diff options
Diffstat (limited to 'arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi b/arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi new file mode 100644 index 000000000000..6d105914a4f3 --- /dev/null +++ b/arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi @@ -0,0 +1,101 @@ +/* + * Google Veyron (and derivatives) fragment for the max98090 audio + * codec and analog headphone jack. + * + * Copyright 2016 Google, Inc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/ { + sound { + compatible = "rockchip,rockchip-audio-max98090"; + pinctrl-names = "default"; + pinctrl-0 = <&mic_det>, <&hp_det>; + rockchip,model = "VEYRON-I2S"; + rockchip,i2s-controller = <&i2s>; + rockchip,audio-codec = <&max98090>; + rockchip,hp-det-gpios = <&gpio6 5 GPIO_ACTIVE_HIGH>; + rockchip,mic-det-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; + rockchip,headset-codec = <&headsetcodec>; + }; +}; + +&i2c2 { + max98090: max98090@10 { + compatible = "maxim,max98090"; + reg = <0x10>; + interrupt-parent = <&gpio6>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + clock-names = "mclk"; + clocks = <&cru SCLK_I2S0_OUT>; + pinctrl-names = "default"; + pinctrl-0 = <&int_codec>; + }; +}; + +&i2c4 { + headsetcodec: ts3a227e@3b { + compatible = "ti,ts3a227e"; + reg = <0x3b>; + interrupt-parent = <&gpio0>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&ts3a227e_int_l>; + ti,micbias = <7>; /* MICBIAS = 2.8V */ + }; +}; + +&i2s { + status = "okay"; +}; + +&io_domains { + audio-supply = <&vcc18_codec>; +}; + +&rk808 { + vcc10-supply = <&vcc33_sys>; + + regulators { + vcc18_codec: LDO_REG6 { + regulator-name = "vcc18_codec"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + }; +}; + +&pinctrl { + codec { + hp_det: hp-det { + rockchip,pins = <6 5 RK_FUNC_GPIO &pcfg_pull_up>; + }; + + /* + * HACK: We're going to _pull down_ this _active low_ interrupt + * so that it never fires. We don't need this interrupt because + * we've got a ts3a227e chip but the driver requires it. + */ + int_codec: int-codec { + rockchip,pins = <6 7 RK_FUNC_GPIO &pcfg_pull_down>; + }; + + mic_det: mic-det { + rockchip,pins = <6 11 RK_FUNC_GPIO &pcfg_pull_up>; + }; + }; + + headset { + ts3a227e_int_l: ts3a227e-int-l { + rockchip,pins = <0 3 RK_FUNC_GPIO &pcfg_pull_up>; + }; + }; +}; |