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 {