[D18][B79] split DT into SoM DT and carrier DTO

arch/arm64/boot/dts/seco/overlays/Makefile

@@ -36,6 +36,7 @@ dtbo-$(CONFIG_ARCH_MXC) += \
 	seco-imx8mm-c61-port2-rs485.dtbo\
 	seco-imx8mm-c61-video-sn65dsi84.dtbo\
 	seco-imx8mm-c61-video-sn65dsi86.dtbo\
+	seco-imx8mp-d18-b79.dtbo\
 	seco-imx8mp-d18-hdmi.dtbo\
 	seco-imx8mp-d18-edp.dtbo\
 	seco-imx8mp-d18-lvds-fhd.dtbo\

arch/arm64/boot/dts/seco/overlays/seco-imx8mp-d18-b79-overlay.dts

+/*
+ * Copyright 2024 SECO
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <dt-bindings/clock/imx8mp-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	model = "SECO i.MX8MPlus LPDDR4 D18 on B79 carrier board";
+	compatible = "fsl,imx8mp-evk", "seco,imx8mp-d18", "fsl,imx8mp";
+
+/*  __________________________________________________________________________
+ * |                                                                          |
+ * |                            CARRIER BOARD B79                             |
+ * |__________________________________________________________________________|
+ */
+
+	fragment@0 {
+		target-path = "/";
+		__overlay__ {
+			reg_audio: regulator-soc-audio {
+				compatible = "regulator-fixed";
+				regulator-name = "tlv320aic32x4_supply";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			reg_audio_pwr: regulator-audio-pwr {
+				compatible = "regulator-fixed";
+				regulator-name = "audio-pwr";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
+				enable-active-high;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/";
+		__overlay__ {
+			sound {
+				status                            = "okay";
+				compatible                        = "simple-audio-card";
+				simple-audio-card,format          = "i2s";
+				simple-audio-card,name            = "tlv-audio";
+				simple-audio-card,frame-master    = <&cpudai>;
+				simple-audio-card,bitclock-master = <&cpudai>;
+
+				cpudai: simple-audio-card,cpu {
+					sound-dai          = <&sai2>;
+					dai-tdm-slot-num   = <2>;
+					dai-tdm-slot-width = <16>;
+				};
+				simple-audio-card,codec {
+					sound-dai = <&tlvcodec 0>;
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&pca6416>;
+		__overlay__ {
+			tlv320_reset {
+				gpio-hog;
+				gpios = <8 GPIO_ACTIVE_HIGH>;
+				output-high;
+			};
+		};
+	};
+
+	fragment@3 {
+		target = <&i2c5>;
+		__overlay__ {
+			tlvcodec: tlv320aic32x4@18 {
+				#sound-dai-cells = <0>;
+				status = "okay";
+				compatible = "ti,tlv320aic32x4";
+				reg = <0x18>;
+				ldoin-supply = <&reg_audio>;
+				iov-supply = <&reg_audio>;
+				clocks = <&clk IMX8MP_CLK_SAI2_ROOT>;
+				clock-names = "mclk";
+				route-on-lineout;
+			};
+		};
+	};
+
+};

arch/arm64/boot/dts/seco/seco-imx8mp-d18.dts

@@ -11,7 +11,7 @@
 #include "dt-bindings/seco/ectrl_stm32.h"
 
 / {
-	model = "SECO i.MX8MPlus LPDDR4 D18 board";
+	model = "SECO i.MX8MPlus LPDDR4 D18 module";
 	compatible = "fsl,imx8mp-evk", "seco,imx8mp-d18", "fsl,imx8mp";
 
 	chosen {
@@ -52,16 +52,6 @@
 		enable-active-high;
 	};
 
-	reg_audio_pwr: regulator-audio-pwr {
-		compatible = "regulator-fixed";
-		regulator-name = "audio-pwr";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-		regulator-always-on;
-	};
-
 	reg_pca6416_20: regulator-pca6416-20-pwr {
 		compatible = "regulator-fixed";
 		regulator-name = "pca6416-20-pwr";
@@ -84,14 +74,6 @@
 		status = "okay";
 	};
 
-	reg_audio: regulator-soc-audio {
-		compatible = "regulator-fixed";
-		regulator-name = "tlv320aic32x4_supply";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
-		regulator-always-on;
-	};
-
 	osc_27m: clock_27 {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
@@ -105,24 +87,6 @@
 	soundbtsco: sound-bt-sco {
 	};
 
-	sound {
-		status                            = "okay";
-		compatible                        = "simple-audio-card";
-		simple-audio-card,format          = "i2s";
-		simple-audio-card,name            = "tlv-audio";
-		simple-audio-card,frame-master    = <&cpudai>;
-		simple-audio-card,bitclock-master = <&cpudai>;
-
-		cpudai: simple-audio-card,cpu {
-			sound-dai          = <&sai2>;
-			dai-tdm-slot-num   = <2>;
-			dai-tdm-slot-width = <16>;
-		};
-		simple-audio-card,codec {
-			sound-dai = <&tlvcodec 0>;
-		};
-	};
-
 	soundhdmi: sound-hdmi {
 		compatible = "fsl,imx-audio-cdnhdmi";
 		model = "audio-hdmi";
@@ -492,12 +456,6 @@
 			gpios = <11 GPIO_ACTIVE_HIGH>;
 			output-low;
 		};
-
-		tlv320_reset {
-			gpio-hog;
-			gpios = <8 GPIO_ACTIVE_HIGH>;
-			output-high;
-		};
 	};
 };
 
@@ -506,18 +464,6 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c5>;
 	status = "okay";
-
-	tlvcodec: tlv320aic32x4@18 {
-		#sound-dai-cells = <0>;
-		status = "okay";
-		compatible = "ti,tlv320aic32x4";
-		reg = <0x18>;
-		ldoin-supply = <&reg_audio>;
-		iov-supply = <&reg_audio>;
-		clocks = <&clk IMX8MP_CLK_SAI2_ROOT>;
-		clock-names = "mclk";
-		route-on-lineout;
-	};
 };
 
 &irqsteer_hdmi {