freifunkist-firmware/target/linux/sunxi/patches-3.13/176-1-dt-sun7i-add-lradc.patch

From 0b35a283be3dcd9495bb7c0e13ef2cd58a5d2afc Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Wed, 1 Jan 2014 20:26:21 +0100
Subject: [PATCH] ARM: dts: sun7i: Add lradc node

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts | 9 +++++++++
 arch/arm/boot/dts/sun7i-a20.dtsi                | 7 +++++++
 2 files changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index d4e2355..aef289f 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -14,6 +14,7 @@
 /dts-v1/;
 /include/ "sun7i-a20.dtsi"
 /include/ "sunxi-ahci-reg.dtsi"
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "Olimex A20-Olinuxino Micro";
@@ -57,6 +58,14 @@
 			};
 		};
 
+		lradc: lradc@01c22800 {
+			allwinner,chan0-step = <200>;
+			linux,chan0-keycodes = <KEY_VOLUMEUP KEY_VOLUMEDOWN
+						KEY_MENU KEY_SEARCH KEY_HOME
+						KEY_ESC KEY_ENTER>;
+			status = "okay";
+		};
+
 		uart0: serial@01c28000 {
 			pinctrl-names = "default";
 			pinctrl-0 = <&uart0_pins_a>;
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index fa2ef07..b58ce25 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -608,6 +608,13 @@
 			interrupts = <0 24 1>;
 		};
 
+		lradc: lradc@01c22800 {
+			compatible = "allwinner,sun4i-lradc-keys";
+			reg = <0x01c22800 0x100>;
+			interrupts = <0 31 4>;
+			status = "disabled";
+		};
+
 		sid: eeprom@01c23800 {
 			compatible = "allwinner,sun7i-a20-sid";
 			reg = <0x01c23800 0x200>;
-- 
1.8.5.5