linux-kernel - [PATCH v2 4/5] ARM: dts: rockchip: Add shared file for audio related nodes for veyron boards

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Message-Id: <1462790795-25345-5-git-send-email-enric.balletbo@collabora.com>
Date:	Mon,  9 May 2016 12:46:34 +0200
From:	Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:	linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	alsa-devel@...a-project.org
Cc:	Mark Brown <broonie@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH v2 4/5] ARM: dts: rockchip: Add shared file for audio related nodes for veyron boards

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@...labora.com>
---
Changes since v1:
 - None

 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

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 0000000..f045e1a
--- /dev/null
+++ b/arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi
@@ -0,0 +1,102 @@
+/*
+ * 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>;
+		};
+	};
+};
-- 
2.1.0