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authorMarek Vasut <marex@denx.de>2023-05-08 13:42:36 +0200
committerShawn Guo <shawnguo@kernel.org>2023-05-15 09:41:01 +0800
commit9b4176ae2fc3b28fb41f882f24cd617d8a3be253 (patch)
tree5547785e0bbdb8412ba8682f45a7ac1e5354adb8
parentb86c3afabb4f4ea146c206508527eb2a15485bcc (diff)
arm64: dts: imx8mp: Add analog audio output on i.MX8MP EVK
Enable SAI3 on i.MX8MP EVK, add WM8960 codec binding and regulator. This is all that is needed to get analog audio output operational on i.MX8MP EVK. Acked-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Fabio Estevam <festevam@gmail.com> Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-evk.dts80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 7816853162b3..fa37ce89f8d3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -40,6 +40,17 @@
clock-frequency = <100000000>;
};
+ reg_audio_pwr: regulator-audio-pwr {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_audio_pwr_reg>;
+ regulator-name = "audio-pwr";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
reg_can1_stby: regulator-can1-stby {
compatible = "regulator-fixed";
regulator-name = "can1-stby";
@@ -83,6 +94,37 @@
gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "wm8960-audio";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,frame-master = <&cpudai>;
+ simple-audio-card,bitclock-master = <&cpudai>;
+ simple-audio-card,widgets =
+ "Headphone", "Headphone Jack",
+ "Speaker", "External Speaker",
+ "Microphone", "Mic Jack";
+ simple-audio-card,routing =
+ "Headphone Jack", "HP_L",
+ "Headphone Jack", "HP_R",
+ "External Speaker", "SPK_LP",
+ "External Speaker", "SPK_LN",
+ "External Speaker", "SPK_RP",
+ "External Speaker", "SPK_RN",
+ "LINPUT1", "Mic Jack",
+ "LINPUT3", "Mic Jack",
+ "Mic Jack", "MICB";
+
+ cpudai: simple-audio-card,cpu {
+ sound-dai = <&sai3>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&wm8960>;
+ };
+
+ };
};
&flexspi {
@@ -344,6 +386,18 @@
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
+ wm8960: codec@1a {
+ compatible = "wlf,wm8960";
+ reg = <0x1a>;
+ #sound-dai-cells = <0>;
+ clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI3_MCLK1>;
+ clock-names = "mclk";
+ wlf,shared-lrclk;
+ wlf,hp-cfg = <3 2 3>;
+ wlf,gpio-cfg = <1 3>;
+ SPKVDD1-supply = <&reg_audio_pwr>;
+ };
+
pca6416: gpio@20 {
compatible = "ti,tca6416";
reg = <0x20>;
@@ -422,6 +476,16 @@
status = "okay";
};
+&sai3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai3>;
+ assigned-clocks = <&clk IMX8MP_CLK_SAI3>;
+ assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <12288000>;
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
+
&snvs_pwrkey {
status = "okay";
};
@@ -499,6 +563,12 @@
};
&iomuxc {
+ pinctrl_audio_pwr_reg: audiopwrreggrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29 0xd6
+ >;
+ };
+
pinctrl_eqos: eqosgrp {
fsl,pins = <
MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x2
@@ -668,6 +738,16 @@
>;
};
+ pinctrl_sai3: sai3grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_SAI3_TX_SYNC 0xd6
+ MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_SAI3_TX_BCLK 0xd6
+ MX8MP_IOMUXC_SAI3_RXD__AUDIOMIX_SAI3_RX_DATA00 0xd6
+ MX8MP_IOMUXC_SAI3_TXD__AUDIOMIX_SAI3_TX_DATA00 0xd6
+ MX8MP_IOMUXC_SAI3_MCLK__AUDIOMIX_SAI3_MCLK 0xd6
+ >;
+ };
+
pinctrl_uart2: uart2grp {
fsl,pins = <
MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x140