linux-kernel - Re: [PATCH 1/2] riscv: dts: sophgo: cv18xx: Add spi devices

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Date: Mon, 29 Jan 2024 11:47:18 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Yixun Lan <dlan@...too.org>
Cc: Inochi Amaoto <inochiama@...look.com>,
	Chao Wei <chao.wei@...hgo.com>,
	Chen Wang <unicorn_wang@...look.com>,
	Conor Dooley <conor@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Jisheng Zhang <jszhang@...nel.org>,
	Liu Gui <kenneth.liu@...hgo.com>,
	Jingbao Qiu <qiujingbao.dlmu@...il.com>,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] riscv: dts: sophgo: cv18xx: Add spi devices

>Hi Inochi Amaoto
>
>On 10:26 Mon 29 Jan     , Inochi Amaoto wrote:
>> Add spi devices for the CV180x, CV181x and SG200x soc.
>>
>> Signed-off-by: Inochi Amaoto <inochiama@...look.com>
>> ---
>>  arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 44 ++++++++++++++++++++++++++
>>  1 file changed, 44 insertions(+)
>>
>> diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
>> index 7c88cbe8e91d..e66f9e9feb48 100644
>> --- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
>> +++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
>> @@ -176,6 +176,50 @@ uart3: serial@...0000 {
>>  			status = "disabled";
>>  		};
>>
>> +		spi0: spi@...0000 {
>> +			compatible = "snps,dw-apb-ssi";
>> +			reg = <0x04180000 0x10000>;
>> +			interrupts = <54 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI0>;
>> +			clock-names = "ssi_clk", "pclk";
>..
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>I'd suggest moving those two above 'interrupts' property
>
>there is an ongoing discussion here..
>https://lore.kernel.org/all/20231203174622.18402-1-krzysztof.kozlowski@linaro.org/
>

Thanks for this info. I will take care of it.

>> +			status = "disabled";
>> +		};
>> +
>> +		spi1: spi@...0000 {
>> +			compatible = "snps,dw-apb-ssi";
>> +			reg = <0x04190000 0x10000>;
>> +			interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI1>;
>> +			clock-names = "ssi_clk", "pclk";
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>> +		spi2: spi@...0000 {
>> +			compatible = "snps,dw-apb-ssi";
>> +			reg = <0x041a0000 0x10000>;
>> +			interrupts = <56 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI2>;
>> +			clock-names = "ssi_clk", "pclk";
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>> +		spi3: spi@...0000 {
>> +			compatible = "snps,dw-apb-ssi";
>> +			reg = <0x041b0000 0x10000>;
>> +			interrupts = <57 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI3>;
>> +			clock-names = "ssi_clk", "pclk";
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>>  		uart4: serial@...0000 {
>>  			compatible = "snps,dw-apb-uart";
>>  			reg = <0x041c0000 0x100>;
>> --
>> 2.43.0
>
>--
>Yixun Lan (dlan)
>Gentoo Linux Developer
>GPG Key ID AABEFD55