arm64: dts: renesas: ulcb-kf: Adapt 1.8V HDMI regulator to schematics

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

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240129212350.33370-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index c8dc06f..52249c3 100644 (file)
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -32,11 +32,13 @@
                };
        };
 
-       hdmi_1v8: regulator-hdmi-1v8 {
+       reg_t1p8v: regulator-t1p8v {
                compatible = "regulator-fixed";
-               regulator-name = "hdmi-1v8";
+               regulator-name = "T1.8V";
                regulator-min-microvolt = <1800000>;
                regulator-max-microvolt = <1800000>;
+               regulator-boot-on;
+               regulator-always-on;
        };
 
        pcie_1v5: regulator-pcie-1v5 {
@@ -154,11 +156,11 @@
 
                                pd-gpios = <&gpio_exp_75 5 GPIO_ACTIVE_LOW>;
 
-                               avdd-supply = <&hdmi_1v8>;
-                               dvdd-supply = <&hdmi_1v8>;
-                               pvdd-supply = <&hdmi_1v8>;
+                               avdd-supply = <&reg_t1p8v>;
+                               dvdd-supply = <&reg_t1p8v>;
+                               pvdd-supply = <&reg_t1p8v>;
                                dvdd-3v-supply = <&reg_3p3v>;
-                               bgvdd-supply = <&hdmi_1v8>;
+                               bgvdd-supply = <&reg_t1p8v>;
 
                                adi,input-depth = <8>;
                                adi,input-colorspace = "rgb";