From: Gabriel FERNANDEZ <gabriel.fernandez@st.com>
Date: Fri, 11 Apr 2014 15:07:00 +0000 (+0200)
Subject: ARM: STi: DT: add keyscan for stih416
X-Git-Tag: v3.16-rc1~30^2~41^2~16^2~15
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=948d8ffb4775705c729501f9a433d05163e2f253;p=linux.git

ARM: STi: DT: add keyscan for stih416

Add keyscan support for stih416.
It is disabled by default given that it is not enabled on all boards.
Also there are PIOs conflict with already claimed lines.

Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
---

diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index aeea304086eb..6252188e9a77 100644
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -122,6 +122,22 @@ st,pins {
 				};
 			};
 
+			keyscan {
+				pinctrl_keyscan: keyscan {
+					st,pins {
+						keyin0 = <&PIO0 2 ALT2 IN>;
+						keyin1 = <&PIO0 3 ALT2 IN>;
+						keyin2 = <&PIO0 4 ALT2 IN>;
+						keyin3 = <&PIO2 6 ALT2 IN>;
+
+						keyout0 = <&PIO1 6 ALT2 OUT>;
+						keyout1 = <&PIO1 7 ALT2 OUT>;
+						keyout2 = <&PIO0 6 ALT2 OUT>;
+						keyout3 = <&PIO2 7 ALT2 OUT>;
+					};
+				};
+			};
+
 			sbc_i2c0 {
 				pinctrl_sbc_i2c0_default: sbc_i2c0-default {
 					st,pins {
diff --git a/arch/arm/boot/dts/stih416.dtsi b/arch/arm/boot/dts/stih416.dtsi
index 78746d20382e..d3bc26360072 100644
--- a/arch/arm/boot/dts/stih416.dtsi
+++ b/arch/arm/boot/dts/stih416.dtsi
@@ -224,5 +224,17 @@ spifsm: spifsm@fe902000 {
 
 			status = "disabled";
 		};
+
+		keyscan: keyscan@fe4b0000 {
+			compatible = "st,sti-keyscan";
+			status = "disabled";
+			reg = <0xfe4b0000 0x2000>;
+			interrupts = <GIC_SPI 212 IRQ_TYPE_NONE>;
+			clocks = <&CLK_SYSIN>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_keyscan>;
+			resets	= <&powerdown STIH416_KEYSCAN_POWERDOWN>,
+				  <&softreset STIH416_KEYSCAN_SOFTRESET>;
+		};
 	};
 };