[PATCH v4 4/4] arm64: dts: allwinner: a523: enable IR on the Avaota A1

Justin Suess <[email protected]> Mon, 27 Jul 2026 22:49:16 -0400
Newsgroups dev.linux.lists.linux-sunxi,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-media
Message-ID <[email protected]>
From: Andre Przywara <[email protected]>

The Avaota A1 board has an IR receiver chip on the PCB (next to the
Ethernet jacks), wired to the PI8 pin on the SoC.

Enable the CIR receiver in the main power domain.

Tested on the board with evtest and some random TV remote control.

Signed-off-by: Andre Przywara <[email protected]>
[justin: move the PI8 pinmux node into the dtsi patch]
Signed-off-by: Justin Suess <[email protected]>
---

Notes:

v4:
    - move the PI8 pinmux node into the dtsi patch (Chen-Yu)
    - add my Signed-off-by (Chen-Yu, Andre)

 arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
index 474354fbfcec..994f1e4f0ce7 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
@@ -100,6 +100,12 @@ &gpu {
 	status = "okay";
 };
 
+&ir {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ir_rx_pin>;
+	status = "okay";
+};
+
 &ledc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ledc_ph_pin>;
-- 
2.54.0