Re: [PATCH] ARM: Rockchip: rk3568: add tsadc and spi

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Hi Frank,

On Fri, Feb 11, 2022 at 10:11:14AM +0100, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
> 
> Add tsadc and spi node from linux.
> 
> Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
> ---
>  arch/arm/dts/rk3568-pinctrl.dtsi |  9 ++++++++
>  arch/arm/dts/rk3568.dtsi         | 35 ++++++++++++++++++++++++++++++++
>  2 files changed, 44 insertions(+)
> 
> diff --git a/arch/arm/dts/rk3568-pinctrl.dtsi b/arch/arm/dts/rk3568-pinctrl.dtsi
> index a588ca95ace2..8f90c66dd9e9 100644
> --- a/arch/arm/dts/rk3568-pinctrl.dtsi
> +++ b/arch/arm/dts/rk3568-pinctrl.dtsi
> @@ -3108,4 +3108,13 @@
>  				<4 RK_PA0 3 &pcfg_pull_none_drv_level_2>;
>  		};
>  	};
> +
> +	tsadc {
> +		/omit-if-no-ref/
> +		tsadc_pin: tsadc-pin {
> +			rockchip,pins =
> +				/* tsadc_pin */
> +				<0 RK_PA1 0 &pcfg_pull_none>;
> +		};
> +	};
>  };
> diff --git a/arch/arm/dts/rk3568.dtsi b/arch/arm/dts/rk3568.dtsi
> index 0f19d3f0c0c3..6afd95b01c0c 100644
> --- a/arch/arm/dts/rk3568.dtsi
> +++ b/arch/arm/dts/rk3568.dtsi
> @@ -772,6 +772,21 @@
>  		clock-names = "tclk", "pclk";
>  	};
>  
> +	spi3: spi@fe640000 {
> +		compatible = "rockchip,rk3568-spi", "rockchip,rk3066-spi";
> +		reg = <0x0 0xfe640000 0x0 0x1000>;
> +		interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&cru CLK_SPI3>, <&cru PCLK_SPI3>;
> +		clock-names = "spiclk", "apb_pclk";
> +		dmas = <&dmac0 26>, <&dmac0 27>;
> +		dma-names = "tx", "rx";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&spi3m0_cs0 &spi3m0_cs1 &spi3m0_pins>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		status = "disabled";
> +	};

When you asked me if you should keep tsadc/spi3 in your board dts I
didn't understand that these are missing in rk3568.dtsi.
Adding these nodes when barebox doesn't use them has no gain for us. I
won't take this patch and removed references to spi3/tsadc from your
board patch while applying.

Sascha

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