On 27.06.2023 17:32, Caleb Connolly wrote:
> The VCC and VCCA supplies of the DSI<->eDP bridge are derived from
> vreg_l2a_1p2 and controlled by a GPIO on the PMIC. Add the regulator
> here so Linux can control it.
>
> Signed-off-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx>
> ---
> .../boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 30 ++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> index 22a7d997cdb0..94e37e5d2177 100644
> --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> @@ -80,6 +80,22 @@ adsp_mem: memory@8c600000 {
> };
> };
>
> + sw_edp_1p2: edp-1p2-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "sw_edp_1p2";
> +
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&sw_edp_1p2_en>;
property
property-names
> +
> + gpio = <&pm8998_gpios 9 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +
> + vin-supply = <&vreg_l2a_1p2>;
> + };
> +
> sn65dsi86_refclk: sn65dsi86-refclk {
> compatible = "fixed-clock";
> #clock-cells = <0>;
> @@ -425,6 +441,8 @@ sn65dsi86: bridge@2c {
>
> enable-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
>
> + vcca-supply = <&sw_edp_1p2>;
> + vcc-supply = <&sw_edp_1p2>;
> vpll-supply = <&vreg_l14a_1p88>;
> vccio-supply = <&vreg_l14a_1p88>;
>
> @@ -500,6 +518,18 @@ &mss_pil {
> firmware-name = "qcom/sdm850/LENOVO/81JL/qcdsp1v2850.mbn", "qcom/sdm850/LENOVO/81JL/qcdsp2850.mbn";
> };
>
> +&pm8998_gpios {
> + /* This pin is pulled down by a fixed resistor */
> + sw_edp_1p2_en: pm8998-gpio9-state {
> + pinconf {
drop pinconf{}, it's unnecessary
Konrad
> + pins = "gpio9";
> + function = "normal";
> + bias-disable;
> + qcom,drive-strength = <0>;
> + };
> + };
> +};
> +
> &qup_i2c10_default {
> drive-strength = <2>;
> bias-disable;
>
