linux-kernel - [PATCH 09/13] ARM: dts: imx7-mba7: add audio support

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Message-Id: <20200918112942.1367-9-matthias.schiffer@ew.tq-group.com>
Date:   Fri, 18 Sep 2020 13:29:38 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH 09/13] ARM: dts: imx7-mba7: add audio support

The MBa7x is equipped with a TI TLV320AIC3204 audio codec.

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 arch/arm/boot/dts/imx7-mba7.dtsi | 38 +++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx7-mba7.dtsi b/arch/arm/boot/dts/imx7-mba7.dtsi
index 215730e0453e..9cfaf0a91100 100644
--- a/arch/arm/boot/dts/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/imx7-mba7.dtsi
@@ -170,6 +170,20 @@
 		regulator-max-microvolt = <3300000>;
 		regulator-always-on;
 	};
+
+	sound {
+		compatible = "fsl,imx-audio-tlv320aic32x4";
+		model = "imx-audio-tlv320aic32x4";
+		ssi-controller = <&sai1>;
+		audio-codec = <&tlv320aic32x4>;
+		audio-routing =
+			"IN3_L", "Mic Jack",
+			"Mic Jack", "Mic Bias",
+			"IN1_L", "Line In Jack",
+			"IN1_R", "Line In Jack",
+			"Line Out Jack", "LOL",
+			"Line Out Jack", "LOR";
+	};
 };
 
 &adc1 {
@@ -363,13 +377,25 @@
 		>;
 	};
 
-
 	pinctrl_pca9555: pca95550grp {
 		fsl,pins = <
 			MX7D_PAD_ENET1_TX_CLK__GPIO7_IO12	0x78
 		>;
 	};
 
+	pinctrl_sai1: sai1grp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_MCLK__SAI1_MCLK		0x11
+			MX7D_PAD_SAI1_RX_BCLK__SAI1_RX_BCLK	0x1c
+			MX7D_PAD_SAI1_RX_DATA__SAI1_RX_DATA0	0x1c
+			MX7D_PAD_SAI1_RX_SYNC__SAI2_RX_SYNC	0x1c
+
+			MX7D_PAD_SAI1_TX_BCLK__SAI1_TX_BCLK	0x1c
+			MX7D_PAD_SAI1_TX_DATA__SAI1_TX_DATA0	0x14
+			MX7D_PAD_SAI1_TX_SYNC__SAI1_TX_SYNC	0x14
+		>;
+	};
+
 	pinctrl_uart3: uart3grp {
 		fsl,pins = <
 			MX7D_PAD_UART3_RX_DATA__UART3_DCE_RX	0x7e
@@ -487,6 +513,16 @@
 	status = "okay";
 };
 
+&sai1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai1>;
+	assigned-clocks = <&clks IMX7D_SAI1_ROOT_SRC>,
+			  <&clks IMX7D_SAI1_ROOT_CLK>;
+	assigned-clock-parents = <&clks IMX7D_PLL_AUDIO_POST_DIV>;
+	assigned-clock-rates = <0>, <36864000>;
+	status = "okay";
+};
+
 &uart3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart3>;
-- 
2.17.1