[RFC PATCH 1/2] arm64: dts: renesas: ulcb-kf: adapt 1.8V HDMI regulator to schematics

Wolfram Sang
2024-01-29T21:23:58Z

It is named T1.8V in the schematics. Also add properties dcoumenting it
is always on, also during boot.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index c8dc06f0dfed..6b6a0a8bc1db 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -32,11 +32,13 @@ hdmi1_con: endpoint {
};
};

- hdmi_1v8: regulator-hdmi-1v8 {
+ t1v8: regulator-t1v8 {
compatible = "regulator-fixed";
- regulator-name = "hdmi-1v8";
+ regulator-name = "t1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
};

pcie_1v5: regulator-pcie-1v5 {
@@ -154,11 +156,11 @@ hdmi@3d {

pd-gpios = <&gpio_exp_75 5 GPIO_ACTIVE_LOW>;

- avdd-supply = <&hdmi_1v8>;
- dvdd-supply = <&hdmi_1v8>;
- pvdd-supply = <&hdmi_1v8>;
+ avdd-supply = <&t1v8>;
+ dvdd-supply = <&t1v8>;
+ pvdd-supply = <&t1v8>;
dvdd-3v-supply = <&reg_3p3v>;
- bgvdd-supply = <&hdmi_1v8>;
+ bgvdd-supply = <&t1v8>;

adi,input-depth = <8>;
adi,input-colorspace = "rgb";
--
2.39.2