[PATCH 2/3] arm64: dts: allwinner: sun55i-a523: Add LED controller

Chen-Yu Tsai
2026-02-25T16:08:38Z

The A523 SoC family features an LED controller that is identical to the
one found on previous SoCs.

Add a device node for it, and one of the possible pinmux settings. This
setting is used on the Avaota A1.

Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
---
.../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index 09bd149bbf51..b8263e2872af 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -170,6 +170,13 @@ i2s2_pi_pins: i2s2-pi-pins {
bias-disable;
};

+ /omit-if-no-ref/
+ ledc_ph_pin: ledc-ph-pin {
+ pins = "PH19";
+ function = "ledc";
+ allwinner,pinmux = <5>;
+ };
+
mmc0_pins: mmc0-pins {
pins = "PF0" ,"PF1", "PF2", "PF3", "PF4", "PF5";
allwinner,pinmux = <2>;
@@ -300,6 +307,21 @@ ccu: clock-controller@2001000 {
#reset-cells = <1>;
};

+ ledc: led-controller@2008000 {
+ compatible = "allwinner,sun55i-a523-ledc",
+ "allwinner,sun50i-a100-ledc";
+ reg = <0x02008000 0x400>;
+ interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_LEDC>, <&ccu CLK_LEDC>;
+ clock-names = "bus", "mod";
+ resets = <&ccu RST_BUS_LEDC>;
+ dmas = <&dma 42>;
+ dma-names = "tx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
ths1: thermal-sensor@2009400 {
compatible = "allwinner,sun55i-a523-ths1";
reg = <0x02009400 0x400>;
--
2.47.3