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[09/22] dt-bindings: clock: rockchip: Document RV1126 CRU

Message ID 20220723204335.750095-10-jagan@edgeble.ai
State Superseded
Headers show
Series [01/22] dt-bindings: power: rockchip: Document RV1126 power-controller | expand

Commit Message

Jagan Teki July 23, 2022, 8:43 p.m. UTC 
Document dt-bindings for Rockchip RV1126 clock controller.

Cc: linux-clk@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
---
 .../bindings/clock/rockchip,rv1126-cru.yaml   | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rv1126-cru.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/clock/rockchip,rv1126-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rv1126-cru.yaml
new file mode 100644
index 000000000000..cf4f11709125
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/rockchip,rv1126-cru.yaml
@@ -0,0 +1,70 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/rockchip,rv1126-cru.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ROCKCHIP RV1126 Family Clock Control Module Binding
+
+maintainers:
+  - Jagan Teki <jagan@edgeble.ai>
+  - Finley Xiao <finley.xiao@rock-chips.com>
+  - Heiko Stuebner <heiko@sntech.de>
+
+description: |
+  The RV1126 clock controller generates the clock and also implements a
+  reset controller for SoC peripherals.
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rv1126-cru
+      - rockchip,rv1126-pmucru
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 1
+
+  "#reset-cells":
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: xin24m
+
+  rockchip,grf:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the syscon managing the "general register files" (GRF),
+      if missing pll rates are not changeable, due to the missing pll
+      lock status.
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    pmucru: clock-controller@ff480000 {
+      compatible = "rockchip,rv1126-pmucru";
+      reg = <0xff480000 0x1000>;
+      rockchip,grf = <&grf>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+    };
+  - |
+    cru: clock-controller@ff490000 {
+      compatible = "rockchip,rv1126-cru";
+      reg = <0xff490000 0x1000>;
+      rockchip,grf = <&grf>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+    };