linux-kernel - [PATCH v2 1/4] dt-binding: clock: Document rockchip,rk3568-cru bindings

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Date:   Fri, 26 Feb 2021 16:22:31 +0800
From:   Elaine Zhang <zhangqing@...k-chips.com>
To:     mturquette@...libre.com, robh+dt@...nel.org, sboyd@...nel.org,
        heiko@...ech.de
Cc:     devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        cl@...k-chips.com, huangtao@...k-chips.com,
        kever.yang@...k-chips.com, tony.xie@...k-chips.com,
        finley.xiao@...k-chips.com, Elaine Zhang <zhangqing@...k-chips.com>
Subject: [PATCH v2 1/4] dt-binding: clock: Document rockchip,rk3568-cru bindings

Document the device tree bindings of the rockchip Rk3568 SoC
clock driver in Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml.

Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
---
 .../bindings/clock/rockchip,rk3568-cru.yaml   | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml

diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml
new file mode 100644
index 000000000000..612da341ea67
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/rockchip,rk3568-cru.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ROCKCHIP rk3568 Family Clock Control Module Binding
+
+maintainers:
+  - Elaine Zhang <zhangqing@...k-chips.com>
+
+description: |
+  The RK3568 clock controller generates and supplies clock to various
+  controllers within the SoC and also implements a reset controller for SoC
+  peripherals.
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3568-cru
+      - rockchip,rk3568-pmucru
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  # Clock Control Module node:
+  - |
+    pmucru: clock-controller@...00000 {
+      compatible = "rockchip,rk3568-pmucru";
+      reg = <0x0 0xfdd00000 0x0 0x1000>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+    };
+  - |
+    cru: clock-controller@...20000 {
+      compatible = "rockchip,rk3568-cru";
+      reg = <0x0 0xfdd20000 0x0 0x1000>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+    };
-- 
2.17.1