mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 08:31:55 +00:00
53a02d11f1
this makes the mbimxsd51 board naming consistant with others Signed-off-by: Eric Bénard <eric@eukrea.com> Cc: Sascha Hauer <kernel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
232 lines
6.1 KiB
C
232 lines
6.1 KiB
C
/*
|
|
* Copyright (C) 2010 Eric Benard - eric@eukrea.com
|
|
*
|
|
* Based on pcm970-baseboard.c which is :
|
|
* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
|
|
*
|
|
* 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.
|
|
*
|
|
* 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 Street, Fifth Floor, Boston,
|
|
* MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/gpio.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/input.h>
|
|
#include <linux/i2c.h>
|
|
#include <video/platform_lcd.h>
|
|
#include <linux/backlight.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/common.h>
|
|
#include <mach/iomux-mx51.h>
|
|
|
|
#include "devices-imx51.h"
|
|
|
|
static iomux_v3_cfg_t eukrea_mbimxsd51_pads[] = {
|
|
/* LED */
|
|
MX51_PAD_NANDF_D10__GPIO3_30,
|
|
/* SWITCH */
|
|
NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, PAD_CTL_PUS_22K_UP |
|
|
PAD_CTL_PKE | PAD_CTL_SRE_FAST |
|
|
PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
|
|
/* UART2 */
|
|
MX51_PAD_UART2_RXD__UART2_RXD,
|
|
MX51_PAD_UART2_TXD__UART2_TXD,
|
|
/* UART 3 */
|
|
MX51_PAD_UART3_RXD__UART3_RXD,
|
|
MX51_PAD_UART3_TXD__UART3_TXD,
|
|
MX51_PAD_KEY_COL4__UART3_RTS,
|
|
MX51_PAD_KEY_COL5__UART3_CTS,
|
|
/* SD */
|
|
MX51_PAD_SD1_CMD__SD1_CMD,
|
|
MX51_PAD_SD1_CLK__SD1_CLK,
|
|
MX51_PAD_SD1_DATA0__SD1_DATA0,
|
|
MX51_PAD_SD1_DATA1__SD1_DATA1,
|
|
MX51_PAD_SD1_DATA2__SD1_DATA2,
|
|
MX51_PAD_SD1_DATA3__SD1_DATA3,
|
|
/* SD1 CD */
|
|
NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_PUS_22K_UP |
|
|
PAD_CTL_PKE | PAD_CTL_SRE_FAST |
|
|
PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
|
|
/* SSI */
|
|
MX51_PAD_AUD3_BB_TXD__AUD3_TXD,
|
|
MX51_PAD_AUD3_BB_RXD__AUD3_RXD,
|
|
MX51_PAD_AUD3_BB_CK__AUD3_TXC,
|
|
MX51_PAD_AUD3_BB_FS__AUD3_TXFS,
|
|
/* LCD Backlight */
|
|
MX51_PAD_DI1_D1_CS__GPIO3_4,
|
|
/* LCD RST */
|
|
MX51_PAD_CSI1_D9__GPIO3_13,
|
|
};
|
|
|
|
#define GPIO_LED1 IMX_GPIO_NR(3, 30)
|
|
#define GPIO_SWITCH1 IMX_GPIO_NR(3, 31)
|
|
#define GPIO_LCDRST IMX_GPIO_NR(3, 13)
|
|
#define GPIO_LCDBL IMX_GPIO_NR(3, 4)
|
|
|
|
static void eukrea_mbimxsd51_lcd_power_set(struct plat_lcd_data *pd,
|
|
unsigned int power)
|
|
{
|
|
if (power)
|
|
gpio_direction_output(GPIO_LCDRST, 1);
|
|
else
|
|
gpio_direction_output(GPIO_LCDRST, 0);
|
|
}
|
|
|
|
static struct plat_lcd_data eukrea_mbimxsd51_lcd_power_data = {
|
|
.set_power = eukrea_mbimxsd51_lcd_power_set,
|
|
};
|
|
|
|
static struct platform_device eukrea_mbimxsd51_lcd_powerdev = {
|
|
.name = "platform-lcd",
|
|
.dev.platform_data = &eukrea_mbimxsd51_lcd_power_data,
|
|
};
|
|
|
|
static void eukrea_mbimxsd51_bl_set_intensity(int intensity)
|
|
{
|
|
if (intensity)
|
|
gpio_direction_output(GPIO_LCDBL, 1);
|
|
else
|
|
gpio_direction_output(GPIO_LCDBL, 0);
|
|
}
|
|
|
|
static struct generic_bl_info eukrea_mbimxsd51_bl_info = {
|
|
.name = "eukrea_mbimxsd51-bl",
|
|
.max_intensity = 0xff,
|
|
.default_intensity = 0xff,
|
|
.set_bl_intensity = eukrea_mbimxsd51_bl_set_intensity,
|
|
};
|
|
|
|
static struct platform_device eukrea_mbimxsd51_bl_dev = {
|
|
.name = "generic-bl",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &eukrea_mbimxsd51_bl_info,
|
|
},
|
|
};
|
|
|
|
static const struct gpio_led eukrea_mbimxsd51_leds[] __initconst = {
|
|
{
|
|
.name = "led1",
|
|
.default_trigger = "heartbeat",
|
|
.active_low = 1,
|
|
.gpio = GPIO_LED1,
|
|
},
|
|
};
|
|
|
|
static const struct gpio_led_platform_data
|
|
eukrea_mbimxsd51_led_info __initconst = {
|
|
.leds = eukrea_mbimxsd51_leds,
|
|
.num_leds = ARRAY_SIZE(eukrea_mbimxsd51_leds),
|
|
};
|
|
|
|
static struct gpio_keys_button eukrea_mbimxsd51_gpio_buttons[] = {
|
|
{
|
|
.gpio = GPIO_SWITCH1,
|
|
.code = BTN_0,
|
|
.desc = "BP1",
|
|
.active_low = 1,
|
|
.wakeup = 1,
|
|
},
|
|
};
|
|
|
|
static const struct gpio_keys_platform_data
|
|
eukrea_mbimxsd51_button_data __initconst = {
|
|
.buttons = eukrea_mbimxsd51_gpio_buttons,
|
|
.nbuttons = ARRAY_SIZE(eukrea_mbimxsd51_gpio_buttons),
|
|
};
|
|
|
|
static const struct imxuart_platform_data uart_pdata __initconst = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static struct i2c_board_info eukrea_mbimxsd51_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("tlv320aic23", 0x1a),
|
|
},
|
|
};
|
|
|
|
static const
|
|
struct imx_ssi_platform_data eukrea_mbimxsd51_ssi_pdata __initconst = {
|
|
.flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
|
|
};
|
|
|
|
static int screen_type;
|
|
|
|
static int __init eukrea_mbimxsd51_screen_type(char *options)
|
|
{
|
|
if (!strcmp(options, "dvi"))
|
|
screen_type = 1;
|
|
else if (!strcmp(options, "tft"))
|
|
screen_type = 0;
|
|
|
|
return 0;
|
|
}
|
|
__setup("screen_type=", eukrea_mbimxsd51_screen_type);
|
|
|
|
/*
|
|
* system init for baseboard usage. Will be called by cpuimx51sd init.
|
|
*
|
|
* Add platform devices present on this baseboard and init
|
|
* them from CPU side as far as required to use them later on
|
|
*/
|
|
void __init eukrea_mbimxsd51_baseboard_init(void)
|
|
{
|
|
if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd51_pads,
|
|
ARRAY_SIZE(eukrea_mbimxsd51_pads)))
|
|
printk(KERN_ERR "error setting mbimxsd pads !\n");
|
|
|
|
imx51_add_imx_uart(1, NULL);
|
|
imx51_add_imx_uart(2, &uart_pdata);
|
|
|
|
imx51_add_sdhci_esdhc_imx(0, NULL);
|
|
|
|
imx51_add_imx_ssi(0, &eukrea_mbimxsd51_ssi_pdata);
|
|
|
|
gpio_request(GPIO_LED1, "LED1");
|
|
gpio_direction_output(GPIO_LED1, 1);
|
|
gpio_free(GPIO_LED1);
|
|
|
|
gpio_request(GPIO_SWITCH1, "SWITCH1");
|
|
gpio_direction_input(GPIO_SWITCH1);
|
|
gpio_free(GPIO_SWITCH1);
|
|
|
|
gpio_request(GPIO_LCDRST, "LCDRST");
|
|
gpio_direction_output(GPIO_LCDRST, 0);
|
|
gpio_request(GPIO_LCDBL, "LCDBL");
|
|
gpio_direction_output(GPIO_LCDBL, 0);
|
|
if (!screen_type) {
|
|
platform_device_register(&eukrea_mbimxsd51_bl_dev);
|
|
platform_device_register(&eukrea_mbimxsd51_lcd_powerdev);
|
|
} else {
|
|
gpio_free(GPIO_LCDRST);
|
|
gpio_free(GPIO_LCDBL);
|
|
}
|
|
|
|
i2c_register_board_info(0, eukrea_mbimxsd51_i2c_devices,
|
|
ARRAY_SIZE(eukrea_mbimxsd51_i2c_devices));
|
|
|
|
gpio_led_register_device(-1, &eukrea_mbimxsd51_led_info);
|
|
imx_add_gpio_keys(&eukrea_mbimxsd51_button_data);
|
|
}
|