linux/arch/arm/mach-imx/mach-cpuimx35.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.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIVAwUAUA2dgGCrR//JCVInAQJOJRAA4xWh3CUqpuJ13yk2tOBcGU9+orer93fP
 U3DAG6jJ75blQzfA9wBoWPjqFhJo76ZtLFA9comkGI4vH8nTNNbXr1ZNt2/PjOGS
 PqZIYJk/f5QqOzCd10V5bK4EVFR/mjvQ8sBP8qfaHII0GVPomfa8jnXnFnLFjreX
 hhucTCf4z2HBvIjfOiilPtJbFpdrQ9oquM4W4Go1lrMZMU8B+Z3ClqytoxYW2Bw3
 uQ0EzFlAwaXZ1CMcDn4eQJxNt8dO4SbGI7AHd3HmW3tFaaJC9dpey/7pIoW3gyz8
 2e3wrdHXCAYq3sUlwzIrROCcBfW502E+KUmDi8ePT7zgZmxAmrqRCTNEqwaaGYrS
 Q/mk+Kpnjvtl6w21ss1LxNHP18TNL/f8isYW9vUQG8yogWlVin6NhPvNQXDDBWoD
 lfAyeL5JSoVxVGxft8EhLI/inPKBnWe2heE+zrRGQzUhTuUSyspmwK6o3b7JYNTX
 16fY6OhW90CaZm6r1yKZsiE96Dd63oL4OVFELsgPQdsBNdWeKmOjs6fq46Bp0Hdf
 SAQ543yabPkDr4ZanaNqo0s3Vu2xVnvBS4FR0gbx6+LGuagkmBpSkYnlhgNJBbdK
 6D5GCRoX0ayzJvg29kKzek2h8NhGtDco4dr7K5Hl9NebeZ++CjZ7xTbFQN6olt+D
 8CcIdD2J0PY=
 =Y2Sm
 -----END PGP SIGNATURE-----

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

212 lines
5.6 KiB
C

/*
* Copyright (C) 2010 Eric Benard - eric@eukrea.com
* Copyright (C) 2009 Sascha Hauer, Pengutronix
*
* 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/types.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/memory.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/i2c/tsc2007.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/i2c-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/eukrea-baseboards.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx35.h>
#include "devices-imx35.h"
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static const struct imxi2c_platform_data
eukrea_cpuimx35_i2c0_data __initconst = {
.bitrate = 100000,
};
#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2)
static int tsc2007_get_pendown_state(void)
{
return !gpio_get_value(TSC2007_IRQGPIO);
}
static struct tsc2007_platform_data tsc2007_info = {
.model = 2007,
.x_plate_ohms = 180,
.get_pendown_state = tsc2007_get_pendown_state,
};
static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
{
I2C_BOARD_INFO("pcf8563", 0x51),
}, {
I2C_BOARD_INFO("tsc2007", 0x48),
.platform_data = &tsc2007_info,
/* irq number is run-time assigned */
},
};
static iomux_v3_cfg_t eukrea_cpuimx35_pads[] = {
/* UART1 */
MX35_PAD_CTS1__UART1_CTS,
MX35_PAD_RTS1__UART1_RTS,
MX35_PAD_TXD1__UART1_TXD_MUX,
MX35_PAD_RXD1__UART1_RXD_MUX,
/* FEC */
MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
MX35_PAD_FEC_RX_DV__FEC_RX_DV,
MX35_PAD_FEC_COL__FEC_COL,
MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
MX35_PAD_FEC_TX_EN__FEC_TX_EN,
MX35_PAD_FEC_MDC__FEC_MDC,
MX35_PAD_FEC_MDIO__FEC_MDIO,
MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
MX35_PAD_FEC_CRS__FEC_CRS,
MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
/* I2C1 */
MX35_PAD_I2C1_CLK__I2C1_SCL,
MX35_PAD_I2C1_DAT__I2C1_SDA,
/* TSC2007 IRQ */
MX35_PAD_ATA_DA2__GPIO3_2,
};
static const struct mxc_nand_platform_data
eukrea_cpuimx35_nand_board_info __initconst = {
.width = 1,
.hw_ecc = 1,
.flash_bbt = 1,
};
static int eukrea_cpuimx35_otg_init(struct platform_device *pdev)
{
return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
}
static const struct mxc_usbh_platform_data otg_pdata __initconst = {
.init = eukrea_cpuimx35_otg_init,
.portsc = MXC_EHCI_MODE_UTMI,
};
static int eukrea_cpuimx35_usbh1_init(struct platform_device *pdev)
{
return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
}
static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
.init = eukrea_cpuimx35_usbh1_init,
.portsc = MXC_EHCI_MODE_SERIAL,
};
static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI,
.workaround = FLS_USB2_WORKAROUND_ENGCM09152,
};
static bool otg_mode_host __initdata;
static int __init eukrea_cpuimx35_otg_mode(char *options)
{
if (!strcmp(options, "host"))
otg_mode_host = true;
else if (!strcmp(options, "device"))
otg_mode_host = false;
else
pr_info("otg_mode neither \"host\" nor \"device\". "
"Defaulting to device\n");
return 1;
}
__setup("otg_mode=", eukrea_cpuimx35_otg_mode);
/*
* Board specific initialization.
*/
static void __init eukrea_cpuimx35_init(void)
{
imx35_soc_init();
mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
ARRAY_SIZE(eukrea_cpuimx35_pads));
imx35_add_fec(NULL);
imx35_add_imx2_wdt();
imx35_add_imx_uart0(&uart_pdata);
imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info);
eukrea_cpuimx35_i2c_devices[1].irq = gpio_to_irq(TSC2007_IRQGPIO);
i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices,
ARRAY_SIZE(eukrea_cpuimx35_i2c_devices));
imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data);
if (otg_mode_host)
imx35_add_mxc_ehci_otg(&otg_pdata);
else
imx35_add_fsl_usb2_udc(&otg_device_pdata);
imx35_add_mxc_ehci_hs(&usbh1_pdata);
#ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD
eukrea_mbimxsd35_baseboard_init();
#endif
}
static void __init eukrea_cpuimx35_timer_init(void)
{
mx35_clocks_init();
}
static struct sys_timer eukrea_cpuimx35_timer = {
.init = eukrea_cpuimx35_timer_init,
};
MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35")
/* Maintainer: Eukrea Electromatique */
.atag_offset = 0x100,
.map_io = mx35_map_io,
.init_early = imx35_init_early,
.init_irq = mx35_init_irq,
.handle_irq = imx35_handle_irq,
.timer = &eukrea_cpuimx35_timer,
.init_machine = eukrea_cpuimx35_init,
.restart = mxc_restart,
MACHINE_END