7f5f23da82
Add platform data for the twl4030_codec MFD on IGEP v2 Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
270 lines
6.7 KiB
C
270 lines
6.7 KiB
C
/*
|
|
* Copyright (C) 2009 Integration Software and Electronic Engineering.
|
|
*
|
|
* Modified from mach-omap2/board-generic.c
|
|
*
|
|
* 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/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/io.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <linux/regulator/machine.h>
|
|
#include <linux/i2c/twl.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
|
|
#include <plat/board.h>
|
|
#include <plat/common.h>
|
|
#include <plat/gpmc.h>
|
|
#include <plat/usb.h>
|
|
|
|
#include "mux.h"
|
|
#include "hsmmc.h"
|
|
|
|
#define IGEP2_SMSC911X_CS 5
|
|
#define IGEP2_SMSC911X_GPIO 176
|
|
#define IGEP2_GPIO_USBH_NRESET 24
|
|
#define IGEP2_GPIO_LED0_RED 26
|
|
#define IGEP2_GPIO_LED0_GREEN 27
|
|
#define IGEP2_GPIO_LED1_RED 28
|
|
|
|
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
|
|
|
|
#include <linux/smsc911x.h>
|
|
|
|
static struct smsc911x_platform_config igep2_smsc911x_config = {
|
|
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
|
|
.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
|
|
.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
|
|
.phy_interface = PHY_INTERFACE_MODE_MII,
|
|
};
|
|
|
|
static struct resource igep2_smsc911x_resources[] = {
|
|
{
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
|
|
.end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
|
|
},
|
|
};
|
|
|
|
static struct platform_device igep2_smsc911x_device = {
|
|
.name = "smsc911x",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
|
|
.resource = igep2_smsc911x_resources,
|
|
.dev = {
|
|
.platform_data = &igep2_smsc911x_config,
|
|
},
|
|
};
|
|
|
|
static inline void __init igep2_init_smsc911x(void)
|
|
{
|
|
unsigned long cs_mem_base;
|
|
|
|
if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
|
|
pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
|
|
gpmc_cs_free(IGEP2_SMSC911X_CS);
|
|
return;
|
|
}
|
|
|
|
igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
|
|
igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
|
|
|
|
if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
|
|
(gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
|
|
gpio_export(IGEP2_SMSC911X_GPIO, 0);
|
|
} else {
|
|
pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
|
|
return;
|
|
}
|
|
|
|
platform_device_register(&igep2_smsc911x_device);
|
|
}
|
|
|
|
#else
|
|
static inline void __init igep2_init_smsc911x(void) { }
|
|
#endif
|
|
|
|
static struct omap_board_config_kernel igep2_config[] __initdata = {
|
|
};
|
|
|
|
static struct regulator_consumer_supply igep2_vmmc1_supply = {
|
|
.supply = "vmmc",
|
|
};
|
|
|
|
/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
|
|
static struct regulator_init_data igep2_vmmc1 = {
|
|
.constraints = {
|
|
.min_uV = 1850000,
|
|
.max_uV = 3150000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
.num_consumer_supplies = 1,
|
|
.consumer_supplies = &igep2_vmmc1_supply,
|
|
};
|
|
|
|
static struct omap2_hsmmc_info mmc[] = {
|
|
{
|
|
.mmc = 1,
|
|
.wires = 4,
|
|
.gpio_cd = -EINVAL,
|
|
.gpio_wp = -EINVAL,
|
|
},
|
|
{
|
|
.mmc = 2,
|
|
.wires = 4,
|
|
.gpio_cd = -EINVAL,
|
|
.gpio_wp = -EINVAL,
|
|
},
|
|
{} /* Terminator */
|
|
};
|
|
|
|
static int igep2_twl_gpio_setup(struct device *dev,
|
|
unsigned gpio, unsigned ngpio)
|
|
{
|
|
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
|
|
mmc[0].gpio_cd = gpio + 0;
|
|
omap2_hsmmc_init(mmc);
|
|
|
|
/* link regulators to MMC adapters ... we "know" the
|
|
* regulators will be set up only *after* we return.
|
|
*/
|
|
igep2_vmmc1_supply.dev = mmc[0].dev;
|
|
|
|
return 0;
|
|
};
|
|
|
|
static struct twl4030_gpio_platform_data igep2_gpio_data = {
|
|
.gpio_base = OMAP_MAX_GPIO_LINES,
|
|
.irq_base = TWL4030_GPIO_IRQ_BASE,
|
|
.irq_end = TWL4030_GPIO_IRQ_END,
|
|
.use_leds = false,
|
|
.setup = igep2_twl_gpio_setup,
|
|
};
|
|
|
|
static struct twl4030_usb_data igep2_usb_data = {
|
|
.usb_mode = T2_USB_MODE_ULPI,
|
|
};
|
|
|
|
static void __init igep2_init_irq(void)
|
|
{
|
|
omap_board_config = igep2_config;
|
|
omap_board_config_size = ARRAY_SIZE(igep2_config);
|
|
omap2_init_common_hw(NULL, NULL);
|
|
omap_init_irq();
|
|
omap_gpio_init();
|
|
}
|
|
|
|
static struct twl4030_codec_audio_data igep2_audio_data = {
|
|
.audio_mclk = 26000000,
|
|
};
|
|
|
|
static struct twl4030_codec_data igep2_codec_data = {
|
|
.audio_mclk = 26000000,
|
|
.audio = &igep2_audio_data,
|
|
};
|
|
|
|
static struct twl4030_platform_data igep2_twldata = {
|
|
.irq_base = TWL4030_IRQ_BASE,
|
|
.irq_end = TWL4030_IRQ_END,
|
|
|
|
/* platform_data for children goes here */
|
|
.usb = &igep2_usb_data,
|
|
.codec = &igep2_codec_data,
|
|
.gpio = &igep2_gpio_data,
|
|
.vmmc1 = &igep2_vmmc1,
|
|
|
|
};
|
|
|
|
static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = {
|
|
{
|
|
I2C_BOARD_INFO("twl4030", 0x48),
|
|
.flags = I2C_CLIENT_WAKE,
|
|
.irq = INT_34XX_SYS_NIRQ,
|
|
.platform_data = &igep2_twldata,
|
|
},
|
|
};
|
|
|
|
static int __init igep2_i2c_init(void)
|
|
{
|
|
omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo,
|
|
ARRAY_SIZE(igep2_i2c_boardinfo));
|
|
/* Bus 3 is attached to the DVI port where devices like the pico DLP
|
|
* projector don't work reliably with 400kHz */
|
|
omap_register_i2c_bus(3, 100, NULL, 0);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
};
|
|
#else
|
|
#define board_mux NULL
|
|
#endif
|
|
|
|
static void __init igep2_init(void)
|
|
{
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
|
igep2_i2c_init();
|
|
omap_serial_init();
|
|
usb_musb_init();
|
|
|
|
igep2_init_smsc911x();
|
|
|
|
/* GPIO userspace leds */
|
|
if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) &&
|
|
(gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
|
|
gpio_export(IGEP2_GPIO_LED0_RED, 0);
|
|
gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
|
|
} else
|
|
pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
|
|
|
|
if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) &&
|
|
(gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
|
|
gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
|
|
gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
|
|
} else
|
|
pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
|
|
|
|
if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) &&
|
|
(gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
|
|
gpio_export(IGEP2_GPIO_LED1_RED, 0);
|
|
gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
|
|
} else
|
|
pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
|
|
}
|
|
|
|
static void __init igep2_map_io(void)
|
|
{
|
|
omap2_set_globals_343x();
|
|
omap34xx_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(IGEP0020, "IGEP v2 board")
|
|
.phys_io = 0x48000000,
|
|
.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
|
|
.boot_params = 0x80000100,
|
|
.map_io = igep2_map_io,
|
|
.init_irq = igep2_init_irq,
|
|
.init_machine = igep2_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|