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Message-Id: <20250706-rust-next-pwm-working-fan-for-sending-v9-4-42b5ac2101c7@samsung.com>
Date: Sun, 06 Jul 2025 13:45:15 +0200
From: Michal Wilczynski <m.wilczynski@...sung.com>
To: Uwe Kleine-König <ukleinek@...nel.org>, Miguel Ojeda
<ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng
<boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
Björn Roy Baron <bjorn3_gh@...tonmail.com>, Andreas
Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, Trevor
Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, Michal
Wilczynski <m.wilczynski@...sung.com>, Guo Ren <guoren@...nel.org>, Fu Wei
<wefu@...hat.com>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
<krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Paul Walmsley
<paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou
<aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, Marek Szyprowski
<m.szyprowski@...sung.com>, Benno Lossin <lossin@...nel.org>, Michael
Turquette <mturquette@...libre.com>, Drew Fustini <fustini@...nel.org>,
Benno Lossin <lossin@...nel.org>, Drew Fustini <fustini@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org,
rust-for-linux@...r.kernel.org, linux-riscv@...ts.infradead.org,
devicetree@...r.kernel.org, Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org>
Subject: [PATCH v9 4/6] dt-bindings: pwm: thead: Add T-HEAD TH1520 PWM
controller
Add the Device Tree binding documentation for the T-HEAD
TH1520 SoC PWM controller.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Tested-by: Drew Fustini <fustini@...nel.org>
Signed-off-by: Michal Wilczynski <m.wilczynski@...sung.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@...sung.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@...c01c000 {
+ compatible = "thead,th1520-pwm";
+ reg = <0xff 0xec01c000 0x0 0x4000>;
+ clocks = <&clk CLK_PWM>;
+ #pwm-cells = <3>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 2449178a6d7b83b5202f8209c0b38e8302bc6b15..b58853a503875f16a338274eba080f31c3442f9f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21522,6 +21522,7 @@ 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
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