[PATCH v5 3/3] riscv: dts: sophgo: Add SARADC description for Sophgo CV1800B

Inochi Amaoto inochiama at outlook.com
Sat Aug 31 05:49:22 PDT 2024


On Thu, Aug 29, 2024 at 02:31:52PM GMT, Thomas Bonnefille wrote:
> Add SARADC node for the Successive Approximation Analog to
> Digital Converter used in Sophgo CV1800B SoC.
> This patch only adds the active domain controller.
> 
> Signed-off-by: Thomas Bonnefille <thomas.bonnefille at bootlin.com>
> ---
>  arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> index 891932ae470f..da1ac59e976f 100644
> --- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> @@ -133,6 +133,28 @@ portd: gpio-controller at 0 {
>  			};
>  		};
>  
> +		saradc: adc at 30f0000 {
> +			compatible = "sophgo,cv1800b-saradc";
> +			reg = <0x030f0000 0x1000>;
> +			clocks = <&clk CLK_SARADC>;
> +			interrupts = <100 IRQ_TYPE_LEVEL_HIGH>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +

> +			channel at 0 {
> +				reg = <0>;
> +			};
> +
> +			channel at 1 {
> +				reg = <1>;
> +			};
> +
> +			channel at 2 {
> +				reg = <2>;
> +			};

I think it may better to move channel definition to board file.

> +		};
> +
>  		i2c0: i2c at 4000000 {
>  			compatible = "snps,designware-i2c";
>  			reg = <0x04000000 0x10000>;
> 
> -- 
> 2.46.0
> 



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