usb: host: Add ehci-vf USB driver for ARM Vybrid SoC's

This driver adds support for the USB peripheral on Freescale Vybrid
SoC's.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
diff --git a/arch/arm/include/asm/arch-vf610/crm_regs.h b/arch/arm/include/asm/arch-vf610/crm_regs.h
index 78708e2..bc6db2a 100644
--- a/arch/arm/include/asm/arch-vf610/crm_regs.h
+++ b/arch/arm/include/asm/arch-vf610/crm_regs.h
@@ -189,6 +189,7 @@
 #define CCM_REG_CTRL_MASK			0xffffffff
 #define CCM_CCGR0_UART0_CTRL_MASK               (0x3 << 14)
 #define CCM_CCGR0_UART1_CTRL_MASK		(0x3 << 16)
+#define CCM_CCGR1_USBC0_CTRL_MASK       (0x3 << 8)
 #define CCM_CCGR1_PIT_CTRL_MASK			(0x3 << 14)
 #define CCM_CCGR1_WDOGA5_CTRL_MASK		(0x3 << 28)
 #define CCM_CCGR2_QSPI0_CTRL_MASK		(0x3 << 8)
@@ -207,14 +208,23 @@
 #define CCM_CCGR6_OCOTP_CTRL_MASK		(0x3 << 10)
 #define CCM_CCGR6_DDRMC_CTRL_MASK		(0x3 << 28)
 #define CCM_CCGR7_SDHC1_CTRL_MASK		(0x3 << 4)
+#define CCM_CCGR7_USBC1_CTRL_MASK       (0x3 << 8)
 #define CCM_CCGR9_FEC0_CTRL_MASK		0x3
 #define CCM_CCGR9_FEC1_CTRL_MASK		(0x3 << 2)
 #define CCM_CCGR10_NFC_CTRL_MASK		0x3
 
+#define ANADIG_PLL7_CTRL_BYPASS         (1 << 16)
+#define ANADIG_PLL7_CTRL_ENABLE         (1 << 13)
+#define ANADIG_PLL7_CTRL_POWERDOWN      (1 << 12)
+#define ANADIG_PLL7_CTRL_DIV_SELECT     (1 << 1)
 #define ANADIG_PLL5_CTRL_BYPASS                 (1 << 16)
 #define ANADIG_PLL5_CTRL_ENABLE                 (1 << 13)
 #define ANADIG_PLL5_CTRL_POWERDOWN              (1 << 12)
 #define ANADIG_PLL5_CTRL_DIV_SELECT		1
+#define ANADIG_PLL3_CTRL_BYPASS         (1 << 16)
+#define ANADIG_PLL3_CTRL_ENABLE         (1 << 13)
+#define ANADIG_PLL3_CTRL_POWERDOWN      (1 << 12)
+#define ANADIG_PLL3_CTRL_DIV_SELECT     (1 << 1)
 #define ANADIG_PLL2_CTRL_ENABLE			(1 << 13)
 #define ANADIG_PLL2_CTRL_POWERDOWN		(1 << 12)
 #define ANADIG_PLL2_CTRL_DIV_SELECT		1
diff --git a/arch/arm/include/asm/arch-vf610/imx-regs.h b/arch/arm/include/asm/arch-vf610/imx-regs.h
index bf41971..a7d765a 100644
--- a/arch/arm/include/asm/arch-vf610/imx-regs.h
+++ b/arch/arm/include/asm/arch-vf610/imx-regs.h
@@ -52,6 +52,7 @@
 #define SAI2_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00031000)
 #define SAI3_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00032000)
 #define CRC_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00033000)
+#define USBC0_BASE_ADDR     (AIPS0_BASE_ADDR + 0x00034000)
 #define PDB_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00036000)
 #define PIT_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00037000)
 #define FTM0_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00038000)
@@ -65,6 +66,8 @@
 #define QSPI0_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00044000)
 #define IOMUXC_BASE_ADDR	(AIPS0_BASE_ADDR + 0x00048000)
 #define ANADIG_BASE_ADDR	(AIPS0_BASE_ADDR + 0x00050000)
+#define USB_PHY0_BASE_ADDR  (AIPS0_BASE_ADDR + 0x00050800)
+#define USB_PHY1_BASE_ADDR  (AIPS0_BASE_ADDR + 0x00050C00)
 #define SCSC_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00052000)
 #define ASRC_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00060000)
 #define SPDIF_BASE_ADDR		(AIPS0_BASE_ADDR + 0x00061000)
@@ -84,6 +87,7 @@
 #define DDR_BASE_ADDR		(AIPS1_BASE_ADDR + 0x0002E000)
 #define ESDHC0_BASE_ADDR	(AIPS1_BASE_ADDR + 0x00031000)
 #define ESDHC1_BASE_ADDR	(AIPS1_BASE_ADDR + 0x00032000)
+#define USBC1_BASE_ADDR     (AIPS1_BASE_ADDR + 0x00034000)
 #define ENET_BASE_ADDR		(AIPS1_BASE_ADDR + 0x00050000)
 #define ENET1_BASE_ADDR		(AIPS1_BASE_ADDR + 0x00051000)
 #define NFC_BASE_ADDR		(AIPS1_BASE_ADDR + 0x00060000)
diff --git a/arch/arm/include/asm/imx-common/regs-usbphy.h b/arch/arm/include/asm/imx-common/regs-usbphy.h
new file mode 100644
index 0000000..220e45f
--- /dev/null
+++ b/arch/arm/include/asm/imx-common/regs-usbphy.h
@@ -0,0 +1,26 @@
+/*
+ * Freescale USB PHY Register Definitions
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+
+#ifndef __REGS_USBPHY_H__
+#define __REGS_USBPHY_H__
+
+#define USBPHY_CTRL						0x00000030
+#define USBPHY_CTRL_SET					0x00000034
+#define USBPHY_CTRL_CLR					0x00000038
+#define USBPHY_CTRL_TOG					0x0000003C
+#define USBPHY_PWD						0x00000000
+#define USBPHY_TX						0x00000010
+#define USBPHY_RX						0x00000020
+#define USBPHY_DEBUG					0x00000050
+
+#define USBPHY_CTRL_ENUTMILEVEL2		(1 << 14)
+#define USBPHY_CTRL_ENUTMILEVEL3		(1 << 15)
+#define USBPHY_CTRL_OTG_ID				(1 << 27)
+#define USBPHY_CTRL_CLKGATE				(1 << 30)
+#define USBPHY_CTRL_SFTRST				(1 << 31)
+
+#endif /* __REGS_USBPHY_H__ */