On 2020/9/14 17:29, Wei Xu wrote:
> Hi Zhen,
>
> On 2020/9/3 20:27, Zhen Lei wrote:
>> From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
>>
>> Add sd5203.dts for Hisilicon SD5203 SoC platform.
>>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
>> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
>> ---
>> arch/arm/boot/dts/Makefile | 2 +
>> arch/arm/boot/dts/sd5203.dts | 90 ++++++++++++++++++++++++++++++++++++
>> 2 files changed, 92 insertions(+)
>> create mode 100644 arch/arm/boot/dts/sd5203.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index 4572db3fa5ae..1d1262df5c55 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -357,6 +357,8 @@ dtb-$(CONFIG_ARCH_MPS2) += \
>> mps2-an399.dtb
>> dtb-$(CONFIG_ARCH_MOXART) += \
>> moxart-uc7112lx.dtb
>> +dtb-$(CONFIG_ARCH_SD5203) += \
>> + sd5203.dtb
>> dtb-$(CONFIG_SOC_IMX1) += \
>> imx1-ads.dtb \
>> imx1-apf9328.dtb
>> diff --git a/arch/arm/boot/dts/sd5203.dts b/arch/arm/boot/dts/sd5203.dts
>> new file mode 100644
>> index 000000000000..99da46072f72
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/sd5203.dts
>> @@ -0,0 +1,90 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +/*
>> + * Copyright (c) 2020 Hisilicon Limited.
>> + *
>> + * DTS file for Hisilicon SD5203 Board
>> + */
>> +
>> +/dts-v1/;
>> +
>> +/ {
>> + model = "Hisilicon SD5203";
>> + compatible = "hisilicon,sd5203";
>
> Can you please add the binding document as well?
OK, I will do it.
>
>> + interrupt-parent = <&vic>;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> +
>> + chosen {
>> + bootargs="console=ttyS0,9600 earlycon=uart8250,mmio32,0x1600d000";
>> + };
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + };
>> +
>> + cpu {
>> + compatible = "arm,arm926ej-s";
>> + device_type = "cpu";
>> + };
>> +
>> + memory@30000000 {
>> + device_type = "memory";
>> + reg = <0x30000000 0x8000000>;
>> + };
>> +
>> + soc {
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + compatible = "simple-bus";
>> + ranges;
>> +
>> + vic: interrupt-controller@10130000 {
>> + compatible = "hisilicon,sd5203-vic";
As Marc Zyngier's suggestion, I discarded adding an independent SD5203-VIC
driver, but make the dw-apb-ictl irqchip driver to support hierarchy irq domain.
I will send V4 of this irqchip driver today.
Here is the link of V3:
https://lkml.org/lkml/2020/9/9/94
>
> Ditto.
> Thanks!
>
> Best Regards,
> Wei
>
>> + reg = <0x10130000 0x1000>;
>> + interrupt-controller;
>> + #interrupt-cells = <1>;
>> + };
>> +
>> + refclk125mhz: refclk125mhz {
>> + compatible = "fixed-clock";
>> + #clock-cells = <0>;
>> + clock-frequency = <125000000>;
>> + };
>> +
>> + timer0: timer@16002000 {
>> + compatible = "arm,sp804", "arm,primecell";
>> + reg = <0x16002000 0x1000>;
>> + interrupts = <4>;
>> + clocks = <&refclk125mhz>;
>> + clock-names = "apb_pclk";
>> + };
>> +
>> + timer1: timer@16003000 {
>> + compatible = "arm,sp804", "arm,primecell";
>> + reg = <0x16003000 0x1000>;
>> + interrupts = <5>;
>> + clocks = <&refclk125mhz>;
>> + clock-names = "apb_pclk";
>> + };
>> +
>> + uart0: serial@1600D000 {
>> + compatible = "snps,dw-apb-uart";
>> + reg = <0x1600D000 0x1000>;
>> + bus_id = "uart0";
>> + clocks = <&refclk125mhz>;
>> + clock-names = "apb_pclk";
>> + reg-shift = <2>;
>> + interrupts = <17>;
>> + };
>> +
>> + uart1: serial@1600C000 {
>> + compatible = "snps,dw-apb-uart";
>> + reg = <0x1600C000 0x1000>;
>> + clocks = <&refclk125mhz>;
>> + clock-names = "apb_pclk";
>> + reg-shift = <2>;
>> + interrupts = <16>;
>> + status = "disabled";
>> + };
>> + };
>> +};
>>
>
> .
>
