From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../boot/dts/freescale/imx8mm-verdin-dev.dtsi      | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi

(limited to 'arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi')

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi
new file mode 100644
index 000000000..b2bcd2282
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2022 Toradex
+ */
+
+#include "imx8mm-verdin-dahlia.dtsi"
+
+/ {
+	sound_card: sound-card {
+		compatible = "simple-audio-card";
+		simple-audio-card,bitclock-master = <&dailink_master>;
+		simple-audio-card,format = "i2s";
+		simple-audio-card,frame-master = <&dailink_master>;
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,name = "imx8mm-nau8822";
+		simple-audio-card,routing =
+			"Headphones", "LHP",
+			"Headphones", "RHP",
+			"Speaker", "LSPK",
+			"Speaker", "RSPK",
+			"Line Out", "AUXOUT1",
+			"Line Out", "AUXOUT2",
+			"LAUX", "Line In",
+			"RAUX", "Line In",
+			"LMICP", "Mic In",
+			"RMICP", "Mic In";
+		simple-audio-card,widgets =
+			"Headphones", "Headphones",
+			"Line Out", "Line Out",
+			"Speaker", "Speaker",
+			"Microphone", "Mic In",
+			"Line", "Line In";
+
+		dailink_master: simple-audio-card,codec {
+			clocks = <&clk IMX8MM_CLK_SAI2_ROOT>;
+			sound-dai = <&nau8822_1a>;
+		};
+
+		simple-audio-card,cpu {
+			sound-dai = <&sai2>;
+		};
+	};
+};
+
+&gpio_expander_21 {
+	status = "okay";
+};
+
+/* Verdin I2C_1 */
+&i2c4 {
+	/* Audio Codec */
+	nau8822_1a: audio-codec@1a {
+		compatible = "nuvoton,nau8822";
+		reg = <0x1a>;
+	};
+};
+
+/* Verdin UART_1, connector X50 through RS485 transceiver */
+&uart2 {
+	linux,rs485-enabled-at-boot-time;
+	rs485-rts-active-low;
+	rs485-rx-during-tx;
+};
+
+/* Limit frequency on dev board due to long traces and bad signal integrity */
+&usdhc2 {
+	max-frequency = <100000000>;
+};
-- 
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