arm: imx: add i.MX6ULL 14x14 EVK board support

Add i.MX6ULL EVK board support:
Add device tree file, which is copied from NXP Linux.
Enabled DM_MMC, DM_GPIO, DM_I2C, DM_SPI, PINCTRL, DM_REGULATOR.
The uart iomux settings are still keeped in board file.

Boot Log:
U-Boot 2016.09-rc1-00366-gbb419ef-dirty (Aug 11 2016 - 13:08:58 +0800)

CPU:   Freescale i.MX6ULL rev1.0 at 396MHz
CPU:   Commercial temperature grade (0C to 95C) at 15C
Reset cause: POR
Model: Freescale i.MX6 ULL 14x14 EVK Board
Board: MX6ULL 14x14 EVK
DRAM:  512 MiB
MMC:   initialized IMX pinctrl driver
FSL_SDHC: 0, FSL_SDHC: 1
In:    serial
Out:   serial
Err:   serial
Net:   CPU Net Initialization Failed
No ethernet found.
Hit any key to stop autoboot:  0
=> mmc dev 1
switch to partitions #0, OK
mmc1 is current device

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>

1 files changed, 527 insertions, 0 deletions

diff --git a/arch/arm/dts/imx6ull-14x14-evk.dts b/arch/arm/dts/imx6ull-14x14-evk.dts
new file mode 100644
index 0000000..375bd4e
--- /dev/null
+++ b/arch/arm/dts/imx6ull-14x14-evk.dts
@@ -0,0 +1,527 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include "imx6ull.dtsi"
+
+/ {
+	model = "Freescale i.MX6 ULL 14x14 EVK Board";
+	compatible = "fsl,imx6ull-14x14-evk", "fsl,imx6ull";
+
+	chosen {
+		stdout-path = &uart1;
+	};
+
+	memory {
+		reg = <0x80000000 0x20000000>;
+	};
+
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm1 0 5000000>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+		status = "okay";
+	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reg_can_3v3: regulator@0 {
+			compatible = "regulator-fixed";
+			reg = <0>;
+			regulator-name = "can-3v3";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpios = <&gpio_spi 3 GPIO_ACTIVE_LOW>;
+		};
+
+		reg_sd1_vmmc: regulator@1 {
+			compatible = "regulator-fixed";
+			regulator-name = "VSD_3V3";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+		};
+
+		reg_gpio_dvfs: regulator-gpio {
+			compatible = "regulator-gpio";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_dvfs>;
+			regulator-min-microvolt = <1300000>;
+			regulator-max-microvolt = <1400000>;
+			regulator-name = "gpio_dvfs";
+			regulator-type = "voltage";
+			gpios = <&gpio5 3 GPIO_ACTIVE_HIGH>;
+			states = <1300000 0x1 1400000 0x0>;
+		};
+	};
+
+	spi4 {
+		compatible = "spi-gpio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_spi4>;
+		status = "okay";
+		gpio-sck = <&gpio5 11 0>;
+		gpio-mosi = <&gpio5 10 0>;
+		cs-gpios = <&gpio5 7 0>;
+		num-chipselects = <1>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio_spi: gpio_spi@0 {
+			compatible = "fairchild,74hc595";
+			gpio-controller;
+			oe-gpios = <&gpio5 8 0>;
+			#gpio-cells = <2>;
+			reg = <0>;
+			registers-number = <1>;
+			registers-default = /bits/ 8 <0x57>;
+			spi-max-frequency = <100000>;
+		};
+	};
+};
+
+&cpu0 {
+	arm-supply = <&reg_arm>;
+	soc-supply = <&reg_soc>;
+	dc-supply = <&reg_gpio_dvfs>;
+};
+
+&clks {
+	assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
+	assigned-clock-rates = <786432000>;
+};
+
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet1>;
+	phy-mode = "rmii";
+	phy-handle = <&ethphy0>;
+	status = "okay";
+};
+
+&fec2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet2>;
+	phy-mode = "rmii";
+	phy-handle = <&ethphy1>;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy@2 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <2>;
+		};
+
+		ethphy1: ethernet-phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+		};
+	};
+};
+
+&gpc {
+	fsl,cpu_pupscr_sw2iso = <0x1>;
+	fsl,cpu_pupscr_sw = <0x0>;
+	fsl,cpu_pdnscr_iso2sw = <0x1>;
+	fsl,cpu_pdnscr_iso = <0x1>;
+	fsl,ldo-bypass = <0>; /* DCDC, ldo-enable */
+};
+
+&i2c1 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+
+	mag3110@0e {
+		compatible = "fsl,mag3110";
+		reg = <0x0e>;
+		position = <2>;
+	};
+
+	fxls8471@1e {
+		compatible = "fsl,fxls8471";
+		reg = <0x1e>;
+		position = <0>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <0 8>;
+	};
+};
+
+&i2c2 {
+	clock_frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog_1>;
+	imx6ul-evk {
+		pinctrl_hog_1: hoggrp-1 {
+			fsl,pins = <
+				MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x17059 /* SD1 CD */
+				MX6UL_PAD_GPIO1_IO05__USDHC1_VSELECT	0x17059 /* SD1 VSELECT */
+				MX6UL_PAD_GPIO1_IO09__GPIO1_IO09        0x17059 /* SD1 RESET */
+			>;
+		};
+
+		pinctrl_csi1: csi1grp {
+			fsl,pins = <
+				MX6UL_PAD_CSI_MCLK__CSI_MCLK		0x1b088
+				MX6UL_PAD_CSI_PIXCLK__CSI_PIXCLK	0x1b088
+				MX6UL_PAD_CSI_VSYNC__CSI_VSYNC		0x1b088
+				MX6UL_PAD_CSI_HSYNC__CSI_HSYNC		0x1b088
+				MX6UL_PAD_CSI_DATA00__CSI_DATA02	0x1b088
+				MX6UL_PAD_CSI_DATA01__CSI_DATA03	0x1b088
+				MX6UL_PAD_CSI_DATA02__CSI_DATA04	0x1b088
+				MX6UL_PAD_CSI_DATA03__CSI_DATA05	0x1b088
+				MX6UL_PAD_CSI_DATA04__CSI_DATA06	0x1b088
+				MX6UL_PAD_CSI_DATA05__CSI_DATA07	0x1b088
+				MX6UL_PAD_CSI_DATA06__CSI_DATA08	0x1b088
+				MX6UL_PAD_CSI_DATA07__CSI_DATA09	0x1b088
+			>;
+		};
+
+		pinctrl_enet1: enet1grp {
+			fsl,pins = <
+				MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN	0x1b0b0
+				MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER	0x1b0b0
+				MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00	0x1b0b0
+				MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01	0x1b0b0
+				MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN	0x1b0b0
+				MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00	0x1b0b0
+				MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01	0x1b0b0
+				MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1	0x4001b031
+			>;
+		};
+
+		pinctrl_enet2: enet2grp {
+			fsl,pins = <
+				MX6UL_PAD_GPIO1_IO07__ENET2_MDC		0x1b0b0
+				MX6UL_PAD_GPIO1_IO06__ENET2_MDIO	0x1b0b0
+				MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN	0x1b0b0
+				MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER	0x1b0b0
+				MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00	0x1b0b0
+				MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01	0x1b0b0
+				MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN	0x1b0b0
+				MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00	0x1b0b0
+				MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01	0x1b0b0
+				MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2	0x4001b031
+			>;
+		};
+
+		pinctrl_flexcan1: flexcan1grp{
+			fsl,pins = <
+				MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX	0x1b020
+				MX6UL_PAD_UART3_CTS_B__FLEXCAN1_TX	0x1b020
+			>;
+		};
+
+		pinctrl_flexcan2: flexcan2grp{
+			fsl,pins = <
+				MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX	0x1b020
+				MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX	0x1b020
+			>;
+		};
+
+		pinctrl_i2c1: i2c1grp {
+			fsl,pins = <
+				MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0
+				MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0
+			>;
+		};
+
+		pinctrl_i2c2: i2c2grp {
+			fsl,pins = <
+				MX6UL_PAD_UART5_TX_DATA__I2C2_SCL 0x4001b8b0
+				MX6UL_PAD_UART5_RX_DATA__I2C2_SDA 0x4001b8b0
+			>;
+		};
+
+		pinctrl_lcdif_dat: lcdifdatgrp {
+			fsl,pins = <
+				MX6UL_PAD_LCD_DATA00__LCDIF_DATA00  0x79
+				MX6UL_PAD_LCD_DATA01__LCDIF_DATA01  0x79
+				MX6UL_PAD_LCD_DATA02__LCDIF_DATA02  0x79
+				MX6UL_PAD_LCD_DATA03__LCDIF_DATA03  0x79
+				MX6UL_PAD_LCD_DATA04__LCDIF_DATA04  0x79
+				MX6UL_PAD_LCD_DATA05__LCDIF_DATA05  0x79
+				MX6UL_PAD_LCD_DATA06__LCDIF_DATA06  0x79
+				MX6UL_PAD_LCD_DATA07__LCDIF_DATA07  0x79
+				MX6UL_PAD_LCD_DATA08__LCDIF_DATA08  0x79
+				MX6UL_PAD_LCD_DATA09__LCDIF_DATA09  0x79
+				MX6UL_PAD_LCD_DATA10__LCDIF_DATA10  0x79
+				MX6UL_PAD_LCD_DATA11__LCDIF_DATA11  0x79
+				MX6UL_PAD_LCD_DATA12__LCDIF_DATA12  0x79
+				MX6UL_PAD_LCD_DATA13__LCDIF_DATA13  0x79
+				MX6UL_PAD_LCD_DATA14__LCDIF_DATA14  0x79
+				MX6UL_PAD_LCD_DATA15__LCDIF_DATA15  0x79
+				MX6UL_PAD_LCD_DATA16__LCDIF_DATA16  0x79
+				MX6UL_PAD_LCD_DATA17__LCDIF_DATA17  0x79
+				MX6UL_PAD_LCD_DATA18__LCDIF_DATA18  0x79
+				MX6UL_PAD_LCD_DATA19__LCDIF_DATA19  0x79
+				MX6UL_PAD_LCD_DATA20__LCDIF_DATA20  0x79
+				MX6UL_PAD_LCD_DATA21__LCDIF_DATA21  0x79
+				MX6UL_PAD_LCD_DATA22__LCDIF_DATA22  0x79
+				MX6UL_PAD_LCD_DATA23__LCDIF_DATA23  0x79
+			>;
+		};
+
+		pinctrl_lcdif_ctrl: lcdifctrlgrp {
+			fsl,pins = <
+				MX6UL_PAD_LCD_CLK__LCDIF_CLK	    0x79
+				MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE  0x79
+				MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC    0x79
+				MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC    0x79
+			>;
+		};
+
+		pinctrl_pwm1: pwm1grp {
+			fsl,pins = <
+				MX6UL_PAD_GPIO1_IO08__PWM1_OUT   0x110b0
+			>;
+		};
+
+		pinctrl_qspi: qspigrp {
+			fsl,pins = <
+				MX6UL_PAD_NAND_WP_B__QSPI_A_SCLK      0x70a1
+				MX6UL_PAD_NAND_READY_B__QSPI_A_DATA00 0x70a1
+				MX6UL_PAD_NAND_CE0_B__QSPI_A_DATA01   0x70a1
+				MX6UL_PAD_NAND_CE1_B__QSPI_A_DATA02   0x70a1
+				MX6UL_PAD_NAND_CLE__QSPI_A_DATA03     0x70a1
+				MX6UL_PAD_NAND_DQS__QSPI_A_SS0_B      0x70a1
+			>;
+		};
+
+		pinctrl_uart1: uart1grp {
+			fsl,pins = <
+				MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
+				MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
+			>;
+		};
+
+		pinctrl_uart2: uart2grp {
+			fsl,pins = <
+				MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
+				MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
+				MX6UL_PAD_UART3_RX_DATA__UART2_DCE_RTS	0x1b0b1
+				MX6UL_PAD_UART3_TX_DATA__UART2_DCE_CTS	0x1b0b1
+			>;
+		};
+
+		pinctrl_uart2dte: uart2dtegrp {
+			fsl,pins = <
+				MX6UL_PAD_UART2_TX_DATA__UART2_DTE_RX	0x1b0b1
+				MX6UL_PAD_UART2_RX_DATA__UART2_DTE_TX	0x1b0b1
+				MX6UL_PAD_UART3_RX_DATA__UART2_DTE_CTS	0x1b0b1
+				MX6UL_PAD_UART3_TX_DATA__UART2_DTE_RTS	0x1b0b1
+			>;
+		};
+
+		pinctrl_usdhc1: usdhc1grp {
+			fsl,pins = <
+				MX6UL_PAD_SD1_CMD__USDHC1_CMD     0x17059
+				MX6UL_PAD_SD1_CLK__USDHC1_CLK     0x10071
+				MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
+				MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
+				MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
+				MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
+			>;
+		};
+
+		pinctrl_usdhc2: usdhc2grp {
+			fsl,pins = <
+				MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x10069
+				MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x17059
+				MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
+				MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
+				MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
+				MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
+			>;
+		};
+
+		pinctrl_wdog: wdoggrp {
+			fsl,pins = <
+				MX6UL_PAD_LCD_RESET__WDOG1_WDOG_ANY    0x30b0
+			>;
+		};
+	};
+};
+
+&iomuxc_snvs {
+	pinctrl-names = "default_snvs";
+        pinctrl-0 = <&pinctrl_hog_2>;
+        imx6ul-evk {
+		pinctrl_hog_2: hoggrp-2 {
+                        fsl,pins = <
+                                MX6ULL_PAD_SNVS_TAMPER0__GPIO5_IO00      0x80000000
+                        >;
+                };
+
+		pinctrl_dvfs: dvfsgrp {
+                        fsl,pins = <
+                                MX6ULL_PAD_SNVS_TAMPER3__GPIO5_IO03      0x79
+                        >;
+                };
+
+		pinctrl_lcdif_reset: lcdifresetgrp {
+                        fsl,pins = <
+                                /* used for lcd reset */
+                                MX6ULL_PAD_SNVS_TAMPER9__GPIO5_IO09  0x79
+                        >;
+                };
+
+		pinctrl_spi4: spi4grp {
+                        fsl,pins = <
+                                MX6ULL_PAD_BOOT_MODE0__GPIO5_IO10        0x70a1
+                                MX6ULL_PAD_BOOT_MODE1__GPIO5_IO11        0x70a1
+                                MX6ULL_PAD_SNVS_TAMPER7__GPIO5_IO07      0x70a1
+                                MX6ULL_PAD_SNVS_TAMPER8__GPIO5_IO08      0x80000000
+                        >;
+                };
+
+                pinctrl_sai2_hp_det_b: sai2_hp_det_grp {
+                        fsl,pins = <
+                                MX6ULL_PAD_SNVS_TAMPER4__GPIO5_IO04   0x17059
+                        >;
+                };
+        };
+};
+
+
+&lcdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lcdif_dat
+		     &pinctrl_lcdif_ctrl
+		     &pinctrl_lcdif_reset>;
+	display = <&display0>;
+	status = "okay";
+
+	display0: display {
+		bits-per-pixel = <16>;
+		bus-width = <24>;
+
+		display-timings {
+			native-mode = <&timing0>;
+			timing0: timing0 {
+			clock-frequency = <9200000>;
+			hactive = <480>;
+			vactive = <272>;
+			hfront-porch = <8>;
+			hback-porch = <4>;
+			hsync-len = <41>;
+			vback-porch = <2>;
+			vfront-porch = <4>;
+			vsync-len = <10>;
+
+			hsync-active = <0>;
+			vsync-active = <0>;
+			de-active = <1>;
+			pixelclk-active = <0>;
+			};
+		};
+	};
+};
+
+&pwm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm1>;
+	status = "okay";
+};
+
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_qspi>;
+	status = "okay";
+	ddrsmp=<0>;
+
+	flash0: n25q256a@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "micron,n25q256a";
+		spi-max-frequency = <29000000>;
+		spi-nor,ddr-quad-read-dummy = <6>;
+		reg = <0>;
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	fsl,uart-has-rtscts;
+	/* for DTE mode, add below change */
+	/* fsl,dte-mode; */
+	/* pinctrl-0 = <&pinctrl_uart2dte>; */
+	status = "okay";
+};
+
+&usbotg1 {
+	dr_mode = "otg";
+	srp-disable;
+	hnp-disable;
+	adp-disable;
+	status = "okay";
+};
+
+&usbotg2 {
+	dr_mode = "host";
+	disable-over-current;
+	status = "okay";
+};
+
+&usbphy1 {
+	tx-d-cal = <0x5>;
+};
+
+&usbphy2 {
+	tx-d-cal = <0x5>;
+};
+
+&usdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
+	keep-power-in-suspend;
+	enable-sdio-wakeup;
+	vmmc-supply = <&reg_sd1_vmmc>;
+	status = "okay";
+};
+
+&usdhc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc2>;
+	no-1-8-v;
+	non-removable;
+	keep-power-in-suspend;
+	enable-sdio-wakeup;
+	status = "okay";
+};
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,wdog_b;
+};