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Subject[PATCH v4 2/8] arm64: dts: librem5-devkit: add the sgtl5000 i2c audio codec
Date
From: "Angus Ainslie (Purism)" <angus@akkea.ca>

Describe the sgtl5000 of the librem 5 devkit in devicetree.

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
---
.../dts/freescale/imx8mq-librem5-devkit.dts | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index bab039500f2b..c829e4579540 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -148,6 +148,34 @@
regulator-always-on;
};

+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "sgtl5000";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,widgets =
+ "Microphone", "Microphone Jack",
+ "Headphone", "Headphone Jack",
+ "Speaker", "Speaker Ext",
+ "Line", "Line In Jack";
+ simple-audio-card,routing =
+ "MIC_IN", "Microphone Jack",
+ "Microphone Jack", "Mic Bias",
+ "LINE_IN", "Line In Jack",
+ "Headphone Jack", "HP_OUT",
+ "Speaker Ext", "LINE_OUT";
+
+ simple-audio-card,cpu {
+ sound-dai = <&sai2>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&sgtl5000>;
+ clocks = <&clk IMX8MQ_CLK_SAI2_ROOT>;
+ frame-master;
+ bitclock-master;
+ };
+ };
+
vibrator {
compatible = "gpio-vibrator";
pinctrl-names = "default";
@@ -426,6 +454,19 @@
vddio-supply = <&reg_3v3_p>;
};

+ sgtl5000: audio-codec@a {
+ compatible = "fsl,sgtl5000";
+ clocks = <&clk IMX8MQ_CLK_SAI2_ROOT>;
+ assigned-clocks = <&clk IMX8MQ_CLK_SAI2>;
+ assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <24576000>;
+ #sound-dai-cells = <0>;
+ reg = <0x0a>;
+ VDDD-supply = <&reg_1v8_p>;
+ VDDIO-supply = <&reg_3v3_p>;
+ VDDA-supply = <&reg_3v3_p>;
+ };
+
touchscreen@5d {
compatible = "goodix,gt5688";
reg = <0x5d>;
@@ -567,6 +608,16 @@
>;
};

+ pinctrl_sai2: sai2grp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC 0xd6
+ MX8MQ_IOMUXC_SAI2_TXC_SAI2_TX_BCLK 0xd6
+ MX8MQ_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0 0xd6
+ MX8MQ_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0 0xd6
+ MX8MQ_IOMUXC_SAI2_MCLK_SAI2_MCLK 0xd6
+ >;
+ };
+
pinctrl_typec: typecgrp {
fsl,pins = <
MX8MQ_IOMUXC_NAND_DATA06_GPIO3_IO12 0x16
@@ -742,6 +793,15 @@
status = "okay";
};

+&sai2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai2>;
+ assigned-clocks = <&clk IMX8MQ_CLK_SAI2>;
+ assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <24576000>;
+ status = "okay";
+};
+
&uart1 { /* console */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
--
2.20.1
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