add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/arm/boot/dts/tegra30-apalis-eval.dts
..
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@@ -6,11 +6,12 @@
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 / {
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 	model = "Toradex Apalis T30 on Apalis Evaluation Board";
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-	compatible = "toradex,apalis_t30-eval", "toradex,apalis_t30", "nvidia,tegra30";
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+	compatible = "toradex,apalis_t30-eval", "toradex,apalis_t30",
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+		     "nvidia,tegra30";
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 	aliases {
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 		rtc0 = "/i2c@7000c000/rtc@68";
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-		rtc1 = "/i2c@7000d000/tps65911@2d";
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+		rtc1 = "/i2c@7000d000/pmic@2d";
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 		rtc2 = "/rtc@7000e000";
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 		serial0 = &uarta;
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 		serial1 = &uartb;
..
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@@ -23,17 +24,11 @@
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 	};
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 	pcie@3000 {
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-		status = "okay";
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-
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 		pci@1,0 {
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 			status = "okay";
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 		};
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 		pci@2,0 {
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-			status = "okay";
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-		};
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-
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-		pci@3,0 {
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 			status = "okay";
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 		};
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 	};
..
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@@ -45,27 +40,30 @@
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 				nvidia,panel = <&panel>;
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 			};
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 		};
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+
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 		hdmi@54280000 {
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 			status = "okay";
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+			hdmi-supply = <&reg_5v0>;
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 		};
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 	};
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+	/* Apalis UART1 */
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 	serial@70006000 {
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 		status = "okay";
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 	};
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+	/* Apalis UART2 */
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 	serial@70006040 {
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-		compatible = "nvidia,tegra30-hsuart";
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 		status = "okay";
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 	};
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+	/* Apalis UART3 */
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 	serial@70006200 {
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-		compatible = "nvidia,tegra30-hsuart";
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 		status = "okay";
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 	};
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+	/* Apalis UART4 */
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 	serial@70006300 {
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-		compatible = "nvidia,tegra30-hsuart";
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 		status = "okay";
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 	};
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..
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@@ -99,13 +97,13 @@
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 	 * CAM_I2C: I2C3_SDA/SCL on MXM3 pin 201/203 (e.g. camera sensor on
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 	 * carrier board)
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 	 */
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-	cami2c: i2c@7000c500 {
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+	i2c@7000c500 {
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 		status = "okay";
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 		clock-frequency = <400000>;
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 	};
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 	/* DDC: I2C2_SDA/SCL on MXM3 pin 205/207 (e.g. display EDID) */
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-	hdmiddc: i2c@7000c700 {
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+	i2c@7000c700 {
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 		status = "okay";
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 	};
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..
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@@ -113,29 +111,16 @@
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 	spi@7000d400 {
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 		status = "okay";
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 		spi-max-frequency = <25000000>;
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-		spidev0: spidev@1 {
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-			compatible = "spidev";
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-			reg = <1>;
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-			spi-max-frequency = <25000000>;
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-		};
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 	};
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 	/* SPI5: Apalis SPI2 */
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 	spi@7000dc00 {
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 		status = "okay";
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 		spi-max-frequency = <25000000>;
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-		spidev1: spidev@2 {
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-			compatible = "spidev";
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-			reg = <2>;
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-			spi-max-frequency = <25000000>;
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-		};
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 	};
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-	hda@70030000 {
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-		status = "okay";
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-	};
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-
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-	sd1: sdhci@78000000 {
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+	/* Apalis SD1 */
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+	mmc@78000000 {
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 		status = "okay";
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 		bus-width = <4>;
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 		/* SD1_CD# */
..
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@@ -143,7 +128,8 @@
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 		no-1-8-v;
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 	};
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-	mmc1: sdhci@78000400 {
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+	/* Apalis MMC1 */
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+	mmc@78000400 {
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 		status = "okay";
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 		bus-width = <8>;
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 		/* MMC1_CD# */
..
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@@ -154,12 +140,12 @@
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 	/* EHCI instance 0: USB1_DP/N -> USBO1_DP/N */
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 	usb@7d000000 {
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 		status = "okay";
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+		dr_mode = "otg";
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 	};
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 	usb-phy@7d000000 {
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 		status = "okay";
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-		dr_mode = "otg";
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-		vbus-supply = <&usbo1_vbus_reg>;
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+		vbus-supply = <&reg_usbo1_vbus>;
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 	};
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 	/* EHCI instance 1: USB2_DP/N -> USBH2_DP/N */
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@@ -169,7 +155,7 @@
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 	usb-phy@7d004000 {
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 		status = "okay";
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-		vbus-supply = <&usbh_vbus_reg>;
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+		vbus-supply = <&reg_usbh_vbus>;
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 	};
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 	/* EHCI instance 2: USB3_DP/N -> USBH3_DP/N */
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@@ -179,18 +165,17 @@
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 	usb-phy@7d008000 {
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 		status = "okay";
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-		vbus-supply = <&usbh_vbus_reg>;
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+		vbus-supply = <&reg_usbh_vbus>;
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 	};
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 	backlight: backlight {
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 		compatible = "pwm-backlight";
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-
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-		/* PWM_BKL1 */
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-		pwms = <&pwm 0 5000000>;
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 		brightness-levels = <255 231 223 207 191 159 127 0>;
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 		default-brightness-level = <6>;
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 		/* BKL1_ON */
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 		enable-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;
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+		power-supply = <&reg_3v3>;
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+		pwms = <&pwm 0 5000000>; /* BKL1_PWM */
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 	};
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 	gpio-keys {
..
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@@ -210,65 +195,54 @@
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 		 * edt,et057090dhu: EDT 5.7" LCD TFT
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 		 * edt,et070080dh6: EDT 7.0" LCD TFT
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 		 */
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-		compatible = "edt,et057090dhu", "simple-panel";
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-
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+		compatible = "edt,et057090dhu";
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 		backlight = <&backlight>;
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+		power-supply = <&reg_3v3>;
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 	};
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-	pwmleds {
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-		compatible = "pwm-leds";
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-
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-		pwm1 {
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-			label = "PWM1";
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-			pwms = <&pwm 3 19600>;
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-			max-brightness = <255>;
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-		};
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-
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-		pwm2 {
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-			label = "PWM2";
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-			pwms = <&pwm 2 19600>;
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-			max-brightness = <255>;
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-		};
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-
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-		pwm3 {
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-			label = "PWM3";
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-			pwms = <&pwm 1 19600>;
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-			max-brightness = <255>;
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-		};
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+	reg_3v3: regulator-3v3 {
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+		compatible = "regulator-fixed";
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+		regulator-name = "3.3V_SW";
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+		regulator-min-microvolt = <3300000>;
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+		regulator-max-microvolt = <3300000>;
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 	};
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-	regulators {
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-		sys_5v0_reg: regulator@1 {
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-			compatible = "regulator-fixed";
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-			reg = <1>;
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-			regulator-name = "5v0";
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-			regulator-min-microvolt = <5000000>;
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-			regulator-max-microvolt = <5000000>;
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-			regulator-always-on;
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-		};
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+	reg_5v0: regulator-5v0 {
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+		compatible = "regulator-fixed";
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+		regulator-name = "5V_SW";
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+		regulator-min-microvolt = <5000000>;
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+		regulator-max-microvolt = <5000000>;
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+	};
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-		/* USBO1_EN */
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-		usbo1_vbus_reg: regulator@2 {
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-			compatible = "regulator-fixed";
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-			reg = <2>;
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-			regulator-name = "usbo1_vbus";
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-			regulator-min-microvolt = <5000000>;
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-			regulator-max-microvolt = <5000000>;
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-			gpio = <&gpio TEGRA_GPIO(T, 5) GPIO_ACTIVE_HIGH>;
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-			enable-active-high;
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-			vin-supply = <&sys_5v0_reg>;
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-		};
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+	/* USBO1_EN */
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+	reg_usbo1_vbus: regulator-usbo1-vbus {
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+		compatible = "regulator-fixed";
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+		regulator-name = "VCC_USBO1";
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+		regulator-min-microvolt = <5000000>;
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+		regulator-max-microvolt = <5000000>;
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+		gpio = <&gpio TEGRA_GPIO(T, 5) GPIO_ACTIVE_HIGH>;
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+		enable-active-high;
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+		vin-supply = <&reg_5v0>;
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+	};
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-		/* USBH_EN */
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-		usbh_vbus_reg: regulator@3 {
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-			compatible = "regulator-fixed";
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-			reg = <3>;
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-			regulator-name = "usbh_vbus";
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-			regulator-min-microvolt = <5000000>;
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-			regulator-max-microvolt = <5000000>;
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-			gpio = <&gpio TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>;
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-			enable-active-high;
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-			vin-supply = <&sys_5v0_reg>;
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-		};
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+	/* USBH_EN */
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+	reg_usbh_vbus: regulator-usbh-vbus {
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+		compatible = "regulator-fixed";
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+		regulator-name = "VCC_USBH(2A|2C|2D|3|4)";
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+		regulator-min-microvolt = <5000000>;
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+		regulator-max-microvolt = <5000000>;
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+		gpio = <&gpio TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>;
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+		enable-active-high;
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+		vin-supply = <&reg_5v0>;
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+	};
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+};
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+
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+&gpio {
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+	/* Apalis GPIO7 MXM3 pin 15 PLX PEX 8605 PCIe Switch Reset */
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+	pex-perst-n {
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+		gpio-hog;
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+		gpios = <TEGRA_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
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+		output-high;
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+		line-name = "PEX_PERST_N";
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 	};
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 };