From: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx> Document the device tree bindings of the rockchip Rk3588 SoC clock driver. Signed-off-by: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> --- .../bindings/clock/rockchip,rk3588-cru.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml new file mode 100644 index 000000000000..6e65ee7b0092 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/rockchip,rk3588-cru.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip rk3588 Family Clock Control Module + +maintainers: + - Elaine Zhang <zhangqing@xxxxxxxxxxxxxx> + - Heiko Stuebner <heiko@xxxxxxxxx> + +description: | + The RK3588 clock controller generates the clock and also implements a + reset controller for SoC peripherals. + (examples: provide SCLK_UART2\PCLK_UART2 and SRST_P_UART2\SRST_S_UART2 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/rk3588-cru.h headers and can be + used in device tree sources. + +properties: + compatible: + enum: + - rockchip,rk3588-cru + + reg: + maxItems: 1 + + "#clock-cells": + const: 1 + + "#reset-cells": + const: 1 + + rockchip,grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: > + phandle to the syscon managing the "general register files". It is used + for GRF muxes, if missing any muxes present in the GRF will not be + available. + + clocks: true + assigned-clocks: true + assigned-clock-rates: true + +required: + - compatible + - reg + - "#clock-cells" + - "#reset-cells" + +additionalProperties: false + +examples: + # Clock Control Module node: + - | + cru: clock-controller@fd7c0000 { + compatible = "rockchip,rk3588-cru"; + reg = <0xfd7c0000 0x5c000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; -- 2.35.1
