[PATCH v3] ARM64: dts: meson-axg: enable IR controller

[Yixun Lan <yixun.lan@amlogic.com>]

Enable IR remote controller which found in Amlogic's Meson-AXG SoCs.

Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>

---

Changes since v2 at [2]
 - rebase to Kevin's v4.16/dt64 branch
 - this patch depend on pinctrl DT driver

Changes since v1 at [1]:
 - drop the compatbile 'amlogic,meson-gx-ir'

[2]
http://lists.infradead.org/pipermail/linux-amlogic/2017-December/005574.html

[1]
 http://lists.infradead.org/pipermail/linux-amlogic/2017-November/005527.html
---
 arch/arm64/boot/dts/amlogic/meson-axg-s400.dts |  6 ++++++
 arch/arm64/boot/dts/amlogic/meson-axg.dtsi     | 14 ++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index 70eca1f8736a..e85fb665f12e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -20,3 +20,9 @@
 &uart_AO {
 	status = "okay";
 };
+
+&ir {
+	status = "okay";
+	pinctrl-0 = <&remote_input_ao_pins>;
+	pinctrl-names = "default";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index a0d7b10da512..1cd34141a5c1 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -223,6 +223,13 @@
 					#gpio-cells = <2>;
 					gpio-ranges = <&pinctrl_aobus 0 0 15>;
 				};
+
+				remote_input_ao_pins: remote_input_ao {
+					mux {
+						groups = "remote_input_ao";
+						function = "remote_input_ao";
+					};
+				};
 			};
 
 			uart_AO: serial@3000 {
@@ -242,6 +249,13 @@
 				clock-names = "xtal", "pclk", "baud";
 				status = "disabled";
 			};
+
+			ir: ir@8000 {
+				compatible = "amlogic,meson-gxbb-ir";
+				reg = <0x0 0x8000 0x0 0x20>;
+				interrupts = <GIC_SPI 196 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+			};
 		};
 	};
 };
-- 
2.15.1