linux-kernel - Re: [PATCH v3 4/9] arm64: dts: qcom: sa8775p-ride: enable i2c18

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Date:   Mon, 6 Mar 2023 15:54:16 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v3 4/9] arm64: dts: qcom: sa8775p-ride: enable i2c18



On 16.02.2023 13:52, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> This enables the I2C interface on the sa8775p-ride development board.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> index a538bb79c04a..5fdce8279537 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> @@ -13,6 +13,7 @@ / {
>  
>  	aliases {
>  		serial0 = &uart10;
> +		i2c18 = &i2c18;
>  	};
>  
>  	chosen {
> @@ -20,6 +21,13 @@ chosen {
>  	};
>  };
>  
> +&i2c18 {
> +	clock-frequency = <400000>;
> +	pinctrl-0 = <&qup_i2c18_default>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
>  &qupv3_id_1 {
>  	status = "okay";
>  };
> @@ -37,6 +45,13 @@ qup_uart10_default: qup-uart10-state {
>  		pins = "gpio46", "gpio47";
>  		function = "qup1_se3";
>  	};
> +
> +	qup_i2c18_default: qup-i2c18-state {
> +		pins = "gpio95", "gpio96";
> +		function = "qup2_se4";
> +		drive-strength = <2>;
> +		bias-pull-up;
> +	};
>  };
>  
>  &uart10 {