mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-30 13:38:40 +00:00
92cb33f188
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
304 lines
7.3 KiB
C
304 lines
7.3 KiB
C
/*
|
|
* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
*
|
|
* Author: Fabio Estevam <fabio.estevam@freescale.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* This machine is known as:
|
|
* - i.MX27 3-Stack Development System
|
|
* - i.MX27 Platform Development Kit (i.MX27 PDK)
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/usb/otg.h>
|
|
#include <linux/usb/ulpi.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/mfd/mc13783.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/regulator/machine.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/common.h>
|
|
#include <mach/iomux-mx27.h>
|
|
#include <mach/ulpi.h>
|
|
#include <mach/irqs.h>
|
|
#include <mach/3ds_debugboard.h>
|
|
|
|
#include "devices-imx27.h"
|
|
|
|
#define SD1_EN_GPIO (GPIO_PORTB + 25)
|
|
#define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23)
|
|
#define SPI2_SS0 (GPIO_PORTD + 21)
|
|
#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTC + 28)
|
|
|
|
static const int mx27pdk_pins[] __initconst = {
|
|
/* UART1 */
|
|
PE12_PF_UART1_TXD,
|
|
PE13_PF_UART1_RXD,
|
|
PE14_PF_UART1_CTS,
|
|
PE15_PF_UART1_RTS,
|
|
/* FEC */
|
|
PD0_AIN_FEC_TXD0,
|
|
PD1_AIN_FEC_TXD1,
|
|
PD2_AIN_FEC_TXD2,
|
|
PD3_AIN_FEC_TXD3,
|
|
PD4_AOUT_FEC_RX_ER,
|
|
PD5_AOUT_FEC_RXD1,
|
|
PD6_AOUT_FEC_RXD2,
|
|
PD7_AOUT_FEC_RXD3,
|
|
PD8_AF_FEC_MDIO,
|
|
PD9_AIN_FEC_MDC,
|
|
PD10_AOUT_FEC_CRS,
|
|
PD11_AOUT_FEC_TX_CLK,
|
|
PD12_AOUT_FEC_RXD0,
|
|
PD13_AOUT_FEC_RX_DV,
|
|
PD14_AOUT_FEC_RX_CLK,
|
|
PD15_AOUT_FEC_COL,
|
|
PD16_AIN_FEC_TX_ER,
|
|
PF23_AIN_FEC_TX_EN,
|
|
/* SDHC1 */
|
|
PE18_PF_SD1_D0,
|
|
PE19_PF_SD1_D1,
|
|
PE20_PF_SD1_D2,
|
|
PE21_PF_SD1_D3,
|
|
PE22_PF_SD1_CMD,
|
|
PE23_PF_SD1_CLK,
|
|
SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
|
|
/* OTG */
|
|
OTG_PHY_RESET_GPIO | GPIO_GPIO | GPIO_OUT,
|
|
PC7_PF_USBOTG_DATA5,
|
|
PC8_PF_USBOTG_DATA6,
|
|
PC9_PF_USBOTG_DATA0,
|
|
PC10_PF_USBOTG_DATA2,
|
|
PC11_PF_USBOTG_DATA1,
|
|
PC12_PF_USBOTG_DATA4,
|
|
PC13_PF_USBOTG_DATA3,
|
|
PE0_PF_USBOTG_NXT,
|
|
PE1_PF_USBOTG_STP,
|
|
PE2_PF_USBOTG_DIR,
|
|
PE24_PF_USBOTG_CLK,
|
|
PE25_PF_USBOTG_DATA7,
|
|
/* CSPI2 */
|
|
PD22_PF_CSPI2_SCLK,
|
|
PD23_PF_CSPI2_MISO,
|
|
PD24_PF_CSPI2_MOSI,
|
|
};
|
|
|
|
static const struct imxuart_platform_data uart_pdata __initconst = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
/*
|
|
* Matrix keyboard
|
|
*/
|
|
|
|
static const uint32_t mx27_3ds_keymap[] = {
|
|
KEY(0, 0, KEY_UP),
|
|
KEY(0, 1, KEY_DOWN),
|
|
KEY(1, 0, KEY_RIGHT),
|
|
KEY(1, 1, KEY_LEFT),
|
|
KEY(1, 2, KEY_ENTER),
|
|
KEY(2, 0, KEY_F6),
|
|
KEY(2, 1, KEY_F8),
|
|
KEY(2, 2, KEY_F9),
|
|
KEY(2, 3, KEY_F10),
|
|
};
|
|
|
|
static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
|
|
.keymap = mx27_3ds_keymap,
|
|
.keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
|
|
};
|
|
|
|
static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
|
|
void *data)
|
|
{
|
|
return request_irq(IRQ_GPIOB(26), detect_irq, IRQF_TRIGGER_FALLING |
|
|
IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
|
|
}
|
|
|
|
static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
|
|
{
|
|
free_irq(IRQ_GPIOB(26), data);
|
|
}
|
|
|
|
static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
|
|
.init = mx27_3ds_sdhc1_init,
|
|
.exit = mx27_3ds_sdhc1_exit,
|
|
};
|
|
|
|
static void mx27_3ds_sdhc1_enable_level_translator(void)
|
|
{
|
|
/* Turn on TXB0108 OE pin */
|
|
gpio_request(SD1_EN_GPIO, "sd1_enable");
|
|
gpio_direction_output(SD1_EN_GPIO, 1);
|
|
}
|
|
|
|
|
|
static int otg_phy_init(void)
|
|
{
|
|
gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset");
|
|
gpio_direction_output(OTG_PHY_RESET_GPIO, 0);
|
|
mdelay(1);
|
|
gpio_set_value(OTG_PHY_RESET_GPIO, 1);
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_USB_ULPI)
|
|
|
|
static struct mxc_usbh_platform_data otg_pdata __initdata = {
|
|
.portsc = MXC_EHCI_MODE_ULPI,
|
|
.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
|
|
};
|
|
#endif
|
|
|
|
static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
|
|
.operating_mode = FSL_USB2_DR_DEVICE,
|
|
.phy_mode = FSL_USB2_PHY_ULPI,
|
|
};
|
|
|
|
static int otg_mode_host;
|
|
|
|
static int __init mx27_3ds_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=", mx27_3ds_otg_mode);
|
|
|
|
/* Regulators */
|
|
static struct regulator_consumer_supply vmmc1_consumers[] = {
|
|
REGULATOR_SUPPLY("lcd_2v8", NULL),
|
|
};
|
|
|
|
static struct regulator_init_data vmmc1_init = {
|
|
.constraints = {
|
|
.min_uV = 2800000,
|
|
.max_uV = 2800000,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
|
|
.consumer_supplies = vmmc1_consumers,
|
|
};
|
|
|
|
static struct regulator_consumer_supply vgen_consumers[] = {
|
|
REGULATOR_SUPPLY("vdd_lcdio", NULL),
|
|
};
|
|
|
|
static struct regulator_init_data vgen_init = {
|
|
.constraints = {
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
|
|
.consumer_supplies = vgen_consumers,
|
|
};
|
|
|
|
static struct mc13783_regulator_init_data mx27_3ds_regulators[] = {
|
|
{
|
|
.id = MC13783_REG_VMMC1,
|
|
.init_data = &vmmc1_init,
|
|
}, {
|
|
.id = MC13783_REG_VGEN,
|
|
.init_data = &vgen_init,
|
|
},
|
|
};
|
|
|
|
/* MC13783 */
|
|
static struct mc13783_platform_data mc13783_pdata __initdata = {
|
|
.regulators = mx27_3ds_regulators,
|
|
.num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
|
|
.flags = MC13783_USE_REGULATOR,
|
|
};
|
|
|
|
/* SPI */
|
|
static int spi2_internal_chipselect[] = {SPI2_SS0};
|
|
|
|
static const struct spi_imx_master spi2_pdata __initconst = {
|
|
.chipselect = spi2_internal_chipselect,
|
|
.num_chipselect = ARRAY_SIZE(spi2_internal_chipselect),
|
|
};
|
|
|
|
static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
|
|
{
|
|
.modalias = "mc13783",
|
|
.max_speed_hz = 1000000,
|
|
.bus_num = 1,
|
|
.chip_select = 0, /* SS0 */
|
|
.platform_data = &mc13783_pdata,
|
|
.irq = IRQ_GPIOC(14),
|
|
.mode = SPI_CS_HIGH,
|
|
},
|
|
};
|
|
|
|
|
|
static void __init mx27pdk_init(void)
|
|
{
|
|
mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
|
|
"mx27pdk");
|
|
mx27_3ds_sdhc1_enable_level_translator();
|
|
imx27_add_imx_uart0(&uart_pdata);
|
|
imx27_add_fec(NULL);
|
|
imx27_add_imx_keypad(&mx27_3ds_keymap_data);
|
|
imx27_add_mxc_mmc(0, &sdhc1_pdata);
|
|
imx27_add_imx2_wdt(NULL);
|
|
otg_phy_init();
|
|
#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);
|
|
|
|
imx27_add_mxc_ehci_otg(&otg_pdata);
|
|
}
|
|
#endif
|
|
if (!otg_mode_host)
|
|
imx27_add_fsl_usb2_udc(&otg_device_pdata);
|
|
|
|
imx27_add_spi_imx1(&spi2_pdata);
|
|
spi_register_board_info(mx27_3ds_spi_devs,
|
|
ARRAY_SIZE(mx27_3ds_spi_devs));
|
|
|
|
if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))
|
|
pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
|
|
}
|
|
|
|
static void __init mx27pdk_timer_init(void)
|
|
{
|
|
mx27_clocks_init(26000000);
|
|
}
|
|
|
|
static struct sys_timer mx27pdk_timer = {
|
|
.init = mx27pdk_timer_init,
|
|
};
|
|
|
|
MACHINE_START(MX27_3DS, "Freescale MX27PDK")
|
|
/* maintainer: Freescale Semiconductor, Inc. */
|
|
.boot_params = MX27_PHYS_OFFSET + 0x100,
|
|
.map_io = mx27_map_io,
|
|
.init_irq = mx27_init_irq,
|
|
.init_machine = mx27pdk_init,
|
|
.timer = &mx27pdk_timer,
|
|
MACHINE_END
|