| Message ID | 20220504213251.264819-4-sebastian.reichel@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Basic RK3588 Support | expand |
On Wed, May 04, 2022 at 11:32:33PM +0200, Sebastian Reichel wrote: > From: Elaine Zhang <zhangqing@rock-chips.com> > > Document the device tree bindings of the rockchip Rk3588 SoC > clock driver. > > Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> > Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> > --- > .../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@rock-chips.com> > + - Heiko Stuebner <heiko@sntech.de> > + > +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: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > > + phandle to the syscon managing the "general register files". It is used > + for GRF muxes, if missing any muxes present in the GRF will not be > + available. > + > + clocks: true You have to define how many clocks and what they are. > + assigned-clocks: true > + assigned-clock-rates: true You don't need these. They are allowed in any node with 'clocks' or now '#clock-cells'. > + > +required: > + - compatible > + - reg > + - "#clock-cells" > + - "#reset-cells" > + > +additionalProperties: false > + > +examples: > + # Clock Control Module node: > + - | > + cru: clock-controller@fd7c0000 { > + compatible = "rockchip,rk3588-cru"; > + reg = <0xfd7c0000 0x5c000>; > + #clock-cells = <1>; > + #reset-cells = <1>; > + }; > -- > 2.35.1 > >
diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml new file mode 100644 index 000000000000..6e65ee7b0092 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$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@rock-chips.com> + - Heiko Stuebner <heiko@sntech.de> + +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>; + };