# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/clock/renesas,9series.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Renesas 9-series I2C PCIe clock generators description: | The Renesas 9-series are I2C PCIe clock generators providing from 1 to 20 output clocks. When referencing the provided clock in the DT using phandle and clock specifier, the following mapping applies: - 9FGV0241: 0 -- DIF0 1 -- DIF1 - 9FGV0441: 0 -- DIF0 1 -- DIF1 2 -- DIF2 3 -- DIF3 - 9FGV0841: 0 -- DIF0 1 -- DIF1 2 -- DIF2 3 -- DIF3 4 -- DIF4 5 -- DIF5 6 -- DIF6 7 -- DIF7 maintainers: - Marek Vasut properties: compatible: enum: - renesas,9fgv0241 - renesas,9fgv0441 - renesas,9fgv0841 reg: description: I2C device address enum: [ 0x68, 0x6a ] '#clock-cells': const: 1 clocks: items: - description: XTal input clock renesas,out-amplitude-microvolt: enum: [ 600000, 700000, 800000, 900000 ] description: Output clock signal amplitude renesas,out-spread-spectrum: $ref: /schemas/types.yaml#/definitions/uint32 enum: [ 100000, 99750, 99500 ] description: Output clock down spread in pcm (1/1000 of percent) patternProperties: "^DIF[0-19]$": type: object description: Description of one of the outputs (DIF0..DIF19). properties: renesas,slew-rate: $ref: /schemas/types.yaml#/definitions/uint32 enum: [ 2000000, 3000000 ] description: Output clock slew rate select in V/ns additionalProperties: false required: - compatible - reg - clocks - '#clock-cells' additionalProperties: false examples: - | /* 25MHz reference crystal */ ref25: ref25m { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <25000000>; }; i2c@0 { reg = <0x0 0x100>; #address-cells = <1>; #size-cells = <0>; rs9: clock-generator@6a { compatible = "renesas,9fgv0241"; reg = <0x6a>; #clock-cells = <1>; clocks = <&ref25m>; DIF0 { renesas,slew-rate = <3000000>; }; }; }; ...