add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
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@@ -1,12 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
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- *
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- * The code contained herein is licensed under the GNU General Public
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- * License. You may obtain a copy of the GNU General Public License
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- * Version 2 or later at the following locations:
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- *
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- * http://www.opensource.org/licenses/gpl-license.html
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- * http://www.gnu.org/copyleft/gpl.html
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  */
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 /dts-v1/;
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@@ -18,21 +12,24 @@
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 	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
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 	model = "Raspberry Pi Zero W";
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+	memory@0 {
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+		device_type = "memory";
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+		reg = <0 0x20000000>;
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+	};
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+
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 	chosen {
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 		/* 8250 auxiliary UART instead of pl011 */
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 		stdout-path = "serial1:115200n8";
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 	};
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 	leds {
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-		act {
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+		led-act {
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 			gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
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 		};
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 	};
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 	wifi_pwrseq: wifi-pwrseq {
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 		compatible = "mmc-pwrseq-simple";
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-		pinctrl-names = "default";
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-		pinctrl-0 = <&wl_on>;
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 		reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
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 	};
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 };
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@@ -46,8 +43,8 @@
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 	 * "FOO" = GPIO line named "FOO" on the schematic
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 	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
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 	 */
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-	gpio-line-names = "GPIO0",
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-			  "GPIO1",
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+	gpio-line-names = "ID_SDA",
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+			  "ID_SCL",
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 			  "SDA1",
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 			  "SCL1",
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 			  "GPIO_GCLK",
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@@ -77,16 +74,18 @@
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 			  "GPIO27",
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 			  "SDA0",
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 			  "SCL0",
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-			  "NC", /* GPIO30 */
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-			  "NC", /* GPIO31 */
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-			  "NC", /* GPIO32 */
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-			  "NC", /* GPIO33 */
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-			  "NC", /* GPIO34 */
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-			  "NC", /* GPIO35 */
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-			  "NC", /* GPIO36 */
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-			  "NC", /* GPIO37 */
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-			  "NC", /* GPIO38 */
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-			  "NC", /* GPIO39 */
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+			  /* Used by BT module */
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+			  "CTS0",
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+			  "RTS0",
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+			  "TXD0",
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+			  "RXD0",
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+			  /* Used by Wifi */
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+			  "SD1_CLK",
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+			  "SD1_CMD",
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+			  "SD1_DATA0",
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+			  "SD1_DATA1",
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+			  "SD1_DATA2",
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+			  "SD1_DATA3",
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 			  "CAM_GPIO1", /* GPIO40 */
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 			  "WL_ON", /* GPIO41 */
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 			  "NC", /* GPIO42 */
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@@ -104,15 +103,12 @@
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 			  "SD_DATA3_R";
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 	pinctrl-0 = <&gpioout &alt0>;
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-
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-	wl_on: wl-on {
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-		brcm,pins = <41>;
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-		brcm,function = <BCM2835_FSEL_GPIO_OUT>;
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-	};
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 };
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 &hdmi {
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 	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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+	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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+	status = "okay";
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 };
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 &sdhci {
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@@ -120,6 +116,7 @@
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 	#size-cells = <0>;
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 	pinctrl-names = "default";
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 	pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
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+	bus-width = <4>;
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 	mmc-pwrseq = <&wifi_pwrseq>;
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 	non-removable;
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 	status = "okay";
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@@ -130,6 +127,13 @@
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 	};
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 };
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+&sdhost {
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+	pinctrl-names = "default";
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+	pinctrl-0 = <&sdhost_gpio48>;
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+	bus-width = <4>;
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+	status = "okay";
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+};
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+
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 &uart0 {
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 	pinctrl-names = "default";
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 	pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;