[PATCH v15 5/7] dt-bindings: pwm: thead: Add T-HEAD TH1520 PWM controller

Michal Wilczynski
2025-09-30T12:27:49Z

Add the Device Tree binding documentation for the T-HEAD
TH1520 SoC PWM controller.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Drew Fustini <fustini@kernel.org>
Reviewed-by: Elle Rhumsaa <elle@weathered-steel.dev>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
---
.../devicetree/bindings/pwm/thead,th1520-pwm.yaml | 48 ++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 49 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml b/Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..855aec59ac53c430adc849271235686e87b10e6c
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/thead,th1520-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: T-HEAD TH1520 PWM controller
+
+maintainers:
+ - Michal Wilczynski <m.wilczynski@samsung.com>
+
+allOf:
+ - $ref: pwm.yaml#
+
+properties:
+ compatible:
+ const: thead,th1520-pwm
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: SoC PWM clock
+
+ "#pwm-cells":
+ const: 3
+
+required:
+ - compatible
+ - reg
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/thead,th1520-clk-ap.h>
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ pwm@ffec01c000 {
+ compatible = "thead,th1520-pwm";
+ reg = <0xff 0xec01c000 0x0 0x4000>;
+ clocks = <&clk CLK_PWM>;
+ #pwm-cells = <3>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index d79dc21f22d143ca8cde6a06194545fbc640e695..a64027f441e8e23c579b469b2451b514e5d2802c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21732,6 +21732,7 @@ F: Documentation/devicetree/bindings/firmware/thead,th1520-aon.yaml
F: Documentation/devicetree/bindings/mailbox/thead,th1520-mbox.yaml
F: Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
F: Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml
+F: Documentation/devicetree/bindings/pwm/thead,th1520-pwm.yaml
F: Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
F: arch/riscv/boot/dts/thead/
F: drivers/clk/thead/clk-th1520-ap.c

--
2.34.1