/*
* linux/arch/arm/mach-omap2/board-rx51-flash.c
*
* Copyright (C) 2008-2009 Nokia
*
* 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/input.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/i2c/twl4030.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <mach/mcspi.h>
#include <mach/mux.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/dma.h>
#include <mach/gpmc.h>
#include <mach/keypad.h>
#include "mmc-twl4030.h"
#define SMC91X_CS 1
#define SMC91X_GPIO_IRQ 54
#define SMC91X_GPIO_RESET 164
#define SMC91X_GPIO_PWRDWN 86
static struct resource rx51_smc91x_resources[] = {
[0] = {
.flags = IORESOURCE_MEM,
},
[1] = {
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
},
};
static struct platform_device rx51_smc91x_device = {
.name = "smc91x",
.id = -1,
.num_resources = ARRAY_SIZE(rx51_smc91x_resources),
.resource = rx51_smc91x_resources,
};
static int rx51_keymap[] = {
KEY(0, 0, KEY_Q),
KEY(0, 1, KEY_W),
KEY(0, 2, KEY_E),
KEY(0, 3, KEY_R),
KEY(0, 4, KEY_T),
KEY(0, 5, KEY_Y),
KEY(0, 6, KEY_U),
KEY(0, 7, KEY_I),
KEY(1, 0, KEY_O),
KEY(1, 1, KEY_D),
KEY(1, 2, KEY_DOT),
KEY(1, 3, KEY_V),
KEY(1, 4, KEY_DOWN),
KEY(2, 0, KEY_P),
KEY(2, 1, KEY_F),
KEY(2, 2, KEY_UP),
KEY(2, 3, KEY_B),
KEY(2, 4, KEY_RIGHT),
KEY(3, 0, KEY_COMMA),
KEY(3, 1, KEY_G),
KEY(3, 2, KEY_ENTER),
KEY(3, 3, KEY_N),
KEY(4, 0, KEY_BACKSPACE),
KEY(4, 1, KEY_H),
KEY(4, 3, KEY_M),
KEY(4, 4, KEY_LEFTCTRL),
KEY(5, 1, KEY_J),
KEY(5, 2, KEY_Z),
KEY(5, 3, KEY_SPACE),
KEY(5, 4, KEY_LEFTSHIFT),
KEY(6, 0, KEY_A),
KEY(6, 1, KEY_K),
KEY(6, 2, KEY_X),
KEY(6, 3, KEY_SPACE),
KEY(6, 4, KEY_FN),
KEY(7, 0, KEY_S),
KEY(7, 1, KEY_L),
KEY(7, 2, KEY_C),
KEY(7, 3, KEY_LEFT),
KEY(0xff, 0, KEY_F6),
KEY(0xff, 1, KEY_F7),
KEY(0xff, 2, KEY_F8),
KEY(0xff, 4, KEY_F9),
KEY(0xff, 5, KEY_F10),
};
static struct twl4030_keypad_data rx51_kp_data = {
.rows = 8,
.cols = 8,
.keymap = rx51_keymap,
.keymapsize = ARRAY_SIZE(rx51_keymap),
.rep = 1,
};
static struct platform_device *rx51_peripherals_devices[] = {
&rx51_smc91x_device,
};
/*
* Timings are taken from smsc-lan91c96-ms.pdf
*/
static int smc91x_init_gpmc(int cs)
{
struct gpmc_timings t;
const int t2_r = 45; /* t2 in Figure 12.10 */
const int t2_w = 30; /* t2 in Figure 12.11 */
const int t3 = 15; /* t3 in Figure 12.10 */
const int t5_r = 0; /* t5 in Figure 12.10 */
const int t6_r = 45; /* t6 in Figure 12.10 */
const int t6_w = 0; /* t6 in Figure 12.11 */
const int t7_w = 15; /* t7 in Figure 12.11 */
const int t15 = 12; /* t15 in Figure 12.2 */
const int t20 = 185; /* t20 in Figure 12.2 */
memset(&t, 0, sizeof(t));
t.cs_on = t15;
t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */
t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */
t.adv_on = t3; /* Figure 12.10 */
t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */
t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */
t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */
t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */
t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */
t.we_on = t.we_off - t7_w; /* Figure 12.11 */
t.rd_cycle = t20; /* Figure 12.2 */
t.wr_cycle = t20; /* Figure 12.4 */
t.access = t3 + t2_r + t5_r; /* Figure 12.10 */
t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */
gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16);
return gpmc_cs_set_timings(cs, &t);
}
static void __init rx51_init_smc91x(void)
{
unsigned long cs_mem_base;
int ret;
omap_cfg_reg(U8_34XX_GPIO54_DOWN);
omap_cfg_reg(G25_34XX_GPIO86_OUT);
omap_cfg_reg(H19_34XX_GPIO164_OUT);
if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) {
printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
return;
}
rx51_smc91x_resources[0].start = cs_mem_base + 0x300;
rx51_smc91x_resources[0].end = cs_mem_base + 0x30f;
smc91x_init_gpmc(SMC91X_CS);
if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0)
goto free1;
gpio_direction_input(SMC91X_GPIO_IRQ);
rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ);
ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown");
if (ret)
goto free2;
gpio_direction_output(SMC91X_GPIO_PWRDWN, 0);
ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset");
if (ret)
goto free3;
gpio_direction_output(SMC91X_GPIO_RESET, 0);
gpio_set_value(SMC91X_GPIO_RESET, 1);
msleep(100);
gpio_set_value(SMC91X_GPIO_RESET, 0);
return;
free3:
gpio_free(SMC91X_GPIO_PWRDWN);
free2:
gpio_free(SMC91X_GPIO_IRQ);
free1:
gpmc_cs_free(SMC91X_CS);
printk(KERN_ERR "Could not initialize smc91x\n");
}
static struct twl4030_madc_platform_data rx51_madc_data = {
.irq_line = 1,
};
static struct twl4030_hsmmc_info mmc[] = {
{
.name = "external",
.mmc = 1,
.wires = 4,
.cover_only = true,
.gpio_cd = 160,
.gpio_wp = -EINVAL,
},
{
.name = "internal",
.mmc = 2,
.wires = 8,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{} /* Terminator */
};
static struct regulator_consumer_supply rx51_vmmc1_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply rx51_vmmc2_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply rx51_vsim_supply = {
.supply = "vmmc_aux",
};
static struct regulator_init_data rx51_vaux1 = {
.constraints = {
.name = "V28",
.min_uV = 2800000,
.max_uV = 2800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_vaux2 = {
.constraints = {
.name = "VCSI",
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
/* VAUX3 - adds more power to VIO_18 rail */
static struct regulator_init_data rx51_vaux3 = {
.constraints = {
.name = "VCAM_DIG_18",
.min_uV = 1800000,
.max_uV = 1800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_vaux4 = {
.constraints = {
.name = "VCAM_ANA_28",
.min_uV = 2800000,
.max_uV = 2800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_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 = &rx51_vmmc1_supply,
};
static struct regulator_init_data rx51_vmmc2 = {
.constraints = {
.name = "VMMC2_30",
.min_uV = 1850000,
.max_uV = 3150000,
.apply_uV = true,
.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 = &rx51_vmmc2_supply,
};
static struct regulator_init_data rx51_vsim = {
.constraints = {
.name = "VMMC2_IO_18",
.min_uV = 1800000,
.max_uV = 1800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vsim_supply,
};
static struct regulator_init_data rx51_vdac = {
.constraints = {
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
{
/* FIXME this gpio setup is just a placeholder for now */
gpio_request(gpio + 6, "backlight_pwm");
gpio_direction_output(gpio + 6, 0);
gpio_request(gpio + 7, "speaker_en");
gpio_direction_output(gpio + 7, 1);
/* set up MMC adapters, linking their regulators to them */
twl4030_mmc_init(mmc);
rx51_vmmc1_supply.dev = mmc[0].dev;
rx51_vmmc2_supply.dev = mmc[1].dev;
rx51_vsim_supply.dev = mmc[1].dev;
return 0;
}
static struct twl4030_gpio_platform_data rx51_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3)
| BIT(4) | BIT(5)
| BIT(8) | BIT(9) | BIT(10) | BIT(11)
| BIT(12) | BIT(13) | BIT(14) | BIT(15)
| BIT(16) | BIT(17) ,
.setup = rx51_twlgpio_setup,
};
static struct twl4030_platform_data rx51_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &rx51_gpio_data,
.keypad = &rx51_kp_data,
.madc = &rx51_madc_data,
.vaux1 = &rx51_vaux1,
.vaux2 = &rx51_vaux2,
.vaux3 = &rx51_vaux3,
.vaux4 = &rx51_vaux4,
.vmmc1 = &rx51_vmmc1,
.vmmc2 = &rx51_vmmc2,
.vsim = &rx51_vsim,
.vdac = &rx51_vdac,
};
static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
{
I2C_BOARD_INFO("twl5030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &rx51_twldata,
},
};
static int __init rx51_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
omap_register_i2c_bus(2, 100, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
void __init rx51_peripherals_init(void)
{
platform_add_devices(rx51_peripherals_devices,
ARRAY_SIZE(rx51_peripherals_devices));
rx51_i2c_init();
rx51_init_smc91x();
}
