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Message-Id: <20241022052919.1946074-4-shengjiu.wang@nxp.com>
Date: Tue, 22 Oct 2024 13:29:19 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
shawnguo@...nel.org,
s.hauer@...gutronix.de,
kernel@...gutronix.de,
festevam@...il.com,
devicetree@...r.kernel.org,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
shengjiu.wang@...il.com
Subject: [PATCH v2 3/3] arm64: dts: imx8ulp-evk: Add spdif sound card support
Add spdif sound card support, configure the pinmux.
This sound card supports only playback sound
through HDMI interface.
Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
index 7d6d332fa779..290a49bea2f7 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
@@ -107,6 +107,18 @@ simple-audio-card,codec {
sound-dai = <&bt_sco_codec 1>;
};
};
+
+ sound-spdif {
+ compatible = "fsl,imx-audio-spdif";
+ model = "imx-spdif";
+ audio-cpu = <&spdif>;
+ audio-codec = <&spdif_out>;
+ };
+
+ spdif_out: spdif-out {
+ compatible = "linux,spdif-dit";
+ #sound-dai-cells = <0>;
+ };
};
&cm33 {
@@ -187,6 +199,15 @@ &sai5 {
status = "okay";
};
+&spdif {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&pinctrl_spdif>;
+ pinctrl-1 = <&pinctrl_spdif>;
+ assigned-clocks = <&cgc2 IMX8ULP_CLK_SPDIF_SEL>;
+ assigned-clock-parents = <&cgc1 IMX8ULP_CLK_SPLL3_PFD1_DIV1>;
+ status = "okay";
+};
+
&usbotg1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
@@ -325,6 +346,12 @@ MX8ULP_PAD_PTF24__I2S5_RXD3 0x43
>;
};
+ pinctrl_spdif: spdifgrp {
+ fsl,pins = <
+ MX8ULP_PAD_PTF25__SPDIF_OUT1 0x43
+ >;
+ };
+
pinctrl_typec1: typec1grp {
fsl,pins = <
MX8ULP_PAD_PTF3__PTF3 0x3
--
2.34.1
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