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@xxxxxxxxx> --- Tested with PWM sysfs and a logic analyzer on the Lager development board using DT overlays available from [1]. To be queued in renesas-devel-for-v6.4. [1] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/log/?h=topic/renesas-overlays arch/arm/boot/dts/r8a7790.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index 2f2e483a2c2ac7f1..7211a5bb18a3b3df 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -376,6 +376,17 @@ pfc: pinctrl@e6060000 { 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>; -- 2.34.1
