imx: imx6ul_evk: Enable DM driver for iMX6UL EVK u-boot

Convert the codes and configurations to enable DM drivers in u-boot for
modules: i2c, PMIC, regulator, USB, Ethernet, SD/MMC, GPIO and QSPI

This patch does not change SPL, so it still uses non-DM driver for
UART, GPIO and SD/MMC.

Signed-off-by: Ye Li <ye.li@nxp.com>

4 files changed, 82 insertions, 176 deletions

diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
index 1c9ffdaa16..595ad76bbe 100644
--- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
+++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
@@ -59,158 +59,47 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define ENET_CLK_PAD_CTRL  (PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST)
 
-#define IOX_SDI IMX_GPIO_NR(5, 10)
-#define IOX_STCP IMX_GPIO_NR(5, 7)
-#define IOX_SHCP IMX_GPIO_NR(5, 11)
-#define IOX_OE IMX_GPIO_NR(5, 8)
-
-static iomux_v3_cfg_t const iox_pads[] = {
-	/* IOX_SDI */
-	MX6_PAD_BOOT_MODE0__GPIO5_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
-	/* IOX_SHCP */
-	MX6_PAD_BOOT_MODE1__GPIO5_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
-	/* IOX_STCP */
-	MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
-	/* IOX_nOE */
-	MX6_PAD_SNVS_TAMPER8__GPIO5_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
-/*
- * HDMI_nRST --> Q0
- * ENET1_nRST --> Q1
- * ENET2_nRST --> Q2
- * CAN1_2_STBY --> Q3
- * BT_nPWD --> Q4
- * CSI_RST --> Q5
- * CSI_PWDN --> Q6
- * LCD_nPWREN --> Q7
- */
-enum qn {
-	HDMI_NRST,
-	ENET1_NRST,
-	ENET2_NRST,
-	CAN1_2_STBY,
-	BT_NPWD,
-	CSI_RST,
-	CSI_PWDN,
-	LCD_NPWREN,
-};
-
-enum qn_func {
-	qn_reset,
-	qn_enable,
-	qn_disable,
-};
-
-enum qn_level {
-	qn_low = 0,
-	qn_high = 1,
-};
-
-static enum qn_level seq[3][2] = {
-	{0, 1}, {1, 1}, {0, 0}
-};
-
-static enum qn_func qn_output[8] = {
-	qn_reset, qn_reset, qn_reset, qn_enable, qn_disable, qn_reset,
-	qn_disable, qn_disable
-};
+#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
+	PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |		\
+	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
-static void iox74lv_init(void)
+#ifdef CONFIG_DM_PMIC
+int power_init_board(void)
 {
-	int i;
+	struct udevice *dev;
+	int ret, dev_id, rev_id;
+	unsigned int reg;
+
+	ret = pmic_get("pfuze3000", &dev);
+	if (ret == -ENODEV)
+		return 0;
+	if (ret != 0)
+		return ret;
 
-	gpio_direction_output(IOX_OE, 0);
+	dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
+	rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
+	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
 
-	for (i = 7; i >= 0; i--) {
-		gpio_direction_output(IOX_SHCP, 0);
-		gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
-		udelay(500);
-		gpio_direction_output(IOX_SHCP, 1);
-		udelay(500);
-	}
+	/* disable Low Power Mode during standby mode */
+	reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL);
+	reg |= 0x1;
+	pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg);
 
-	gpio_direction_output(IOX_STCP, 0);
-	udelay(500);
-	/*
-	 * shift register will be output to pins
-	 */
-	gpio_direction_output(IOX_STCP, 1);
-
-	for (i = 7; i >= 0; i--) {
-		gpio_direction_output(IOX_SHCP, 0);
-		gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
-		udelay(500);
-		gpio_direction_output(IOX_SHCP, 1);
-		udelay(500);
-	}
-	gpio_direction_output(IOX_STCP, 0);
-	udelay(500);
-	/*
-	 * shift register will be output to pins
-	 */
-	gpio_direction_output(IOX_STCP, 1);
-};
+	/* SW1B step ramp up time from 2us to 4us/25mV */
+	reg = 0x40;
+	pmic_reg_write(dev, PFUZE3000_SW1BCONF, reg);
 
-#ifdef CONFIG_SYS_I2C_MXC
-#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
-/* I2C1 for PMIC and EEPROM */
-static struct i2c_pads_info i2c_pad_info1 = {
-	.scl = {
-		.i2c_mode =  MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC,
-		.gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC,
-		.gp = IMX_GPIO_NR(1, 28),
-	},
-	.sda = {
-		.i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC,
-		.gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC,
-		.gp = IMX_GPIO_NR(1, 29),
-	},
-};
+	/* SW1B mode to APS/PFM */
+	reg = 0xc;
+	pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg);
 
-#ifdef CONFIG_POWER
-#define I2C_PMIC       0
-int power_init_board(void)
-{
-	if (is_mx6ul_9x9_evk()) {
-		struct pmic *pfuze;
-		int ret;
-		unsigned int reg, rev_id;
-
-		ret = power_pfuze3000_init(I2C_PMIC);
-		if (ret)
-			return ret;
-
-		pfuze = pmic_get("PFUZE3000");
-		ret = pmic_probe(pfuze);
-		if (ret)
-			return ret;
-
-		pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
-		pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
-		printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n",
-		       reg, rev_id);
-
-		/* disable Low Power Mode during standby mode */
-		pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
-
-		/* SW1B step ramp up time from 2us to 4us/25mV */
-		reg = 0x40;
-		pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);
-
-		/* SW1B mode to APS/PFM */
-		reg = 0xc;
-		pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);
-
-		/* SW1B standby voltage set to 0.975V */
-		reg = 0xb;
-		pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
-	}
+	/* SW1B standby voltage set to 0.975V */
+	reg = 0xb;
+	pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg);
 
 	return 0;
 }
 #endif
-#endif
 
 int dram_init(void)
 {
@@ -294,25 +183,8 @@ static void setup_iomux_uart(void)
 }
 
 #ifdef CONFIG_FSL_QSPI
-
-#define QSPI_PAD_CTRL1	\
-	(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
-	 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)
-
-static iomux_v3_cfg_t const quadspi_pads[] = {
-	MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
-	MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
-	MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
-	MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
-	MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
-	MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
-};
-
 static int board_qspi_init(void)
 {
-	/* Set the iomux */
-	imx_iomux_v3_setup_multiple_pads(quadspi_pads,
-					 ARRAY_SIZE(quadspi_pads));
 	/* Set the clock */
 	enable_qspi_clk(0);
 
@@ -349,6 +221,7 @@ int board_mmc_getcd(struct mmc *mmc)
 		ret = 1;
 #else
 		imx_iomux_v3_setup_pad(usdhc2_cd_pad);
+		gpio_request(USDHC2_CD_GPIO, "usdhc2 cd");
 		gpio_direction_input(USDHC2_CD_GPIO);
 
 		/*
@@ -393,6 +266,7 @@ int board_mmc_init(bd_t *bis)
 		case 0:
 			imx_iomux_v3_setup_multiple_pads(
 				usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+			gpio_request(USDHC1_CD_GPIO, "usdhc1 cd");
 			gpio_direction_input(USDHC1_CD_GPIO);
 			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 
@@ -408,6 +282,7 @@ int board_mmc_init(bd_t *bis)
 			imx_iomux_v3_setup_multiple_pads(
 				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 #endif
+			gpio_request(USDHC2_PWR_GPIO, "usdhc2 pwr");
 			gpio_direction_output(USDHC2_PWR_GPIO, 0);
 			udelay(500);
 			gpio_direction_output(USDHC2_PWR_GPIO, 1);
@@ -430,11 +305,13 @@ int board_mmc_init(bd_t *bis)
 #endif
 
 #ifdef CONFIG_USB_EHCI_MX6
+#ifndef CONFIG_DM_USB
+
 #define USB_OTHERREGS_OFFSET	0x800
 #define UCTRL_PWR_POL		(1 << 9)
 
 static iomux_v3_cfg_t const usb_otg_pads[] = {
-	MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
+	MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
 };
 
 /* At default the 3v3 enables the MIC2026 for VBUS power */
@@ -468,6 +345,7 @@ int board_ehci_hcd_init(int port)
 	return 0;
 }
 #endif
+#endif
 
 #ifdef CONFIG_FEC_MXC
 /*
@@ -606,11 +484,13 @@ static int setup_lcd(void)
 	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
 
 	/* Reset the LCD */
+	gpio_request(IMX_GPIO_NR(5, 9), "lcd reset");
 	gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
 	udelay(500);
 	gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
 
 	/* Set Brightness to high */
+	gpio_request(IMX_GPIO_NR(1, 8), "backlight");
 	gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
 
 	return 0;
@@ -629,21 +509,15 @@ int board_init(void)
 	/* Address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-	imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads));
-
-	iox74lv_init();
-
-#ifdef CONFIG_SYS_I2C_MXC
-	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
-#endif
-
 #ifdef	CONFIG_FEC_MXC
 	setup_fec(CONFIG_FEC_ENET_DEV);
 #endif
 
 #ifdef CONFIG_USB_EHCI_MX6
+#ifndef CONFIG_DM_USB
 	setup_usb();
 #endif
+#endif
 
 #ifdef CONFIG_FSL_QSPI
 	board_qspi_init();
diff --git a/configs/mx6ul_14x14_evk_defconfig b/configs/mx6ul_14x14_evk_defconfig
index 038f3a6354..64ddc4f0c7 100644
--- a/configs/mx6ul_14x14_evk_defconfig
+++ b/configs/mx6ul_14x14_evk_defconfig
@@ -5,6 +5,7 @@ CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_TARGET_MX6UL_14X14_EVK=y
+CONFIG_DEFAULT_DEVICE_TREE="imx6ul-14x14-evk"
 CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL=y
@@ -30,11 +31,18 @@ CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_BMP=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_NET=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_DM_MMC=y
+CONFIG_DM_SPI=y
+CONFIG_DM_SPI_FLASH=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_FSL_ESDHC=y
@@ -45,8 +53,15 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_MII=y
 CONFIG_SPI=y
+CONFIG_SOFT_SPI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_FSL_QSPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_VIDEO=y
-CONFIG_OF_LIBFDT=y
+CONFIG_DM_ETH=y
diff --git a/configs/mx6ul_9x9_evk_defconfig b/configs/mx6ul_9x9_evk_defconfig
index 5e02073419..af8939f76a 100644
--- a/configs/mx6ul_9x9_evk_defconfig
+++ b/configs/mx6ul_9x9_evk_defconfig
@@ -5,6 +5,7 @@ CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_TARGET_MX6UL_9X9_EVK=y
+CONFIG_DEFAULT_DEVICE_TREE="imx6ul-9x9-evk"
 CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL=y
@@ -30,11 +31,18 @@ CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_BMP=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_NET=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_DM_MMC=y
+CONFIG_DM_SPI=y
+CONFIG_DM_SPI_FLASH=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_FSL_ESDHC=y
@@ -45,8 +53,18 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_MII=y
 CONFIG_SPI=y
+CONFIG_SOFT_SPI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_PFUZE100=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_PFUZE100=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_FSL_QSPI=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_VIDEO=y
-CONFIG_OF_LIBFDT=y
+CONFIG_DM_ETH=y
diff --git a/include/configs/mx6ul_14x14_evk.h b/include/configs/mx6ul_14x14_evk.h
index 3ad2518dce..c8c088e665 100644
--- a/include/configs/mx6ul_14x14_evk.h
+++ b/include/configs/mx6ul_14x14_evk.h
@@ -38,17 +38,14 @@
 
 /* I2C configs */
 #ifdef CONFIG_CMD_I2C
-#define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_MXC
 #define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
 #define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
 #define CONFIG_SYS_I2C_SPEED		100000
+#endif
 
-/* PMIC only for 9X9 EVK */
-#define CONFIG_POWER
-#define CONFIG_POWER_I2C
-#define CONFIG_POWER_PFUZE3000
-#define CONFIG_POWER_PFUZE3000_I2C_ADDR  0x08
+#ifdef CONFIG_DM_GPIO
+#define CONFIG_DM_74X164
 #endif
 
 #define CONFIG_SYS_MMC_IMG_LOAD_PART	1
@@ -166,6 +163,7 @@
 #define CONFIG_MMCROOT			"/dev/mmcblk1p2"  /* USDHC2 */
 
 #ifdef CONFIG_FSL_QSPI
+#define CONFIG_SYS_FSL_QSPI_AHB
 #define CONFIG_SF_DEFAULT_BUS		0
 #define CONFIG_SF_DEFAULT_CS		0
 #define CONFIG_SF_DEFAULT_SPEED	40000000
@@ -190,12 +188,13 @@
 #define IMX_FEC_BASE			ENET_BASE_ADDR
 #define CONFIG_FEC_MXC_PHYADDR          0x2
 #define CONFIG_FEC_XCV_TYPE             RMII
+#define CONFIG_ETHPRIME			"eth0"
 #elif (CONFIG_FEC_ENET_DEV == 1)
 #define IMX_FEC_BASE			ENET2_BASE_ADDR
 #define CONFIG_FEC_MXC_PHYADDR		0x1
 #define CONFIG_FEC_XCV_TYPE		RMII
+#define CONFIG_ETHPRIME			"eth1"
 #endif
-#define CONFIG_ETHPRIME			"FEC"
 #endif
 
 #define CONFIG_IMX_THERMAL