[PATCH 5.15 122/846] arm64: dts: meson-gxbb-wetek: fix HDMI in early boot

From: Greg Kroah-Hartman
Date: Mon Jan 24 2022 - 15:40:12 EST


From: Christian Hewitt <christianshewitt@xxxxxxxxx>

[ Upstream commit 8182a35868db5f053111d5d9d4da8fcb3f99259d ]

Mark the VDDIO_AO18 regulator always-on and set hdmi-supply for the hdmi_tx
node to ensure HDMI is powered in the early stages of boot.

Fixes: fb72c03e0e32 ("ARM64: dts: meson-gxbb-wetek: add a wetek specific dtsi to cleanup hub and play2")

Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20211012052522.30873-2-christianshewitt@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi
index a350fee1264d7..8e2af986cebaf 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi
@@ -64,6 +64,7 @@
regulator-name = "VDDIO_AO18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-always-on;
};

vcc_3v3: regulator-vcc_3v3 {
@@ -161,6 +162,7 @@
status = "okay";
pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
pinctrl-names = "default";
+ hdmi-supply = <&vddio_ao18>;
};

&hdmi_tx_tmds_port {
--
2.34.1