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linux/arch/arm/mach-mx3/mach-pcm043.c
Igor Grinberg 13dd0c9767 USB: otg/ulpi: extend the generic ulpi driver. 
1) Introduce ulpi specific flags for control of the ulpi phy
2) Extend the generic ulpi driver with support for Function and
Interface control of upli phy
3) Update the platforms using the generic ulpi driver with new ulpi
flags
4) Remove the otg control flags not in use

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10 14:35:40 -07:00

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/*
* Copyright (C) 2009 Sascha Hauer, Pengutronix
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/plat-ram.h>
#include <linux/memory.h>
#include <linux/gpio.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/fsl_devices.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx35.h>
#include <mach/ipu.h>
#include <mach/mx3fb.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
#include <mach/audmux.h>
#include <mach/ssi.h>
#include "devices-imx35.h"
#include "devices.h"
static const struct fb_videomode fb_modedb[] = {
{
/* 240x320 @ 60 Hz */
.name = "Sharp-LQ035Q7",
.refresh = 60,
.xres = 240,
.yres = 320,
.pixclock = 185925,
.left_margin = 9,
.right_margin = 16,
.upper_margin = 7,
.lower_margin = 9,
.hsync_len = 1,
.vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
.vmode = FB_VMODE_NONINTERLACED,
.flag = 0,
}, {
/* 240x320 @ 60 Hz */
.name = "TX090",
.refresh = 60,
.xres = 240,
.yres = 320,
.pixclock = 38255,
.left_margin = 144,
.right_margin = 0,
.upper_margin = 7,
.lower_margin = 40,
.hsync_len = 96,
.vsync_len = 1,
.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
.vmode = FB_VMODE_NONINTERLACED,
.flag = 0,
},
};
static struct ipu_platform_data mx3_ipu_data = {
.irq_base = MXC_IPU_IRQ_START,
};
static struct mx3fb_platform_data mx3fb_pdata = {
.dma_dev = &mx3_ipu.dev,
.name = "Sharp-LQ035Q7",
.mode = fb_modedb,
.num_modes = ARRAY_SIZE(fb_modedb),
};
static struct physmap_flash_data pcm043_flash_data = {
.width = 2,
};
static struct resource pcm043_flash_resource = {
.start = 0xa0000000,
.end = 0xa1ffffff,
.flags = IORESOURCE_MEM,
};
static struct platform_device pcm043_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &pcm043_flash_data,
},
.resource = &pcm043_flash_resource,
.num_resources = 1,
};
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
#if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
static const struct imxi2c_platform_data pcm043_i2c0_data __initconst = {
.bitrate = 50000,
};
static struct at24_platform_data board_eeprom = {
.byte_len = 4096,
.page_size = 32,
.flags = AT24_FLAG_ADDR16,
};
static struct i2c_board_info pcm043_i2c_devices[] = {
{
I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
.platform_data = &board_eeprom,
}, {
I2C_BOARD_INFO("pcf8563", 0x51),
}
};
#endif
static struct platform_device *devices[] __initdata = {
&pcm043_flash,
&mxc_fec_device,
&imx_wdt_device0,
};
static struct pad_desc pcm043_pads[] = {
/* UART1 */
MX35_PAD_CTS1__UART1_CTS,
MX35_PAD_RTS1__UART1_RTS,
MX35_PAD_TXD1__UART1_TXD_MUX,
MX35_PAD_RXD1__UART1_RXD_MUX,
/* UART2 */
MX35_PAD_CTS2__UART2_CTS,
MX35_PAD_RTS2__UART2_RTS,
MX35_PAD_TXD2__UART2_TXD_MUX,
MX35_PAD_RXD2__UART2_RXD_MUX,
/* FEC */
MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
MX35_PAD_FEC_RX_DV__FEC_RX_DV,
MX35_PAD_FEC_COL__FEC_COL,
MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
MX35_PAD_FEC_TX_EN__FEC_TX_EN,
MX35_PAD_FEC_MDC__FEC_MDC,
MX35_PAD_FEC_MDIO__FEC_MDIO,
MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
MX35_PAD_FEC_CRS__FEC_CRS,
MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
/* I2C1 */
MX35_PAD_I2C1_CLK__I2C1_SCL,
MX35_PAD_I2C1_DAT__I2C1_SDA,
/* Display */
MX35_PAD_LD0__IPU_DISPB_DAT_0,
MX35_PAD_LD1__IPU_DISPB_DAT_1,
MX35_PAD_LD2__IPU_DISPB_DAT_2,
MX35_PAD_LD3__IPU_DISPB_DAT_3,
MX35_PAD_LD4__IPU_DISPB_DAT_4,
MX35_PAD_LD5__IPU_DISPB_DAT_5,
MX35_PAD_LD6__IPU_DISPB_DAT_6,
MX35_PAD_LD7__IPU_DISPB_DAT_7,
MX35_PAD_LD8__IPU_DISPB_DAT_8,
MX35_PAD_LD9__IPU_DISPB_DAT_9,
MX35_PAD_LD10__IPU_DISPB_DAT_10,
MX35_PAD_LD11__IPU_DISPB_DAT_11,
MX35_PAD_LD12__IPU_DISPB_DAT_12,
MX35_PAD_LD13__IPU_DISPB_DAT_13,
MX35_PAD_LD14__IPU_DISPB_DAT_14,
MX35_PAD_LD15__IPU_DISPB_DAT_15,
MX35_PAD_LD16__IPU_DISPB_DAT_16,
MX35_PAD_LD17__IPU_DISPB_DAT_17,
MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
/* gpio */
MX35_PAD_ATA_CS0__GPIO2_6,
/* USB host */
MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
/* SSI */
MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
/* CAN2 */
MX35_PAD_TX5_RX0__CAN2_TXCAN,
MX35_PAD_TX4_RX1__CAN2_RXCAN,
};
#define AC97_GPIO_TXFS (1 * 32 + 31)
#define AC97_GPIO_TXD (1 * 32 + 28)
#define AC97_GPIO_RESET (1 * 32 + 0)
static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
{
struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
int ret;
ret = gpio_request(AC97_GPIO_TXFS, "SSI");
if (ret) {
printk("failed to get GPIO_TXFS: %d\n", ret);
return;
}
mxc_iomux_v3_setup_pad(&txfs_gpio);
/* warm reset */
gpio_direction_output(AC97_GPIO_TXFS, 1);
udelay(2);
gpio_set_value(AC97_GPIO_TXFS, 0);
gpio_free(AC97_GPIO_TXFS);
mxc_iomux_v3_setup_pad(&txfs);
}
static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
{
struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
struct pad_desc txd_gpio = MX35_PAD_STXD4__GPIO2_28;
struct pad_desc txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
struct pad_desc reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
int ret;
ret = gpio_request(AC97_GPIO_TXFS, "SSI");
if (ret)
goto err1;
ret = gpio_request(AC97_GPIO_TXD, "SSI");
if (ret)
goto err2;
ret = gpio_request(AC97_GPIO_RESET, "SSI");
if (ret)
goto err3;
mxc_iomux_v3_setup_pad(&txfs_gpio);
mxc_iomux_v3_setup_pad(&txd_gpio);
mxc_iomux_v3_setup_pad(&reset_gpio);
gpio_direction_output(AC97_GPIO_TXFS, 0);
gpio_direction_output(AC97_GPIO_TXD, 0);
/* cold reset */
gpio_direction_output(AC97_GPIO_RESET, 0);
udelay(10);
gpio_direction_output(AC97_GPIO_RESET, 1);
mxc_iomux_v3_setup_pad(&txd);
mxc_iomux_v3_setup_pad(&txfs);
gpio_free(AC97_GPIO_RESET);
err3:
gpio_free(AC97_GPIO_TXD);
err2:
gpio_free(AC97_GPIO_TXFS);
err1:
if (ret)
printk("%s failed with %d\n", __func__, ret);
mdelay(1);
}
static struct imx_ssi_platform_data pcm043_ssi_pdata = {
.ac97_reset = pcm043_ac97_cold_reset,
.ac97_warm_reset = pcm043_ac97_warm_reset,
.flags = IMX_SSI_USE_AC97,
};
static const struct mxc_nand_platform_data
pcm037_nand_board_info __initconst = {
.width = 1,
.hw_ecc = 1,
};
#if defined(CONFIG_USB_ULPI)
static struct mxc_usbh_platform_data otg_pdata = {
.portsc = MXC_EHCI_MODE_UTMI,
.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
};
static struct mxc_usbh_platform_data usbh1_pdata = {
.portsc = MXC_EHCI_MODE_SERIAL,
.flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
MXC_EHCI_IPPUE_DOWN,
};
#endif
static struct fsl_usb2_platform_data otg_device_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI,
};
static int otg_mode_host;
static int __init pcm043_otg_mode(char *options)
{
if (!strcmp(options, "host"))
otg_mode_host = 1;
else if (!strcmp(options, "device"))
otg_mode_host = 0;
else
pr_info("otg_mode neither \"host\" nor \"device\". "
"Defaulting to device\n");
return 0;
}
__setup("otg_mode=", pcm043_otg_mode);
/*
* Board specific initialization.
*/
static void __init mxc_board_init(void)
{
mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
mxc_audmux_v2_configure_port(3,
MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
MXC_AUDMUX_V2_PTCR_TFSEL(0) |
MXC_AUDMUX_V2_PTCR_TFSDIR,
MXC_AUDMUX_V2_PDCR_RXDSEL(0));
mxc_audmux_v2_configure_port(0,
MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
MXC_AUDMUX_V2_PTCR_TCSEL(3) |
MXC_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
MXC_AUDMUX_V2_PDCR_RXDSEL(3));
platform_add_devices(devices, ARRAY_SIZE(devices));
imx35_add_imx_uart0(&uart_pdata);
imx35_add_mxc_nand(&pcm037_nand_board_info);
mxc_register_device(&imx_ssi_device0, &pcm043_ssi_pdata);
imx35_add_imx_uart1(&uart_pdata);
#if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
i2c_register_board_info(0, pcm043_i2c_devices,
ARRAY_SIZE(pcm043_i2c_devices));
imx35_add_imx_i2c0(&pcm043_i2c0_data);
#endif
mxc_register_device(&mx3_ipu, &mx3_ipu_data);
mxc_register_device(&mx3_fb, &mx3fb_pdata);
#if defined(CONFIG_USB_ULPI)
if (otg_mode_host) {
otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
mxc_register_device(&mxc_otg_host, &otg_pdata);
}
mxc_register_device(&mxc_usbh1, &usbh1_pdata);
#endif
if (!otg_mode_host)
mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
imx35_add_flexcan1(NULL);
}
static void __init pcm043_timer_init(void)
{
mx35_clocks_init();
}
struct sys_timer pcm043_timer = {
.init = pcm043_timer_init,
};
MACHINE_START(PCM043, "Phytec Phycore pcm043")
/* Maintainer: Pengutronix */
.phys_io = MX35_AIPS1_BASE_ADDR,
.io_pg_offst = ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = MX3x_PHYS_OFFSET + 0x100,
.map_io = mx35_map_io,
.init_irq = mx35_init_irq,
.init_machine = mxc_board_init,
.timer = &pcm043_timer,
MACHINE_END
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