1*730f2051SCristian Ciocaltea# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*730f2051SCristian Ciocaltea%YAML 1.2 3*730f2051SCristian Ciocaltea--- 4*730f2051SCristian Ciocaltea$id: http://devicetree.org/schemas/i2c/i2c-owl.yaml# 5*730f2051SCristian Ciocaltea$schema: http://devicetree.org/meta-schemas/core.yaml# 6*730f2051SCristian Ciocaltea 7*730f2051SCristian Ciocalteatitle: Actions Semi Owl I2C Controller 8*730f2051SCristian Ciocaltea 9*730f2051SCristian Ciocalteamaintainers: 10*730f2051SCristian Ciocaltea - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> 11*730f2051SCristian Ciocaltea 12*730f2051SCristian Ciocalteadescription: | 13*730f2051SCristian Ciocaltea This I2C controller is found in the Actions Semi Owl SoCs: 14*730f2051SCristian Ciocaltea S500, S700 and S900. 15*730f2051SCristian Ciocaltea 16*730f2051SCristian CiocalteaallOf: 17*730f2051SCristian Ciocaltea - $ref: /schemas/i2c/i2c-controller.yaml# 18*730f2051SCristian Ciocaltea 19*730f2051SCristian Ciocalteaproperties: 20*730f2051SCristian Ciocaltea compatible: 21*730f2051SCristian Ciocaltea enum: 22*730f2051SCristian Ciocaltea - actions,s500-i2c # Actions Semi S500 compatible SoCs 23*730f2051SCristian Ciocaltea - actions,s700-i2c # Actions Semi S700 compatible SoCs 24*730f2051SCristian Ciocaltea - actions,s900-i2c # Actions Semi S900 compatible SoCs 25*730f2051SCristian Ciocaltea 26*730f2051SCristian Ciocaltea reg: 27*730f2051SCristian Ciocaltea maxItems: 1 28*730f2051SCristian Ciocaltea 29*730f2051SCristian Ciocaltea interrupts: 30*730f2051SCristian Ciocaltea maxItems: 1 31*730f2051SCristian Ciocaltea 32*730f2051SCristian Ciocaltea clocks: 33*730f2051SCristian Ciocaltea description: Phandle of the clock feeding the I2C controller. 34*730f2051SCristian Ciocaltea minItems: 1 35*730f2051SCristian Ciocaltea 36*730f2051SCristian Ciocaltea clock-frequency: 37*730f2051SCristian Ciocaltea description: | 38*730f2051SCristian Ciocaltea Desired I2C bus clock frequency in Hz. As only Standard and Fast 39*730f2051SCristian Ciocaltea modes are supported, possible values are 100000 and 400000. 40*730f2051SCristian Ciocaltea enum: [100000, 400000] 41*730f2051SCristian Ciocaltea 42*730f2051SCristian Ciocaltearequired: 43*730f2051SCristian Ciocaltea - compatible 44*730f2051SCristian Ciocaltea - reg 45*730f2051SCristian Ciocaltea - interrupts 46*730f2051SCristian Ciocaltea - clocks 47*730f2051SCristian Ciocaltea 48*730f2051SCristian CiocalteaunevaluatedProperties: false 49*730f2051SCristian Ciocaltea 50*730f2051SCristian Ciocalteaexamples: 51*730f2051SCristian Ciocaltea - | 52*730f2051SCristian Ciocaltea #include <dt-bindings/clock/actions,s900-cmu.h> 53*730f2051SCristian Ciocaltea #include <dt-bindings/interrupt-controller/arm-gic.h> 54*730f2051SCristian Ciocaltea i2c@e0170000 { 55*730f2051SCristian Ciocaltea compatible = "actions,s900-i2c"; 56*730f2051SCristian Ciocaltea reg = <0xe0170000 0x1000>; 57*730f2051SCristian Ciocaltea interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; 58*730f2051SCristian Ciocaltea clocks = <&cmu CLK_I2C0>; 59*730f2051SCristian Ciocaltea clock-frequency = <100000>; 60*730f2051SCristian Ciocaltea }; 61*730f2051SCristian Ciocaltea 62*730f2051SCristian Ciocaltea... 63