[PATCH] ARM: dts: imx7d-sdb: Add notes for audio sound card

From: Shengjiu Wang
Date: Thu Jul 23 2020 - 01:47:45 EST


Configure the SAI device node, configure audio clock
and pinctrl.

Enable the audio sound card, which use the SAI1 and
wm8960, and enable headphone detection.

Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
arch/arm/boot/dts/imx7d-sdb.dts | 81 +++++++++++++++++++++++++++++++++
1 file changed, 81 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 17cca8a9f77b..b50b19f2d0f1 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -146,6 +146,24 @@ panel_in: endpoint {
};
};
};
+
+ sound {
+ compatible = "fsl,imx7d-evk-wm8960",
+ "fsl,imx-audio-wm8960";
+ model = "wm8960-audio";
+ audio-cpu = <&sai1>;
+ audio-codec = <&codec>;
+ hp-det-gpio = <&gpio2 28 GPIO_ACTIVE_HIGH>;
+ audio-routing =
+ "Headphone Jack", "HP_L",
+ "Headphone Jack", "HP_R",
+ "Ext Spk", "SPK_LP",
+ "Ext Spk", "SPK_LN",
+ "Ext Spk", "SPK_RP",
+ "Ext Spk", "SPK_RN",
+ "LINPUT1", "AMIC",
+ "AMIC", "MICB";
+ };
};

&adc1 {
@@ -363,6 +381,13 @@ codec: wm8960@1a {
clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
clock-names = "mclk";
wlf,shared-lrclk;
+ wlf,hp-cfg = <2 2 3>;
+ wlf,gpio-cfg = <1 3>;
+ assigned-clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_SRC>,
+ <&clks IMX7D_PLL_AUDIO_POST_DIV>,
+ <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+ assigned-clock-parents = <&clks IMX7D_PLL_AUDIO_POST_DIV>;
+ assigned-clock-rates = <0>, <884736000>, <12288000>;
};
};

@@ -391,6 +416,28 @@ &reg_1p2 {
vin-supply = <&sw2_reg>;
};

+&sai1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai1>;
+ assigned-clocks = <&clks IMX7D_SAI1_ROOT_SRC>,
+ <&clks IMX7D_PLL_AUDIO_POST_DIV>,
+ <&clks IMX7D_SAI1_ROOT_CLK>;
+ assigned-clock-parents = <&clks IMX7D_PLL_AUDIO_POST_DIV>;
+ assigned-clock-rates = <0>, <884736000>, <36864000>;
+ status = "okay";
+};
+
+&sai3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai3 &pinctrl_sai3_mclk>;
+ assigned-clocks = <&clks IMX7D_SAI3_ROOT_SRC>,
+ <&clks IMX7D_PLL_AUDIO_POST_DIV>,
+ <&clks IMX7D_SAI3_ROOT_CLK>;
+ assigned-clock-parents = <&clks IMX7D_PLL_AUDIO_POST_DIV>;
+ assigned-clock-rates = <0>, <884736000>, <36864000>;
+ status = "okay";
+};
+
&snvs_pwrkey {
status = "okay";
};
@@ -550,6 +597,7 @@ MX7D_PAD_SD2_WP__GPIO5_IO10 0x59
pinctrl_hog: hoggrp {
fsl,pins = <
MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x34 /* bt reg on */
+ MX7D_PAD_EPDC_BDR0__GPIO2_IO28 0x59 /* headphone detect */
>;
};

@@ -615,6 +663,33 @@ MX7D_PAD_LCD_RESET__LCD_RESET 0x79
>;
};

+ pinctrl_sai1: sai1grp {
+ fsl,pins = <
+ MX7D_PAD_SAI1_MCLK__SAI1_MCLK 0x1f
+ MX7D_PAD_ENET1_RX_CLK__SAI1_TX_BCLK 0x1f
+ MX7D_PAD_ENET1_CRS__SAI1_TX_SYNC 0x1f
+ MX7D_PAD_ENET1_COL__SAI1_TX_DATA0 0x30
+ MX7D_PAD_ENET1_TX_CLK__SAI1_RX_DATA0 0x1f
+ >;
+ };
+
+ pinctrl_sai2: sai2grp {
+ fsl,pins = <
+ MX7D_PAD_SAI2_TX_BCLK__SAI2_TX_BCLK 0x1f
+ MX7D_PAD_SAI2_TX_SYNC__SAI2_TX_SYNC 0x1f
+ MX7D_PAD_SAI2_TX_DATA__SAI2_TX_DATA0 0x30
+ MX7D_PAD_SAI2_RX_DATA__SAI2_RX_DATA0 0x1f
+ >;
+ };
+
+ pinctrl_sai3: sai3grp {
+ fsl,pins = <
+ MX7D_PAD_UART3_TX_DATA__SAI3_TX_BCLK 0x1f
+ MX7D_PAD_UART3_CTS_B__SAI3_TX_SYNC 0x1f
+ MX7D_PAD_UART3_RTS_B__SAI3_TX_DATA0 0x30
+ >;
+ };
+
pinctrl_spi4: spi4grp {
fsl,pins = <
MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59
@@ -776,4 +851,10 @@ pinctrl_usb_otg2_vbus_reg: usbotg2vbusreggrp {
MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x14
>;
};
+
+ pinctrl_sai3_mclk: sai3grp_mclk {
+ fsl,pins = <
+ MX7D_PAD_LPSR_GPIO1_IO03__SAI3_MCLK 0x1f
+ >;
+ };
};
--
2.27.0