[PATCH v3 10/19] dt-bindings: clock: rockchip: Document RV1126 CRU

Jagan Teki
2022-08-18T13:08:52Z

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 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

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>;
+ };