linux-kernel - [PATCH 08/15] dt-bindings: clock: Document ma35d1 clock controller bindings

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Date:   Wed, 15 Mar 2023 07:28:55 +0000
From:   Jacky Huang <ychuang570808@...il.com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        lee@...nel.org, mturquette@...libre.com, sboyd@...nel.org,
        p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
        jirislaby@...nel.org
Cc:     devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        schung@...oton.com, Jacky Huang <ychuang3@...oton.com>
Subject: [PATCH 08/15] dt-bindings: clock: Document ma35d1 clock controller bindings

From: Jacky Huang <ychuang3@...oton.com>

Add documentation to describe nuvoton ma35d1 clock driver bindings.

Signed-off-by: Jacky Huang <ychuang3@...oton.com>
---
 .../bindings/clock/nuvoton,ma35d1-clk.yaml    | 83 +++++++++++++++++++
 1 file changed, 83 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..5c2dea071b38
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/nuvoton,ma35d1-clk.yaml
@@ -0,0 +1,83 @@
+# 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 Controller 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:
+    include/dt-bindings/clock/ma35d1-clk.h
+
+properties:
+  compatible:
+    items:
+      - const: nuvoton,ma35d1-clk
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: clk_hxt
+
+  assigned-clocks:
+    maxItems: 5
+
+  assigned-clock-rates:
+    maxItems: 5
+
+  nuvoton,pll-mode:
+    description:
+      A list of PLL operation mode corresponding to CAPLL, DDRPLL, APLL,
+      EPLL, and VPLL in sequential. The operation mode value 0 is for
+      integer mode, 1 is for fractional mode, and 2 is for spread
+      spectrum mode.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    maxItems: 5
+    items:
+      minimum: 0
+      maximum: 2
+
+  nuvoton,sys:
+    description:
+      Phandle to the system management controller.
+    $ref: "/schemas/types.yaml#/definitions/phandle-array"
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+  - clocks
+  - clock-names
+  - nuvoton,sys
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+
+    clk: clock-controller@...60200 {
+        compatible = "nuvoton,ma35d1-clk", "syscon";
+        reg = <0x40460200 0x100>;
+        #clock-cells = <1>;
+        clocks = <&clk_hxt>;
+        clock-names = "clk_hxt";
+        nuvoton,sys = <&sys>;
+    };
+...
-- 
2.34.1