linux-kernel - [PATCH v5 3/3] ARM: sunxi: Add IR controller support in DT on A20

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Date:	Wed, 30 Apr 2014 21:16:50 +0600
From:	Alexander Bersenev <bay@...kerdom.ru>
To:	linux-sunxi@...glegroups.com, david@...deman.nu,
	devicetree@...r.kernel.org, galak@...eaurora.org,
	grant.likely@...aro.org, ijc+devicetree@...lion.org.uk,
	james.hogan@...tec.com, linux-arm-kernel@...ts.infradead.org,
	linux@....linux.org.uk, m.chehab@...sung.com, mark.rutland@....com,
	maxime.ripard@...e-electrons.com, pawel.moll@....com,
	rdunlap@...radead.org, robh+dt@...nel.org, sean@...s.org,
	srinivas.kandagatla@...com, wingrime@...ux-sunxi.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org
Cc:	Alexander Bersenev <bay@...kerdom.ru>
Subject: [PATCH v5 3/3] ARM: sunxi: Add IR controller support in DT on A20

This patch adds IR controller in A20 Device-Tree:
- Two IR devices found in A20 user manual
- Pins for two devices
- One IR device physically found on Cubieboard 2
- One IR device physically found on Cubietruck

Signed-off-by: Alexander Bersenev <bay@...kerdom.ru>
Signed-off-by: Alexsey Shestacov <wingrime@...ux-sunxi.org>
---
 arch/arm/boot/dts/sun7i-a20-cubieboard2.dts |  6 ++++++
 arch/arm/boot/dts/sun7i-a20-cubietruck.dts  |  6 ++++++
 arch/arm/boot/dts/sun7i-a20.dtsi            | 31 +++++++++++++++++++++++++++++
 3 files changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
index feeff64..2564e8c 100644
--- a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
@@ -164,6 +164,12 @@
 				reg = <1>;
 			};
 		};
+
+		ir0: ir@...21800 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&ir0_pins_a>;
+			status = "okay";
+		};
 	};
 
 	leds {
diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
index e288562..e375e89 100644
--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
@@ -232,6 +232,12 @@
 				reg = <1>;
 			};
 		};
+
+		ir0: ir@...21800 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&ir0_pins_a>;
+			status = "okay";
+		};
 	};
 
 	leds {
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 0ae2b77..bb655a5 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -724,6 +724,19 @@
 				allwinner,drive = <2>;
 				allwinner,pull = <0>;
 			};
+
+			ir0_pins_a: ir0@0 {
+				    allwinner,pins = "PB3","PB4";
+				    allwinner,function = "ir0";
+				    allwinner,drive = <0>;
+				    allwinner,pull = <0>;
+			};
+			ir1_pins_a: ir1@0 {
+				    allwinner,pins = "PB22","PB23";
+				    allwinner,function = "ir1";
+				    allwinner,drive = <0>;
+				    allwinner,pull = <0>;
+			};
 		};
 
 		timer@...20c00 {
@@ -937,5 +950,23 @@
 			#interrupt-cells = <3>;
 			interrupts = <1 9 0xf04>;
 		};
+
+       		ir0: ir@...21800 {
+	     		compatible = "allwinner,sun7i-a20-ir";
+			clocks = <&apb0_gates 6>, <&ir0_clk>;
+			clock-names = "apb", "ir";
+			interrupts = <0 5 4>;
+			reg = <0x01c21800 0x40>;
+			status = "disabled";
+		};
+
+       		ir1: ir@...21c00 {
+	     		compatible = "allwinner,sun7i-a20-ir";
+			clocks = <&apb0_gates 7>, <&ir1_clk>;
+			clock-names = "apb", "ir";
+			interrupts = <0 6 4>;
+			reg = <0x01C21c00 0x40>;
+			status = "disabled";
+		};
 	};
 };
-- 
1.9.2

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