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@xxxxxxxxxxxxxx> Reviewed-by: Kever Yang <kever.yang@xxxxxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../bindings/clock/rockchip,rk3568-cru.yaml | 60 +++++++++++++++++++ 1 file changed, 60 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..b2c26097827f --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%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@xxxxxxxxxxxxxx> + - Heiko Stuebner <heiko@xxxxxxxxx> + +description: | + The RK3568 clock controller generates the clock and also implements a + reset controller for SoC peripherals. + (examples: provide SCLK_UART1\PCLK_UART1 and SRST_P_UART1\SRST_S_UART1 for UART module) + Each clock is assigned an identifier and client nodes can use this identifier + to specify the clock which they consume. All available clocks are defined as + preprocessor macros in the dt-bindings/clock/rk3568-cru.h headers and can be + used in device tree sources. + +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@fdd00000 { + compatible = "rockchip,rk3568-pmucru"; + reg = <0xfdd00000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + - | + cru: clock-controller@fdd20000 { + compatible = "rockchip,rk3568-cru"; + reg = <0xfdd20000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; -- 2.17.1
