Merge git://git.denx.de/u-boot-dm

9 files changed, 243 insertions, 161 deletions

diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index 379f234463..48d7f6a5e6 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -45,19 +45,6 @@
 
 /* general purpose I/O */
 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
-#define CONFIG_AT91_GPIO
-#define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
-
-/* serial console */
-#define CONFIG_ATMEL_USART
-#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
-#define	CONFIG_USART_ID			ATMEL_ID_SYS
-
-/* LED */
-#define CONFIG_AT91_LED
-#define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
-#define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
-
 
 /*
  * BOOTP options
@@ -87,10 +74,10 @@
  */
 #ifdef CONFIG_AT91SAM9XE
 # define CONFIG_SYS_INIT_SP_ADDR \
-	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
+	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 #else
 # define CONFIG_SYS_INIT_SP_ADDR \
-	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
+	(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 #endif
 
 /*
@@ -142,18 +129,6 @@
 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
 #endif
 
-/* MMC */
-#ifdef CONFIG_CMD_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
-#endif
-
-/* Ethernet */
-#define CONFIG_MACB			1
-#define CONFIG_RMII			1
-#define CONFIG_NET_RETRY_COUNT		20
-#define CONFIG_RESET_PHY_R		1
-#define CONFIG_AT91_WANTS_COMMON_PHY
-
 /* USB */
 #define CONFIG_USB_ATMEL
 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
@@ -200,7 +175,7 @@
 
 /* bootstrap + u-boot + env + linux in nandflash */
 #define CONFIG_ENV_IS_IN_NAND	1
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x120000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
diff --git a/include/configs/at91sam9263ek.h b/include/configs/at91sam9263ek.h
index 663c193a5b..e45e4dbddc 100644
--- a/include/configs/at91sam9263ek.h
+++ b/include/configs/at91sam9263ek.h
@@ -45,13 +45,6 @@
  * Hardware drivers
  */
 #define CONFIG_ATMEL_LEGACY
-#define CONFIG_AT91_GPIO		1
-#define CONFIG_AT91_GPIO_PULLUP		1
-
-/* serial console */
-#define CONFIG_ATMEL_USART
-#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
-#define CONFIG_USART_ID			ATMEL_ID_SYS
 
 /* LCD */
 #define LCD_BPP				LCD_COLOR8
@@ -62,13 +55,6 @@
 #define CONFIG_ATMEL_LCD		1
 #define CONFIG_ATMEL_LCD_BGR555		1
 
-/* LED */
-#define CONFIG_AT91_LED
-#define	CONFIG_RED_LED		AT91_PIN_PB7	/* the power led */
-#define	CONFIG_GREEN_LED	AT91_PIN_PB8	/* the user1 led */
-#define	CONFIG_YELLOW_LED	AT91_PIN_PC29	/* the user2 led */
-
-
 /*
  * BOOTP options
  */
@@ -88,7 +74,7 @@
 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
 
 #define CONFIG_SYS_INIT_SP_ADDR \
-	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
+	(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 
 /* DataFlash */
 #define CONFIG_ATMEL_DATAFLASH_SPI
@@ -99,11 +85,6 @@
 #define DATAFLASH_TCSS			(0x1a << 16)
 #define DATAFLASH_TCHS			(0x1 << 24)
 
-/* MMC */
-#ifdef CONFIG_CMD_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
-#endif
-
 /* NOR flash, if populated */
 #ifdef CONFIG_SYS_USE_NORFLASH
 #define CONFIG_SYS_FLASH_CFI			1
@@ -249,9 +230,6 @@
 #endif
 
 /* Ethernet */
-#define CONFIG_MACB			1
-#define CONFIG_RMII			1
-#define CONFIG_NET_RETRY_COUNT		20
 #define CONFIG_RESET_PHY_R		1
 #define CONFIG_AT91_WANTS_COMMON_PHY
 
@@ -287,7 +265,7 @@
 
 /* bootstrap + u-boot + env + linux in nandflash */
 #define CONFIG_ENV_IS_IN_NAND		1
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x120000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
diff --git a/include/configs/at91sam9m10g45ek.h b/include/configs/at91sam9m10g45ek.h
index a62b70b459..010ebdbd40 100644
--- a/include/configs/at91sam9m10g45ek.h
+++ b/include/configs/at91sam9m10g45ek.h
@@ -30,13 +30,6 @@
 
 /* general purpose I/O */
 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
-#define CONFIG_AT91_GPIO
-#define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
-
-/* serial console */
-#define CONFIG_ATMEL_USART
-#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
-#define	CONFIG_USART_ID			ATMEL_ID_SYS
 
 /* LCD */
 #define LCD_BPP				LCD_COLOR8
@@ -49,12 +42,6 @@
 /* board specific(not enough SRAM) */
 #define CONFIG_AT91SAM9G45_LCD_BASE		0x73E00000
 
-/* LED */
-#define CONFIG_AT91_LED
-#define	CONFIG_RED_LED		AT91_PIN_PD31	/* this is the user1 led */
-#define	CONFIG_GREEN_LED	AT91_PIN_PD0	/* this is the user2 led */
-
-
 /*
  * BOOTP options
  */
@@ -75,7 +62,7 @@
 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
 
 #define CONFIG_SYS_INIT_SP_ADDR \
-	(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
+	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 
 /* NAND flash */
 #ifdef CONFIG_CMD_NAND
@@ -92,24 +79,10 @@
 
 #endif
 
-/* MMC */
-
-#ifdef CONFIG_CMD_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
-#endif
-
 /* Ethernet */
-#define CONFIG_MACB
-#define CONFIG_RMII
-#define CONFIG_NET_RETRY_COUNT		20
 #define CONFIG_RESET_PHY_R
 #define CONFIG_AT91_WANTS_COMMON_PHY
 
-/* USB */
-#define CONFIG_USB_EHCI
-#define CONFIG_USB_EHCI_ATMEL
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
-
 #define CONFIG_SYS_LOAD_ADDR		0x22000000	/* load address */
 
 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
@@ -118,7 +91,7 @@
 #ifdef CONFIG_SYS_USE_NANDFLASH
 /* bootstrap + u-boot + env in nandflash */
 #define CONFIG_ENV_IS_IN_NAND
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x120000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE			0x20000
 
diff --git a/include/configs/at91sam9n12ek.h b/include/configs/at91sam9n12ek.h
index dd49f4ebd3..e7b9ad245c 100644
--- a/include/configs/at91sam9n12ek.h
+++ b/include/configs/at91sam9n12ek.h
@@ -28,14 +28,6 @@
 #define CONFIG_INITRD_TAG
 #define CONFIG_SKIP_LOWLEVEL_INIT
 
-/* general purpose I/O */
-#define CONFIG_AT91_GPIO
-
-/* serial console */
-#define CONFIG_ATMEL_USART
-#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
-#define CONFIG_USART_ID			ATMEL_ID_SYS
-
 /* LCD */
 #define LCD_BPP				LCD_COLOR16
 #define LCD_OUTPUT_BPP			24
@@ -45,7 +37,6 @@
 #define CONFIG_ATMEL_HLCD
 #define CONFIG_ATMEL_LCD_RGB565
 
-
 /*
  * BOOTP options
  */
@@ -69,14 +60,11 @@
  * that address while providing maximum stack area below.
  */
 # define CONFIG_SYS_INIT_SP_ADDR \
-	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
+	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 
 /* DataFlash */
 #ifdef CONFIG_CMD_SF
-#define CONFIG_ATMEL_SPI
 #define CONFIG_SF_DEFAULT_SPEED		30000000
-#define CONFIG_ENV_SPI_MODE		SPI_MODE_3
-#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
 #endif
 
 /* NAND flash */
@@ -115,11 +103,6 @@
 	"bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
 	"bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
 
-/* MMC */
-#ifdef CONFIG_CMD_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
-#endif
-
 /* Ethernet */
 #define CONFIG_KS8851_MLL
 #define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
@@ -156,7 +139,7 @@
 
 /* bootstrap + u-boot + env + linux in nandflash */
 #define CONFIG_ENV_IS_IN_NAND
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x120000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND						\
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 31a7cb18d8..7dcf7913de 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -29,18 +29,11 @@
 #define CONFIG_INITRD_TAG		1
 
 #define CONFIG_ATMEL_LEGACY
-#define CONFIG_AT91_GPIO		1
-#define CONFIG_AT91_GPIO_PULLUP		1
 
 /*
  * Hardware drivers
  */
 
-/* serial console */
-#define CONFIG_ATMEL_USART
-#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
-#define CONFIG_USART_ID			ATMEL_ID_SYS
-
 /* LCD */
 #define LCD_BPP				LCD_COLOR8
 #define CONFIG_LCD_LOGO			1
@@ -52,13 +45,6 @@
 /* Let board_init_f handle the framebuffer allocation */
 #undef CONFIG_FB_ADDR
 
-/* LED */
-#define CONFIG_AT91_LED
-#define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
-#define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
-#define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */
-
-
 /*
  * Command line configuration.
  */
@@ -71,7 +57,7 @@
 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
 
 #define CONFIG_SYS_INIT_SP_ADDR \
-	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
+	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 
 /* DataFlash */
 #define CONFIG_ATMEL_DATAFLASH_SPI
@@ -97,12 +83,6 @@
 
 #endif
 
-/* MMC */
-
-#ifdef CONFIG_CMD_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
-#endif
-
 /* Ethernet - not present */
 
 /* USB - not supported */
@@ -130,7 +110,7 @@
 
 /* bootstrap + u-boot + env + linux in nandflash */
 #define CONFIG_ENV_IS_IN_NAND		1
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x120000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x600000; "	\
diff --git a/include/configs/at91sam9x5ek.h b/include/configs/at91sam9x5ek.h
index ff0a78ba43..52a051a137 100644
--- a/include/configs/at91sam9x5ek.h
+++ b/include/configs/at91sam9x5ek.h
@@ -26,12 +26,6 @@
 
 /* general purpose I/O */
 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
-#define CONFIG_AT91_GPIO
-
-/* serial console */
-#define CONFIG_ATMEL_USART
-#define CONFIG_USART_BASE	ATMEL_BASE_DBGU
-#define CONFIG_USART_ID		ATMEL_ID_SYS
 
 /* LCD */
 #define LCD_BPP			LCD_COLOR16
@@ -67,11 +61,10 @@
 #define CONFIG_SYS_SDRAM_SIZE		0x08000000	/* 128 megs */
 
 #define CONFIG_SYS_INIT_SP_ADDR \
-	(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
+	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 
 /* DataFlash */
 #ifdef CONFIG_CMD_SF
-#define CONFIG_ATMEL_SPI
 #define CONFIG_SF_DEFAULT_SPEED		30000000
 #endif
 
@@ -104,23 +97,9 @@
 #define CONFIG_CMD_UBIFS
 #endif
 
-/* MMC */
-#ifdef CONFIG_CMD_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
-#endif
-
-/* Ethernet */
-#define CONFIG_MACB
-#define CONFIG_RMII
-#define CONFIG_NET_RETRY_COUNT		20
-#define CONFIG_MACB_SEARCH_PHY
-
 /* USB */
 #ifdef CONFIG_CMD_USB
-#ifdef CONFIG_USB_EHCI
-#define CONFIG_USB_EHCI_ATMEL
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
-#else
+#ifndef CONFIG_USB_EHCI
 #define CONFIG_USB_ATMEL
 #define CONFIG_USB_ATMEL_CLK_SEL_UPLL
 #define CONFIG_USB_OHCI_NEW
@@ -139,7 +118,7 @@
 #ifdef CONFIG_SYS_USE_NANDFLASH
 /* bootstrap + u-boot + env + linux in nandflash */
 #define CONFIG_ENV_IS_IN_NAND
-#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET		0x120000
 #define CONFIG_ENV_OFFSET_REDUND	0x100000
 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read " \
diff --git a/include/configs/sama5d2_xplained.h b/include/configs/sama5d2_xplained.h
index ea28fce6ef..f044f0e6de 100644
--- a/include/configs/sama5d2_xplained.h
+++ b/include/configs/sama5d2_xplained.h
@@ -20,10 +20,10 @@
 #define CONFIG_SYS_SDRAM_SIZE		0x20000000
 
 #ifdef CONFIG_SPL_BUILD
-#define CONFIG_SYS_INIT_SP_ADDR		0x210000
+#define CONFIG_SYS_INIT_SP_ADDR		0x218000
 #else
 #define CONFIG_SYS_INIT_SP_ADDR \
-	(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
+	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 #endif
 
 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
@@ -38,21 +38,10 @@
 /* NAND flash */
 #undef CONFIG_CMD_NAND
 
-/* USB device */
-#define CONFIG_USB_ETHER
-#define CONFIG_USB_ETH_RNDIS
-#define CONFIG_USBNET_MANUFACTURER      "Atmel SAMA5D2 XPlained"
-
 /* I2C */
 #define AT24MAC_ADDR		0x5c
 #define AT24MAC_REG		0x9a
 
-/* Ethernet Hardware */
-#define CONFIG_MACB
-#define CONFIG_RMII
-#define CONFIG_NET_RETRY_COUNT		20
-#define CONFIG_MACB_SEARCH_PHY
-
 /* LCD */
 
 #ifdef CONFIG_LCD
@@ -84,7 +73,7 @@
 /* SPL */
 #define CONFIG_SPL_FRAMEWORK
 #define CONFIG_SPL_TEXT_BASE		0x200000
-#define CONFIG_SPL_MAX_SIZE		0x10000
+#define CONFIG_SPL_MAX_SIZE		0x18000
 #define CONFIG_SPL_BSS_START_ADDR	0x20000000
 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
 #define CONFIG_SYS_SPL_MALLOC_START	0x20080000
@@ -100,7 +89,7 @@
 
 #elif CONFIG_SYS_USE_SERIALFLASH
 #define CONFIG_SPL_SPI_LOAD
-#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8000
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x10000
 
 #endif
 
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index 4e7cc935bd..1f7e32c31f 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -56,6 +56,7 @@ enum uclass_id {
 	UCLASS_PCH,		/* x86 platform controller hub */
 	UCLASS_PCI,		/* PCI bus */
 	UCLASS_PCI_GENERIC,	/* Generic PCI bus device */
+	UCLASS_PHY,		/* Physical Layer (PHY) device */
 	UCLASS_PINCONFIG,	/* Pin configuration node device */
 	UCLASS_PINCTRL,		/* Pinctrl (pin muxing/configuration) device */
 	UCLASS_PMIC,		/* PMIC I/O device */
diff --git a/include/generic-phy.h b/include/generic-phy.h
new file mode 100644
index 0000000000..d8cf0c9f6a
--- /dev/null
+++ b/include/generic-phy.h
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ * Written by Jean-Jacques Hiblot  <jjhiblot@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __GENERIC_PHY_H
+#define __GENERIC_PHY_H
+
+
+/**
+ * struct phy - A handle to (allowing control of) a single phy port.
+ *
+ * Clients provide storage for phy handles. The content of the structure is
+ * managed solely by the PHY API and PHY drivers. A phy struct is
+ * initialized by "get"ing the phy struct. The phy struct is passed to all
+ * other phy APIs to identify which PHY port to operate upon.
+ *
+ * @dev: The device which implements the PHY port.
+ * @id: The PHY ID within the provider.
+ *
+ */
+struct phy {
+	struct udevice *dev;
+	unsigned long id;
+};
+
+/*
+ * struct udevice_ops - set of function pointers for phy operations
+ * @init: operation to be performed for initializing phy (optional)
+ * @exit: operation to be performed while exiting (optional)
+ * @reset: reset the phy (optional).
+ * @power_on: powering on the phy (optional)
+ * @power_off: powering off the phy (optional)
+ */
+struct phy_ops {
+	/**
+	 * of_xlate - Translate a client's device-tree (OF) phy specifier.
+	 *
+	 * The PHY core calls this function as the first step in implementing
+	 * a client's generic_phy_get_by_*() call.
+	 *
+	 * If this function pointer is set to NULL, the PHY core will use a
+	 * default implementation, which assumes #phy-cells = <0> or
+	 * #phy-cells = <1>, and in the later case that the DT cell
+	 * contains a simple integer PHY port ID.
+	 *
+	 * @phy:	The phy struct to hold the translation result.
+	 * @args:	The phy specifier values from device tree.
+	 * @return 0 if OK, or a negative error code.
+	 */
+	int	(*of_xlate)(struct phy *phy,
+			struct fdtdec_phandle_args *args);
+
+	/**
+	 * init - initialize the hardware.
+	 *
+	 * Hardware intialization should not be done in during probe() but
+	 * should be implemented in this init() function. It could be starting
+	 * PLL, taking a controller out of reset, routing, etc. This function
+	 * is typically called only once per PHY port.
+	 * If power_on() is not implemented, it must power up the phy.
+	 *
+	 * @phy:	the PHY port to initialize
+	 * @return 0 if OK, or a negative error code.
+	 */
+	int	(*init)(struct phy *phy);
+
+	/**
+	* exit - de-initialize the PHY device
+	*
+	* Hardware de-intialization should be done here. Every step done in
+	* init() should be undone here.
+	* This could be used to suspend the phy to reduce power consumption or
+	* to put the phy in a known condition before booting the OS (though it
+	* is NOT called automatically before booting the OS)
+	* If power_off() is not implemented, it must power down the phy.
+	*
+	* @phy:	PHY port to be de-initialized
+	* @return 0 if OK, or a negative error code
+	*/
+	int	(*exit)(struct phy *phy);
+
+	/**
+	* reset - resets a PHY device without shutting down
+	*
+	* @phy:	PHY port to be reset
+	*
+	* During runtime, the PHY may need to be reset in order to
+	* re-establish connection etc without being shut down or exit.
+	*
+	* @return 0 if OK, or a negative error code
+	*/
+	int	(*reset)(struct phy *phy);
+
+	/**
+	* power_on - power on a PHY device
+	*
+	* @phy:	PHY port to be powered on
+	*
+	* During runtime, the PHY may need to be powered on or off several
+	* times. This function is used to power on the PHY. It relies on the
+	* setup done in init(). If init() is not implemented, it must take care
+	* of setting up the context (PLLs, ...)
+	*
+	* @return 0 if OK, or a negative error code
+	*/
+	int	(*power_on)(struct phy *phy);
+
+	/**
+	* power_off - power off a PHY device
+	*
+	* @phy:	PHY port to be powered off
+	*
+	* During runtime, the PHY may need to be powered on or off several
+	* times. This function is used to power off the PHY. Except if
+	* init()/deinit() are not implemented, it must not de-initialize
+	* everything.
+	*
+	* @return 0 if OK, or a negative error code
+	*/
+	int	(*power_off)(struct phy *phy);
+};
+
+
+/**
+ * generic_phy_init() - initialize the PHY port
+ *
+ * @phy:	the PHY port to initialize
+ * @return 0 if OK, or a negative error code
+ */
+int generic_phy_init(struct phy *phy);
+
+/**
+ * generic_phy_init() - de-initialize the PHY device
+ *
+ * @phy:	PHY port to be de-initialized
+ * @return 0 if OK, or a negative error code
+ */
+int generic_phy_exit(struct phy *phy);
+
+/**
+ * generic_phy_reset() - resets a PHY device without shutting down
+ *
+ * @phy:	PHY port to be reset
+ *@return 0 if OK, or a negative error code
+ */
+int generic_phy_reset(struct phy *phy);
+
+/**
+ * generic_phy_power_on() - power on a PHY device
+ *
+ * @phy:	PHY port to be powered on
+ * @return 0 if OK, or a negative error code
+ */
+int generic_phy_power_on(struct phy *phy);
+
+/**
+ * generic_phy_power_off() - power off a PHY device
+ *
+ * @phy:	PHY port to be powered off
+ * @return 0 if OK, or a negative error code
+ */
+int generic_phy_power_off(struct phy *phy);
+
+
+/**
+ * generic_phy_get_by_index() - Get a PHY device by integer index.
+ *
+ * @user:	the client device
+ * @index:	The index in the list of available PHYs
+ * @phy:	A pointer to the PHY port
+ *
+ * This looks up a PHY device for a client device based on its position in the
+ * list of the possible PHYs.
+ *
+ * example:
+ * usb1: usb_otg_ss@xxx {
+ *       compatible = "xxx";
+ *       reg = <xxx>;
+ *   .
+ *   .
+ *   phys = <&usb2_phy>, <&usb3_phy>;
+ *   .
+ *   .
+ * };
+ * the USB2 phy can be accessed by passing index '0' and the USB3 phy can
+ * be accessed by passing index '1'
+ *
+ * @return 0 if OK, or a negative error code
+ */
+int generic_phy_get_by_index(struct udevice *user, int index,
+			     struct phy *phy);
+
+/**
+ * generic_phy_get_by_name() - Get a PHY device by its name.
+ *
+ * @user:	the client device
+ * @phy_name:	The name of the PHY in the list of possible PHYs
+ * @phy:	A pointer to the PHY port
+ *
+ * This looks up a PHY device for a client device in the
+ * list of the possible PHYs based on its name.
+ *
+ * example:
+ * usb1: usb_otg_ss@xxx {
+ *       compatible = "xxx";
+ *       reg = <xxx>;
+ *   .
+ *   .
+ *   phys = <&usb2_phy>, <&usb3_phy>;
+ *   phy-names = "usb2phy", "usb3phy";
+ *   .
+ *   .
+ * };
+ * the USB3 phy can be accessed using "usb3phy", and USB2 by using "usb2phy"
+ *
+ * @return 0 if OK, or a negative error code
+ */
+int generic_phy_get_by_name(struct udevice *user, const char *phy_name,
+			    struct phy *phy);
+
+#endif /*__GENERIC_PHY_H */