: r2md-pins {
+                       groups = "r2md";
+                       function = "r2md";
+               };
+               ga20kbc_pins: ga20kbc-pins {
+                       groups = "ga20kbc";
+                       function = "ga20kbc";
+               };
+               smb5d_pins: smb5d-pins {
+                       groups = "smb5d";
+                       function = "smb5d";
+               };
+               lpc_pins: lpc-pins {
+                       groups = "lpc";
+                       function = "lpc";
+               };
+               espi_pins: espi-pins {
+                       groups = "espi";
+                       function = "espi";
+               };
+               rg1_pins: rg1-pins {
+                       groups = "rg1";
+                       function = "rg1";
+               };
+               rg1mdio_pins: rg1mdio-pins {
+                       groups = "rg1mdio";
+                       function = "rg1mdio";
+               };
+               rg2_pins: rg2-pins {
+                       groups = "rg2";
+                       function = "rg2";
+               };
+               ddr_pins: ddr-pins {
+                       groups = "ddr";
+                       function = "ddr";
+               };
+               smb0_pins: smb0-pins {
+                       groups = "smb0";
+                       function = "smb0";
+               };
+               smb1_pins: smb1-pins {
+                       groups = "smb1";
+                       function = "smb1";
+               };
+               smb2_pins: smb2-pins {
+                       groups = "smb2";
+                       function = "smb2";
+               };
+               smb2c_pins: smb2c-pins {
+                       groups = "smb2c";
+                       function = "smb2c";
+               };
+               smb2b_pins: smb2b-pins {
+                       groups = "smb2b";
+                       function = "smb2b";
+               };
+               smb1c_pins: smb1c-pins {
+                       groups = "smb1c";
+                       function = "smb1c";
+               };
+               smb1b_pins: smb1b-pins {
+                       groups = "smb1b";
+                       function = "smb1b";
+               };
+               smb8_pins: smb8-pins {
+                       groups = "smb8";
+                       function = "smb8";
+               };
+               smb9_pins: smb9-pins {
+                       groups = "smb9";
+                       function = "smb9";
+               };
+               smb10_pins: smb10-pins {
+                       groups = "smb10";
+                       function = "smb10";
+               };
+               smb11_pins: smb11-pins {
+                       groups = "smb11";
+                       function = "smb11";
+               };
+               sd1_pins: sd1-pins {
+                       groups = "sd1";
+                       function = "sd1";
+               };
+               sd1pwr_pins: sd1pwr-pins {
+                       groups = "sd1pwr";
+                       function = "sd1pwr";
+               };
+               pwm4_pins: pwm4-pins {
+                       groups = "pwm4";
+                       function = "pwm4";
+               };
+               pwm5_pins: pwm5-pins {
+                       groups = "pwm5";
+                       function = "pwm5";
+               };
+               pwm6_pins: pwm6-pins {
+                       groups = "pwm6";
+                       function = "pwm6";
+               };
+               pwm7_pins: pwm7-pins {
+                       groups = "pwm7";
+                       function = "pwm7";
+               };
+               mmc8_pins: mmc8-pins {
+                       groups = "mmc8";
+                       function = "mmc8";
+               };
+               mmc_pins: mmc-pins {
+                       groups = "mmc";
+                       function = "mmc";
+               };
+               mmcwp_pins: mmcwp-pins {
+                       groups = "mmcwp";
+                       function = "mmcwp";
+               };
+               mmccd_pins: mmccd-pins {
+                       groups = "mmccd";
+                       function = "mmccd";
+               };
+               mmcrst_pins: mmcrst-pins {
+                       groups = "mmcrst";
+                       function = "mmcrst";
+               };
+               clkout_pins: clkout-pins {
+                       groups = "clkout";
+                       function = "clkout";
+               };
+               serirq_pins: serirq-pins {
+                       groups = "serirq";
+                       function = "serirq";
+               };
+               lpcclk_pins: lpcclk-pins {
+                       groups = "lpcclk";
+                       function = "lpcclk";
+               };
+               scipme_pins: scipme-pins {
+                       groups = "scipme";
+                       function = "scipme";
+               };
+               sci_pins: sci-pins {
+                       groups = "sci";
+                       function = "sci";
+               };
+               smb6_pins: smb6-pins {
+                       groups = "smb6";
+                       function = "smb6";
+               };
+               smb7_pins: smb7-pins {
+                       groups = "smb7";
+                       function = "smb7";
+               };
+               pspi1_pins: pspi1-pins {
+                       groups = "pspi1";
+                       function = "pspi1";
+               };
+               faninx_pins: faninx-pins {
+                       groups = "faninx";
+                       function = "faninx";
+               };
+               r1_pins: r1-pins {
+                       groups = "r1";
+                       function = "r1";
+               };
+               spi3_pins: spi3-pins {
+                       groups = "spi3";
+                       function = "spi3";
+               };
+               spi3cs1_pins: spi3cs1-pins {
+                       groups = "spi3cs1";
+                       function = "spi3cs1";
+               };
+               spi3quad_pins: spi3quad-pins {
+                       groups = "spi3quad";
+                       function = "spi3quad";
+               };
+               spi3cs2_pins: spi3cs2-pins {
+                       groups = "spi3cs2";
+                       function = "spi3cs2";
+               };
+               spi3cs3_pins: spi3cs3-pins {
+                       groups = "spi3cs3";
+                       function = "spi3cs3";
+               };
+               nprd_smi_pins: nprd-smi-pins {
+                       groups = "nprd_smi";
+                       function = "nprd_smi";
+               };
+               smb0b_pins: smb0b-pins {
+                       groups = "smb0b";
+                       function = "smb0b";
+               };
+               smb0c_pins: smb0c-pins {
+                       groups = "smb0c";
+                       function = "smb0c";
+               };
+               smb0den_pins: smb0den-pins {
+                       groups = "smb0den";
+                       function = "smb0den";
+               };
+               smb0d_pins: smb0d-pins {
+                       groups = "smb0d";
+                       function = "smb0d";
+               };
+               ddc_pins: ddc-pins {
+                       groups = "ddc";
+                       function = "ddc";
+               };
+               rg2mdio_pins: rg2mdio-pins {
+                       groups = "rg2mdio";
+                       function = "rg2mdio";
+               };
+               wdog1_pins: wdog1-pins {
+                       groups = "wdog1";
+                       function = "wdog1";
+               };
+               wdog2_pins: wdog2-pins {
+                       groups = "wdog2";
+                       function = "wdog2";
+               };
+               smb12_pins: smb12-pins {
+                       groups = "smb12";
+                       function = "smb12";
+               };
+               smb13_pins: smb13-pins {
+                       groups = "smb13";
+                       function = "smb13";
+               };
+               spix_pins: spix-pins {
+                       groups = "spix";
+                       function = "spix";
+               };
+               spixcs1_pins: spixcs1-pins {
+                       groups = "spixcs1";
+                       function = "spixcs1";
+               };
+               clkreq_pins: clkreq-pins {
+                       groups = "clkreq";
+                       function = "clkreq";
+               };
+               hgpio0_pins: hgpio0-pins {
+                       groups = "hgpio0";
+                       function = "hgpio0";
+               };
+               hgpio1_pins: hgpio1-pins {
+                       groups = "hgpio1";
+                       function = "hgpio1";
+               };
+               hgpio2_pins: hgpio2-pins {
+                       groups = "hgpio2";
+                       function = "hgpio2";
+               };
+               hgpio3_pins: hgpio3-pins {
+                       groups = "hgpio3";
+                       function = "hgpio3";
+               };
+               hgpio4_pins: hgpio4-pins {
+                       groups = "hgpio4";
+                       function = "hgpio4";
+               };
+               hgpio5_pins: hgpio5-pins {
+                       groups = "hgpio5";
+                       function = "hgpio5";
+               };
+               hgpio6_pins: hgpio6-pins {
+                       groups = "hgpio6";
+                       function = "hgpio6";
+               };
+               hgpio7_pins: hgpio7-pins {
+                       groups = "hgpio7";
+                       function = "hgpio7";
+               };
+       };
+};
diff --git a/arch/arm/dts/nuvoton-npcm750-buv-pincfg.dtsi 
b/arch/arm/dts/nuvoton-npcm750-buv-pincfg.dtsi
new file mode 100644
index 0000000000..6c0b61aabc
--- /dev/null
+++ b/arch/arm/dts/nuvoton-npcm750-buv-pincfg.dtsi
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2021 Nuvoton Technology [email protected]
+
+/ {
+       pinctrl: pinctrl@f0800000 {
+               gpio138o_pins: gpio138o-pins {
+                       pins = "GPIO138/SD1DT2";
+                       output-high;
+               };
+               gpio139o_pins: gpio139o-pins {
+                       pins = "GPIO139/SD1DT3";
+                       output-high;
+               };
+               gpio89o_pins: gpio89o-pins {
+                       pins = "GPIO89/R2CRSDV";
+                       output-high;
+               };
+               gpio143o_pins: gpio143o-pins {
+                       pins = "GPIO143/SD1CD/SD1PWR";
+                       output-high;
+               };
+               gpio9o_pins: gpio9o-pins {
+                       pins = "GPIO9/LKGPO2";
+                       output-high;
+               };
+               gpio231o_pins: gpio231o-pins {
+                       pins = "GPIO231/nCLKREQ";
+                       output-high;
+               };
+               gpio140o_pins: gpio140o-pins {
+                       pins = "GPIO140/SD1CLK";
+                       output-high;
+               };
+               gpio142o_pins: gpio142o-pins {
+                       pins = "GPIO142/SD1CMD";
+                       output-high;
+               };
+               gpio90o_pins: gpio90o0-pins {
+                       pins = "GPIO90/R2RXERR";
+                       output-high;
+               };
+               gpio88o_pins: gpio88o-pins {
+                       pins = "GPIO88/R2RXD1";
+                       output-high;
+               };
+               gpio141o_pins: gpio141o-pins {
+                       pins = "GPIO141/SD1WP";
+                       output-high;
+               };
+               gpio87o_pins: gpio87o-pins {
+                       pins = "GPIO87/R2RXD0";
+                       output-high;
+               };
+               gpio11o_pins: gpio11o-pins {
+                       pins = "GPIO11/IOXHCK";
+                       output-high;
+               };
+               gpio24o_pins: gpio24o-pins {
+                       pins = "GPIO24/IOXHDO";
+                       output-high;
+               };
+               gpio137o_pins: gpio137o-pins {
+                       pins = "GPIO137/SD1DT1";
+                       output-high;
+               };
+               gpio25o_pins: gpio25o-pins {
+                       pins = "GPIO25/IOXHDI";
+                       output-high;
+               };
+               gpio17_pins: gpio17-pins {
+                       pins = "GPIO17/PSPI2DI/SMB4DEN";
+                       bias-disable;
+                       input-enable;
+               };
+               gpio18o_pins: gpio18o-pins {
+                       pins = "GPIO18/PSPI2D0/SMB4BSDA";
+                       bias-disable;
+                       output-high;
+               };
+               gpio19ol_pins: gpio19ol-pins {
+                       pins = "GPIO19/PSPI2CK/SMB4BSCL";
+                       bias-disable;
+                       output-low;
+               };
+               gpio84_pins: gpio84-pins {
+                       pins = "GPIO84/R2TXD0";
+                       bias-disable;
+                       input-enable;
+               };
+               gpio85_pins: gpio85-pins {
+                       pins = "GPIO85/R2TXD1";
+                       bias-disable;
+                       input-enable;
+               };
+               gpio122_pins: gpio122-pins {
+                       pins = "GPIO122/SMB2BSDA";
+                       bias-disable;
+                       input-enable;
+               };
+               gpio124_pins: gpio124-pins {
+                       pins = "GPIO124/SMB1CSDA";
+                       bias-disable;
+                       input-enable;
+               };
+               gpio125_pins: gpio125-pins {
+                       pins = "GPIO125/SMB1CSCL";
+                       bias-disable;
+                       input-enable;
+               };
+               gpio126_pins: gpio126-pins {
+                       pins = "GPIO126/SMB1BSDA";
+                       bias-disable;
+                       input-enable;
+               };
+               gpio4_pins: gpio4-pins {
+                       pins = "GPIO4/IOX2DI/SMB1DSDA";
+                       slew-rate = <1>;
+               };
+               gpio5_pins: gpio5-pins {
+                       pins = "GPIO5/IOX2LD/SMB1DSCL";
+                       slew-rate = <1>;
+               };
+               gpio6_pins: gpio6-pins {
+                       pins = "GPIO6/IOX2CK/SMB2DSDA";
+                       slew-rate = <1>;
+               };
+               gpio7_pins: gpio7o-pins {
+                       pins = "GPIO7/IOX2D0/SMB2DSCL";
+                       slew-rate = <1>;
+               };
+       };
+};
diff --git a/arch/arm/dts/nuvoton-npcm750-buv.dts 
b/arch/arm/dts/nuvoton-npcm750-buv.dts
new file mode 100644
index 0000000000..19344ac9a7
--- /dev/null
+++ b/arch/arm/dts/nuvoton-npcm750-buv.dts
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "nuvoton-npcm750.dtsi"
+#include "nuvoton-npcm750-buv-pincfg.dtsi"
+
+/ {
+       model = "Nuvoton npcm750 Development Board";
+       compatible = "npcm750,runbmc";
+
+       chosen {
+               stdout-path = &serial0;
+               tick-timer = &timer0;
+       };
+
+       aliases {
+               serial0 = &serial0;
+               serial1 = &serial1;
+               serial2 = &serial2;
+               serial3 = &serial3;
+               i2c0 = &i2c0;
+               i2c1 = &i2c1;
+               i2c2 = &i2c2;
+               i2c3 = &i2c3;
+               i2c4 = &i2c4;
+               i2c5 = &i2c5;
+               i2c6 = &i2c6;
+               i2c7 = &i2c7;
+               i2c8 = &i2c8;
+               i2c9 = &i2c9;
+               i2c10 = &i2c10;
+               i2c11 = &i2c11;
+               i2c12 = &i2c12;
+               i2c13 = &i2c13;
+               i2c14 = &i2c14;
+               i2c15 = &i2c15;
+               spi0 = &fiu0;
+               spi1 = &fiu3;
+               spi2 = &fiux;
+               spi3 = &spi0;
+               spi4 = &spi1;
+               mmc0 = &sdhci0;
+               gpio0 = &gpio0;
+               gpio1 = &gpio1;
+               gpio2 = &gpio2;
+               gpio3 = &gpio3;
+               gpio4 = &gpio4;
+               gpio5 = &gpio5;
+               gpio6 = &gpio6;
+               gpio7 = &gpio7;
+               usb0 = &udc0;
+               eth0 = &emc0;
+               eth1 = &gmac0;
+       };
+};
+
+&udc0 {
+       status = "okay";
+       phys = <&usbphy1 0>;
+};
+
+&serial0 {
+       status = "okay";
+       clock-frequency = <24000000>;
+};
+
+&sha {
+       status = "okay";
+};
+
+&aes {
+       status = "okay";
+};
+
+&rng {
+       status = "okay";
+};
+
+&fiu0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&spi0cs1_pins>;
+       status = "okay";
+       spi_flash@0 {
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+       };
+       spi_flash@1 {
+               compatible = "jedec,spi-nor";
+               reg = <1>;
+       };
+};
+
+&fiu3 {
+       pinctrl-0 = <&spi3_pins>;
+       status = "okay";
+       spi-nor@0 {
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+       };
+};
+
+&i2c0 {
+       status = "okay";
+};
+
+&i2c1 {
+       status = "okay";
+};
+
+&i2c2 {
+       status = "okay";
+};
+
+&i2c3 {
+       status = "okay";
+};
+
+&i2c4 {
+       status = "okay";
+};
+
+&i2c5 {
+       status = "okay";
+};
+
+&i2c6 {
+       status = "okay";
+};
+
+&i2c7 {
+       status = "okay";
+};
+
+&i2c8 {
+       status = "okay";
+};
+
+&i2c9 {
+       status = "okay";
+};
+
+&i2c10 {
+       status = "okay";
+};
+
+&i2c11 {
+       status = "okay";
+};
+
+&i2c12 {
+       status = "okay";
+};
+
+&i2c13 {
+       status = "okay";
+};
+
+&ehci1 {
+       status = "okay";
+       phys = <&usbphy2 3>;
+};
+
+&otp {
+       status = "okay";
+};
+
+&usbphy1 {
+       status = "okay";
+};
+
+&usbphy2 {
+       status = "okay";
+};
+
+&gmac0 {
+       phy-mode = "rgmii-id";
+       snps,eee-force-disable;
+       status = "okay";
+};
+
+&emc0 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&r1_pins
+                       &r1err_pins>;
+       fixed-link {
+                       speed = <100>;
+                       full-dulpex;
+       };
+};
+
+&sdhci0 {
+       status = "okay";
+};
+
+&pinctrl {
+       status = "okay";
+};
diff --git a/arch/arm/dts/nuvoton-npcm750.dtsi 
b/arch/arm/dts/nuvoton-npcm750.dtsi
new file mode 100644
index 0000000000..9662fca31a
--- /dev/null
+++ b/arch/arm/dts/nuvoton-npcm750.dtsi
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Nuvoton Technology [email protected]
+// Copyright 2018 Google, Inc.
+
+#include "nuvoton-common-npcm7xx.dtsi"
+#include "nuvoton-npcm7xx-uboot.dtsi"
+
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       interrupt-parent = <&gic>;
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               enable-method = "nuvoton,npcm750-smp";
+
+               cpu@0 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a9";
+                       clocks = <&clk NPCM7XX_CLK_CPU>;
+                       clock-names = "clk_cpu";
+                       reg = <0>;
+                       next-level-cache = <&l2>;
+               };
+
+               cpu@1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a9";
+                       clocks = <&clk NPCM7XX_CLK_CPU>;
+                       clock-names = "clk_cpu";
+                       reg = <1>;
+                       next-level-cache = <&l2>;
+               };
+       };
+
+       soc {
+               timer@3fe600 {
+                       compatible = "arm,cortex-a9-twd-timer";
+                       reg = <0x3fe600 0x20>;
+                       interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
+                                                 IRQ_TYPE_LEVEL_HIGH)>;
+                       clocks = <&clk NPCM7XX_CLK_AHB>;
+               };
+       };
+
+       ahb {
+               gmac1: eth@f0804000 {
+                       device_type = "network";
+                       compatible = "snps,dwmac";
+                       reg = <0xf0804000 0x2000>;
+                       interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "macirq";
+                       ethernet = <1>;
+                       clocks  = <&clk_rg2refck>, <&clk NPCM7XX_CLK_AHB>;
+                       clock-names = "stmmaceth", "clk_gmac";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&rg2_pins
+                                       &rg2mdio_pins>;
+                       status = "disabled";
+               };
+       };
+};
diff --git a/arch/arm/dts/nuvoton-npcm7xx-uboot.dtsi 
b/arch/arm/dts/nuvoton-npcm7xx-uboot.dtsi
new file mode 100644
index 0000000000..d41b9b6199
--- /dev/null
+++ b/arch/arm/dts/nuvoton-npcm7xx-uboot.dtsi
@@ -0,0 +1,263 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       interrupt-parent = <&gic>;
+
+       ahb {
+               udc0:udc@f0830100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0830100 0x200
+                              0xfffd0000 0x800>;
+                       interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+                       resets = <&rstc NPCM7XX_RESET_IPSRST3 
NPCM7XX_RESET_UDC0>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc1:udc@f0831100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0831100 0x200
+                              0xfffd0800 0x800>;
+                       interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc2: udc@f0832100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0832100 0x200
+                              0xfffd1000 0x800>;
+                       interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc3: udc@f0833100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0833100 0x200
+                              0xfffd1800 0x800>;
+                       interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc4: udc@f0834100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0834100 0x200
+                              0xfffd2000 0x800>;
+                       interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc5: udc@f0835100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0835100 0x200
+                              0xfffd2800 0x800>;
+                       interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc6: udc@f0836100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0836100 0x200
+                              0xfffd3000 0x800>;
+                       interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc7: udc@f0837100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0837100 0x200
+                              0xfffd3800 0x800>;
+                       interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc8: udc@f0838100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0838100 0x200
+                              0xfffd4000 0x800>;
+                       interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               udc9: udc@f0839100 {
+                       compatible = "nuvoton,npcm750-udc";
+                       reg = <0xf0839100 0x200
+                              0xfffd4800 0x800>;
+                       interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+                       clocks = <&clk NPCM7XX_CLK_SU>;
+                       clock-names = "clk_usb_bridge";
+               };
+
+               emc0: eth@f0825000 {
+                       device_type = "network";
+                       compatible = "nuvoton,npcm750-emc";
+                       reg = <0xf0825000 0x1000>;
+                       phy-mode = "rmii";
+                       id = <0>;
+                       interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+                                       <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&clk NPCM7XX_CLK_AHB>;
+                       clock-names = "clk_emc";
+                       resets = <&rstc NPCM7XX_RESET_IPSRST1 
NPCM7XX_RESET_EMAC1>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&r1_pins
+                                       &r1md_pins>;
+                       status = "disabled";
+               };
+
+               ohci1: ohci@f0807000 {
+                       compatible = "nuvoton,npcm750-ohci";
+                       reg = <0xf0807000 0x1000>;
+                       interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+                       resets = <&rstc NPCM7XX_RESET_IPSRST2 
NPCM7XX_RESET_USBH1>;
+                       status = "disabled";
+               };
+
+               usbphy {
+                       compatible = "simple-bus", "nuvoton,npcm750-usb-phy";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       syscon = <&gcr>;
+                       usbphy1: usbphy1 {
+                               compatible = "nuvoton,npcm750-usb-phy";
+                               #phy-cells = <1>;
+                               reg = <1>;
+                               resets = <&rstc NPCM7XX_RESET_IPSRST3 
NPCM7XX_RESET_USBPHY1>;
+                               status = "disabled";
+                       };
+                       usbphy2: usbphy2 {
+                               compatible = "nuvoton,npcm750-usb-phy";
+                               #phy-cells = <1>;
+                               reg = <2>;
+                               resets =<&rstc NPCM7XX_RESET_IPSRST3 
NPCM7XX_RESET_USBPHY2>;
+                               status = "disabled";
+                       };
+               };
+
+               sdhci0: sdhci0@f0842000 {
+                       compatible = "nuvoton,npcm750-sdhci-eMMC";
+                       reg = <0xf0842000 0x200>;
+                       index = <0x0>;
+                       bus-width = <0x8>;
+                       interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&clk NPCM7XX_CLK_SDHC>;
+                       clock-frequency = <50000000>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&mmc_pins
+                               &mmc8_pins>;
+                       status = "disabled";
+               };
+
+               sdhci1: sdhci1@f0840000 {
+                       compatible = "nuvoton,npcm750-sdhci-SD";
+                       reg = <0xf0840000 0x2000>;
+                       index = <0x1>;
+                       bus-width = <0x4>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&sd1_pins>;
+                       status = "disabled";
+               };
+
+               aes: aes@f0858000 {
+                       compatible = "nuvoton,npcm750-aes";
+                       reg = <0xf0858000 0x1000>;
+                       clocks = <&clk NPCM7XX_CLK_AHB>;
+                       clock-names = "clk_ahb";
+                       status = "disabled";
+               };
+
+               sha: sha@f085a000 {
+                       compatible = "nuvoton,npcm750-sha";
+                       reg = <0xf085a000 0x1000>;
+                       clocks = <&clk NPCM7XX_CLK_AHB>;
+                       clock-names = "clk_ahb";
+                       status = "disabled";
+               };
+
+               //ehci1
+               usb@f0806000 {
+                       resets = <&rstc NPCM7XX_RESET_IPSRST2 
NPCM7XX_RESET_USBH1>;
+               };
+
+               apb {
+                       otp:otp@189000 {
+                               compatible = "nuvoton,npcm750-otp";
+                               reg = <0x189000 0x1000
+                                          0x18a000 0x1000>;
+                               status = "disabled";
+                               clocks = <&clk NPCM7XX_CLK_APB4>;
+                               clock-names = "clk_apb4";
+                       };
+
+                       rng@b000 {
+                               clocks = <&clk NPCM7XX_CLK_APB1>;
+                       };
+
+                       gfxi: gfxi@e000 {
+                               compatible = "nuvoton,npcm750-gfxi", "syscon",
+                                               "simple-mfd";
+                               reg = <0xe000 0x100>;
+                       };
+
+                       gpio@f0010000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio0";
+                       };
+
+                       gpio@f0011000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio1";
+                       };
+
+                       gpio@f0012000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio2";
+                       };
+
+                       gpio@f0013000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio3";
+                       };
+
+                       gpio@f0014000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio4";
+                       };
+
+                       gpio@f0015000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio5";
+                       };
+
+                       gpio@f0016000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio6";
+                       };
+
+                       gpio@f0017000 {
+                               compatible = "nuvoton,npcm-gpio";
+                               gpio-bank-name = "gpio7";
+                       };
+               };
+       };
+};
+
-- 
2.17.1

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