mirror of
https://github.com/adulau/aha.git
synced 2024-12-29 12:16:20 +00:00
50f349e9fc
The chip is actually located on the module, not on the base board. But other base boards might add more SPI devices, so the spi_board_info struct must be separated from the module code. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
235 lines
5.7 KiB
C
235 lines
5.7 KiB
C
/*
|
|
* LILLY-1131 development board support
|
|
*
|
|
* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
|
|
*
|
|
* based on code for other MX31 boards,
|
|
*
|
|
* Copyright 2005-2007 Freescale Semiconductor
|
|
* Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
|
|
* Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/mfd/mc13783.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/common.h>
|
|
#include <mach/imx-uart.h>
|
|
#include <mach/iomux-mx3.h>
|
|
#include <mach/board-mx31lilly.h>
|
|
#include <mach/mmc.h>
|
|
#include <mach/mx3fb.h>
|
|
#include <mach/ipu.h>
|
|
|
|
#include "devices.h"
|
|
|
|
/*
|
|
* This file contains board-specific initialization routines for the
|
|
* LILLY-1131 development board. If you design an own baseboard for the
|
|
* module, use this file as base for support code.
|
|
*/
|
|
|
|
static unsigned int lilly_db_board_pins[] __initdata = {
|
|
MX31_PIN_CTS1__CTS1,
|
|
MX31_PIN_RTS1__RTS1,
|
|
MX31_PIN_TXD1__TXD1,
|
|
MX31_PIN_RXD1__RXD1,
|
|
MX31_PIN_CTS2__CTS2,
|
|
MX31_PIN_RTS2__RTS2,
|
|
MX31_PIN_TXD2__TXD2,
|
|
MX31_PIN_RXD2__RXD2,
|
|
MX31_PIN_CSPI3_MOSI__RXD3,
|
|
MX31_PIN_CSPI3_MISO__TXD3,
|
|
MX31_PIN_CSPI3_SCLK__RTS3,
|
|
MX31_PIN_CSPI3_SPI_RDY__CTS3,
|
|
MX31_PIN_SD1_DATA3__SD1_DATA3,
|
|
MX31_PIN_SD1_DATA2__SD1_DATA2,
|
|
MX31_PIN_SD1_DATA1__SD1_DATA1,
|
|
MX31_PIN_SD1_DATA0__SD1_DATA0,
|
|
MX31_PIN_SD1_CLK__SD1_CLK,
|
|
MX31_PIN_SD1_CMD__SD1_CMD,
|
|
MX31_PIN_LD0__LD0,
|
|
MX31_PIN_LD1__LD1,
|
|
MX31_PIN_LD2__LD2,
|
|
MX31_PIN_LD3__LD3,
|
|
MX31_PIN_LD4__LD4,
|
|
MX31_PIN_LD5__LD5,
|
|
MX31_PIN_LD6__LD6,
|
|
MX31_PIN_LD7__LD7,
|
|
MX31_PIN_LD8__LD8,
|
|
MX31_PIN_LD9__LD9,
|
|
MX31_PIN_LD10__LD10,
|
|
MX31_PIN_LD11__LD11,
|
|
MX31_PIN_LD12__LD12,
|
|
MX31_PIN_LD13__LD13,
|
|
MX31_PIN_LD14__LD14,
|
|
MX31_PIN_LD15__LD15,
|
|
MX31_PIN_LD16__LD16,
|
|
MX31_PIN_LD17__LD17,
|
|
MX31_PIN_VSYNC3__VSYNC3,
|
|
MX31_PIN_HSYNC__HSYNC,
|
|
MX31_PIN_FPSHIFT__FPSHIFT,
|
|
MX31_PIN_DRDY0__DRDY0,
|
|
MX31_PIN_CONTRAST__CONTRAST,
|
|
};
|
|
|
|
/* UART */
|
|
static struct imxuart_platform_data uart_pdata __initdata = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
/* MMC support */
|
|
|
|
static int mxc_mmc1_get_ro(struct device *dev)
|
|
{
|
|
return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
|
|
}
|
|
|
|
static int gpio_det, gpio_wp;
|
|
|
|
static int mxc_mmc1_init(struct device *dev,
|
|
irq_handler_t detect_irq, void *data)
|
|
{
|
|
int ret;
|
|
|
|
gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
|
|
gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);
|
|
|
|
ret = gpio_request(gpio_det, "MMC detect");
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = gpio_request(gpio_wp, "MMC w/p");
|
|
if (ret)
|
|
goto exit_free_det;
|
|
|
|
gpio_direction_input(gpio_det);
|
|
gpio_direction_input(gpio_wp);
|
|
|
|
ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), detect_irq,
|
|
IRQF_DISABLED | IRQF_TRIGGER_FALLING,
|
|
"MMC detect", data);
|
|
if (ret)
|
|
goto exit_free_wp;
|
|
|
|
return 0;
|
|
|
|
exit_free_wp:
|
|
gpio_free(gpio_wp);
|
|
|
|
exit_free_det:
|
|
gpio_free(gpio_det);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void mxc_mmc1_exit(struct device *dev, void *data)
|
|
{
|
|
gpio_free(gpio_det);
|
|
gpio_free(gpio_wp);
|
|
free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), data);
|
|
}
|
|
|
|
static struct imxmmc_platform_data mmc_pdata = {
|
|
.get_ro = mxc_mmc1_get_ro,
|
|
.init = mxc_mmc1_init,
|
|
.exit = mxc_mmc1_exit,
|
|
};
|
|
|
|
/* Framebuffer support */
|
|
static struct ipu_platform_data ipu_data __initdata = {
|
|
.irq_base = MXC_IPU_IRQ_START,
|
|
};
|
|
|
|
static const struct fb_videomode fb_modedb = {
|
|
/* 640x480 TFT panel (IPS-056T) */
|
|
.name = "CRT-VGA",
|
|
.refresh = 64,
|
|
.xres = 640,
|
|
.yres = 480,
|
|
.pixclock = 30000,
|
|
.left_margin = 200,
|
|
.right_margin = 2,
|
|
.upper_margin = 2,
|
|
.lower_margin = 2,
|
|
.hsync_len = 3,
|
|
.vsync_len = 1,
|
|
.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
.flag = 0,
|
|
};
|
|
|
|
static struct mx3fb_platform_data fb_pdata __initdata = {
|
|
.dma_dev = &mx3_ipu.dev,
|
|
.name = "CRT-VGA",
|
|
.mode = &fb_modedb,
|
|
.num_modes = 1,
|
|
};
|
|
|
|
#define LCD_VCC_EN_GPIO (7)
|
|
|
|
static void __init mx31lilly_init_fb(void)
|
|
{
|
|
if (gpio_request(LCD_VCC_EN_GPIO, "LCD enable") != 0) {
|
|
printk(KERN_WARNING "unable to request LCD_VCC_EN pin.\n");
|
|
return;
|
|
}
|
|
|
|
mxc_register_device(&mx3_ipu, &ipu_data);
|
|
mxc_register_device(&mx3_fb, &fb_pdata);
|
|
gpio_direction_output(LCD_VCC_EN_GPIO, 1);
|
|
}
|
|
|
|
/* SPI */
|
|
|
|
static struct mc13783_platform_data mc13783_pdata __initdata = {
|
|
.flags = MC13783_USE_RTC | MC13783_USE_TOUCHSCREEN,
|
|
};
|
|
|
|
static struct spi_board_info lilly_spi_devs[] __initdata = {
|
|
{
|
|
.modalias = "mc13783",
|
|
.max_speed_hz = 1000000,
|
|
.bus_num = 1,
|
|
.chip_select = 0,
|
|
.platform_data = &mc13783_pdata,
|
|
},
|
|
};
|
|
|
|
void __init mx31lilly_db_init(void)
|
|
{
|
|
mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
|
|
ARRAY_SIZE(lilly_db_board_pins),
|
|
"development board pins");
|
|
mxc_register_device(&mxc_uart_device0, &uart_pdata);
|
|
mxc_register_device(&mxc_uart_device1, &uart_pdata);
|
|
mxc_register_device(&mxc_uart_device2, &uart_pdata);
|
|
mxc_register_device(&mxcsdhc_device0, &mmc_pdata);
|
|
mx31lilly_init_fb();
|
|
spi_register_board_info(lilly_spi_devs, ARRAY_SIZE(lilly_spi_devs));
|
|
}
|
|
|