linux-kernel - Re: [PATCH 22/23] arm64: dts: fsd: Add ADC device tree node

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Message-ID: <7431da93-d3df-9c32-f614-0b6c95ed016a@canonical.com>
Date:   Thu, 13 Jan 2022 14:33:31 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Alim Akhtar <alim.akhtar@...sung.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     soc@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, olof@...om.net,
        linus.walleij@...aro.org, catalin.marinas@....com,
        robh+dt@...nel.org, s.nawrocki@...sung.com,
        linux-samsung-soc@...r.kernel.org, pankaj.dubey@...sung.com,
        linux-fsd@...la.com, Tamseel Shams <m.shams@...sung.com>
Subject: Re: [PATCH 22/23] arm64: dts: fsd: Add ADC device tree node

On 13/01/2022 13:11, Alim Akhtar wrote:
> This patch adds ADC device tree node and enables the same
> on fsd platform.
> 
> Cc: linux-fsd@...la.com
> Signed-off-by: Tamseel Shams <m.shams@...sung.com>
> Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
> ---
>  arch/arm64/boot/dts/tesla/fsd.dts  |  4 ++++
>  arch/arm64/boot/dts/tesla/fsd.dtsi | 11 +++++++++++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/tesla/fsd.dts b/arch/arm64/boot/dts/tesla/fsd.dts
> index 7f3bb6212e50..dd6c75fc3221 100644
> --- a/arch/arm64/boot/dts/tesla/fsd.dts
> +++ b/arch/arm64/boot/dts/tesla/fsd.dts
> @@ -150,3 +150,7 @@
>  &spi_2 {
>  	status = "okay";
>  };
> +
> +&adc {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
> index 7e687c6f74f6..058a9d381aed 100644
> --- a/arch/arm64/boot/dts/tesla/fsd.dtsi
> +++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
> @@ -788,6 +788,17 @@
>  			num-cs = <1>;
>  			status = "disabled";
>  		};
> +
> +		adc: adc@...A0000 {

lowercase hex numbers please.

> +			compatible = "samsung,exynos-adc-v3";
> +			reg = <0x0 0x141A0000 0x0 0x100>;
> +			interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clock_peric PERIC_PCLK_ADCIF>;
> +			clock-names = "adc";
> +			#io-channel-cells = <1>;
> +			io-channel-ranges;
> +			status = "disabled";

This does not pass dtschema. NAK.

> +		};
>  	};
>  };
>  
> 


Best regards,
Krzysztof