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Message-ID: <20190508071032.31808-3-daniel.baluta@nxp.com>
Date: Wed, 8 May 2019 07:10:56 +0000
From: Daniel Baluta <daniel.baluta@....com>
To: "shawnguo@...nel.org" <shawnguo@...nel.org>
CC: "mark.rutland@....com" <mark.rutland@....com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>,
dl-linux-imx <linux-imx@....com>,
Aisheng Dong <aisheng.dong@....com>,
Anson Huang <anson.huang@....com>,
"S.j. Wang" <shengjiu.wang@....com>, Peng Fan <peng.fan@....com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"m.felsch@...gutronix.de" <m.felsch@...gutronix.de>,
Daniel Baluta <daniel.baluta@....com>
Subject: [RESEND PATCH v3 2/2] arm64: dts: imx8mm-evk: Enable audio codec
wm8524
i.MX8MM has one wm8524 audio codec connected with
SAI3 digital audio interface.
This patch uses simple-card machine driver in order
to enable wm8524 codec.
We need to set:
* SAI3 pinctrl configuration
* codec reset gpio pinctrl configuration
* clock hierarchy
* codec node
* simple-card configuration
Signed-off-by: Daniel Baluta <daniel.baluta@....com>
---
arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 55 ++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
index 2d5d89475b76..7c578d8762b9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
@@ -37,6 +37,37 @@
gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ wm8524: audio-codec {
+ #sound-dai-cells = <0>;
+ compatible = "wlf,wm8524";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_wlf>;
+ wlf,mute-gpios = <&gpio5 21 GPIO_ACTIVE_LOW>;
+ };
+
+ sound-wm8524 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "wm8524-audio";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,frame-master = <&cpudai>;
+ simple-audio-card,bitclock-master = <&cpudai>;
+ simple-audio-card,widgets =
+ "Line", "Left Line Out Jack",
+ "Line", "Right Line Out Jack";
+ simple-audio-card,routing =
+ "Left Line Out Jack", "LINEVOUTL",
+ "Right Line Out Jack", "LINEVOUTR";
+
+ cpudai: simple-audio-card,cpu {
+ sound-dai = <&sai3>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&wm8524>;
+ clocks = <&clk IMX8MM_CLK_SAI3_ROOT>;
+ };
+ };
};
&fec1 {
@@ -61,6 +92,15 @@
};
};
+&sai3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai3>;
+ assigned-clocks = <&clk IMX8MM_CLK_SAI3>;
+ assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <24576000>;
+ status = "okay";
+};
+
&uart2 { /* console */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
@@ -124,12 +164,27 @@
>;
};
+ pinctrl_gpio_wlf: gpiowlfgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C4_SDA_GPIO5_IO21 0xd6
+ >;
+ };
+
pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc {
fsl,pins = <
MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x41
>;
};
+ pinctrl_sai3: sai3grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC 0xd6
+ MX8MM_IOMUXC_SAI3_TXC_SAI3_TX_BCLK 0xd6
+ MX8MM_IOMUXC_SAI3_MCLK_SAI3_MCLK 0xd6
+ MX8MM_IOMUXC_SAI3_TXD_SAI3_TX_DATA0 0xd6
+ >;
+ };
+
pinctrl_uart2: uart2grp {
fsl,pins = <
MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
--
2.17.1
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