Hi Padmarao, On Fri, Dec 11, 2020 at 7:37 PM Padmarao Begari <[email protected]> wrote: > > Hi Bin, > > On Fri, Dec 11, 2020 at 2:55 PM Bin Meng <[email protected]> wrote: >> >> Hi Padmarao, >> >> On Fri, Dec 11, 2020 at 4:32 PM Padmarao Begari <[email protected]> wrote: >> > >> > Hi Bin, >> > >> > On Fri, Dec 11, 2020 at 1:31 PM Bin Meng <[email protected]> wrote: >> >> >> >> Hi Padmarao, >> >> >> >> On Thu, Dec 3, 2020 at 4:44 AM Padmarao Begari >> >> <[email protected]> wrote: >> >> > >> >> > Add device tree for Microchip PolarFire SoC Icicle Kit. >> >> > >> >> > Signed-off-by: Padmarao Begari <[email protected]> >> >> > Reviewed-by: Anup Patel <[email protected]> >> >> >> >> Sorry 2 more warnings, please check below: >> >> >> >> > --- >> >> > arch/riscv/dts/Makefile | 1 + >> >> > .../dts/microchip-mpfs-icicle-kit-u-boot.dtsi | 14 + >> >> > arch/riscv/dts/microchip-mpfs-icicle-kit.dts | 421 ++++++++++++++++++ >> >> > 3 files changed, 436 insertions(+) >> >> > create mode 100644 arch/riscv/dts/microchip-mpfs-icicle-kit-u-boot.dtsi >> >> > create mode 100644 arch/riscv/dts/microchip-mpfs-icicle-kit.dts >> >> > >> >> > diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile >> >> > index 3a6f96c67d..01331b0aa1 100644 >> >> > --- a/arch/riscv/dts/Makefile >> >> > +++ b/arch/riscv/dts/Makefile >> >> > @@ -3,6 +3,7 @@ >> >> > dtb-$(CONFIG_TARGET_AX25_AE350) += ae350_32.dtb ae350_64.dtb >> >> > dtb-$(CONFIG_TARGET_SIFIVE_FU540) += hifive-unleashed-a00.dtb >> >> > dtb-$(CONFIG_TARGET_SIPEED_MAIX) += k210-maix-bit.dtb >> >> > +dtb-$(CONFIG_TARGET_MICROCHIP_ICICLE) += microchip-mpfs-icicle-kit.dtb >> >> > >> >> > targets += $(dtb-y) >> >> > >> >> > diff --git a/arch/riscv/dts/microchip-mpfs-icicle-kit-u-boot.dtsi >> >> > b/arch/riscv/dts/microchip-mpfs-icicle-kit-u-boot.dtsi >> >> > new file mode 100644 >> >> > index 0000000000..f60283fb6b >> >> > --- /dev/null >> >> > +++ b/arch/riscv/dts/microchip-mpfs-icicle-kit-u-boot.dtsi >> >> > @@ -0,0 +1,14 @@ >> >> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT) >> >> > +/* >> >> > + * Copyright (C) 2020 Microchip Technology Inc. >> >> > + * Padmarao Begari <[email protected]> >> >> > + */ >> >> > + >> >> > +/ { >> >> > + aliases { >> >> > + cpu1 = &cpu1; >> >> > + cpu2 = &cpu2; >> >> > + cpu3 = &cpu3; >> >> > + cpu4 = &cpu4; >> >> > + }; >> >> > +}; >> >> > diff --git a/arch/riscv/dts/microchip-mpfs-icicle-kit.dts >> >> > b/arch/riscv/dts/microchip-mpfs-icicle-kit.dts >> >> > new file mode 100644 >> >> > index 0000000000..f5478bf201 >> >> > --- /dev/null >> >> > +++ b/arch/riscv/dts/microchip-mpfs-icicle-kit.dts >> >> > @@ -0,0 +1,421 @@ >> >> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT) >> >> > +/* Copyright (c) 2020 Microchip Technology Inc */ >> >> > + >> >> > +/dts-v1/; >> >> > +#include "dt-bindings/clock/microchip,mpfs-clock.h" >> >> > + >> >> > +/* Clock frequency (in Hz) of the rtcclk */ >> >> > +#define RTCCLK_FREQ 1000000 >> >> > + >> >> > +/ { >> >> > + #address-cells = <2>; >> >> > + #size-cells = <2>; >> >> > + model = "Microchip MPFS Icicle Kit"; >> >> > + compatible = "microchip,mpfs-icicle-kit"; >> >> > + >> >> > + aliases { >> >> > + serial0 = &uart0; >> >> > + ethernet0 = &emac1; >> >> > + }; >> >> > + >> >> > + chosen { >> >> > + stdout-path = "serial0"; >> >> > + }; >> >> > + >> >> > + cpucomplex: cpus { >> >> > + #address-cells = <1>; >> >> > + #size-cells = <0>; >> >> > + timebase-frequency = <RTCCLK_FREQ>; >> >> > + cpu0: cpu@0 { >> >> > + clocks = <&clkcfg CLK_CPU>; >> >> > + compatible = "sifive,e51", "sifive,rocket0", >> >> > "riscv"; >> >> > + device_type = "cpu"; >> >> > + i-cache-block-size = <64>; >> >> > + i-cache-sets = <128>; >> >> > + i-cache-size = <16384>; >> >> > + reg = <0>; >> >> > + riscv,isa = "rv64imac"; >> >> > + status = "disabled"; >> >> > + operating-points = < >> >> > + /* kHz uV */ >> >> > + 600000 1100000 >> >> > + 300000 950000 >> >> > + 150000 750000 >> >> > + >; >> >> > + cpu0intc: interrupt-controller { >> >> > + #interrupt-cells = <1>; >> >> > + compatible = "riscv,cpu-intc"; >> >> > + interrupt-controller; >> >> > + }; >> >> > + }; >> >> > + cpu1: cpu@1 { >> >> > + clocks = <&clkcfg CLK_CPU>; >> >> > + compatible = "sifive,u54-mc", "sifive,rocket0", >> >> > "riscv"; >> >> > + d-cache-block-size = <64>; >> >> > + d-cache-sets = <64>; >> >> > + d-cache-size = <32768>; >> >> > + d-tlb-sets = <1>; >> >> > + d-tlb-size = <32>; >> >> > + device_type = "cpu"; >> >> > + i-cache-block-size = <64>; >> >> > + i-cache-sets = <64>; >> >> > + i-cache-size = <32768>; >> >> > + i-tlb-sets = <1>; >> >> > + i-tlb-size = <32>; >> >> > + mmu-type = "riscv,sv39"; >> >> > + reg = <1>; >> >> > + riscv,isa = "rv64imafdc"; >> >> > + tlb-split; >> >> > + status = "okay"; >> >> > + operating-points = < >> >> > + /* kHz uV */ >> >> > + 600000 1100000 >> >> > + 300000 950000 >> >> > + 150000 750000 >> >> > + >; >> >> > + cpu1intc: interrupt-controller { >> >> > + #interrupt-cells = <1>; >> >> > + compatible = "riscv,cpu-intc"; >> >> > + interrupt-controller; >> >> > + }; >> >> > + }; >> >> > + cpu2: cpu@2 { >> >> > + clocks = <&clkcfg CLK_CPU>; >> >> > + compatible = "sifive,u54-mc", "sifive,rocket0", >> >> > "riscv"; >> >> > + d-cache-block-size = <64>; >> >> > + d-cache-sets = <64>; >> >> > + d-cache-size = <32768>; >> >> > + d-tlb-sets = <1>; >> >> > + d-tlb-size = <32>; >> >> > + device_type = "cpu"; >> >> > + i-cache-block-size = <64>; >> >> > + i-cache-sets = <64>; >> >> > + i-cache-size = <32768>; >> >> > + i-tlb-sets = <1>; >> >> > + i-tlb-size = <32>; >> >> > + mmu-type = "riscv,sv39"; >> >> > + reg = <2>; >> >> > + riscv,isa = "rv64imafdc"; >> >> > + tlb-split; >> >> > + status = "okay"; >> >> > + operating-points = < >> >> > + /* kHz uV */ >> >> > + 600000 1100000 >> >> > + 300000 950000 >> >> > + 150000 750000 >> >> > + >; >> >> > + cpu2intc: interrupt-controller { >> >> > + #interrupt-cells = <1>; >> >> > + compatible = "riscv,cpu-intc"; >> >> > + interrupt-controller; >> >> > + }; >> >> > + }; >> >> > + cpu3: cpu@3 { >> >> > + clocks = <&clkcfg CLK_CPU>; >> >> > + compatible = "sifive,u54-mc", "sifive,rocket0", >> >> > "riscv"; >> >> > + d-cache-block-size = <64>; >> >> > + d-cache-sets = <64>; >> >> > + d-cache-size = <32768>; >> >> > + d-tlb-sets = <1>; >> >> > + d-tlb-size = <32>; >> >> > + device_type = "cpu"; >> >> > + i-cache-block-size = <64>; >> >> > + i-cache-sets = <64>; >> >> > + i-cache-size = <32768>; >> >> > + i-tlb-sets = <1>; >> >> > + i-tlb-size = <32>; >> >> > + mmu-type = "riscv,sv39"; >> >> > + reg = <3>; >> >> > + riscv,isa = "rv64imafdc"; >> >> > + tlb-split; >> >> > + status = "okay"; >> >> > + operating-points = < >> >> > + /* kHz uV */ >> >> > + 600000 1100000 >> >> > + 300000 950000 >> >> > + 150000 750000 >> >> > + >; >> >> > + cpu3intc: interrupt-controller { >> >> > + #interrupt-cells = <1>; >> >> > + compatible = "riscv,cpu-intc"; >> >> > + interrupt-controller; >> >> > + }; >> >> > + }; >> >> > + cpu4: cpu@4 { >> >> > + clocks = <&clkcfg CLK_CPU>; >> >> > + compatible = "sifive,u54-mc", "sifive,rocket0", >> >> > "riscv"; >> >> > + d-cache-block-size = <64>; >> >> > + d-cache-sets = <64>; >> >> > + d-cache-size = <32768>; >> >> > + d-tlb-sets = <1>; >> >> > + d-tlb-size = <32>; >> >> > + device_type = "cpu"; >> >> > + i-cache-block-size = <64>; >> >> > + i-cache-sets = <64>; >> >> > + i-cache-size = <32768>; >> >> > + i-tlb-sets = <1>; >> >> > + i-tlb-size = <32>; >> >> > + mmu-type = "riscv,sv39"; >> >> > + reg = <4>; >> >> > + riscv,isa = "rv64imafdc"; >> >> > + tlb-split; >> >> > + status = "okay"; >> >> > + operating-points = < >> >> > + /* kHz uV */ >> >> > + 600000 1100000 >> >> > + 300000 950000 >> >> > + 150000 750000 >> >> > + >; >> >> > + cpu4intc: interrupt-controller { >> >> > + #interrupt-cells = <1>; >> >> > + compatible = "riscv,cpu-intc"; >> >> > + interrupt-controller; >> >> > + }; >> >> > + }; >> >> > + }; >> >> > + ddr: memory@80000000 { >> >> > + device_type = "memory"; >> >> > + reg = <0x0 0x80000000 0x0 0x40000000>; >> >> > + clocks = <&clkcfg CLK_DDRC>; >> >> > + }; >> >> > + soc: soc { >> >> > + #address-cells = <2>; >> >> > + #size-cells = <2>; >> >> > + compatible = "microchip,mpfs-icicle-kit", "simple-bus"; >> >> > + ranges; >> >> > + clint0: clint@2000000 { >> >> > + compatible = "riscv,clint0"; >> >> > + interrupts-extended = <&cpu0intc 3 &cpu0intc 7 >> >> > + &cpu1intc 3 &cpu1intc 7 >> >> > + &cpu2intc 3 &cpu2intc 7 >> >> > + &cpu3intc 3 &cpu3intc 7 >> >> > + &cpu4intc 3 &cpu4intc >> >> > 7>; >> >> > + reg = <0x0 0x2000000 0x0 0x10000>; >> >> > + reg-names = "control"; >> >> > + clock-frequency = <RTCCLK_FREQ>; >> >> > + }; >> >> > + cachecontroller: cache-controller@2010000 { >> >> > + compatible = "sifive,fu540-c000-ccache", >> >> > "cache"; >> >> > + cache-block-size = <64>; >> >> > + cache-level = <2>; >> >> > + cache-sets = <1024>; >> >> > + cache-size = <2097152>; >> >> > + cache-unified; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <1 2 3>; >> >> > + reg = <0x0 0x2010000 0x0 0x1000>; >> >> > + }; >> >> > + plic: interrupt-controller@c000000 { >> >> > + #interrupt-cells = <1>; >> >> > + compatible = "sifive,plic-1.0.0"; >> >> > + reg = <0x0 0xc000000 0x0 0x4000000>; >> >> > + riscv,max-priority = <7>; >> >> > + riscv,ndev = <186>; >> >> > + interrupt-controller; >> >> > + interrupts-extended = < >> >> > + &cpu0intc 11 >> >> > + &cpu1intc 11 &cpu1intc 9 >> >> > + &cpu2intc 11 &cpu2intc 9 >> >> > + &cpu3intc 11 &cpu3intc 9 >> >> > + &cpu4intc 11 &cpu4intc 9>; >> >> > + }; >> >> > + uart0: serial@20000000 { >> >> > + compatible = "ns16550a"; >> >> > + reg = <0x0 0x20000000 0x0 0x400>; >> >> > + reg-io-width = <4>; >> >> > + reg-shift = <2>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <90>; >> >> > + clock-frequency = <150000000>; >> >> > + clocks = <&clkcfg CLK_MMUART0>; >> >> > + status = "okay"; >> >> > + }; >> >> > + refclk: refclk { >> >> > + compatible = "fixed-clock"; >> >> > + #clock-cells = <0>; >> >> > + clock-frequency = <600000000>; >> >> > + clock-output-names = "msspllclk"; >> >> > + }; >> >> >> >> Right now this is put under /soc, but with newer dtc, we got warning like: >> >> Warning (simple_bus_reg): /soc/refclk: missing or empty reg/ranges >> >> property >> >> >> >> Should we move this node to / instead? >> >> >> > >> > ok >> > >> >> >> >> > + clkcfg: clkcfg@20002000 { >> >> > + compatible = "microchip,mpfs-clkcfg"; >> >> > + reg = <0x0 0x20002000 0x0 0x1000>; >> >> > + reg-names = "mss_sysreg"; >> >> > + clocks = <&refclk>; >> >> > + #clock-cells = <1>; >> >> > + clock-output-names = "cpu", "axi", "ahb", >> >> > "envm", >> >> > + "mac0", "mac1", "mmc", "timer", >> >> > + "mmuart0", "mmuart1", "mmuart2", >> >> > + "mmuart3", "mmuart4", "spi0", >> >> > "spi1", >> >> > + "i2c0", "i2c1", "can0", "can1", >> >> > "usb", >> >> > + "reserved", "rtc", "qspi", >> >> > "gpio0", >> >> > + "gpio1", "gpio2", "ddrc", >> >> > "fic0", >> >> > + "fic1", "fic2", "fic3", >> >> > "athena", >> >> > + "cfm"; >> >> > + }; >> >> > + emmc: mmc@20008000 { >> >> > + compatible = "cdns,sd4hc"; >> >> > + reg = <0x0 0x20008000 0x0 0x1000>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <88 89>; >> >> > + pinctrl-names = "default"; >> >> > + clocks = <&clkcfg CLK_MMC>; >> >> > + bus-width = <4>; >> >> > + cap-mmc-highspeed; >> >> > + mmc-ddr-3_3v; >> >> > + max-frequency = <200000000>; >> >> > + non-removable; >> >> > + no-sd; >> >> > + no-sdio; >> >> > + voltage-ranges = <3300 3300>; >> >> > + status = "okay"; >> >> > + }; >> >> > + sdcard: sd@20008000 { >> >> > + compatible = "cdns,sd4hc"; >> >> > + reg = <0x0 0x20008000 0x0 0x1000>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <88>; >> >> > + pinctrl-names = "default"; >> >> > + clocks = <&clkcfg CLK_MMC>; >> >> > + bus-width = <4>; >> >> > + disable-wp; >> >> > + cap-sd-highspeed; >> >> > + card-detect-delay = <200>; >> >> > + sd-uhs-sdr12; >> >> > + sd-uhs-sdr25; >> >> > + sd-uhs-sdr50; >> >> > + sd-uhs-sdr104; >> >> > + max-frequency = <200000000>; >> >> > + status = "disabled"; >> >> > + }; >> >> > + uart1: serial@20100000 { >> >> > + compatible = "ns16550a"; >> >> > + reg = <0x0 0x20100000 0x0 0x400>; >> >> > + reg-io-width = <4>; >> >> > + reg-shift = <2>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <91>; >> >> > + clock-frequency = <150000000>; >> >> > + clocks = <&clkcfg CLK_MMUART1>; >> >> > + status = "okay"; >> >> > + }; >> >> > + uart2: serial@20102000 { >> >> > + compatible = "ns16550a"; >> >> > + reg = <0x0 0x20102000 0x0 0x400>; >> >> > + reg-io-width = <4>; >> >> > + reg-shift = <2>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <92>; >> >> > + clock-frequency = <150000000>; >> >> > + clocks = <&clkcfg CLK_MMUART2>; >> >> > + status = "okay"; >> >> > + }; >> >> > + uart3: serial@20104000 { >> >> > + compatible = "ns16550a"; >> >> > + reg = <0x0 0x20104000 0x0 0x400>; >> >> > + reg-io-width = <4>; >> >> > + reg-shift = <2>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <93>; >> >> > + clock-frequency = <150000000>; >> >> > + clocks = <&clkcfg CLK_MMUART3>; >> >> > + status = "okay"; >> >> > + }; >> >> > + i2c0: i2c@02010a000 { >> >> > + #address-cells = <1>; >> >> > + #size-cells = <0>; >> >> > + compatible = "microchip,mpfs-mss-i2c"; >> >> > + reg = <0x0 0x2010a000 0x0 0x1000>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <58>; >> >> > + clocks = <&clkcfg CLK_I2C0>; >> >> > + status = "disabled"; >> >> > + }; >> >> > + i2c1: i2c@02010b000 { >> >> > + #address-cells = <1>; >> >> > + #size-cells = <0>; >> >> > + compatible = "microchip,mpfs-mss-i2c"; >> >> > + reg = <0x0 0x2010b000 0x0 0x1000>; >> >> > + interrupt-parent = <&plic>; >> >> > + interrupts = <61>; >> >> > + clocks = <&clkcfg CLK_I2C1>; >> >> > + status = "disabled"; >> >> > + pac193x@0x10 { >> >> > + compatible = "microchip,pac1934"; >> >> > + reg = <0x10>; >> >> > + samp-rate = <64>; >> >> > + status = "disabled"; >> >> > + ch1: channel@0 { >> >> >> >> Please remove @0, otherwise with newer dtc, we got: >> >> >> > >> > ok, will remove @0 >> > >> > Is the channel@1, channel@2, channel@3 ok? or do we need to remove @1,@2, >> > @3 also? >> > >> >> Same warning. We should remove them too. >> > > Ok, will remove @1,@2, @3 > > Can I replace channel@0 with channel0, channel@1 with channel1, channel@2 > with channel2, channel@3 with channel3?
Yes. > > The ethernet subnode 'ethernet-phy@8' is using @8 for the device phy address, > is this node also giving warning? No, because there is a reg = <8>. Regards, Bin

