Re: [PATCH v2 3/3] arm64: dts: exynos: Add SPI nodes for Exynos850

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

On 25/01/2024 02:38, Sam Protsenko wrote:
> Some USI blocks can be configured as SPI controllers. Add corresponding
> SPI nodes to Exynos850 SoC device tree.
> 
> Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
> ---
> Changes in v2:
>   - Sorted pinctrl properties properly
> 
>  arch/arm64/boot/dts/exynos/exynos850.dtsi | 54 +++++++++++++++++++++++
>  1 file changed, 54 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dts/exynos/exynos850.dtsi
> index 618bc674896e..ca257da74b50 100644
> --- a/arch/arm64/boot/dts/exynos/exynos850.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi
> @@ -738,6 +738,24 @@ usi_spi_0: usi@139400c0 {
>  				 <&cmu_peri CLK_GOUT_SPI0_IPCLK>;
>  			clock-names = "pclk", "ipclk";
>  			status = "disabled";
> +
> +			spi_0: spi@13940000 {
> +				compatible = "samsung,exynos850-spi";
> +				reg = <0x13940000 0x30>;
> +				interrupts = <GIC_SPI 221 IRQ_TYPE_LEVEL_HIGH>;
> +				pinctrl-0 = <&spi0_pins>;
> +				pinctrl-names = "default";
> +				clocks = <&cmu_peri CLK_GOUT_SPI0_IPCLK>,
> +					 <&cmu_peri CLK_GOUT_SPI0_PCLK>;
> +				clock-names = "spi_busclk0", "spi";
> +				samsung,spi-src-clk = <0>;
> +				dmas = <&pdma0 5>, <&pdma0 4>;
> +				dma-names = "tx", "rx";
> +				num-cs = <1>;

For the future: please keep properties sorted by name, so clocks+name,
dmas+name, interrupts, pinctrl+name, more-or-less matching DTS coding
style. address/size cells can go to the end.

Best regards,
Krzysztof