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linux-next/arch/arm/mach-imx/mach-imx27_visstrim_m10.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

493 lines
12 KiB
C

/*
* mach-imx27_visstrim_m10.c
*
* Copyright 2010 Javier Martin <javier.martin@vista-silicon.com>
*
* Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
*
* 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
#include <linux/i2c/pca953x.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/leds.h>
#include <linux/memblock.h>
#include <media/soc_camera.h>
#include <sound/tlv320aic32x4.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/system_info.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx27.h>
#include "devices-imx27.h"
#define TVP5150_RSTN (GPIO_PORTC + 18)
#define TVP5150_PWDN (GPIO_PORTC + 19)
#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
#define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
#define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
#define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
#define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
#define EXPBOARD_BIT2 (GPIO_PORTD + 25)
#define EXPBOARD_BIT1 (GPIO_PORTD + 27)
#define EXPBOARD_BIT0 (GPIO_PORTD + 28)
static const int visstrim_m10_pins[] __initconst = {
/* UART1 (console) */
PE12_PF_UART1_TXD,
PE13_PF_UART1_RXD,
PE14_PF_UART1_CTS,
PE15_PF_UART1_RTS,
/* FEC */
PD0_AIN_FEC_TXD0,
PD1_AIN_FEC_TXD1,
PD2_AIN_FEC_TXD2,
PD3_AIN_FEC_TXD3,
PD4_AOUT_FEC_RX_ER,
PD5_AOUT_FEC_RXD1,
PD6_AOUT_FEC_RXD2,
PD7_AOUT_FEC_RXD3,
PD8_AF_FEC_MDIO,
PD9_AIN_FEC_MDC,
PD10_AOUT_FEC_CRS,
PD11_AOUT_FEC_TX_CLK,
PD12_AOUT_FEC_RXD0,
PD13_AOUT_FEC_RX_DV,
PD14_AOUT_FEC_RX_CLK,
PD15_AOUT_FEC_COL,
PD16_AIN_FEC_TX_ER,
PF23_AIN_FEC_TX_EN,
/* SSI1 */
PC20_PF_SSI1_FS,
PC21_PF_SSI1_RXD,
PC22_PF_SSI1_TXD,
PC23_PF_SSI1_CLK,
/* SDHC1 */
PE18_PF_SD1_D0,
PE19_PF_SD1_D1,
PE20_PF_SD1_D2,
PE21_PF_SD1_D3,
PE22_PF_SD1_CMD,
PE23_PF_SD1_CLK,
/* Both I2Cs */
PD17_PF_I2C_DATA,
PD18_PF_I2C_CLK,
PC5_PF_I2C2_SDA,
PC6_PF_I2C2_SCL,
/* USB OTG */
OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
PC9_PF_USBOTG_DATA0,
PC11_PF_USBOTG_DATA1,
PC10_PF_USBOTG_DATA2,
PC13_PF_USBOTG_DATA3,
PC12_PF_USBOTG_DATA4,
PC7_PF_USBOTG_DATA5,
PC8_PF_USBOTG_DATA6,
PE25_PF_USBOTG_DATA7,
PE24_PF_USBOTG_CLK,
PE2_PF_USBOTG_DIR,
PE0_PF_USBOTG_NXT,
PE1_PF_USBOTG_STP,
PB23_PF_USB_PWR,
PB24_PF_USB_OC,
/* CSI */
TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
PB10_PF_CSI_D0,
PB11_PF_CSI_D1,
PB12_PF_CSI_D2,
PB13_PF_CSI_D3,
PB14_PF_CSI_D4,
PB15_PF_CSI_MCLK,
PB16_PF_CSI_PIXCLK,
PB17_PF_CSI_D5,
PB18_PF_CSI_D6,
PB19_PF_CSI_D7,
PB20_PF_CSI_VSYNC,
PB21_PF_CSI_HSYNC,
/* mother board version */
MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
/* expansion board version */
EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
};
static struct gpio visstrim_m10_version_gpios[] = {
{ EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
{ EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
{ EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
{ MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
{ MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
{ MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
};
static const struct gpio visstrim_m10_gpios[] __initconst = {
{
.gpio = TVP5150_RSTN,
.flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
.label = "tvp5150_rstn",
},
{
.gpio = TVP5150_PWDN,
.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
.label = "tvp5150_pwdn",
},
{
.gpio = OTG_PHY_CS_GPIO,
.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
.label = "usbotg_cs",
},
};
/* Camera */
static int visstrim_camera_power(struct device *dev, int on)
{
gpio_set_value(TVP5150_PWDN, on);
return 0;
};
static int visstrim_camera_reset(struct device *dev)
{
gpio_set_value(TVP5150_RSTN, 0);
ndelay(500);
gpio_set_value(TVP5150_RSTN, 1);
return 0;
};
static struct i2c_board_info visstrim_i2c_camera = {
I2C_BOARD_INFO("tvp5150", 0x5d),
};
static struct soc_camera_link iclink_tvp5150 = {
.bus_id = 0,
.board_info = &visstrim_i2c_camera,
.i2c_adapter_id = 0,
.power = visstrim_camera_power,
.reset = visstrim_camera_reset,
};
static struct mx2_camera_platform_data visstrim_camera = {
.flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
MX2_CAMERA_PCLK_SAMPLE_RISING,
.clk = 100000,
};
static phys_addr_t mx2_camera_base __initdata;
#define MX2_CAMERA_BUF_SIZE SZ_8M
static void __init visstrim_camera_init(void)
{
struct platform_device *pdev;
int dma;
gpio_set_value(TVP5150_PWDN, 1);
ndelay(1);
gpio_set_value(TVP5150_RSTN, 0);
ndelay(500);
gpio_set_value(TVP5150_RSTN, 1);
ndelay(200000);
pdev = imx27_add_mx2_camera(&visstrim_camera);
if (IS_ERR(pdev))
return;
dma = dma_declare_coherent_memory(&pdev->dev,
mx2_camera_base, mx2_camera_base,
MX2_CAMERA_BUF_SIZE,
DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
if (!(dma & DMA_MEMORY_MAP))
return;
}
static void __init visstrim_reserve(void)
{
/* reserve 4 MiB for mx2-camera */
mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
MX2_CAMERA_BUF_SIZE);
memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
}
/* GPIOs used as events for applications */
static struct gpio_keys_button visstrim_gpio_keys[] = {
{
.type = EV_KEY,
.code = KEY_RESTART,
.gpio = (GPIO_PORTC + 15),
.desc = "Default config",
.active_low = 0,
.wakeup = 1,
},
{
.type = EV_KEY,
.code = KEY_RECORD,
.gpio = (GPIO_PORTF + 14),
.desc = "Record",
.active_low = 0,
.wakeup = 1,
},
{
.type = EV_KEY,
.code = KEY_STOP,
.gpio = (GPIO_PORTF + 13),
.desc = "Stop",
.active_low = 0,
.wakeup = 1,
}
};
static const struct gpio_keys_platform_data
visstrim_gpio_keys_platform_data __initconst = {
.buttons = visstrim_gpio_keys,
.nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
};
/* led */
static const struct gpio_led visstrim_m10_leds[] __initconst = {
{
.name = "visstrim:ld0",
.default_trigger = "nand-disk",
.gpio = (GPIO_PORTC + 29),
},
{
.name = "visstrim:ld1",
.default_trigger = "nand-disk",
.gpio = (GPIO_PORTC + 24),
},
{
.name = "visstrim:ld2",
.default_trigger = "nand-disk",
.gpio = (GPIO_PORTC + 28),
},
{
.name = "visstrim:ld3",
.default_trigger = "nand-disk",
.gpio = (GPIO_PORTC + 25),
},
};
static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
.leds = visstrim_m10_leds,
.num_leds = ARRAY_SIZE(visstrim_m10_leds),
};
/* Visstrim_SM10 has a microSD slot connected to sdhc1 */
static int visstrim_m10_sdhc1_init(struct device *dev,
irq_handler_t detect_irq, void *data)
{
int ret;
ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
IRQF_TRIGGER_FALLING, "mmc-detect", data);
return ret;
}
static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
{
free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
}
static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
.init = visstrim_m10_sdhc1_init,
.exit = visstrim_m10_sdhc1_exit,
};
/* Visstrim_SM10 NOR flash */
static struct physmap_flash_data visstrim_m10_flash_data = {
.width = 2,
};
static struct resource visstrim_m10_flash_resource = {
.start = 0xc0000000,
.end = 0xc0000000 + SZ_64M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device visstrim_m10_nor_mtd_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &visstrim_m10_flash_data,
},
.num_resources = 1,
.resource = &visstrim_m10_flash_resource,
};
static struct platform_device *platform_devices[] __initdata = {
&visstrim_m10_nor_mtd_device,
};
/* Visstrim_M10 uses UART0 as console */
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
/* I2C */
static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
.bitrate = 100000,
};
static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
.gpio_base = 240, /* After MX27 internal GPIOs */
.invert = 0,
};
static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
.power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
AIC32X4_PWR_AIC32X4_LDO_ENABLE |
AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
.micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
.swapdacs = false,
};
static struct i2c_board_info visstrim_m10_i2c_devices[] = {
{
I2C_BOARD_INFO("pca9555", 0x20),
.platform_data = &visstrim_m10_pca9555_pdata,
},
{
I2C_BOARD_INFO("tlv320aic32x4", 0x18),
.platform_data = &visstrim_m10_aic32x4_pdata,
},
{
I2C_BOARD_INFO("m41t00", 0x68),
}
};
/* USB OTG */
static int otg_phy_init(struct platform_device *pdev)
{
return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
}
static const struct mxc_usbh_platform_data
visstrim_m10_usbotg_pdata __initconst = {
.init = otg_phy_init,
.portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
};
/* SSI */
static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
.flags = IMX_SSI_DMA | IMX_SSI_SYN,
};
static void __init visstrim_m10_revision(void)
{
int exp_version = 0;
int mo_version = 0;
int ret;
ret = gpio_request_array(visstrim_m10_version_gpios,
ARRAY_SIZE(visstrim_m10_version_gpios));
if (ret) {
pr_err("Failed to request version gpios");
return;
}
/* Get expansion board version (negative logic) */
exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
exp_version |= !gpio_get_value(EXPBOARD_BIT0);
/* Get mother board version (negative logic) */
mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
system_rev = 0x27000;
system_rev |= (mo_version << 4);
system_rev |= exp_version;
}
static void __init visstrim_m10_board_init(void)
{
int ret;
imx27_soc_init();
visstrim_m10_revision();
ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
if (ret)
pr_err("Failed to setup pins (%d)\n", ret);
ret = gpio_request_array(visstrim_m10_gpios,
ARRAY_SIZE(visstrim_m10_gpios));
if (ret)
pr_err("Failed to request gpios (%d)\n", ret);
imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
imx27_add_imx_uart0(&uart_pdata);
imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
i2c_register_board_info(0, visstrim_m10_i2c_devices,
ARRAY_SIZE(visstrim_m10_i2c_devices));
imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
imx27_add_fec(NULL);
imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx_add_platform_device("mx27vis", 0, NULL, 0, NULL, 0);
platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
&iclink_tvp5150, sizeof(iclink_tvp5150));
gpio_led_register_device(0, &visstrim_m10_led_data);
visstrim_camera_init();
}
static void __init visstrim_m10_timer_init(void)
{
mx27_clocks_init((unsigned long)25000000);
}
static struct sys_timer visstrim_m10_timer = {
.init = visstrim_m10_timer_init,
};
MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
.atag_offset = 0x100,
.reserve = visstrim_reserve,
.map_io = mx27_map_io,
.init_early = imx27_init_early,
.init_irq = mx27_init_irq,
.handle_irq = imx27_handle_irq,
.timer = &visstrim_m10_timer,
.init_machine = visstrim_m10_board_init,
.restart = mxc_restart,
MACHINE_END