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Diffstat (limited to 'Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml')
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diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml b/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml new file mode 100644 index 0000000000..9185d10173 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml @@ -0,0 +1,241 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/renesas,cpg-clocks.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas Clock Pulse Generator (CPG) + +maintainers: + - Geert Uytterhoeven <geert+renesas@glider.be> + +description: + The Clock Pulse Generator (CPG) generates core clocks for the SoC. It + includes PLLs, and fixed and variable ratio dividers. + + The CPG may also provide a Clock Domain for SoC devices, in combination with + the CPG Module Stop (MSTP) Clocks. + +properties: + compatible: + oneOf: + - const: renesas,r8a73a4-cpg-clocks # R-Mobile APE6 + - const: renesas,r8a7740-cpg-clocks # R-Mobile A1 + - const: renesas,r8a7778-cpg-clocks # R-Car M1 + - const: renesas,r8a7779-cpg-clocks # R-Car H1 + - items: + - enum: + - renesas,r7s72100-cpg-clocks # RZ/A1H + - const: renesas,rz-cpg-clocks # RZ/A1 + - const: renesas,sh73a0-cpg-clocks # SH-Mobile AG5 + + reg: + maxItems: 1 + + clocks: true + + '#clock-cells': + const: 1 + + clock-output-names: true + + renesas,mode: + description: Board-specific settings of the MD_CK* bits on R-Mobile A1 + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 7 + + '#power-domain-cells': + const: 0 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + - clock-output-names + +allOf: + - if: + properties: + compatible: + contains: + const: renesas,r8a73a4-cpg-clocks + then: + properties: + clocks: + items: + - description: extal1 + - description: extal2 + + clock-output-names: + items: + - const: main + - const: pll0 + - const: pll1 + - const: pll2 + - const: pll2s + - const: pll2h + - const: z + - const: z2 + - const: i + - const: m3 + - const: b + - const: m1 + - const: m2 + - const: zx + - const: zs + - const: hp + + - if: + properties: + compatible: + contains: + const: renesas,r8a7740-cpg-clocks + then: + properties: + clocks: + items: + - description: extal1 + - description: extal2 + - description: extalr + + clock-output-names: + items: + - const: system + - const: pllc0 + - const: pllc1 + - const: pllc2 + - const: r + - const: usb24s + - const: i + - const: zg + - const: b + - const: m1 + - const: hp + - const: hpp + - const: usbp + - const: s + - const: zb + - const: m3 + - const: cp + + required: + - renesas,mode + + - if: + properties: + compatible: + contains: + const: renesas,r8a7778-cpg-clocks + then: + properties: + clocks: + maxItems: 1 + + clock-output-names: + items: + - const: plla + - const: pllb + - const: b + - const: out + - const: p + - const: s + - const: s1 + + - if: + properties: + compatible: + contains: + const: renesas,r8a7779-cpg-clocks + then: + properties: + clocks: + maxItems: 1 + + clock-output-names: + items: + - const: plla + - const: z + - const: zs + - const: s + - const: s1 + - const: p + - const: b + - const: out + + - if: + properties: + compatible: + contains: + const: renesas,r7s72100-cpg-clocks + then: + properties: + clocks: + items: + - description: extal1 + - description: usb_x1 + + clock-output-names: + items: + - const: pll + - const: i + - const: g + + - if: + properties: + compatible: + contains: + const: renesas,sh73a0-cpg-clocks + then: + properties: + clocks: + items: + - description: extal1 + - description: extal2 + + clock-output-names: + items: + - const: main + - const: pll0 + - const: pll1 + - const: pll2 + - const: pll3 + - const: dsi0phy + - const: dsi1phy + - const: zg + - const: m3 + - const: b + - const: m1 + - const: m2 + - const: z + - const: zx + - const: hp + + - if: + properties: + compatible: + contains: + enum: + - renesas,r8a7778-cpg-clocks + - renesas,r8a7779-cpg-clocks + - renesas,rz-cpg-clocks + then: + required: + - '#power-domain-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r8a7740-clock.h> + cpg_clocks: cpg_clocks@e6150000 { + compatible = "renesas,r8a7740-cpg-clocks"; + reg = <0xe6150000 0x10000>; + clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>; + #clock-cells = <1>; + clock-output-names = "system", "pllc0", "pllc1", "pllc2", "r", + "usb24s", "i", "zg", "b", "m1", "hp", "hpp", + "usbp", "s", "zb", "m3", "cp"; + renesas,mode = <0x05>; + }; |