linux-kernel - [PATCH 2/3] dt-bindings: clock: Document MA35D1 clock controller bindings

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Message-ID: <20220331024256.14762-3-ychuang3@nuvoton.com>
Date:   Thu, 31 Mar 2022 10:42:55 +0800
From:   Jacky Huang <ychuang3@...oton.com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
CC:     <robh+dt@...nel.org>, <sboyd@...nel.org>, <krzk+dt@...nel.org>,
        <arnd@...db.de>, <olof@...om.net>, <soc@...nel.org>,
        <cfli0@...oton.com>, Jacky Huang <ychuang3@...oton.com>
Subject: [PATCH 2/3] dt-bindings: clock: Document MA35D1 clock controller bindings

Add documentation to describe Nuvoton MA35D1 clock driver bindings.

Signed-off-by: Jacky Huang <ychuang3@...oton.com>
---
 .../bindings/clock/nuvoton,ma35d1-clk.yaml    | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/nuvoton,ma35d1-clk.yaml

diff --git a/Documentation/devicetree/bindings/clock/nuvoton,ma35d1-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,ma35d1-clk.yaml
new file mode 100644
index 000000000000..bf5474b10420
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/nuvoton,ma35d1-clk.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/nuvoton,ma35d1-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton MA35D1 Clock Control Module Binding
+
+maintainers:
+  - Chi-Fang Li <cfli0@...oton.com>
+  - Jacky Huang <ychuang3@...oton.com>
+
+description: |
+  The MA35D1 clock controller generates clocks for the whole chip,
+  including system clocks and all peripheral clocks.
+
+  See also:
+    dt-bindings/clock/ma35d1-clk.h
+
+properties:
+  compatible:
+    const: nuvoton,ma35d1-clk
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  assigned-clocks:
+    maxItems: 4
+
+  assigned-clock-rates:
+    maxItems: 4
+
+  clock-pll-mode:
+    maxItems: 4
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+
+additionalProperties: false
+
+examples:
+  # clock control module node:
+  - |
+    #include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+
+    clk: clock-controller@...60200 {
+        compatible = "nuvoton,ma35d1-clk";
+        reg = <0x40460200 0x100>;
+        #clock-cells = <1>;
+    };
+...
-- 
2.30.2