[PATCH 1/3] dt-bindings: clk: sprd: Add bindings for ums512 clock controller

From: Chunyan Zhang
Date: Wed Sep 15 2021 - 05:10:06 EST


From: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>

Add a new bindings to describe ums512 clock compatible strings.

Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
---
.../bindings/clock/sprd,ums512-clk.yaml | 106 ++++++++++++++++++
1 file changed, 106 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..7e51b49b931c
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml
@@ -0,0 +1,106 @@
+# 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@xxxxxxxxx>
+ - Baolin Wang <baolin.wang7@xxxxxxxxx>
+ - Chunyan Zhang <zhang.lyra@xxxxxxxxx>
+
+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"
+
+ The 'reg' property for the clock node is also required if there is a sub
+ range of registers for the clocks.
+
+additionalProperties: false
+
+examples:
+ - |
+ ap_clk: clock-controller@20200000 {
+ compatible = "sprd,ums512-ap-clk";
+ reg = <0x20200000 0x1000>;
+ clocks = <&ext_26m>;
+ clock-names = "ext-26m";
+ #clock-cells = <1>;
+ };
+
+ - |
+ ap_apb_regs: syscon@71000000 {
+ compatible = "sprd,ums512-glbregs", "syscon", "simple-mfd";
+ reg = <0x71000000 0x3000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x71000000 0x3000>;
+
+ apahb_gate: apahb-gate@0 {
+ compatible = "sprd,ums512-apahb-gate";
+ reg = <0x0 0x2000>;
+ #clock-cells = <1>;
+ };
+ };
+...
--
2.25.1