ARM: dts: suniv: f1c100s: add PWM node

The Allwinner F1C100s family of SoCs contain a PWM controller compatible
to the one used in the A20 chip.
Add the DT node so that any users can simply enable it in their board
DT.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20221107005433.11079-3-andre.przywara@arm.com
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>

diff --git a/arch/arm/boot/dts/suniv-f1c100s.dtsi b/arch/arm/boot/dts/suniv-f1c100s.dtsi
index 0edc172..419d933 100644 (file)
--- a/arch/arm/boot/dts/suniv-f1c100s.dtsi
+++ b/arch/arm/boot/dts/suniv-f1c100s.dtsi
@@ -192,6 +192,15 @@
                        clocks = <&osc32k>;
                };
 
+               pwm: pwm@1c21000 {
+                       compatible = "allwinner,suniv-f1c100s-pwm",
+                                    "allwinner,sun7i-a20-pwm";
+                       reg = <0x01c21000 0x400>;
+                       clocks = <&osc24M>;
+                       #pwm-cells = <3>;
+                       status = "disabled";
+               };
+
                uart0: serial@1c25000 {
                        compatible = "snps,dw-apb-uart";
                        reg = <0x01c25000 0x400>;