arm64: dts: qcom: msm8916-huawei-g7: Add display regulator

The display on the Huawei Ascend G7 is supplied by a TI TPS65132
regulator. The panel needs a driver in mainline first, but the
TPS65132 is already supported in mainline by the tps65132 driver.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20210514104328.18756-4-stephan@gerhold.net
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts b/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts
index 3b558dc..5ad4e92 100644 (file)
--- a/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-huawei-g7.dts
@@ -135,6 +135,30 @@
                pinctrl-names = "default";
                pinctrl-0 = <&prox_irq_default>;
        };
+
+       regulator@3e {
+               compatible = "ti,tps65132";
+               reg = <0x3e>;
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&reg_lcd_en_default>;
+
+               reg_lcd_pos: outp {
+                       regulator-name = "outp";
+                       regulator-min-microvolt = <5400000>;
+                       regulator-max-microvolt = <5400000>;
+                       enable-gpios = <&msmgpio 97 GPIO_ACTIVE_HIGH>;
+                       regulator-active-discharge = <1>;
+               };
+
+               reg_lcd_neg: outn {
+                       regulator-name = "outn";
+                       regulator-min-microvolt = <5400000>;
+                       regulator-max-microvolt = <5400000>;
+                       enable-gpios = <&msmgpio 32 GPIO_ACTIVE_HIGH>;
+                       regulator-active-discharge = <1>;
+               };
+       };
 };
 
 &blsp_i2c5 {
@@ -370,6 +394,14 @@
                bias-disable;
        };
 
+       reg_lcd_en_default: reg-lcd-en-default {
+               pins = "gpio32", "gpio97";
+               function = "gpio";
+
+               drive-strength = <2>;
+               bias-disable;
+       };
+
        sdhc2_cd_default: sdhc2-cd-default {
                pins = "gpio56";
                function = "gpio";