From: Neil Armstrong <narmstrong@baylibre.com>
Date: Mon, 20 May 2019 13:48:15 +0000 (+0200)
Subject: arm64: dts: meson: g12a: add drive-strength hdmi ddc pins
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d9b9640b8d5072e7f4234e58730dc3b6926a2ffa;p=linux.git

arm64: dts: meson: g12a: add drive-strength hdmi ddc pins

With the default boot settings, the DDC drive strength is too weak,
set the driver-strengh to 4mA to avoid errors on the DDC line.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 90da7cc81681e..42fec9db3941b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -290,6 +290,7 @@
 								 "hdmitx_sck";
 							function = "hdmitx";
 							bias-disable;
+							drive-strength-microamp = <4000>;
 						};
 					};