From f8d384eb825833f16db1b410dc7bdb62857bcf54 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 6 May 2016 12:42:26 -0700
Subject: [PATCH] BCM270X_DT: Set correct HDMI HPD GPIO levels for various
 boards.

The CM is left out, because I haven't found a source for how the CM's
HPD is connected.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 4 ++++
 arch/arm/boot/dts/bcm2708-rpi-b.dts      | 4 ++++
 arch/arm/boot/dts/bcm2709-rpi-2-b.dts    | 4 ++++
 arch/arm/boot/dts/bcm2710-rpi-3-b.dts    | 4 ++++
 4 files changed, 16 insertions(+)

--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
@@ -116,6 +116,10 @@
 	};
 };
 
+&hdmi {
+	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+};
+
 / {
 	__overrides__ {
 		uart0 = <&uart0>,"status";
--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
@@ -110,6 +110,10 @@
 	};
 };
 
+&hdmi {
+	hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
+};
+
 / {
 	__overrides__ {
 		uart0 = <&uart0>,"status";
--- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
+++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
@@ -116,6 +116,10 @@
 	};
 };
 
+&hdmi {
+	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+};
+
 / {
 	__overrides__ {
 		uart0 = <&uart0>,"status";
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
@@ -161,6 +161,10 @@
 	};
 };
 
+&hdmi {
+	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+};
+
 / {
 	chosen {
 		bootargs = "8250.nr_uarts=1";