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[v5,3/6] dt-bindings: clock: rockchip: Document RV1126 CRU

Message ID 20220915163947.1922183-4-jagan@edgeble.ai (mailing list archive)
State New, archived
Headers show
Series ARM: Add Rockchip RV1126 support | expand

Commit Message

Jagan Teki Sept. 15, 2022, 4:39 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>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
---
Changes for v5:
- none
Changes for v4:
- rebase on -next 
Changes for v3:
- none
Changes for v2:
- fixed title
- remove '|' in description
- add one example

 .../bindings/clock/rockchip,rv1126-cru.yaml   | 62 +++++++++++++++++++
 1 file changed, 62 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..0998f8b922bd
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/rockchip,rv1126-cru.yaml
@@ -0,0 +1,62 @@ 
+# 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 Clock and Reset Unit
+
+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:
+  - |
+    cru: clock-controller@ff490000 {
+      compatible = "rockchip,rv1126-cru";
+      reg = <0xff490000 0x1000>;
+      rockchip,grf = <&grf>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+    };