linux-kernel - [PATCH v2 2/5] ARM: STi: DT: add keyscan for stih415

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Date:	Tue, 18 Mar 2014 16:00:03 +0100
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>,
	Giuseppe CONDORELLI <giuseppe.condorelli@...com>,
	Gabriel Fernandez <gabriel.fernandez@...com>
Subject: [PATCH v2 2/5] ARM: STi: DT: add keyscan for stih415

From: Giuseppe CONDORELLI <giuseppe.condorelli@...com>

Add keyscan support for stih415.
It is put disabled by default because 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@...com>
---
 arch/arm/boot/dts/stih415-pinctrl.dtsi | 16 ++++++++++++++++
 arch/arm/boot/dts/stih415.dtsi         | 10 ++++++++++
 2 files changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/stih415-pinctrl.dtsi b/arch/arm/boot/dts/stih415-pinctrl.dtsi
index e56449d..3e5e074 100644
--- a/arch/arm/boot/dts/stih415-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih415-pinctrl.dtsi
@@ -87,6 +87,22 @@
 				};
 			};
 
+			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/stih415.dtsi b/arch/arm/boot/dts/stih415.dtsi
index d9c7dd1..bda9e23 100644
--- a/arch/arm/boot/dts/stih415.dtsi
+++ b/arch/arm/boot/dts/stih415.dtsi
@@ -136,5 +136,15 @@
 
 			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>;
+		};
 	};
 };
-- 
1.9.0

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