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arm64: dts: qcom: c630: add panel bridge 1p2 regulator

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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@linaro.org>
Link: https://lore.kernel.org/r/20230627-c630-uart-and-1p2-reg-v2-1-496b581935c1@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Caleb Connolly
2023-06-29 22:00:53 +01:00
committed by Bjorn Andersson
parent e4322bb818
commit 2bc06b7604
1 changed files with 28 additions and 0 deletions
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28
arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
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@@ -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-0 = <&sw_edp_1p2_en>;
pinctrl-names = "default";
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>;
@@ -406,6 +422,8 @@ 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 +518,16 @@ &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 {
pins = "gpio9";
function = "normal";
bias-disable;
qcom,drive-strength = <0>;
};
};
&qup_i2c10_default {
drive-strength = <2>;
bias-disable;