new file mode 100644
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+/*
+ * 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";
+ rockchip,model = "ROCKCHIP-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>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mic_det>, <&hp_det>;
+ };
+
+ io-domains {
+ audio-supply = <&vcc18_codec>;
+ };
+};
+
+&rk808 {
+ vcc10-supply = <&vcc33_sys>;
+
+ regulators {
+ vcc18_codec: LDO_REG6 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc18_codec";
+ regulator-suspend-mem-disabled;
+ };
+ };
+};
+
+&i2c2 {
+ max98090: max98090@10 {
+ compatible = "maxim,max98090";
+ reg = <0x10>;
+ clock-names = "mclk";
+ clocks = <&cru SCLK_I2S0_OUT>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+ 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";
+ clock-names = "i2s_hclk", "i2s_clk";
+ clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>;
+};
+
+&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>;
+ };
+ };
+};
Set i2s block to "okay", add sound node for max98090 with gpios for HP and Mic detect and pinctrl, and add a max98090 device and ts3a227e to the correct i2c bus. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> --- arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi | 102 ++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi