Re: [PATCH 2/2] arm64: dts: qcom: sdm845: Enable debug UART and I2C10 on sdm845-mtp

[Bjorn Andersson]

On Thu 07 Jun 13:46 PDT 2018, Douglas Anderson wrote:

> The debug UART is very useful to have.  I2C10 is enabled as an example
> of a I2C port we can talk on for now.  Eventually we'll want to put
> peripherals under it.
> 
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Tested-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> ---
> 
>  arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 52 +++++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> index 979ab49913f1..e1eda143a725 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> @@ -12,4 +12,56 @@
>  / {
>  	model = "Qualcomm Technologies, Inc. SDM845 MTP";
>  	compatible = "qcom,sdm845-mtp";
> +
> +	aliases {
> +		serial0 = &uart9;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&i2c10 {
> +	status = "okay";
> +	clock-frequency = <400000>;
> +};
> +
> +&qupv3_id_1 {
> +	status = "okay";
> +};
> +
> +&uart9 {
> +	status = "okay";
> +};
> +
> +/* PINCTRL - additions to nodes defined in sdm845.dtsi */
> +
> +&qup_i2c10_default {
> +	pinconf {
> +		pins = "gpio55", "gpio56";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +};
> +
> +&qup_uart9_default {
> +	pinconf-tx {
> +		pins = "gpio4";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	pinconf-rx {
> +		pins = "gpio5";
> +		drive-strength = <2>;
> +		bias-pull-up;
> +	};
> +};
> +
> +&qup_uart9_sleep {
> +	pinconf {
> +		pins = "gpio4", "gpio5";
> +		bias-pull-down;
> +	};
>  };
> -- 
> 2.17.1.1185.g55be947832-goog
>