Commit 6fdc29e2 authored by Syed Mohammed Khasim's avatar Syed Mohammed Khasim Committed by Tony Lindgren
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ARM: OMAP3: Add support for 3430 SDP, v4



Add support for 3430 SDP.

Various updates have been merged into this patch from
the linux-omap list.

Patch updated to initialize regulators by David Brownell
<dbrownell@users.sourceforge.net>.
Signed-off-by: default avatarSyed Mohammed Khasim <khasim@ti.com>
David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent c6a81316
This diff is collapsed.
......@@ -58,4 +58,8 @@ config MACH_OVERO
config MACH_OMAP3_PANDORA
bool "OMAP3 Pandora"
depends on ARCH_OMAP3 && ARCH_OMAP34XX
\ No newline at end of file
depends on ARCH_OMAP3 && ARCH_OMAP34XX
config MACH_OMAP_3430SDP
bool "OMAP 3430 SDP board"
depends on ARCH_OMAP3 && ARCH_OMAP34XX
......@@ -38,6 +38,8 @@ obj-$(CONFIG_MACH_OVERO) += board-overo.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
mmc-twl4030.o
# Platform specific device init code
ifeq ($(CONFIG_USB_MUSB_SOC),y)
......
/*
* linux/arch/arm/mach-omap2/board-3430sdp.c
*
* Copyright (C) 2007 Texas Instruments
*
* Modified from mach-omap2/board-generic.c
*
* Initial code: Syed Mohammed Khasim
*
* 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/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl4030.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/mcspi.h>
#include <mach/mux.h>
#include <mach/board.h>
#include <mach/usb.h>
#include <mach/common.h>
#include <mach/dma.h>
#include <mach/gpmc.h>
#include <mach/control.h>
#include <mach/keypad.h>
#include "mmc-twl4030.h"
#define CONFIG_DISABLE_HFCLK 1
#define SDP3430_ETHR_GPIO_IRQ_SDPV1 29
#define SDP3430_ETHR_GPIO_IRQ_SDPV2 6
#define SDP3430_SMC91X_CS 3
#define SDP3430_TS_GPIO_IRQ_SDPV1 3
#define SDP3430_TS_GPIO_IRQ_SDPV2 2
#define ENABLE_VAUX3_DEDICATED 0x03
#define ENABLE_VAUX3_DEV_GRP 0x20
#define TWL4030_MSECURE_GPIO 22
static struct resource sdp3430_smc91x_resources[] = {
[0] = {
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 0,
.end = 0,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct platform_device sdp3430_smc91x_device = {
.name = "smc91x",
.id = -1,
.num_resources = ARRAY_SIZE(sdp3430_smc91x_resources),
.resource = sdp3430_smc91x_resources,
};
static int sdp3430_keymap[] = {
KEY(0, 0, KEY_LEFT),
KEY(0, 1, KEY_RIGHT),
KEY(0, 2, KEY_A),
KEY(0, 3, KEY_B),
KEY(0, 4, KEY_C),
KEY(1, 0, KEY_DOWN),
KEY(1, 1, KEY_UP),
KEY(1, 2, KEY_E),
KEY(1, 3, KEY_F),
KEY(1, 4, KEY_G),
KEY(2, 0, KEY_ENTER),
KEY(2, 1, KEY_I),
KEY(2, 2, KEY_J),
KEY(2, 3, KEY_K),
KEY(2, 4, KEY_3),
KEY(3, 0, KEY_M),
KEY(3, 1, KEY_N),
KEY(3, 2, KEY_O),
KEY(3, 3, KEY_P),
KEY(3, 4, KEY_Q),
KEY(4, 0, KEY_R),
KEY(4, 1, KEY_4),
KEY(4, 2, KEY_T),
KEY(4, 3, KEY_U),
KEY(4, 4, KEY_D),
KEY(5, 0, KEY_V),
KEY(5, 1, KEY_W),
KEY(5, 2, KEY_L),
KEY(5, 3, KEY_S),
KEY(5, 4, KEY_H),
0
};
static struct twl4030_keypad_data sdp3430_kp_data = {
.rows = 5,
.cols = 6,
.keymap = sdp3430_keymap,
.keymapsize = ARRAY_SIZE(sdp3430_keymap),
.rep = 1,
};
static int ts_gpio; /* Needed for ads7846_get_pendown_state */
/**
* @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
*
* @return - void. If request gpio fails then Flag KERN_ERR.
*/
static void ads7846_dev_init(void)
{
if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
printk(KERN_ERR "can't get ads746 pen down GPIO\n");
return;
}
gpio_direction_input(ts_gpio);
omap_set_gpio_debounce(ts_gpio, 1);
omap_set_gpio_debounce_time(ts_gpio, 0xa);
}
static int ads7846_get_pendown_state(void)
{
return !gpio_get_value(ts_gpio);
}
static struct ads7846_platform_data tsc2046_config __initdata = {
.get_pendown_state = ads7846_get_pendown_state,
.keep_vref_on = 1,
};
static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
.turbo_mode = 0,
.single_channel = 1, /* 0: slave, 1: master */
};
static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
[0] = {
/*
* TSC2046 operates at a max freqency of 2MHz, so
* operate slightly below at 1.5MHz
*/
.modalias = "ads7846",
.bus_num = 1,
.chip_select = 0,
.max_speed_hz = 1500000,
.controller_data = &tsc2046_mcspi_config,
.irq = 0,
.platform_data = &tsc2046_config,
},
};
static struct platform_device sdp3430_lcd_device = {
.name = "sdp2430_lcd",
.id = -1,
};
static struct regulator_consumer_supply sdp3430_vdac_supply = {
.supply = "vdac",
.dev = &sdp3430_lcd_device.dev,
};
static struct regulator_consumer_supply sdp3430_vdvi_supply = {
.supply = "vdvi",
.dev = &sdp3430_lcd_device.dev,
};
static struct platform_device *sdp3430_devices[] __initdata = {
&sdp3430_smc91x_device,
&sdp3430_lcd_device,
};
static inline void __init sdp3430_init_smc91x(void)
{
int eth_cs;
unsigned long cs_mem_base;
int eth_gpio = 0;
eth_cs = SDP3430_SMC91X_CS;
if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
return;
}
sdp3430_smc91x_resources[0].start = cs_mem_base + 0x300;
sdp3430_smc91x_resources[0].end = cs_mem_base + 0x30f;
udelay(100);
if (omap_rev() > OMAP3430_REV_ES1_0)
eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV2;
else
eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV1;
sdp3430_smc91x_resources[1].start = gpio_to_irq(eth_gpio);
if (gpio_request(eth_gpio, "SMC91x irq") < 0) {
printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
eth_gpio);
return;
}
gpio_direction_input(eth_gpio);
}
static void __init omap_3430sdp_init_irq(void)
{
omap2_init_common_hw();
omap_init_irq();
omap_gpio_init();
sdp3430_init_smc91x();
}
static struct omap_uart_config sdp3430_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_lcd_config sdp3430_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel sdp3430_config[] __initdata = {
{ OMAP_TAG_UART, &sdp3430_uart_config },
{ OMAP_TAG_LCD, &sdp3430_lcd_config },
};
static int sdp3430_batt_table[] = {
/* 0 C*/
30800, 29500, 28300, 27100,
26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
11600, 11200, 10800, 10400, 10000, 9630, 9280, 8950, 8620, 8310,
8020, 7730, 7460, 7200, 6950, 6710, 6470, 6250, 6040, 5830,
5640, 5450, 5260, 5090, 4920, 4760, 4600, 4450, 4310, 4170,
4040, 3910, 3790, 3670, 3550
};
static struct twl4030_bci_platform_data sdp3430_bci_data = {
.battery_tmp_tbl = sdp3430_batt_table,
.tblsize = ARRAY_SIZE(sdp3430_batt_table),
};
static struct twl4030_hsmmc_info mmc[] = {
{
.mmc = 1,
/* 8 bits (default) requires S6.3 == ON,
* so the SIM card isn't used; else 4 bits.
*/
.wires = 8,
.gpio_wp = 4,
},
{
.mmc = 2,
.wires = 8,
.gpio_wp = 7,
},
{} /* Terminator */
};
static struct regulator_consumer_supply sdp3430_vmmc1_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply sdp3430_vsim_supply = {
.supply = "vmmc_aux",
};
static struct regulator_consumer_supply sdp3430_vmmc2_supply = {
.supply = "vmmc",
};
static int sdp3430_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
/* gpio + 0 is "mmc0_cd" (input/IRQ),
* gpio + 1 is "mmc1_cd" (input/IRQ)
*/
mmc[0].gpio_cd = gpio + 0;
mmc[1].gpio_cd = gpio + 1;
twl4030_mmc_init(mmc);
/* link regulators to MMC adapters ... we "know" the
* regulators will be set up only *after* we return.
*/
sdp3430_vmmc1_supply.dev = mmc[0].dev;
sdp3430_vsim_supply.dev = mmc[0].dev;
sdp3430_vmmc2_supply.dev = mmc[1].dev;
/* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
gpio_request(gpio + 7, "sub_lcd_en_bkl");
gpio_direction_output(gpio + 7, 0);
/* gpio + 15 is "sub_lcd_nRST" (output) */
gpio_request(gpio + 15, "sub_lcd_nRST");
gpio_direction_output(gpio + 15, 0);
return 0;
}
static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.pulldowns = BIT(2) | BIT(6) | BIT(8) | BIT(13)
| BIT(16) | BIT(17),
.setup = sdp3430_twl_gpio_setup,
};
static struct twl4030_usb_data sdp3430_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
static struct twl4030_madc_platform_data sdp3430_madc_data = {
.irq_line = 1,
};
/*
* Apply all the fixed voltages since most versions of U-Boot
* don't bother with that initialization.
*/
/* VAUX1 for mainboard (irda and sub-lcd) */
static struct regulator_init_data sdp3430_vaux1 = {
.constraints = {
.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,
},
};
/* VAUX2 for camera module */
static struct regulator_init_data sdp3430_vaux2 = {
.constraints = {
.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,
},
};
/* VAUX3 for LCD board */
static struct regulator_init_data sdp3430_vaux3 = {
.constraints = {
.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,
},
};
/* VAUX4 for OMAP VDD_CSI2 (camera) */
static struct regulator_init_data sdp3430_vaux4 = {
.constraints = {
.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,
},
};
/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data sdp3430_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 = &sdp3430_vmmc1_supply,
};
/* VMMC2 for MMC2 card */
static struct regulator_init_data sdp3430_vmmc2 = {
.constraints = {
.min_uV = 1850000,
.max_uV = 1850000,
.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 = &sdp3430_vmmc2_supply,
};
/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
static struct regulator_init_data sdp3430_vsim = {
.constraints = {
.min_uV = 1800000,
.max_uV = 3000000,
.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 = &sdp3430_vsim_supply,
};
/* VDAC for DSS driving S-Video */
static struct regulator_init_data sdp3430_vdac = {
.constraints = {
.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 = &sdp3430_vdac_supply,
};
/* VPLL2 for digital video outputs */
static struct regulator_init_data sdp3430_vpll2 = {
.constraints = {
.name = "VDVI",
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &sdp3430_vdvi_supply,
};
static struct twl4030_platform_data sdp3430_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.bci = &sdp3430_bci_data,
.gpio = &sdp3430_gpio_data,
.madc = &sdp3430_madc_data,
.keypad = &sdp3430_kp_data,
.usb = &sdp3430_usb_data,
.vaux1 = &sdp3430_vaux1,
.vaux2 = &sdp3430_vaux2,
.vaux3 = &sdp3430_vaux3,
.vaux4 = &sdp3430_vaux4,
.vmmc1 = &sdp3430_vmmc1,
.vmmc2 = &sdp3430_vmmc2,
.vsim = &sdp3430_vsim,
.vdac = &sdp3430_vdac,
.vpll2 = &sdp3430_vpll2,
};
static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &sdp3430_twldata,
},
};
static int __init omap3430_i2c_init(void)
{
/* i2c1 for PMIC only */
omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
ARRAY_SIZE(sdp3430_i2c_boardinfo));
/* i2c2 on camera connector (for sensor control) and optional isp1301 */
omap_register_i2c_bus(2, 400, NULL, 0);
/* i2c3 on display connector (for DVI, tfp410) */
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
static void __init omap_3430sdp_init(void)
{
omap3430_i2c_init();
platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
omap_board_config = sdp3430_config;
omap_board_config_size = ARRAY_SIZE(sdp3430_config);
if (omap_rev() > OMAP3430_REV_ES1_0)
ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
else
ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
spi_register_board_info(sdp3430_spi_board_info,
ARRAY_SIZE(sdp3430_spi_board_info));
ads7846_dev_init();
omap_serial_init();
usb_musb_init();
}
static void __init omap_3430sdp_map_io(void)
{
omap2_set_globals_343x();
omap2_map_common_io();
}
MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
/* Maintainer: Syed Khasim - Texas Instruments Inc */
.phys_io = 0x48000000,
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = omap_3430sdp_map_io,
.init_irq = omap_3430sdp_init_irq,
.init_machine = omap_3430sdp_init,
.timer = &omap_timer,
MACHINE_END
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