From 21cb5a27483a3cfdbcb7508a06a30c0a485e1211 Mon Sep 17 00:00:00 2001
From: Andrzej Hajda <a.hajda@samsung.com>
Date: Thu, 26 Jul 2018 12:12:28 +0200
Subject: [PATCH] ARM: dts: exynos: Fix HDMI-HPD line handling on Arndale

HDMI-HPD was set active low, moreover by default pincontrol chip sets
pull-down on the pin. As a result HDMI driver assumes TV is always
connected regardless of actual state.  The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 arch/arm/boot/dts/exynos5250-arndale.dts  | 4 +++-
 arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 5 +++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index e7a9b9aa85f1..88f060a1f081 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -210,9 +210,11 @@
 };
 
 &hdmi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&hdmi_hpd>;
 	status = "okay";
 	ddc = <&i2c_ddc>;
-	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_LOW>;
+	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
 	vdd_osc-supply = <&ldo10_reg>;
 	vdd_pll-supply = <&ldo8_reg>;
 	vdd-supply = <&ldo8_reg>;
diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
index b25d520393b8..d31a68672bfa 100644
--- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
@@ -599,6 +599,11 @@
 		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 	};
+
+	hdmi_hpd: hdmi-hpd {
+		samsung,pins = "gpx3-7";
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+	};
 };
 
 &pinctrl_1 {
-- 
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