Add initial support for R-Car M3-N Salvator-x and r8a77965 SoC in
device tree with cpg-mssr, reset and clock nodes.

Add place-holder device nodes for all nodes referred by
"salvator-common.dtsi"

Signed-off-by: Jacopo Mondi <jacopo+rene...@jmondi.org>
---
 arch/arm64/Kconfig.platforms                       |   6 +
 arch/arm64/boot/dts/renesas/Makefile               |   1 +
 .../arm64/boot/dts/renesas/r8a77965-salvator-x.dts |  30 ++
 arch/arm64/boot/dts/renesas/r8a77965.dtsi          | 495 +++++++++++++++++++++
 4 files changed, 532 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a77965-salvator-x.dts
 create mode 100644 arch/arm64/boot/dts/renesas/r8a77965.dtsi

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index fbedbd8..dbb4bd2 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -190,6 +190,12 @@ config ARCH_R8A7796
        help
          This enables support for the Renesas R-Car M3-W SoC.
 
+config ARCH_R8A77965
+       bool "Renesas R-Car M3-N SoC Platform"
+       depends on ARCH_RENESAS
+       help
+         This enables support for the Renesas R-Car M3-N SoC.
+
 config ARCH_R8A77970
        bool "Renesas R-Car V3M SoC Platform"
        depends on ARCH_RENESAS
diff --git a/arch/arm64/boot/dts/renesas/Makefile 
b/arch/arm64/boot/dts/renesas/Makefile
index 2186d01..3680ecd 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -7,5 +7,6 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-h3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
+dtb-$(CONFIG_ARCH_R8A77965) += r8a77965-salvator-x.dtb
 dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb r8a77970-v3msk.dtb
 dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
diff --git a/arch/arm64/boot/dts/renesas/r8a77965-salvator-x.dts 
b/arch/arm64/boot/dts/renesas/r8a77965-salvator-x.dts
new file mode 100644
index 0000000..5cb6e03
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a77965-salvator-x.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.
+/*
+ * Device Tree Source for the Salvator-X board
+ *
+ * Copyright (C) 2018 Jacopo Mondi <jacopo+rene...@jmondi.org>
+ */
+
+/dts-v1/;
+#include "r8a77965.dtsi"
+#include "salvator-x.dtsi"
+
+/ {
+       model = "Renesas Salvator-X board based on r8a77965";
+       compatible = "renesas,salvator-x", "renesas,r8a77965";
+
+       aliases {
+               serial0 = &scif2;
+       };
+
+       chosen {
+               bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
+               stdout-path = "serial0:115200n8";
+       };
+
+       memory@48000000 {
+               device_type = "memory";
+               /* first 128MB is reserved for secure area. */
+               reg = <0x0 0x48000000 0x0 0x78000000>;
+       };
+};
diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi 
b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
new file mode 100644
index 0000000..2d99522
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -0,0 +1,495 @@
+// SPDX-License-Identifier: GPL-2.
+/*
+ * Device Tree Source for the r8a77965 SoC
+ *
+ * Copyright (C) 2018 Jacopo Mondi <jacopo+rene...@jmondi.org>
+ *
+ * Based on r8a7796.dtsi
+ * Copyright (C) 2016 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/clock/r8a77965-cpg-mssr.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/r8a77965-sysc.h>
+
+#define CPG_AUDIO_CLK_I                R8A77965_CLK_S0D4
+
+/ {
+       compatible = "renesas,r8a77965";
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       psci {
+               compatible = "arm,psci-1.0", "arm,psci-0.2";
+               method = "smc";
+       };
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               a57_0: cpu@0 {
+                       compatible = "arm,cortex-a57", "arm,armv8";
+                       reg = <0x0>;
+                       device_type = "cpu";
+                       power-domains = <&sysc R8A77965_PD_CA57_CPU0>;
+                       next-level-cache = <&L2_CA57>;
+                       enable-method = "psci";
+               };
+
+               a57_1: cpu@1 {
+                       compatible = "arm,cortex-a57","arm,armv8";
+                       reg = <0x1>;
+                       device_type = "cpu";
+                       power-domains = <&sysc R8A77965_PD_CA57_CPU1>;
+                       next-level-cache = <&L2_CA57>;
+                       enable-method = "psci";
+               };
+
+               L2_CA57: cache-controller-0 {
+                       compatible = "cache";
+                       reg = <0>;
+                       power-domains = <&sysc R8A77965_PD_CA57_SCU>;
+                       cache-unified;
+                       cache-level = <2>;
+               };
+       };
+
+       extal_clk: extal {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               /* This value must be overridden by the board */
+               clock-frequency = <0>;
+       };
+
+       extalr_clk: extalr {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               /* This value must be overridden by the board */
+               clock-frequency = <0>;
+       };
+
+       /*
+        * The external audio clocks are configured as 0 Hz fixed frequency
+        * clocks by default.
+        * Boards that provide audio clocks should override them.
+        */
+       audio_clk_a: audio_clk_a {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       audio_clk_b: audio_clk_b {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       audio_clk_c: audio_clk_c {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       /* External CAN clock - to be overridden by boards that provide it */
+       can_clk: can {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       /* External SCIF clock - to be overridden by boards that provide it */
+       scif_clk: scif {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       /* External PCIe clock - can be overridden by the board */
+       pcie_bus_clk: pcie_bus {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       /* External USB clocks - can be overridden by the board */
+       usb3s0_clk: usb3s0 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       usb_extal_clk: usb_extal {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       soc {
+               compatible = "simple-bus";
+               interrupt-parent = <&gic>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               gic: interrupt-controller@f1010000 {
+                       compatible = "arm,gic-400";
+                       #interrupt-cells = <3>;
+                       #address-cells = <0>;
+                       interrupt-controller;
+                       reg = <0x0 0xf1010000 0 0x1000>,
+                             <0x0 0xf1020000 0 0x20000>,
+                             <0x0 0xf1040000 0 0x20000>,
+                             <0x0 0xf1060000 0 0x20000>;
+                       interrupts = <GIC_PPI 9
+                                       (GIC_CPU_MASK_SIMPLE(1) | 
IRQ_TYPE_LEVEL_HIGH)>;
+                       clocks = <&cpg CPG_MOD 408>;
+                       clock-names = "clk";
+                       power-domains = <&sysc R8A77965_PD_ALWAYS_ON>;
+                       resets = <&cpg 408>;
+               };
+
+               timer {
+                       compatible = "arm,armv8-timer";
+                       interrupts = <GIC_PPI 13
+                                       (GIC_CPU_MASK_SIMPLE(2) | 
IRQ_TYPE_LEVEL_LOW)>,
+                                    <GIC_PPI 14
+                                       (GIC_CPU_MASK_SIMPLE(2) | 
IRQ_TYPE_LEVEL_LOW)>,
+                                    <GIC_PPI 11
+                                       (GIC_CPU_MASK_SIMPLE(2) | 
IRQ_TYPE_LEVEL_LOW)>,
+                                    <GIC_PPI 10
+                                       (GIC_CPU_MASK_SIMPLE(2) | 
IRQ_TYPE_LEVEL_LOW)>;
+               };
+
+               pfc: pin-controller@e6060000 {
+                       compatible = "renesas,pfc-r8a77965";
+                       reg = <0 0xe6060000 0 0x50c>;
+               };
+
+               pmu_a57 {
+                       compatible = "arm,cortex-a57-pmu";
+                       interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-affinity = <&a57_0>,
+                                            <&a57_1>;
+               };
+
+               cpg: clock-controller@e6150000 {
+                       compatible = "renesas,r8a77965-cpg-mssr";
+                       reg = <0 0xe6150000 0 0x1000>;
+                       clocks = <&extal_clk>, <&extalr_clk>;
+                       clock-names = "extal", "extalr";
+                       #clock-cells = <2>;
+                       #power-domain-cells = <0>;
+                       #reset-cells = <1>;
+               };
+
+               rst: reset-controller@e6160000 {
+                       compatible = "renesas,r8a77965-rst";
+                       reg = <0 0xe6160000 0 0x0200>;
+               };
+
+               prr: chipid@fff00044 {
+                       compatible = "renesas,prr";
+                       reg = <0 0xfff00044 0 4>;
+               };
+
+               sysc: system-controller@e6180000 {
+                       compatible = "renesas,r8a77965-sysc";
+                       reg = <0 0xe6180000 0 0x0400>;
+                       #power-domain-cells = <1>;
+               };
+
+               gpio0: gpio@e6050000 {
+                       /* placeholder */
+               };
+
+               gpio1: gpio@e6051000 {
+                       /* placeholder */
+               };
+
+               gpio2: gpio@e6052000 {
+                       /* placeholder */
+               };
+
+               gpio3: gpio@e6053000 {
+                       /* placeholder */
+               };
+
+               gpio4: gpio@e6054000 {
+                       /* placeholder */
+               };
+
+               gpio5: gpio@e6055000 {
+                       /* placeholder */
+               };
+
+               gpio6: gpio@e6055400 {
+                       /* placeholder */
+               };
+
+               gpio7: gpio@e6055800 {
+                       /* placeholder */
+               };
+
+               intc_ex: interrupt-controller@e61c0000 {
+                       /* placeholder */
+               };
+
+               dmac0: dma-controller@e6700000 {
+                       /* placeholder */
+               };
+
+               dmac1: dma-controller@e7300000 {
+                       /* placeholder */
+               };
+
+               dmac2: dma-controller@e7310000 {
+                       /* placeholder */
+               };
+
+               scif0: serial@e6e60000 {
+                       /* placeholder */
+               };
+
+               scif1: serial@e6e68000 {
+                       /* placeholder */
+               };
+
+               scif2: serial@e6e88000 {
+                       /* placeholder */
+               };
+
+               scif3: serial@e6c50000 {
+                       /* placeholder */
+               };
+
+               scif4: serial@e6c40000 {
+                       /* placeholder */
+               };
+
+               scif5: serial@e6f30000 {
+                       /* placeholder */
+               };
+
+               avb: ethernet@e6800000 {
+                       /* placeholder */
+               };
+
+               csi20: csi2@fea80000 {
+                       /* placeholder */
+               };
+
+               csi40: csi2@feaa0000 {
+                       /* placeholder */
+               };
+
+               vin0: video@e6ef0000 {
+                       /* placeholder */
+               };
+
+               vin1: video@e6ef1000 {
+                       /* placeholder */
+               };
+
+               vin2: video@e6ef2000 {
+                       /* placeholder */
+               };
+
+               vin3: video@e6ef3000 {
+                       /* placeholder */
+               };
+
+               vin4: video@e6ef4000 {
+                       /* placeholder */
+               };
+
+               vin5: video@e6ef5000 {
+                       /* placeholder */
+               };
+
+               vin6: video@e6ef6000 {
+                       /* placeholder */
+               };
+
+               vin7: video@e6ef7000 {
+                       /* placeholder */
+               };
+
+               ohci0: usb@ee080000 {
+                       /* placeholder */
+               };
+
+               ehci0: usb@ee080100 {
+                       /* placeholder */
+               };
+
+               usb2_phy0: usb-phy@ee080200 {
+                       /* placeholder */
+               };
+
+               ohci1: usb@ee0a0000 {
+                       /* placeholder */
+               };
+
+               ehci1: usb@ee0a0100 {
+                       /* placeholder */
+               };
+
+               i2c0: i2c@e6500000 {
+                       /* placeholder */
+               };
+
+               i2c1: i2c@e6508000 {
+                       /* placeholder */
+               };
+
+               i2c2: i2c@e6510000 {
+                       /* placeholder */
+               };
+
+               i2c3: i2c@e66d0000 {
+                       /* placeholder */
+               };
+
+               i2c4: i2c@e66d8000 {
+                       /* placeholder */
+               };
+
+               i2c5: i2c@e66e0000 {
+                       /* placeholder */
+               };
+
+               i2c6: i2c@e66e8000 {
+                       /* placeholder */
+               };
+
+               i2c_dvfs: i2c@e60b0000 {
+                       /* placeholder */
+               };
+
+               pwm0: pwm@e6e30000 {
+                       /* placeholder */
+               };
+
+               pwm1: pwm@e6e31000 {
+                       /* placeholder */
+               };
+
+               pwm2: pwm@e6e32000 {
+                       /* placeholder */
+               };
+
+               pwm3: pwm@e6e33000 {
+                       /* placeholder */
+               };
+
+               pwm4: pwm@e6e34000 {
+                       /* placeholder */
+               };
+
+               pwm5: pwm@e6e35000 {
+                       /* placeholder */
+               };
+
+               pwm6: pwm@e6e36000 {
+                       /* placeholder */
+               };
+
+               du: display@feb00000 {
+                       /* placeholder */
+
+                       ports {
+                               port@0 {
+                                       reg = <0>;
+                                       du_out_rgb: endpoint {
+                                       };
+                               };
+                               port@1 {
+                                       reg = <1>;
+                                       du_out_hdmi0: endpoint {
+                                       };
+                               };
+                               port@2 {
+                                       reg = <2>;
+                                       du_out_lvds0: endpoint {
+                                       };
+                               };
+                       };
+               };
+
+               hsusb: usb@e6590000 {
+                       /* placeholder */
+               };
+
+               pciec0: pcie@fe000000 {
+                       /* placeholder */
+               };
+
+               pciec1: pcie@ee800000 {
+                       /* placeholder */
+               };
+
+               rcar_sound: sound@ec500000 {
+                       /* placeholder */
+
+                       rcar_sound,dvc {
+                               dvc0: dvc-0 {
+                               };
+                               dvc1: dvc-1 {
+                               };
+                       };
+
+                       rcar_sound,src {
+                               src0: src-0 {
+                               };
+                               src1: src-1 {
+                               };
+                       };
+
+                       rcar_sound,ssi {
+                               ssi0: ssi-0 {
+                               };
+                               ssi1: ssi-1 {
+                               };
+                       };
+               };
+
+               usb2_phy1: usb-phy@ee0a0200 {
+                       /* placeholder */
+               };
+
+               sdhi0: sd@ee100000 {
+                       /* placeholder */
+               };
+
+               sdhi1: sd@ee120000 {
+                       /* placeholder */
+               };
+
+               sdhi2: sd@ee140000 {
+                       /* placeholder */
+               };
+
+               sdhi3: sd@ee160000 {
+                       /* placeholder */
+               };
+
+               usb3_phy0: usb-phy@e65ee000 {
+                       /* placeholder */
+               };
+
+               usb3_peri0: usb@ee020000 {
+                       /* placeholder */
+               };
+
+               xhci0: usb@ee000000 {
+                       /* placeholder */
+               };
+
+               wdt0: watchdog@e6020000 {
+                       /* placeholder */
+               };
+       };
+};
-- 
2.7.4

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