Add devicetree binding document and related header file for the T-HEAD TH1520 clock. Cc: Icenowy Zheng <uwu@xxxxxxxxxx> Cc: Wei Fu <wefu@xxxxxxxxxx> Cc: Jisheng Zhang <jszhang@xxxxxxxxxx> Signed-off-by: Yangtao Li <frank.li@xxxxxxxx> --- .../bindings/clock/thead,th1520-ccu.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml diff --git a/Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml b/Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml new file mode 100644 index 000000000000..c3e2d8c7efa6 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/thead,th1520-ccu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD Clock Control Unit + +maintainers: + - Jisheng Zhang <jszhang@xxxxxxxxxx> + - Wei Fu <wefu@xxxxxxxxxx> + - Yangtao Li <frank.li@xxxxxxxx> + + +properties: + "#clock-cells": + const: 1 + + "#reset-cells": + const: 1 + + compatible: + enum: + - thead,th1520-ccu + + reg: + maxItems: 1 + + clocks: + const: 2 + items: + - description: High Frequency Oscillator (usually at 24MHz) + - description: Low Frequency Oscillator (usually at 32kHz) + + clock-names: + const: 2 + items: + - const: hosc + - const: losc + +required: + - "#clock-cells" + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + clk: clock-controller@ffef010000 { + compatible = "thead,th1520-ccu"; + reg = <0xff 0xef010000 0x0 0x1000>; + clocks = <&osc32k>, <&osc24m>; + clock-names = "losc", "hosc"; + #clock-cells = <1>; + }; + +... -- 2.39.0
