omap3: Add CompuLab CM-T35 board support

This patch adds basic support for CompuLab CM-T35 module.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Mike Rapoport 2009-11-18 18:41:07 -08:00 committed by Tony Lindgren
parent a24e61a9ce
commit 2886d128d8
3 changed files with 513 additions and 0 deletions

View file

@ -101,6 +101,10 @@ config MACH_OMAP_ZOOM3
bool "OMAP3630 Zoom3 board"
depends on ARCH_OMAP3 && ARCH_OMAP34XX
config MACH_CM_T35
bool "CompuLab CM-T35 module"
depends on ARCH_OMAP3 && ARCH_OMAP34XX
config MACH_OMAP_4430SDP
bool "OMAP 4430 SDP board"
depends on ARCH_OMAP4

View file

@ -83,6 +83,8 @@ obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \
board-zoom-peripherals.o \
mmc-twl4030.o \
board-zoom-debugboard.o
obj-$(CONFIG_MACH_CM_T35) += board-cm-t35.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o

View file

@ -0,0 +1,507 @@
/*
* board-cm-t35.c (CompuLab CM-T35 module)
*
* Copyright (C) 2009 CompuLab, Ltd.
* Author: Mike Rapoport <mike@compulab.co.il>
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/i2c/at24.h>
#include <linux/i2c/twl4030.h>
#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/mux.h>
#include <plat/nand.h>
#include <plat/gpmc.h>
#include <plat/usb.h>
#include <mach/hardware.h>
#include "sdram-micron-mt46h32m32lf-6.h"
#include "mmc-twl4030.h"
#define CM_T35_GPIO_PENDOWN 57
#define CM_T35_SMSC911X_CS 5
#define CM_T35_SMSC911X_GPIO 163
#define SB_T35_SMSC911X_CS 4
#define SB_T35_SMSC911X_GPIO 65
#define NAND_BLOCK_SIZE SZ_128K
#define GPMC_CS0_BASE 0x60
#define GPMC_CS0_BASE_ADDR (OMAP34XX_GPMC_VIRT + GPMC_CS0_BASE)
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#include <linux/smsc911x.h>
static struct smsc911x_platform_config cm_t35_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 cm_t35_smsc911x_resources[] = {
{
.flags = IORESOURCE_MEM,
},
{
.start = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
.end = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct platform_device cm_t35_smsc911x_device = {
.name = "smsc911x",
.id = 0,
.num_resources = ARRAY_SIZE(cm_t35_smsc911x_resources),
.resource = cm_t35_smsc911x_resources,
.dev = {
.platform_data = &cm_t35_smsc911x_config,
},
};
static struct resource sb_t35_smsc911x_resources[] = {
{
.flags = IORESOURCE_MEM,
},
{
.start = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
.end = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct platform_device sb_t35_smsc911x_device = {
.name = "smsc911x",
.id = 1,
.num_resources = ARRAY_SIZE(sb_t35_smsc911x_resources),
.resource = sb_t35_smsc911x_resources,
.dev = {
.platform_data = &cm_t35_smsc911x_config,
},
};
static void __init cm_t35_init_smsc911x(struct platform_device *dev,
int cs, int irq_gpio)
{
unsigned long cs_mem_base;
if (gpmc_cs_request(cs, SZ_16M, &cs_mem_base) < 0) {
pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n");
return;
}
dev->resource[0].start = cs_mem_base + 0x0;
dev->resource[0].end = cs_mem_base + 0xff;
if ((gpio_request(irq_gpio, "ETH IRQ") == 0) &&
(gpio_direction_input(irq_gpio) == 0)) {
gpio_export(irq_gpio, 0);
} else {
pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n");
return;
}
platform_device_register(dev);
}
static void __init cm_t35_init_ethernet(void)
{
cm_t35_init_smsc911x(&cm_t35_smsc911x_device,
CM_T35_SMSC911X_CS, CM_T35_SMSC911X_GPIO);
cm_t35_init_smsc911x(&sb_t35_smsc911x_device,
SB_T35_SMSC911X_CS, SB_T35_SMSC911X_GPIO);
}
#else
static inline void __init cm_t35_init_ethernet(void) { return; }
#endif
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
#include <linux/leds.h>
static struct gpio_led cm_t35_leds[] = {
[0] = {
.gpio = 186,
.name = "cm-t35:green",
.default_trigger = "heartbeat",
.active_low = 0,
},
};
static struct gpio_led_platform_data cm_t35_led_pdata = {
.num_leds = ARRAY_SIZE(cm_t35_leds),
.leds = cm_t35_leds,
};
static struct platform_device cm_t35_led_device = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &cm_t35_led_pdata,
},
};
static void __init cm_t35_init_led(void)
{
platform_device_register(&cm_t35_led_device);
}
#else
static inline void cm_t35_init_led(void) {}
#endif
#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
static struct mtd_partition cm_t35_nand_partitions[] = {
{
.name = "xloader",
.offset = 0, /* Offset = 0x00000 */
.size = 4 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE
},
{
.name = "uboot",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
.size = 15 * NAND_BLOCK_SIZE,
},
{
.name = "uboot environment",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
.size = 2 * NAND_BLOCK_SIZE,
},
{
.name = "linux",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
.size = 32 * NAND_BLOCK_SIZE,
},
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
.size = MTDPART_SIZ_FULL,
},
};
static struct omap_nand_platform_data cm_t35_nand_data = {
.parts = cm_t35_nand_partitions,
.nr_parts = ARRAY_SIZE(cm_t35_nand_partitions),
.dma_channel = -1, /* disable DMA in OMAP NAND driver */
.cs = 0,
.gpmc_cs_baseaddr = (void __iomem *)GPMC_CS0_BASE_ADDR,
.gpmc_baseaddr = (void __iomem *)OMAP34XX_GPMC_VIRT,
};
static struct resource cm_t35_nand_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device cm_t35_nand_device = {
.name = "omap2-nand",
.id = -1,
.num_resources = 1,
.resource = &cm_t35_nand_resource,
.dev = {
.platform_data = &cm_t35_nand_data,
},
};
static void __init cm_t35_init_nand(void)
{
if (platform_device_register(&cm_t35_nand_device) < 0)
pr_err("CM-T35: Unable to register NAND device\n");
}
#else
static inline void cm_t35_init_nand(void) {}
#endif
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <plat/mcspi.h>
static struct omap2_mcspi_device_config ads7846_mcspi_config = {
.turbo_mode = 0,
.single_channel = 1, /* 0: slave, 1: master */
};
static int ads7846_get_pendown_state(void)
{
return !gpio_get_value(CM_T35_GPIO_PENDOWN);
}
static struct ads7846_platform_data ads7846_config = {
.x_max = 0x0fff,
.y_max = 0x0fff,
.x_plate_ohms = 180,
.pressure_max = 255,
.debounce_max = 10,
.debounce_tol = 3,
.debounce_rep = 1,
.get_pendown_state = ads7846_get_pendown_state,
.keep_vref_on = 1,
};
static struct spi_board_info cm_t35_spi_board_info[] __initdata = {
{
.modalias = "ads7846",
.bus_num = 1,
.chip_select = 0,
.max_speed_hz = 1500000,
.controller_data = &ads7846_mcspi_config,
.irq = OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN),
.platform_data = &ads7846_config,
},
};
static void __init cm_t35_init_ads7846(void)
{
if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
(gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) {
gpio_export(CM_T35_GPIO_PENDOWN, 0);
} else {
pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n");
return;
}
spi_register_board_info(cm_t35_spi_board_info,
ARRAY_SIZE(cm_t35_spi_board_info));
}
#else
static inline void cm_t35_init_ads7846(void) {}
#endif
static struct regulator_consumer_supply cm_t35_vmmc1_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply cm_t35_vsim_supply = {
.supply = "vmmc_aux",
};
/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data cm_t35_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 = &cm_t35_vmmc1_supply,
};
/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data cm_t35_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 = &cm_t35_vsim_supply,
};
static struct twl4030_usb_data cm_t35_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
static int cm_t35_keymap[] = {
KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_LEFT),
KEY(1, 0, KEY_UP), KEY(1, 1, KEY_ENTER), KEY(1, 2, KEY_DOWN),
KEY(2, 0, KEY_RIGHT), KEY(2, 1, KEY_C), KEY(2, 2, KEY_D),
};
static struct matrix_keymap_data cm_t35_keymap_data = {
.keymap = cm_t35_keymap,
.keymap_size = ARRAY_SIZE(cm_t35_keymap),
};
static struct twl4030_keypad_data cm_t35_kp_data = {
.keymap_data = &cm_t35_keymap_data,
.rows = 3,
.cols = 3,
.rep = 1,
};
static struct twl4030_hsmmc_info mmc[] = {
{
.mmc = 1,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{
.mmc = 2,
.wires = 4,
.transceiver = 1,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.ocr_mask = 0x00100000, /* 3.3V */
},
{} /* Terminator */
};
static struct ehci_hcd_omap_platform_data ehci_pdata = {
.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
.phy_reset = true,
.reset_gpio_port[0] = -EINVAL,
.reset_gpio_port[1] = -EINVAL,
.reset_gpio_port[2] = -EINVAL
};
static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,
unsigned ngpio)
{
int wlan_rst = gpio + 2;
if ((gpio_request(wlan_rst, "WLAN RST") == 0) &&
(gpio_direction_output(wlan_rst, 1) == 0)) {
gpio_export(wlan_rst, 0);
udelay(10);
gpio_set_value(wlan_rst, 0);
udelay(10);
gpio_set_value(wlan_rst, 1);
} else {
pr_err("CM-T35: could not obtain gpio for WiFi reset\n");
}
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
mmc[0].gpio_cd = gpio + 0;
twl4030_mmc_init(mmc);
/* link regulators to MMC adapters */
cm_t35_vmmc1_supply.dev = mmc[0].dev;
cm_t35_vsim_supply.dev = mmc[0].dev;
/* setup USB with proper PHY reset GPIOs */
ehci_pdata.reset_gpio_port[0] = gpio + 6;
ehci_pdata.reset_gpio_port[1] = gpio + 7;
usb_ehci_init(&ehci_pdata);
return 0;
}
static struct twl4030_gpio_platform_data cm_t35_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.setup = cm_t35_twl_gpio_setup,
};
static struct twl4030_platform_data cm_t35_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.keypad = &cm_t35_kp_data,
.usb = &cm_t35_usb_data,
.gpio = &cm_t35_gpio_data,
.vmmc1 = &cm_t35_vmmc1,
.vsim = &cm_t35_vsim,
};
static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("tps65930", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &cm_t35_twldata,
},
};
static void __init cm_t35_init_i2c(void)
{
omap_register_i2c_bus(1, 2600, cm_t35_i2c_boardinfo,
ARRAY_SIZE(cm_t35_i2c_boardinfo));
}
static struct omap_board_config_kernel cm_t35_config[] __initdata = {
};
static void __init cm_t35_init_irq(void)
{
omap_board_config = cm_t35_config;
omap_board_config_size = ARRAY_SIZE(cm_t35_config);
omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
mt46h32m32lf6_sdrc_params);
omap_init_irq();
omap_gpio_init();
}
static void __init cm_t35_map_io(void)
{
omap2_set_globals_343x();
omap2_map_common_io();
}
static void __init cm_t35_init(void)
{
omap_serial_init();
cm_t35_init_i2c();
cm_t35_init_nand();
cm_t35_init_ads7846();
cm_t35_init_ethernet();
cm_t35_init_led();
usb_musb_init();
omap_cfg_reg(AF26_34XX_SYS_NIRQ);
}
MACHINE_START(CM_T35, "Compulab CM-T35")
.phys_io = 0x48000000,
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = cm_t35_map_io,
.init_irq = cm_t35_init_irq,
.init_machine = cm_t35_init,
.timer = &omap_timer,
MACHINE_END