[PATCH 3/5] ARM: STi: DT: add keyscan for stih416

[Gabriel FERNANDEZ]

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@xxxxxx>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxx>
---
 arch/arm/boot/dts/stih416-pinctrl.dtsi | 16 ++++++++++++++++
 arch/arm/boot/dts/stih416.dtsi         | 10 ++++++++++
 2 files changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index b29ff4b..4e0ebed 100644
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -98,6 +98,22 @@
 				};
 			};
 
+			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 b7ab47b..9f20b21 100644
--- a/arch/arm/boot/dts/stih416.dtsi
+++ b/arch/arm/boot/dts/stih416.dtsi
@@ -145,5 +145,15 @@
 
 			status		= "disabled";
 		};
+
+		keyscan: keyscan@fe4b0000 {
+			compatible = "st,keypad";
+			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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