linux-kernel - [PATCH v3 1/4] dt-bindings: clk: sprd: Add bindings for ums512 clock controller

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Message-Id: <20210918045114.387005-2-zhang.lyra@gmail.com>
Date:   Sat, 18 Sep 2021 12:51:11 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        Baolin Wang <baolin.wang7@...il.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 1/4] dt-bindings: clk: sprd: Add bindings for ums512 clock controller

From: Chunyan Zhang <chunyan.zhang@...soc.com>

Add a new bindings to describe ums512 clock compatible strings.

Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
---
 .../bindings/clock/sprd,ums512-clk.yaml       | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml

diff --git a/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml b/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml
new file mode 100644
index 000000000000..4431767c84bc
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2019-2021 Unisoc Inc.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/clock/sprd,ums512-clk.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: UMS512 Clock Control Unit Device Tree Bindings
+
+maintainers:
+  - Orson Zhai <orsonzhai@...il.com>
+  - Baolin Wang <baolin.wang7@...il.com>
+  - Chunyan Zhang <zhang.lyra@...il.com>
+
+properties:
+  "#clock-cells":
+    const: 1
+
+  compatible:
+    enum:
+      - sprd,ums512-apahb-gate
+      - sprd,ums512-ap-clk
+      - sprd,ums512-aonapb-clk
+      - sprd,ums512-pmu-gate
+      - sprd,ums512-g0-pll
+      - sprd,ums512-g2-pll
+      - sprd,ums512-g3-pll
+      - sprd,ums512-gc-pll
+      - sprd,ums512-aon-gate
+      - sprd,ums512-audcpapb-gate
+      - sprd,ums512-audcpahb-gate
+      - sprd,ums512-gpu-clk
+      - sprd,ums512-mm-clk
+      - sprd,ums512-mm-gate-clk
+      - sprd,ums512-apapb-gate
+
+  clocks:
+    minItems: 1
+    maxItems: 4
+    description: |
+      The input parent clock(s) phandle for this clock, only list fixed
+      clocks which are declared in devicetree.
+
+  clock-names:
+    minItems: 1
+    maxItems: 4
+    items:
+      - const: ext-26m
+      - const: ext-32k
+      - const: ext-4m
+      - const: rco-100m
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - '#clock-cells'
+
+if:
+  properties:
+    compatible:
+      enum:
+        - sprd,ums512-ap-clk
+        - sprd,ums512-aonapb-clk
+        - sprd,ums512-mm-clk
+then:
+  required:
+    - reg
+
+else:
+  description: |
+    Other UMS512 clock nodes should be the child of a syscon node in
+    which compatible string should be:
+            "sprd,ums512-glbregs", "syscon", "simple-mfd"
+
+additionalProperties: false
+
+examples:
+  - |
+    ap_clk: clock-controller@...00000 {
+      compatible = "sprd,ums512-ap-clk";
+      reg = <0x20200000 0x1000>;
+      clocks = <&ext_26m>;
+      clock-names = "ext-26m";
+      #clock-cells = <1>;
+    };
+...
-- 
2.25.1