diff options
| author | Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> | 2026-06-16 11:08:50 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-07-07 22:06:39 -0500 |
| commit | 80bf2eb87bfbf1b7bc7b12228cbcc710b0a26275 (patch) | |
| tree | 6707ec145da042d252a4b50c393f4c9c76b9e8ef | |
| parent | ae51d9396f9318189e91578878409d8ada152edb (diff) | |
arm64: dts: qcom: sc8180x-primus: Describe the display power net
Describe and wire up the power supplies for the eDP panel and its
backlight. Previously, this was only working because of settings
inherited from the bootloader.
Fixes: 2ce38cc1e8fe ("arm64: dts: qcom: sc8180x: Introduce Primus")
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260616-topic-8180_disp_power-v2-2-167785993231@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc8180x-primus.dts | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts index ffe7c45366ed..e34f4758ebe2 100644 --- a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts +++ b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts @@ -29,9 +29,10 @@ compatible = "pwm-backlight"; pwms = <&pmc8180c_lpg 4 1000000>; enable-gpios = <&pmc8180c_gpios 8 GPIO_ACTIVE_HIGH>; + power-supply = <&vled_bl_pw>; - pinctrl-names = "default"; pinctrl-0 = <&bl_pwm_default>; + pinctrl-names = "default"; }; chosen { @@ -167,6 +168,38 @@ }; }; + vled_bl_pw: regulator-vled-bl-pw { + compatible = "regulator-fixed"; + + regulator-name = "VLED_BL_PW"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&pmc8180_2_gpios 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&bl_pwr_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + + vreg_lcm_3v3: regulator-edp-3p3 { + compatible = "regulator-fixed"; + + regulator-name = "VREG_LCM_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&tlmm 130 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&lcm_3v3_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + vreg_nvme_0p9: regulator-nvme-0p9 { compatible = "regulator-fixed"; regulator-name = "vreg_nvme_0p9"; @@ -540,6 +573,7 @@ aux-bus { panel { compatible = "edp-panel"; + power-supply = <&vreg_lcm_3v3>; backlight = <&backlight>; @@ -769,6 +803,12 @@ }; /* PINCTRL */ +&pmc8180_2_gpios { + bl_pwr_en: bl-pwr-en-state { + pins = "gpio1"; + function = "normal"; + }; +}; &pmc8180c_gpios { bl_pwm_default: bl-pwm-default-state { @@ -950,4 +990,10 @@ bias-pull-up; }; }; + + lcm_3v3_en: lcm-3v3-en-state { + pins = "gpio130"; + function = "gpio"; + bias-disable; + }; }; |