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

Chen-Yu Tsai
2026-02-25T16:15:05Z

On Thu, Feb 26, 2026 at 12:08 AM Chen-Yu Tsai <wens@kernel.org> wrote:
>
> 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 {

I Forgot to rebase this patch before the thermal sensor one in my tree.
I can fix this when applying, so please still review the patch.

ChenYu

> compatible = "allwinner,sun55i-a523-ths1";
> reg = <0x02009400 0x400>;
> --
> 2.47.3
>