linux/arch/arm/mach-imx/mach-mx51_3ds.c
Linus Torvalds 3645f0cd96 arm-soc: sparse IRQ conversion
The I.MX platform is getting converted to use sparse IRQs. We are doing
 this for all platforms over time, because this is one of the
 requirements for building a multiplatform kernel, and generally a good
 idea.
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Merge tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc sparse IRQ conversion from Arnd Bergmann:
 "The I.MX platform is getting converted to use sparse IRQs.  We are
  doing this for all platforms over time, because this is one of the
  requirements for building a multiplatform kernel, and generally a good
  idea."

* tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx: select USE_OF
  ARM: imx: Fix build error due to missing irqs.h include
  ARM: imx: enable SPARSE_IRQ for imx platform
  ARM: fiq: change FIQ_START to a variable
  tty: serial: imx: remove the use of MXC_INTERNAL_IRQS
  ARM: imx: remove unneeded mach/irq.h inclusion
  i2c: imx: remove unneeded mach/irqs.h inclusion
  ARM: imx: add a legacy irqdomain for mx31ads
  ARM: imx: add a legacy irqdomain for 3ds_debugboard
  ARM: imx: pass gpio than irq number into mxc_expio_init
  ARM: imx: leave irq_base of wm8350_platform_data uninitialized
  dma: ipu: remove the use of ipu_platform_data
  ARM: imx: move irq_domain_add_legacy call into avic driver
  ARM: imx: move irq_domain_add_legacy call into tzic driver
  gpio/mxc: move irq_domain_add_legacy call into gpio driver
  ARM: imx: eliminate macro IRQ_GPIOx()
  ARM: imx: eliminate macro IOMUX_TO_IRQ()
  ARM: imx: eliminate macro IMX_GPIO_TO_IRQ()
2012-07-23 17:36:02 -07:00

179 lines
4.2 KiB
C

/*
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx51.h>
#include <mach/3ds_debugboard.h>
#include "devices-imx51.h"
#define MX51_3DS_ECSPI2_CS (GPIO_PORTC + 28)
static iomux_v3_cfg_t mx51_3ds_pads[] = {
/* UART1 */
MX51_PAD_UART1_RXD__UART1_RXD,
MX51_PAD_UART1_TXD__UART1_TXD,
MX51_PAD_UART1_RTS__UART1_RTS,
MX51_PAD_UART1_CTS__UART1_CTS,
/* UART2 */
MX51_PAD_UART2_RXD__UART2_RXD,
MX51_PAD_UART2_TXD__UART2_TXD,
MX51_PAD_EIM_D25__UART2_CTS,
MX51_PAD_EIM_D26__UART2_RTS,
/* UART3 */
MX51_PAD_UART3_RXD__UART3_RXD,
MX51_PAD_UART3_TXD__UART3_TXD,
MX51_PAD_EIM_D24__UART3_CTS,
MX51_PAD_EIM_D27__UART3_RTS,
/* CPLD PARENT IRQ PIN */
MX51_PAD_GPIO1_6__GPIO1_6,
/* KPP */
MX51_PAD_KEY_ROW0__KEY_ROW0,
MX51_PAD_KEY_ROW1__KEY_ROW1,
MX51_PAD_KEY_ROW2__KEY_ROW2,
MX51_PAD_KEY_ROW3__KEY_ROW3,
MX51_PAD_KEY_COL0__KEY_COL0,
MX51_PAD_KEY_COL1__KEY_COL1,
MX51_PAD_KEY_COL2__KEY_COL2,
MX51_PAD_KEY_COL3__KEY_COL3,
MX51_PAD_KEY_COL4__KEY_COL4,
MX51_PAD_KEY_COL5__KEY_COL5,
/* eCSPI2 */
MX51_PAD_NANDF_RB2__ECSPI2_SCLK,
MX51_PAD_NANDF_RB3__ECSPI2_MISO,
MX51_PAD_NANDF_D15__ECSPI2_MOSI,
MX51_PAD_NANDF_D12__GPIO3_28,
};
/* Serial ports */
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static int mx51_3ds_board_keymap[] = {
KEY(0, 0, KEY_1),
KEY(0, 1, KEY_2),
KEY(0, 2, KEY_3),
KEY(0, 3, KEY_F1),
KEY(0, 4, KEY_UP),
KEY(0, 5, KEY_F2),
KEY(1, 0, KEY_4),
KEY(1, 1, KEY_5),
KEY(1, 2, KEY_6),
KEY(1, 3, KEY_LEFT),
KEY(1, 4, KEY_SELECT),
KEY(1, 5, KEY_RIGHT),
KEY(2, 0, KEY_7),
KEY(2, 1, KEY_8),
KEY(2, 2, KEY_9),
KEY(2, 3, KEY_F3),
KEY(2, 4, KEY_DOWN),
KEY(2, 5, KEY_F4),
KEY(3, 0, KEY_0),
KEY(3, 1, KEY_OK),
KEY(3, 2, KEY_ESC),
KEY(3, 3, KEY_ENTER),
KEY(3, 4, KEY_MENU),
KEY(3, 5, KEY_BACK)
};
static const struct matrix_keymap_data mx51_3ds_map_data __initconst = {
.keymap = mx51_3ds_board_keymap,
.keymap_size = ARRAY_SIZE(mx51_3ds_board_keymap),
};
static int mx51_3ds_spi2_cs[] = {
MXC_SPI_CS(0),
MX51_3DS_ECSPI2_CS,
};
static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst = {
.chipselect = mx51_3ds_spi2_cs,
.num_chipselect = ARRAY_SIZE(mx51_3ds_spi2_cs),
};
static struct spi_board_info mx51_3ds_spi_nor_device[] = {
{
.modalias = "m25p80",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 1,
.chip_select = 1,
.mode = SPI_MODE_0,
.platform_data = NULL,},
};
/*
* Board specific initialization.
*/
static void __init mx51_3ds_init(void)
{
imx51_soc_init();
mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads,
ARRAY_SIZE(mx51_3ds_pads));
imx51_add_imx_uart(0, &uart_pdata);
imx51_add_imx_uart(1, &uart_pdata);
imx51_add_imx_uart(2, &uart_pdata);
imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata);
spi_register_board_info(mx51_3ds_spi_nor_device,
ARRAY_SIZE(mx51_3ds_spi_nor_device));
if (mxc_expio_init(MX51_CS5_BASE_ADDR, IMX_GPIO_NR(1, 6)))
printk(KERN_WARNING "Init of the debugboard failed, all "
"devices on the board are unusable.\n");
imx51_add_sdhci_esdhc_imx(0, NULL);
imx51_add_imx_keypad(&mx51_3ds_map_data);
imx51_add_imx2_wdt(0);
}
static void __init mx51_3ds_timer_init(void)
{
mx51_clocks_init(32768, 24000000, 22579200, 0);
}
static struct sys_timer mx51_3ds_timer = {
.init = mx51_3ds_timer_init,
};
MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board")
/* Maintainer: Freescale Semiconductor, Inc. */
.atag_offset = 0x100,
.map_io = mx51_map_io,
.init_early = imx51_init_early,
.init_irq = mx51_init_irq,
.handle_irq = imx51_handle_irq,
.timer = &mx51_3ds_timer,
.init_machine = mx51_3ds_init,
.init_late = imx51_init_late,
.restart = mxc_restart,
MACHINE_END