From b9fabe5d3ad82d0ab33d62695f74299a6bf5b127 Mon Sep 17 00:00:00 2001 From: Algea Cao Date: Tue, 2 Apr 2024 14:53:02 +0800 Subject: [PATCH] arm64: dts: rockchip: rk3576-rk806: Raise vdda0v75_hdmi_s0 voltage to 0.8375V HDMI has compatibility problems when the HDMI PHY VDD is set to the nominal 0.75V. On some televisions, signal may be no recognized when switch resolution. After actual testing, raising voltage up to 0.8375V can solve the compatibility problems such as no signal. Change-Id: I633f0321e83ac2a6325e4ca1de60c4b22c9a9961 Signed-off-by: Algea Cao --- arch/arm64/boot/dts/rockchip/rk3576-rk806.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-rk806.dtsi b/arch/arm64/boot/dts/rockchip/rk3576-rk806.dtsi index 2c390bc487d7..9ee66277ec43 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-rk806.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3576-rk806.dtsi @@ -358,8 +358,8 @@ vdda0v75_hdmi_s0: NLDO_REG3 { regulator-always-on; regulator-boot-on; - regulator-min-microvolt = <750000>; - regulator-max-microvolt = <750000>; + regulator-min-microvolt = <837500>; + regulator-max-microvolt = <837500>; regulator-name = "vdda0v75_hdmi_s0"; regulator-state-mem { regulator-off-in-suspend;