493 lines
12 KiB
C
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
|