ARM: dts: r8a7790: Add TPU device node

Add support for the 4 PWM channels provided by the 16-bit Timer Pulse
Unit on R-Car H2, by adding a device node describing the TPU.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/75da1e63135a3fc8a3aaafbff7139bd5d7509be3.1679330727.git.geert+renesas@glider.be

diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index 2f2e483a2c2ac7f16654bf81915ce6adc95c6f43..7211a5bb18a3b3dff3d479beea3774f9f6321dab 100644 (file)
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -376,6 +376,17 @@
                        reg = <0 0xe6060000 0 0x250>;
                };
 
+               tpu: pwm@e60f0000 {
+                       compatible = "renesas,tpu-r8a7790", "renesas,tpu";
+                       reg = <0 0xe60f0000 0 0x148>;
+                       interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 304>;
+                       power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+                       resets = <&cpg 304>;
+                       #pwm-cells = <3>;
+                       status = "disabled";
+               };
+
                cpg: clock-controller@e6150000 {
                        compatible = "renesas,r8a7790-cpg-mssr";
                        reg = <0 0xe6150000 0 0x1000>;