ARM: dts: import meerkat96 board support

It imports device tree source of meerkat96 board from Linux Kernel.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 727da1a..5c07824 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -633,6 +633,7 @@
 	imx7-colibri-emmc.dtb \
 	imx7-colibri-rawnand.dtb \
 	imx7s-warp.dtb \
+	imx7d-meerkat96.dtb \
 	imx7d-pico-pi.dtb \
 	imx7d-pico-hobbit.dtb
 
diff --git a/arch/arm/dts/imx7d-meerkat96.dts b/arch/arm/dts/imx7d-meerkat96.dts
new file mode 100644
index 0000000..dd8003b
--- /dev/null
+++ b/arch/arm/dts/imx7d-meerkat96.dts
@@ -0,0 +1,375 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2019 Linaro Ltd.
+ */
+
+/dts-v1/;
+
+#include "imx7d.dtsi"
+
+/ {
+	model = "96Boards Meerkat96 Board";
+	compatible = "novtech,imx7d-meerkat96", "fsl,imx7d";
+
+	chosen {
+		stdout-path = &uart6;
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>; /* 512MB */
+	};
+
+	reg_wlreg_on: regulator-wlreg-on {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_wlreg_on>;
+		regulator-name = "wlreg_on";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <100>;
+		gpio = <&gpio6 15 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "3P3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb_otg1_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb_otg2_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_leds>;
+
+		led1 {
+			label = "green:user1";
+			gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+			default-state = "off";
+		};
+
+		led2 {
+			label = "green:user2";
+			gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "mmc0";
+			default-state = "off";
+		};
+
+		led3 {
+			label = "green:user3";
+			gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "mmc1";
+			default-state = "off";
+		};
+
+		led4 {
+			label = "green:user4";
+			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "none";
+			default-state = "off";
+			panic-indicator;
+		};
+
+		led5 {
+			label = "yellow:wlan";
+			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "phy0tx";
+			default-state = "off";
+		};
+
+		led6 {
+			label = "blue:bt";
+			gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "bluetooth-power";
+			default-state = "off";
+		};
+	};
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	status = "okay";
+};
+
+&i2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+};
+
+&i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c4>;
+	status = "okay";
+};
+
+&lcdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lcdif>;
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>;
+	assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+	assigned-clocks = <&clks IMX7D_UART3_ROOT_SRC>;
+	assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&uart6 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart6>;
+	assigned-clocks = <&clks IMX7D_UART6_ROOT_SRC>;
+	assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
+	status = "okay";
+};
+
+&uart7 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart7 &pinctrl_bt_gpios>;
+	assigned-clocks = <&clks IMX7D_UART7_ROOT_SRC>;
+	assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
+	uart-has-rtscts;
+	fsl,dte-mode;
+	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		device-wakeup-gpios = <&gpio6 13 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpio4 17 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&usbotg1 {
+	vbus-supply = <&reg_usb_otg1_vbus>;
+	status = "okay";
+};
+
+&usbotg2 {
+	vbus-supply = <&reg_usb_otg2_vbus>;
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	keep-power-in-suspend;
+	fsl,tuning-step = <2>;
+	vmmc-supply = <&reg_3p3v>;
+	no-1-8-v;
+	broken-cd;
+	status = "okay";
+};
+
+&usdhc3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc3>;
+	bus-width = <4>;
+	no-1-8-v;
+	no-mmc;
+	non-removable;
+	keep-power-in-suspend;
+	wakeup-source;
+	vmmc-supply = <&reg_wlreg_on>;
+	vqmmc-supply =<&reg_3p3v>;
+	status = "okay";
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_wlan_irq>;
+		interrupt-parent = <&gpio6>;
+		interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wake";
+	};
+};
+
+&iomuxc {
+	pinctrl_bt_gpios: btgpiosgrp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13	0x59
+			MX7D_PAD_ECSPI1_MOSI__GPIO4_IO17	0x1f
+		>;
+	};
+
+	pinctrl_gpio_leds: gpioledsgrp {
+		fsl,pins = <
+			MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0	0x59
+			MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4	0x59
+			MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x59
+			MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6	0x59
+			MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7	0x59
+			MX7D_PAD_SD1_RESET_B__GPIO5_IO2		0x59
+		>;
+	};
+
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX7D_PAD_I2C1_SDA__I2C1_SDA		0x4000007f
+			MX7D_PAD_I2C1_SCL__I2C1_SCL		0x4000007f
+		>;
+	};
+
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX7D_PAD_I2C2_SDA__I2C2_SDA		0x4000007f
+			MX7D_PAD_I2C2_SCL__I2C2_SCL		0x4000007f
+		>;
+	};
+
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX7D_PAD_ENET1_RGMII_RD1__I2C3_SDA	0x4000007f
+			MX7D_PAD_ENET1_RGMII_RD0__I2C3_SCL	0x4000007f
+		>;
+	};
+
+	pinctrl_i2c4: i2c4grp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA		0x4000007f
+			MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL		0x4000007f
+		>;
+	};
+
+	pinctrl_lcdif: lcdifgrp {
+		fsl,pins = <
+			MX7D_PAD_LCD_DATA00__LCD_DATA0		0x79
+			MX7D_PAD_LCD_DATA01__LCD_DATA1		0x79
+			MX7D_PAD_LCD_DATA02__LCD_DATA2		0x79
+			MX7D_PAD_LCD_DATA03__LCD_DATA3		0x79
+			MX7D_PAD_LCD_DATA04__LCD_DATA4		0x79
+			MX7D_PAD_LCD_DATA05__LCD_DATA5		0x79
+			MX7D_PAD_LCD_DATA06__LCD_DATA6		0x79
+			MX7D_PAD_LCD_DATA07__LCD_DATA7		0x79
+			MX7D_PAD_LCD_DATA08__LCD_DATA8		0x79
+			MX7D_PAD_LCD_DATA09__LCD_DATA9		0x79
+			MX7D_PAD_LCD_DATA10__LCD_DATA10		0x79
+			MX7D_PAD_LCD_DATA11__LCD_DATA11		0x79
+			MX7D_PAD_LCD_DATA12__LCD_DATA12		0x79
+			MX7D_PAD_LCD_DATA13__LCD_DATA13		0x79
+			MX7D_PAD_LCD_DATA14__LCD_DATA14		0x79
+			MX7D_PAD_LCD_DATA15__LCD_DATA15		0x79
+			MX7D_PAD_LCD_DATA16__LCD_DATA16		0x79
+			MX7D_PAD_LCD_DATA17__LCD_DATA17		0x79
+			MX7D_PAD_LCD_DATA18__LCD_DATA18		0x79
+			MX7D_PAD_LCD_DATA19__LCD_DATA19		0x79
+			MX7D_PAD_LCD_DATA20__LCD_DATA20		0x79
+			MX7D_PAD_LCD_DATA21__LCD_DATA21		0x79
+			MX7D_PAD_LCD_DATA22__LCD_DATA22		0x79
+			MX7D_PAD_LCD_DATA23__LCD_DATA23		0x79
+			MX7D_PAD_LCD_CLK__LCD_CLK		0x79
+			MX7D_PAD_LCD_ENABLE__LCD_ENABLE		0x79
+			MX7D_PAD_LCD_VSYNC__LCD_VSYNC		0x79
+			MX7D_PAD_LCD_HSYNC__LCD_HSYNC		0x79
+			MX7D_PAD_LCD_RESET__LCD_RESET		0x79
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79
+			MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX	0x79
+		>;
+	};
+
+	pinctrl_uart3: uart3grp {
+		fsl,pins = <
+			MX7D_PAD_SD3_DATA4__UART3_DCE_RX	0x79
+			MX7D_PAD_SD3_DATA5__UART3_DCE_TX	0x79
+			MX7D_PAD_SD3_DATA6__UART3_DCE_RTS	0x79
+			MX7D_PAD_SD3_DATA7__UART3_DCE_CTS	0x79
+		>;
+	};
+
+	pinctrl_uart6: uart6grp {
+		fsl,pins = <
+			MX7D_PAD_SD1_CD_B__UART6_DCE_RX		0x79
+			MX7D_PAD_SD1_WP__UART6_DCE_TX		0x79
+		>;
+	};
+
+	pinctrl_uart7: uart7grp {
+		fsl,pins = <
+			MX7D_PAD_ECSPI2_SCLK__UART7_DTE_TX	0x79
+			MX7D_PAD_ECSPI2_MOSI__UART7_DTE_RX	0x79
+			MX7D_PAD_ECSPI2_MISO__UART7_DTE_CTS	0x79
+			MX7D_PAD_ECSPI2_SS0__UART7_DTE_RTS	0x79
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX7D_PAD_SD1_CMD__SD1_CMD		0x59
+			MX7D_PAD_SD1_CLK__SD1_CLK		0x19
+			MX7D_PAD_SD1_DATA0__SD1_DATA0		0x59
+			MX7D_PAD_SD1_DATA1__SD1_DATA1		0x59
+			MX7D_PAD_SD1_DATA2__SD1_DATA2		0x59
+			MX7D_PAD_SD1_DATA3__SD1_DATA3		0x59
+		>;
+	};
+
+	pinctrl_usdhc3: usdhc3grp {
+		fsl,pins = <
+			MX7D_PAD_SD3_CMD__SD3_CMD		0x59
+			MX7D_PAD_SD3_CLK__SD3_CLK		0x0D
+			MX7D_PAD_SD3_DATA0__SD3_DATA0		0x59
+			MX7D_PAD_SD3_DATA1__SD3_DATA1		0x59
+			MX7D_PAD_SD3_DATA2__SD3_DATA2		0x59
+			MX7D_PAD_SD3_DATA3__SD3_DATA3		0x59
+		>;
+	};
+
+	pinctrl_wlan_irq: wlanirqgrp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_TX_SYNC__GPIO6_IO14	0x19
+		>;
+	};
+
+	pinctrl_wlreg_on: wlregongrp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_TX_DATA__GPIO6_IO15	0x19
+		>;
+	};
+};