[PATCH 1/1] arm64: dts: imx8qm-mek: add audio-codec cs42888 and related nodes

[Frank Li <Frank.Li@xxxxxxx>]

Add audio-codec cs42888, enable esai0 and asrc0.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
 arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 82 ++++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index e983633a4bb31..31cf02275ca9e 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -134,6 +134,13 @@ reg_usdhc2_vmmc: usdhc2-vmmc {
 		enable-active-high;
 	};
 
+	reg_audio: regulator-audio {
+		compatible = "regulator-fixed";
+		regulator-name = "cs42888_supply";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
 	reg_fec2_supply: regulator-fec2-nvcc {
 		compatible = "regulator-fixed";
 		regulator-name = "fec2_nvcc";
@@ -223,6 +230,27 @@ simple-audio-card,codec {
 		};
 	};
 
+	sound-cs42888 {
+		compatible = "fsl,imx-audio-cs42888";
+		model = "imx-cs42888";
+		audio-cpu = <&esai0>;
+		audio-codec = <&cs42888>;
+		audio-asrc = <&asrc0>;
+		audio-routing = "Line Out Jack", "AOUT1L",
+				"Line Out Jack", "AOUT1R",
+				"Line Out Jack", "AOUT2L",
+				"Line Out Jack", "AOUT2R",
+				"Line Out Jack", "AOUT3L",
+				"Line Out Jack", "AOUT3R",
+				"Line Out Jack", "AOUT4L",
+				"Line Out Jack", "AOUT4R",
+				"AIN1L", "Line In Jack",
+				"AIN1R", "Line In Jack",
+				"AIN2L", "Line In Jack",
+				"AIN2R", "Line In Jack";
+		status = "okay";
+	};
+
 	sound-wm8960 {
 		compatible = "fsl,imx-audio-wm8960";
 		model = "wm8960-audio";
@@ -301,12 +329,45 @@ pca6416: gpio@20 {
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
+
+	cs42888: audio-codec@48 {
+		compatible = "cirrus,cs42888";
+		reg = <0x48>;
+		clocks = <&mclkout0_lpcg IMX_LPCG_CLK_0>;
+		clock-names = "mclk";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_cs42888_reset>;
+		VA-supply = <&reg_audio>;
+		VD-supply = <&reg_audio>;
+		VLS-supply = <&reg_audio>;
+		VLC-supply = <&reg_audio>;
+		reset-gpios = <&lsio_gpio4 25 GPIO_ACTIVE_LOW>;
+		assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+				  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+				  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+				  <&mclkout0_lpcg IMX_LPCG_CLK_0>;
+		assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
+		status = "okay";
+	};
 };
 
 &cm41_intmux {
 	status = "okay";
 };
 
+&esai0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esai0>;
+	assigned-clocks = <&acm IMX_ADMA_ACM_ESAI0_MCLK_SEL>,
+			  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+			  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+			  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+			  <&esai0_lpcg IMX_LPCG_CLK_4>;
+	assigned-clock-parents = <&aud_pll_div0_lpcg IMX_LPCG_CLK_0>;
+	assigned-clock-rates = <0>, <786432000>, <49152000>, <12288000>, <49152000>;
+	status = "okay";
+};
+
 &hsio_phy {
 	fsl,hsio-cfg = "pciea-pcieb-sata";
 	fsl,refclk-pad-mode = "input";
@@ -691,6 +752,12 @@ IMX8QM_SCU_GPIO0_03_LSIO_GPIO0_IO31			0x0600004c
 		>;
 	};
 
+	pinctrl_cs42888_reset: cs42888_resetgrp {
+		fsl,pins = <
+			IMX8QM_QSPI1A_DATA1_LSIO_GPIO4_IO25			0x0600004c
+		>;
+	};
+
 	pinctrl_i2c0: i2c0grp {
 		fsl,pins = <
 			IMX8QM_HDMI_TX0_TS_SCL_DMA_I2C0_SCL			0x06000021
@@ -725,6 +792,21 @@ IMX8QM_M41_I2C0_SCL_M41_I2C0_SCL			0x0600004c
 		>;
 	};
 
+	pinctrl_esai0: esai0grp {
+		fsl,pins = <
+			IMX8QM_ESAI0_FSR_AUD_ESAI0_FSR				0xc6000040
+			IMX8QM_ESAI0_FST_AUD_ESAI0_FST				0xc6000040
+			IMX8QM_ESAI0_SCKR_AUD_ESAI0_SCKR			0xc6000040
+			IMX8QM_ESAI0_SCKT_AUD_ESAI0_SCKT			0xc6000040
+			IMX8QM_ESAI0_TX0_AUD_ESAI0_TX0				0xc6000040
+			IMX8QM_ESAI0_TX1_AUD_ESAI0_TX1				0xc6000040
+			IMX8QM_ESAI0_TX2_RX3_AUD_ESAI0_TX2_RX3			0xc6000040
+			IMX8QM_ESAI0_TX3_RX2_AUD_ESAI0_TX3_RX2			0xc6000040
+			IMX8QM_ESAI0_TX4_RX1_AUD_ESAI0_TX4_RX1			0xc6000040
+			IMX8QM_ESAI0_TX5_RX0_AUD_ESAI0_TX5_RX0			0xc6000040
+		>;
+	};
+
 	pinctrl_fec1: fec1grp {
 		fsl,pins = <
 			IMX8QM_ENET0_MDC_CONN_ENET0_MDC				0x06000020
-- 
2.34.1