| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/clock/bitmain,bm1880-clk.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Bitmain BM1880 Clock Controller |
| |
| maintainers: |
| - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> |
| |
| description: | |
| The Bitmain BM1880 clock controller generates and supplies clock to |
| various peripherals within the SoC. |
| |
| This binding uses common clock bindings |
| [1] Documentation/devicetree/bindings/clock/clock-bindings.txt |
| |
| properties: |
| compatible: |
| const: bitmain,bm1880-clk |
| |
| reg: |
| items: |
| - description: pll registers |
| - description: system registers |
| |
| reg-names: |
| items: |
| - const: pll |
| - const: sys |
| |
| clocks: |
| maxItems: 1 |
| |
| clock-names: |
| const: osc |
| |
| '#clock-cells': |
| const: 1 |
| |
| required: |
| - compatible |
| - reg |
| - reg-names |
| - clocks |
| - clock-names |
| - '#clock-cells' |
| |
| additionalProperties: false |
| |
| examples: |
| # Clock controller node: |
| - | |
| clk: clock-controller@e8 { |
| compatible = "bitmain,bm1880-clk"; |
| reg = <0xe8 0x0c>, <0x800 0xb0>; |
| reg-names = "pll", "sys"; |
| clocks = <&osc>; |
| clock-names = "osc"; |
| #clock-cells = <1>; |
| }; |
| |
| # Example UART controller node that consumes clock generated by the clock controller: |
| - | |
| uart0: serial@58018000 { |
| compatible = "snps,dw-apb-uart"; |
| reg = <0x58018000 0x2000>; |
| clocks = <&clk 45>, <&clk 46>; |
| clock-names = "baudclk", "apb_pclk"; |
| interrupts = <0 9 4>; |
| reg-shift = <2>; |
| reg-io-width = <4>; |
| }; |
| |
| ... |