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Message-Id: <1397226820-5604-9-git-send-email-gabriel.fernandez@linaro.org>
Date:	Fri, 11 Apr 2014 16:33:35 +0200
From:	Gabriel FERNANDEZ <gabriel.fernandez@...com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Grant Likely <grant.likely@...aro.org>
Cc:	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-input@...r.kernel.org, kernel@...inux.com,
	Lee Jones <lee.jones@...aro.org>,
	Gabriel Fernandez <gabriel.fernandez@...aro.org>,
	Giuseppe Condorelli <giuseppe.condorelli@...com>
Subject: [PATCH v3 5/7] 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.

Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@...com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...aro.org>
---
 arch/arm/boot/dts/stih416-pinctrl.dtsi | 16 ++++++++++++++++
 arch/arm/boot/dts/stih416.dtsi         | 12 ++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index aeea304..6252188 100644
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -122,6 +122,22 @@
 				};
 			};
 
+			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 78746d2..d3bc263 100644
--- a/arch/arm/boot/dts/stih416.dtsi
+++ b/arch/arm/boot/dts/stih416.dtsi
@@ -224,5 +224,17 @@
 
 			status = "disabled";
 		};
+
+		keyscan: keyscan@...b0000 {
+			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>;
+		};
 	};
 };
-- 
1.9.1

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