forked from mirrors/linux
		
	ARM: OMAP2+: Remove legacy usb-host.c platform init code
This is no longer needed when booted with device tree. Signed-off-by: Tony Lindgren <tony@atomide.com>
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					 2 changed files with 0 additions and 497 deletions
				
			
		|  | @ -246,7 +246,6 @@ obj-y					+= usb-musb.o | ||||||
| obj-y					+= omap_phy_internal.o | obj-y					+= omap_phy_internal.o | ||||||
| 
 | 
 | ||||||
| obj-$(CONFIG_MACH_OMAP2_TUSB6010)	+= usb-tusb6010.o | obj-$(CONFIG_MACH_OMAP2_TUSB6010)	+= usb-tusb6010.o | ||||||
| obj-y					+= usb-host.o |  | ||||||
| 
 | 
 | ||||||
| onenand-$(CONFIG_MTD_ONENAND_OMAP2)	:= gpmc-onenand.o | onenand-$(CONFIG_MTD_ONENAND_OMAP2)	:= gpmc-onenand.o | ||||||
| obj-y					+= $(onenand-m) $(onenand-y) | obj-y					+= $(onenand-m) $(onenand-y) | ||||||
|  |  | ||||||
|  | @ -1,496 +0,0 @@ | ||||||
| /*
 |  | ||||||
|  * usb-host.c - OMAP USB Host |  | ||||||
|  * |  | ||||||
|  * This file will contain the board specific details for the |  | ||||||
|  * Synopsys EHCI/OHCI host controller on OMAP3430 and onwards |  | ||||||
|  * |  | ||||||
|  * Copyright (C) 2007-2011 Texas Instruments |  | ||||||
|  * Author: Vikram Pandita <vikram.pandita@ti.com> |  | ||||||
|  * Author: Keshava Munegowda <keshava_mgowda@ti.com> |  | ||||||
|  * |  | ||||||
|  * Generalization by: |  | ||||||
|  * Felipe Balbi <balbi@ti.com> |  | ||||||
|  * |  | ||||||
|  * 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. |  | ||||||
|  */ |  | ||||||
| 
 |  | ||||||
| #include <linux/types.h> |  | ||||||
| #include <linux/errno.h> |  | ||||||
| #include <linux/delay.h> |  | ||||||
| #include <linux/platform_device.h> |  | ||||||
| #include <linux/slab.h> |  | ||||||
| #include <linux/dma-mapping.h> |  | ||||||
| #include <linux/regulator/machine.h> |  | ||||||
| #include <linux/regulator/fixed.h> |  | ||||||
| #include <linux/string.h> |  | ||||||
| #include <linux/io.h> |  | ||||||
| #include <linux/gpio.h> |  | ||||||
| #include <linux/usb/phy.h> |  | ||||||
| #include <linux/usb/usb_phy_generic.h> |  | ||||||
| 
 |  | ||||||
| #include "soc.h" |  | ||||||
| #include "omap_device.h" |  | ||||||
| #include "mux.h" |  | ||||||
| #include "usb.h" |  | ||||||
| 
 |  | ||||||
| #ifdef CONFIG_MFD_OMAP_USB_HOST |  | ||||||
| 
 |  | ||||||
| #define OMAP_USBHS_DEVICE	"usbhs_omap" |  | ||||||
| #define OMAP_USBTLL_DEVICE	"usbhs_tll" |  | ||||||
| #define	USBHS_UHH_HWMODNAME	"usb_host_hs" |  | ||||||
| #define USBHS_TLL_HWMODNAME	"usb_tll_hs" |  | ||||||
| 
 |  | ||||||
| /* MUX settings for EHCI pins */ |  | ||||||
| /*
 |  | ||||||
|  * setup_ehci_io_mux - initialize IO pad mux for USBHOST |  | ||||||
|  */ |  | ||||||
| static void __init setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) |  | ||||||
| { |  | ||||||
| 	switch (port_mode[0]) { |  | ||||||
| 	case OMAP_EHCI_PORT_MODE_PHY: |  | ||||||
| 		omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT); |  | ||||||
| 		omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT); |  | ||||||
| 		omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_EHCI_PORT_MODE_TLL: |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_stp", |  | ||||||
| 			OMAP_PIN_INPUT_PULLUP); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_clk", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_dir", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_nxt", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data0", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data1", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data2", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data3", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data4", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data5", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data6", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb1_tll_data7", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_USBHS_PORT_MODE_UNUSED: |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	default: |  | ||||||
| 		break; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	switch (port_mode[1]) { |  | ||||||
| 	case OMAP_EHCI_PORT_MODE_PHY: |  | ||||||
| 		omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT); |  | ||||||
| 		omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT); |  | ||||||
| 		omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data0", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data1", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data2", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data3", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data4", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data5", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data6", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_data7", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_EHCI_PORT_MODE_TLL: |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_stp", |  | ||||||
| 			OMAP_PIN_INPUT_PULLUP); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_clk", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_dir", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_nxt", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data0", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data1", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data2", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data3", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data4", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data5", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data6", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb2_tll_data7", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_USBHS_PORT_MODE_UNUSED: |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	default: |  | ||||||
| 		break; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	switch (port_mode[2]) { |  | ||||||
| 	case OMAP_EHCI_PORT_MODE_PHY: |  | ||||||
| 		printk(KERN_WARNING "Port3 can't be used in PHY mode\n"); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_EHCI_PORT_MODE_TLL: |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_stp", |  | ||||||
| 			OMAP_PIN_INPUT_PULLUP); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_clk", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_dir", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_nxt", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data0", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data1", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data2", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data3", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data4", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data5", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data6", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("hsusb3_tll_data7", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_USBHS_PORT_MODE_UNUSED: |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	default: |  | ||||||
| 		break; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	return; |  | ||||||
| } |  | ||||||
| 
 |  | ||||||
| static void __init setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) |  | ||||||
| { |  | ||||||
| 	switch (port_mode[0]) { |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm1_rxdp", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("mm1_rxdm", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm1_rxrcv", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: |  | ||||||
| 		omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm1_txse0", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("mm1_txdat", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_USBHS_PORT_MODE_UNUSED: |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	default: |  | ||||||
| 		break; |  | ||||||
| 	} |  | ||||||
| 	switch (port_mode[1]) { |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm2_rxdp", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("mm2_rxdm", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm2_rxrcv", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: |  | ||||||
| 		omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm2_txse0", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("mm2_txdat", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_USBHS_PORT_MODE_UNUSED: |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	default: |  | ||||||
| 		break; |  | ||||||
| 	} |  | ||||||
| 	switch (port_mode[2]) { |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm3_rxdp", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("mm3_rxdm", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm3_rxrcv", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: |  | ||||||
| 		omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT); |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: |  | ||||||
| 	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: |  | ||||||
| 		omap_mux_init_signal("mm3_txse0", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		omap_mux_init_signal("mm3_txdat", |  | ||||||
| 			OMAP_PIN_INPUT_PULLDOWN); |  | ||||||
| 		break; |  | ||||||
| 	case OMAP_USBHS_PORT_MODE_UNUSED: |  | ||||||
| 		/* FALLTHROUGH */ |  | ||||||
| 	default: |  | ||||||
| 		break; |  | ||||||
| 	} |  | ||||||
| } |  | ||||||
| 
 |  | ||||||
| void __init usbhs_init(struct usbhs_omap_platform_data *pdata) |  | ||||||
| { |  | ||||||
| 	struct omap_hwmod	*uhh_hwm, *tll_hwm; |  | ||||||
| 	struct platform_device	*pdev; |  | ||||||
| 	int			bus_id = -1; |  | ||||||
| 
 |  | ||||||
| 	if (cpu_is_omap34xx()) { |  | ||||||
| 		setup_ehci_io_mux(pdata->port_mode); |  | ||||||
| 		setup_ohci_io_mux(pdata->port_mode); |  | ||||||
| 
 |  | ||||||
| 		if (omap_rev() <= OMAP3430_REV_ES2_1) |  | ||||||
| 			pdata->single_ulpi_bypass = true; |  | ||||||
| 
 |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	uhh_hwm = omap_hwmod_lookup(USBHS_UHH_HWMODNAME); |  | ||||||
| 	if (!uhh_hwm) { |  | ||||||
| 		pr_err("Could not look up %s\n", USBHS_UHH_HWMODNAME); |  | ||||||
| 		return; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	tll_hwm = omap_hwmod_lookup(USBHS_TLL_HWMODNAME); |  | ||||||
| 	if (!tll_hwm) { |  | ||||||
| 		pr_err("Could not look up %s\n", USBHS_TLL_HWMODNAME); |  | ||||||
| 		return; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	pdev = omap_device_build(OMAP_USBTLL_DEVICE, bus_id, tll_hwm, |  | ||||||
| 				pdata, sizeof(*pdata)); |  | ||||||
| 	if (IS_ERR(pdev)) { |  | ||||||
| 		pr_err("Could not build hwmod device %s\n", |  | ||||||
| 		       USBHS_TLL_HWMODNAME); |  | ||||||
| 		return; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	pdev = omap_device_build(OMAP_USBHS_DEVICE, bus_id, uhh_hwm, |  | ||||||
| 				pdata, sizeof(*pdata)); |  | ||||||
| 	if (IS_ERR(pdev)) { |  | ||||||
| 		pr_err("Could not build hwmod devices %s\n", |  | ||||||
| 		       USBHS_UHH_HWMODNAME); |  | ||||||
| 		return; |  | ||||||
| 	} |  | ||||||
| } |  | ||||||
| 
 |  | ||||||
| #else |  | ||||||
| 
 |  | ||||||
| void __init usbhs_init(struct usbhs_omap_platform_data *pdata) |  | ||||||
| { |  | ||||||
| } |  | ||||||
| 
 |  | ||||||
| #endif |  | ||||||
| 
 |  | ||||||
| /* Template for PHY regulators */ |  | ||||||
| static struct fixed_voltage_config hsusb_reg_config = { |  | ||||||
| 	/* .supply_name filled later */ |  | ||||||
| 	.microvolts = 3300000, |  | ||||||
| 	.gpio = -1,		/* updated later */ |  | ||||||
| 	.startup_delay = 70000, /* 70msec */ |  | ||||||
| 	.enable_high = 1,	/* updated later */ |  | ||||||
| 	.enabled_at_boot = 0,	/* keep in RESET */ |  | ||||||
| 	/* .init_data filled later */ |  | ||||||
| }; |  | ||||||
| 
 |  | ||||||
| static const char *nop_name = "usb_phy_generic"; /* NOP PHY driver */ |  | ||||||
| static const char *reg_name = "reg-fixed-voltage"; /* Regulator driver */ |  | ||||||
| 
 |  | ||||||
| /**
 |  | ||||||
|  * usbhs_add_regulator - Add a gpio based fixed voltage regulator device |  | ||||||
|  * @name: name for the regulator |  | ||||||
|  * @dev_id: device id of the device this regulator supplies power to |  | ||||||
|  * @dev_supply: supply name that the device expects |  | ||||||
|  * @gpio: GPIO number |  | ||||||
|  * @polarity: 1 - Active high, 0 - Active low |  | ||||||
|  */ |  | ||||||
| static int usbhs_add_regulator(char *name, char *dev_id, char *dev_supply, |  | ||||||
| 						int gpio, int polarity) |  | ||||||
| { |  | ||||||
| 	struct regulator_consumer_supply *supplies; |  | ||||||
| 	struct regulator_init_data *reg_data; |  | ||||||
| 	struct fixed_voltage_config *config; |  | ||||||
| 	struct platform_device *pdev; |  | ||||||
| 	struct platform_device_info pdevinfo; |  | ||||||
| 	int ret = -ENOMEM; |  | ||||||
| 
 |  | ||||||
| 	supplies = kzalloc(sizeof(*supplies), GFP_KERNEL); |  | ||||||
| 	if (!supplies) |  | ||||||
| 		return -ENOMEM; |  | ||||||
| 
 |  | ||||||
| 	supplies->supply = dev_supply; |  | ||||||
| 	supplies->dev_name = dev_id; |  | ||||||
| 
 |  | ||||||
| 	reg_data = kzalloc(sizeof(*reg_data), GFP_KERNEL); |  | ||||||
| 	if (!reg_data) |  | ||||||
| 		goto err_data; |  | ||||||
| 
 |  | ||||||
| 	reg_data->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS; |  | ||||||
| 	reg_data->consumer_supplies = supplies; |  | ||||||
| 	reg_data->num_consumer_supplies = 1; |  | ||||||
| 
 |  | ||||||
| 	config = kmemdup(&hsusb_reg_config, sizeof(hsusb_reg_config), |  | ||||||
| 			GFP_KERNEL); |  | ||||||
| 	if (!config) |  | ||||||
| 		goto err_config; |  | ||||||
| 
 |  | ||||||
| 	config->supply_name = kstrdup(name, GFP_KERNEL); |  | ||||||
| 	if (!config->supply_name) |  | ||||||
| 		goto err_supplyname; |  | ||||||
| 
 |  | ||||||
| 	config->gpio = gpio; |  | ||||||
| 	config->enable_high = polarity; |  | ||||||
| 	config->init_data = reg_data; |  | ||||||
| 
 |  | ||||||
| 	/* create a regulator device */ |  | ||||||
| 	memset(&pdevinfo, 0, sizeof(pdevinfo)); |  | ||||||
| 	pdevinfo.name = reg_name; |  | ||||||
| 	pdevinfo.id = PLATFORM_DEVID_AUTO; |  | ||||||
| 	pdevinfo.data = config; |  | ||||||
| 	pdevinfo.size_data = sizeof(*config); |  | ||||||
| 
 |  | ||||||
| 	pdev = platform_device_register_full(&pdevinfo); |  | ||||||
| 	if (IS_ERR(pdev)) { |  | ||||||
| 		ret = PTR_ERR(pdev); |  | ||||||
| 		pr_err("%s: Failed registering regulator %s for %s : %d\n", |  | ||||||
| 				__func__, name, dev_id, ret); |  | ||||||
| 		goto err_register; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	return 0; |  | ||||||
| 
 |  | ||||||
| err_register: |  | ||||||
| 	kfree(config->supply_name); |  | ||||||
| err_supplyname: |  | ||||||
| 	kfree(config); |  | ||||||
| err_config: |  | ||||||
| 	kfree(reg_data); |  | ||||||
| err_data: |  | ||||||
| 	kfree(supplies); |  | ||||||
| 	return ret; |  | ||||||
| } |  | ||||||
| 
 |  | ||||||
| #define MAX_STR 20 |  | ||||||
| 
 |  | ||||||
| int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys) |  | ||||||
| { |  | ||||||
| 	char rail_name[MAX_STR]; |  | ||||||
| 	int i; |  | ||||||
| 	struct platform_device *pdev; |  | ||||||
| 	char *phy_id; |  | ||||||
| 	struct platform_device_info pdevinfo; |  | ||||||
| 	struct usb_phy_generic_platform_data nop_pdata; |  | ||||||
| 
 |  | ||||||
| 	for (i = 0; i < num_phys; i++) { |  | ||||||
| 
 |  | ||||||
| 		if (!phy->port) { |  | ||||||
| 			pr_err("%s: Invalid port 0. Must start from 1\n", |  | ||||||
| 						__func__); |  | ||||||
| 			continue; |  | ||||||
| 		} |  | ||||||
| 
 |  | ||||||
| 		/* do we need a NOP PHY device ? */ |  | ||||||
| 		if (!gpio_is_valid(phy->reset_gpio) && |  | ||||||
| 			!gpio_is_valid(phy->vcc_gpio)) |  | ||||||
| 			continue; |  | ||||||
| 
 |  | ||||||
| 		phy_id = kmalloc(MAX_STR, GFP_KERNEL); |  | ||||||
| 		if (!phy_id) { |  | ||||||
| 			pr_err("%s: kmalloc() failed\n", __func__); |  | ||||||
| 			return -ENOMEM; |  | ||||||
| 		} |  | ||||||
| 
 |  | ||||||
| 		/* set platform data */ |  | ||||||
| 		memset(&nop_pdata, 0, sizeof(nop_pdata)); |  | ||||||
| 		if (gpio_is_valid(phy->vcc_gpio)) |  | ||||||
| 			nop_pdata.needs_vcc = true; |  | ||||||
| 		nop_pdata.gpio_reset = phy->reset_gpio; |  | ||||||
| 		nop_pdata.type = USB_PHY_TYPE_USB2; |  | ||||||
| 
 |  | ||||||
| 		/* create a NOP PHY device */ |  | ||||||
| 		memset(&pdevinfo, 0, sizeof(pdevinfo)); |  | ||||||
| 		pdevinfo.name = nop_name; |  | ||||||
| 		pdevinfo.id = phy->port; |  | ||||||
| 		pdevinfo.data = &nop_pdata; |  | ||||||
| 		pdevinfo.size_data = |  | ||||||
| 			sizeof(struct usb_phy_generic_platform_data); |  | ||||||
| 		scnprintf(phy_id, MAX_STR, "usb_phy_generic.%d", |  | ||||||
| 					phy->port); |  | ||||||
| 		pdev = platform_device_register_full(&pdevinfo); |  | ||||||
| 		if (IS_ERR(pdev)) { |  | ||||||
| 			pr_err("%s: Failed to register device %s : %ld\n", |  | ||||||
| 				__func__,  phy_id, PTR_ERR(pdev)); |  | ||||||
| 			kfree(phy_id); |  | ||||||
| 			continue; |  | ||||||
| 		} |  | ||||||
| 
 |  | ||||||
| 		usb_bind_phy("ehci-omap.0", phy->port - 1, phy_id); |  | ||||||
| 
 |  | ||||||
| 		/* Do we need VCC regulator ? */ |  | ||||||
| 		if (gpio_is_valid(phy->vcc_gpio)) { |  | ||||||
| 			scnprintf(rail_name, MAX_STR, "hsusb%d_vcc", phy->port); |  | ||||||
| 			usbhs_add_regulator(rail_name, phy_id, "vcc", |  | ||||||
| 					phy->vcc_gpio, phy->vcc_polarity); |  | ||||||
| 		} |  | ||||||
| 
 |  | ||||||
| 		phy++; |  | ||||||
| 	} |  | ||||||
| 
 |  | ||||||
| 	return 0; |  | ||||||
| } |  | ||||||
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		Reference in a new issue
	
	 Tony Lindgren
						Tony Lindgren