linux-kernel - [PATCH v4 1/2] dt-bindings: pwm: Add bindings doc for Sunplus SoC SP7021 PWM Driver

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Date:   Tue, 22 Mar 2022 18:43:00 +0800
From:   Hammer Hsieh <hammerh0314@...il.com>
To:     thierry.reding@...il.com, u.kleine-koenig@...gutronix.de,
        lee.jones@...aro.org, robh+dt@...nel.org,
        linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     wells.lu@...plus.com, hammer.hsieh@...plus.com,
        Hammer Hsieh <hammerh0314@...il.com>
Subject: [PATCH v4 1/2] dt-bindings: pwm: Add bindings doc for Sunplus SoC SP7021 PWM Driver

Add bindings doc for Sunplus SoC SP7021 PWM Driver

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Hammer Hsieh <hammerh0314@...il.com>
---
Changes in v4:
 - no change

 .../bindings/pwm/sunplus,sp7021-pwm.yaml           | 42 ++++++++++++++++++++++
 MAINTAINERS                                        |  5 +++
 2 files changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/sunplus,sp7021-pwm.yaml

diff --git a/Documentation/devicetree/bindings/pwm/sunplus,sp7021-pwm.yaml b/Documentation/devicetree/bindings/pwm/sunplus,sp7021-pwm.yaml
new file mode 100644
index 0000000..d4fc9e8
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/sunplus,sp7021-pwm.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/sunplus,sp7021-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SoC SP7021 PWM Controller
+
+maintainers:
+  - Hammer Hsieh <hammerh0314@...il.com>
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    const: sunplus,sp7021-pwm
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  '#pwm-cells':
+    const: 2
+
+unevaluatedProperties: false
+
+required:
+  - reg
+  - clocks
+
+examples:
+  - |
+    pwm: pwm@...07a00 {
+      compatible = "sunplus,sp7021-pwm";
+      reg = <0x9c007a00 0x80>;
+      clocks = <&clkc 0xa2>;
+      #pwm-cells = <2>;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 2524b75..e1cb7eb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18531,6 +18531,11 @@ L:	netdev@...r.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/dlink/sundance.c
 
+SUNPLUS PWM DRIVER
+M:	Hammer Hsieh <hammerh0314@...il.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/pwm/sunplus,sp7021-pwm.yaml
+
 SUNPLUS RTC DRIVER
 M:	Vincent Shih <vincent.sunplus@...il.com>
 L:	linux-rtc@...r.kernel.org
-- 
2.7.4