ARM: OMAP2+: Remove legacy usb-host.c platform init code

This is no longer needed when booted with device tree.
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/Makefile

@@ -246,7 +246,6 @@ obj-y					+= usb-musb.o
 obj-y					+= omap_phy_internal.o
 
 obj-$(CONFIG_MACH_OMAP2_TUSB6010)	+= usb-tusb6010.o
-obj-y					+= usb-host.o
 
 onenand-$(CONFIG_MTD_ONENAND_OMAP2)	:= gpmc-onenand.o
 obj-y					+= $(onenand-m) $(onenand-y)

arch/arm/mach-omap2/usb-host.c

-/*
- * 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;
-}