/*
* 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/gpio.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/spi/spi.h>
#include <video/platform_lcd.h>
#include <mach/hardware.h>
#include <mach/iomux-mx25.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/mx25.h>
#include "devices-imx25.h"
static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
/* LCD */
MX25_PAD_LD0__LD0,
MX25_PAD_LD1__LD1,
MX25_PAD_LD2__LD2,
MX25_PAD_LD3__LD3,
MX25_PAD_LD4__LD4,
MX25_PAD_LD5__LD5,
MX25_PAD_LD6__LD6,
MX25_PAD_LD7__LD7,
MX25_PAD_LD8__LD8,
MX25_PAD_LD9__LD9,
MX25_PAD_LD10__LD10,
MX25_PAD_LD11__LD11,
MX25_PAD_LD12__LD12,
MX25_PAD_LD13__LD13,
MX25_PAD_LD14__LD14,
MX25_PAD_LD15__LD15,
MX25_PAD_GPIO_E__LD16,
MX25_PAD_GPIO_F__LD17,
MX25_PAD_HSYNC__HSYNC,
MX25_PAD_VSYNC__VSYNC,
MX25_PAD_LSCLK__LSCLK,
MX25_PAD_OE_ACD__OE_ACD,
MX25_PAD_CONTRAST__CONTRAST,
/* LCD_PWR */
MX25_PAD_PWM__GPIO_1_26,
/* LED */
MX25_PAD_POWER_FAIL__GPIO_3_19,
/* SWITCH */
MX25_PAD_VSTBY_ACK__GPIO_3_18,
/* UART2 */
MX25_PAD_UART2_RTS__UART2_RTS,
MX25_PAD_UART2_CTS__UART2_CTS,
MX25_PAD_UART2_TXD__UART2_TXD,
MX25_PAD_UART2_RXD__UART2_RXD,
/* SD1 */
MX25_PAD_SD1_CMD__SD1_CMD,
MX25_PAD_SD1_CLK__SD1_CLK,
MX25_PAD_SD1_DATA0__SD1_DATA0,
MX25_PAD_SD1_DATA1__SD1_DATA1,
MX25_PAD_SD1_DATA2__SD1_DATA2,
MX25_PAD_SD1_DATA3__SD1_DATA3,
/* SD1 CD */
MX25_PAD_DE_B__GPIO_2_20,
/* I2S */
MX25_PAD_KPP_COL3__AUD5_TXFS,
MX25_PAD_KPP_COL2__AUD5_TXC,
MX25_PAD_KPP_COL1__AUD5_RXD,
MX25_PAD_KPP_COL0__AUD5_TXD,
/* CAN */
MX25_PAD_GPIO_D__CAN2_RX,
MX25_PAD_GPIO_C__CAN2_TX,
/* SPI1 */
MX25_PAD_CSPI1_MOSI__CSPI1_MOSI,
MX25_PAD_CSPI1_MISO__CSPI1_MISO,
MX25_PAD_CSPI1_SS0__GPIO_1_16,
MX25_PAD_CSPI1_SS1__GPIO_1_17,
MX25_PAD_CSPI1_SCLK__CSPI1_SCLK,
MX25_PAD_CSPI1_RDY__GPIO_2_22,
};
#define GPIO_LED1 IMX_GPIO_NR(3, 19)
#define GPIO_SWITCH1 IMX_GPIO_NR(3, 18)
#define GPIO_SD1CD IMX_GPIO_NR(2, 20)
#define GPIO_LCDPWR IMX_GPIO_NR(1, 26)
#define GPIO_SPI1_SS0 IMX_GPIO_NR(1, 16)
#define GPIO_SPI1_SS1 IMX_GPIO_NR(1, 17)
#define GPIO_SPI1_IRQ IMX_GPIO_NR(2, 22)
static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
{
.mode = {
.name = "CMO-QVGA",
.refresh = 60,
.xres = 320,
.yres = 240,
.pixclock = KHZ2PICOS(6500),
.left_margin = 30,
.right_margin = 38,
.upper_margin = 20,
.lower_margin = 3,
.hsync_len = 15,
.vsync_len = 4,
},
.bpp = 16,
.pcr = 0xCAD08B80,
}, {
.mode = {
.name = "DVI-VGA",
.refresh = 60,
.xres = 640,
.yres = 480,
.pixclock = 32000,
.hsync_len = 7,
.left_margin = 100,
.right_margin = 100,
.vsync_len = 7,
.upper_margin = 7,
.lower_margin = 100,
},
.pcr = 0xFA208B80,
.bpp = 16,
}, {
.mode = {
.name = "DVI-SVGA",
.refresh = 60,
.xres = 800,
.yres = 600,
.pixclock = 25000,
.hsync_len = 7,
.left_margin = 75,
.right_margin = 75,
.vsync_len = 7,
.upper_margin = 7,
.lower_margin = 75,
},
.pcr = 0xFA208B80,
.bpp = 16,
},
};
static const struct imx_fb_platform_data eukrea_mximxsd_fb_pdata __initconst = {
.mode = eukrea_mximxsd_modes,
.num_modes = ARRAY_SIZE(eukrea_mximxsd_modes),
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00040060,
};
static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
unsigned int power)
{
if (power)
gpio_direction_output(GPIO_LCDPWR, 1);
else
gpio_direction_output(GPIO_LCDPWR, 0);
}
static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
.set_power = eukrea_mbimxsd_lcd_power_set,
};
static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
.name = "platform-lcd",
.dev.platform_data = &eukrea_mbimxsd_lcd_power_data,
};
static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = {
{
.name = "led1",
.default_trigger = "heartbeat",
.active_low = 1,
.gpio = GPIO_LED1,
},
};
static const struct gpio_led_platform_data
eukrea_mbimxsd_led_info __initconst = {
.leds = eukrea_mbimxsd_leds,
.num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
};
static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
{
.gpio = GPIO_SWITCH1,
.code = BTN_0,
.desc = "BP1",
.active_low = 1,
.wakeup = 1,
},
};
static const struct gpio_keys_platform_data
eukrea_mbimxsd_button_data __initconst = {
.buttons = eukrea_mbimxsd_gpio_buttons,
.nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
};
static struct platform_device *platform_devices[] __initdata = {
&eukrea_mbimxsd_lcd_powerdev,
};
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
{
I2C_BOARD_INFO("tlv320aic23", 0x1a),
},
};
static const
struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
.flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
};
static struct esdhc_platform_data sd1_pdata = {
.cd_gpio = GPIO_SD1CD,
.cd_type = ESDHC_CD_GPIO,
.wp_type = ESDHC_WP_NONE,
};
static struct spi_board_info eukrea_mbimxsd25_spi_board_info[] __initdata = {
{
.modalias = "spidev",
.max_speed_hz = 20000000,
.bus_num = 0,
.chip_select = 0,
.mode = SPI_MODE_0,
},
{
.modalias = "spidev",
.max_speed_hz = 20000000,
.bus_num = 0,
.chip_select = 1,
.mode = SPI_MODE_0,
},
};
static int eukrea_mbimxsd25_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1};
static const struct spi_imx_master eukrea_mbimxsd25_spi0_data __initconst = {
.chipselect = eukrea_mbimxsd25_spi_cs,
.num_chipselect = ARRAY_SIZE(eukrea_mbimxsd25_spi_cs),
};
/*
* system init for baseboard usage. Will be called by cpuimx25 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_mbimxsd25_baseboard_init(void)
{
if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
ARRAY_SIZE(eukrea_mbimxsd_pads)))
printk(KERN_ERR "error setting mbimxsd pads !\n");
imx25_add_imx_uart1(&uart_pdata);
imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata);
imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
imx25_add_flexcan1(NULL);
imx25_add_sdhci_esdhc_imx(0, &sd1_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_LCDPWR, "LCDPWR");
gpio_direction_output(GPIO_LCDPWR, 1);
i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
gpio_request(GPIO_SPI1_IRQ, "SPI1_IRQ");
gpio_direction_input(GPIO_SPI1_IRQ);
gpio_free(GPIO_SPI1_IRQ);
imx25_add_spi_imx0(&eukrea_mbimxsd25_spi0_data);
spi_register_board_info(eukrea_mbimxsd25_spi_board_info,
ARRAY_SIZE(eukrea_mbimxsd25_spi_board_info));
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
}
