![Shawn Guo](/assets/img/avatar_default.png)
It moves a bunch of header files included in hardware.h and itself from mach-imx/include/mach to mach-imx, and updates users to include hardware.h rather than mach/hardware.h. The files in mach-imx/devices will need to include "../hardware.h". Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
433 lines
10 KiB
C
433 lines
10 KiB
C
/*
|
|
* Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
|
|
* Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de)
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c/at24.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/eeprom.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/usb/otg.h>
|
|
#include <linux/usb/ulpi.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/time.h>
|
|
|
|
#include "common.h"
|
|
#include "devices-imx27.h"
|
|
#include "hardware.h"
|
|
#include "iomux-mx27.h"
|
|
#include "ulpi.h"
|
|
|
|
#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23)
|
|
#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24)
|
|
#define SPI1_SS0 (GPIO_PORTD + 28)
|
|
#define SPI1_SS1 (GPIO_PORTD + 27)
|
|
#define SD2_CD (GPIO_PORTC + 29)
|
|
|
|
static const int pca100_pins[] __initconst = {
|
|
/* UART1 */
|
|
PE12_PF_UART1_TXD,
|
|
PE13_PF_UART1_RXD,
|
|
PE14_PF_UART1_CTS,
|
|
PE15_PF_UART1_RTS,
|
|
/* SDHC */
|
|
PB4_PF_SD2_D0,
|
|
PB5_PF_SD2_D1,
|
|
PB6_PF_SD2_D2,
|
|
PB7_PF_SD2_D3,
|
|
PB8_PF_SD2_CMD,
|
|
PB9_PF_SD2_CLK,
|
|
SD2_CD | GPIO_GPIO | GPIO_IN,
|
|
/* 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,
|
|
/* onboard I2C */
|
|
PC5_PF_I2C2_SDA,
|
|
PC6_PF_I2C2_SCL,
|
|
/* external I2C */
|
|
PD17_PF_I2C_DATA,
|
|
PD18_PF_I2C_CLK,
|
|
/* SPI1 */
|
|
PD25_PF_CSPI1_RDY,
|
|
PD29_PF_CSPI1_SCLK,
|
|
PD30_PF_CSPI1_MISO,
|
|
PD31_PF_CSPI1_MOSI,
|
|
/* OTG */
|
|
OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
|
|
PC7_PF_USBOTG_DATA5,
|
|
PC8_PF_USBOTG_DATA6,
|
|
PC9_PF_USBOTG_DATA0,
|
|
PC10_PF_USBOTG_DATA2,
|
|
PC11_PF_USBOTG_DATA1,
|
|
PC12_PF_USBOTG_DATA4,
|
|
PC13_PF_USBOTG_DATA3,
|
|
PE0_PF_USBOTG_NXT,
|
|
PE1_PF_USBOTG_STP,
|
|
PE2_PF_USBOTG_DIR,
|
|
PE24_PF_USBOTG_CLK,
|
|
PE25_PF_USBOTG_DATA7,
|
|
/* USBH2 */
|
|
USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
|
|
PA0_PF_USBH2_CLK,
|
|
PA1_PF_USBH2_DIR,
|
|
PA2_PF_USBH2_DATA7,
|
|
PA3_PF_USBH2_NXT,
|
|
PA4_PF_USBH2_STP,
|
|
PD19_AF_USBH2_DATA4,
|
|
PD20_AF_USBH2_DATA3,
|
|
PD21_AF_USBH2_DATA6,
|
|
PD22_AF_USBH2_DATA0,
|
|
PD23_AF_USBH2_DATA2,
|
|
PD24_AF_USBH2_DATA1,
|
|
PD26_AF_USBH2_DATA5,
|
|
/* display */
|
|
PA5_PF_LSCLK,
|
|
PA6_PF_LD0,
|
|
PA7_PF_LD1,
|
|
PA8_PF_LD2,
|
|
PA9_PF_LD3,
|
|
PA10_PF_LD4,
|
|
PA11_PF_LD5,
|
|
PA12_PF_LD6,
|
|
PA13_PF_LD7,
|
|
PA14_PF_LD8,
|
|
PA15_PF_LD9,
|
|
PA16_PF_LD10,
|
|
PA17_PF_LD11,
|
|
PA18_PF_LD12,
|
|
PA19_PF_LD13,
|
|
PA20_PF_LD14,
|
|
PA21_PF_LD15,
|
|
PA22_PF_LD16,
|
|
PA23_PF_LD17,
|
|
PA26_PF_PS,
|
|
PA28_PF_HSYNC,
|
|
PA29_PF_VSYNC,
|
|
PA31_PF_OE_ACD,
|
|
/* free GPIO */
|
|
GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN, /* GPIO0_IRQ */
|
|
GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN, /* GPIO1_IRQ */
|
|
GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN, /* GPIO2_IRQ */
|
|
};
|
|
|
|
static const struct imxuart_platform_data uart_pdata __initconst = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static const struct mxc_nand_platform_data
|
|
pca100_nand_board_info __initconst = {
|
|
.width = 1,
|
|
.hw_ecc = 1,
|
|
};
|
|
|
|
static const struct imxi2c_platform_data pca100_i2c1_data __initconst = {
|
|
.bitrate = 100000,
|
|
};
|
|
|
|
static struct at24_platform_data board_eeprom = {
|
|
.byte_len = 4096,
|
|
.page_size = 32,
|
|
.flags = AT24_FLAG_ADDR16,
|
|
};
|
|
|
|
static struct i2c_board_info pca100_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
|
|
.platform_data = &board_eeprom,
|
|
}, {
|
|
I2C_BOARD_INFO("pcf8563", 0x51),
|
|
}, {
|
|
I2C_BOARD_INFO("lm75", 0x4a),
|
|
}
|
|
};
|
|
|
|
static struct spi_eeprom at25320 = {
|
|
.name = "at25320an",
|
|
.byte_len = 4096,
|
|
.page_size = 32,
|
|
.flags = EE_ADDR2,
|
|
};
|
|
|
|
static struct spi_board_info pca100_spi_board_info[] __initdata = {
|
|
{
|
|
.modalias = "at25",
|
|
.max_speed_hz = 30000,
|
|
.bus_num = 0,
|
|
.chip_select = 1,
|
|
.platform_data = &at25320,
|
|
},
|
|
};
|
|
|
|
static int pca100_spi_cs[] = {SPI1_SS0, SPI1_SS1};
|
|
|
|
static const struct spi_imx_master pca100_spi0_data __initconst = {
|
|
.chipselect = pca100_spi_cs,
|
|
.num_chipselect = ARRAY_SIZE(pca100_spi_cs),
|
|
};
|
|
|
|
static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
|
|
{
|
|
mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
|
|
gpio_set_value(GPIO_PORTC + 20, 1);
|
|
udelay(2);
|
|
gpio_set_value(GPIO_PORTC + 20, 0);
|
|
mxc_gpio_mode(PC20_PF_SSI1_FS);
|
|
msleep(2);
|
|
}
|
|
|
|
static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
|
|
{
|
|
mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); /* FS */
|
|
gpio_set_value(GPIO_PORTC + 20, 0);
|
|
mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT); /* TX */
|
|
gpio_set_value(GPIO_PORTC + 22, 0);
|
|
mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT); /* reset */
|
|
gpio_set_value(GPIO_PORTC + 28, 0);
|
|
udelay(10);
|
|
gpio_set_value(GPIO_PORTC + 28, 1);
|
|
mxc_gpio_mode(PC20_PF_SSI1_FS);
|
|
mxc_gpio_mode(PC22_PF_SSI1_TXD);
|
|
msleep(2);
|
|
}
|
|
|
|
static const struct imx_ssi_platform_data pca100_ssi_pdata __initconst = {
|
|
.ac97_reset = pca100_ac97_cold_reset,
|
|
.ac97_warm_reset = pca100_ac97_warm_reset,
|
|
.flags = IMX_SSI_USE_AC97,
|
|
};
|
|
|
|
static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
|
|
void *data)
|
|
{
|
|
int ret;
|
|
|
|
ret = request_irq(gpio_to_irq(IMX_GPIO_NR(3, 29)), detect_irq,
|
|
IRQF_DISABLED | IRQF_TRIGGER_FALLING,
|
|
"imx-mmc-detect", data);
|
|
if (ret)
|
|
printk(KERN_ERR
|
|
"pca100: Failed to reuest irq for sd/mmc detection\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void pca100_sdhc2_exit(struct device *dev, void *data)
|
|
{
|
|
free_irq(gpio_to_irq(IMX_GPIO_NR(3, 29)), data);
|
|
}
|
|
|
|
static const struct imxmmc_platform_data sdhc_pdata __initconst = {
|
|
.init = pca100_sdhc2_init,
|
|
.exit = pca100_sdhc2_exit,
|
|
};
|
|
|
|
static int otg_phy_init(struct platform_device *pdev)
|
|
{
|
|
gpio_set_value(OTG_PHY_CS_GPIO, 0);
|
|
|
|
mdelay(10);
|
|
|
|
return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
|
|
}
|
|
|
|
static struct mxc_usbh_platform_data otg_pdata __initdata = {
|
|
.init = otg_phy_init,
|
|
.portsc = MXC_EHCI_MODE_ULPI,
|
|
};
|
|
|
|
static int usbh2_phy_init(struct platform_device *pdev)
|
|
{
|
|
gpio_set_value(USBH2_PHY_CS_GPIO, 0);
|
|
|
|
mdelay(10);
|
|
|
|
return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
|
|
}
|
|
|
|
static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
|
|
.init = usbh2_phy_init,
|
|
.portsc = MXC_EHCI_MODE_ULPI,
|
|
};
|
|
|
|
static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
|
|
.operating_mode = FSL_USB2_DR_DEVICE,
|
|
.phy_mode = FSL_USB2_PHY_ULPI,
|
|
};
|
|
|
|
static bool otg_mode_host __initdata;
|
|
|
|
static int __init pca100_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=", pca100_otg_mode);
|
|
|
|
/* framebuffer info */
|
|
static struct imx_fb_videomode pca100_fb_modes[] = {
|
|
{
|
|
.mode = {
|
|
.name = "EMERGING-ETV570G0DHU",
|
|
.refresh = 60,
|
|
.xres = 640,
|
|
.yres = 480,
|
|
.pixclock = 39722, /* in ps (25.175 MHz) */
|
|
.hsync_len = 30,
|
|
.left_margin = 114,
|
|
.right_margin = 16,
|
|
.vsync_len = 3,
|
|
.upper_margin = 32,
|
|
.lower_margin = 0,
|
|
},
|
|
/*
|
|
* TFT
|
|
* Pixel pol active high
|
|
* HSYNC active low
|
|
* VSYNC active low
|
|
* use HSYNC for ACD count
|
|
* line clock disable while idle
|
|
* always enable line clock even if no data
|
|
*/
|
|
.pcr = 0xf0c08080,
|
|
.bpp = 16,
|
|
},
|
|
};
|
|
|
|
static const struct imx_fb_platform_data pca100_fb_data __initconst = {
|
|
.mode = pca100_fb_modes,
|
|
.num_modes = ARRAY_SIZE(pca100_fb_modes),
|
|
|
|
.pwmr = 0x00A903FF,
|
|
.lscr1 = 0x00120300,
|
|
.dmacr = 0x00020010,
|
|
};
|
|
|
|
static void __init pca100_init(void)
|
|
{
|
|
int ret;
|
|
|
|
imx27_soc_init();
|
|
|
|
ret = mxc_gpio_setup_multiple_pins(pca100_pins,
|
|
ARRAY_SIZE(pca100_pins), "PCA100");
|
|
if (ret)
|
|
printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
|
|
|
|
imx27_add_imx_ssi(0, &pca100_ssi_pdata);
|
|
|
|
imx27_add_imx_uart0(&uart_pdata);
|
|
|
|
imx27_add_mxc_mmc(1, &sdhc_pdata);
|
|
|
|
imx27_add_mxc_nand(&pca100_nand_board_info);
|
|
|
|
/* only the i2c master 1 is used on this CPU card */
|
|
i2c_register_board_info(1, pca100_i2c_devices,
|
|
ARRAY_SIZE(pca100_i2c_devices));
|
|
|
|
imx27_add_imx_i2c(1, &pca100_i2c1_data);
|
|
|
|
mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_IN);
|
|
mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN);
|
|
spi_register_board_info(pca100_spi_board_info,
|
|
ARRAY_SIZE(pca100_spi_board_info));
|
|
imx27_add_spi_imx0(&pca100_spi0_data);
|
|
|
|
gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs");
|
|
gpio_direction_output(OTG_PHY_CS_GPIO, 1);
|
|
gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs");
|
|
gpio_direction_output(USBH2_PHY_CS_GPIO, 1);
|
|
|
|
if (otg_mode_host) {
|
|
otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
|
|
ULPI_OTG_DRVVBUS_EXT);
|
|
|
|
if (otg_pdata.otg)
|
|
imx27_add_mxc_ehci_otg(&otg_pdata);
|
|
} else {
|
|
gpio_set_value(OTG_PHY_CS_GPIO, 0);
|
|
imx27_add_fsl_usb2_udc(&otg_device_pdata);
|
|
}
|
|
|
|
usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
|
|
ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
|
|
|
|
if (usbh2_pdata.otg)
|
|
imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
|
|
|
|
imx27_add_imx_fb(&pca100_fb_data);
|
|
|
|
imx27_add_fec(NULL);
|
|
imx27_add_imx2_wdt();
|
|
imx27_add_mxc_w1();
|
|
}
|
|
|
|
static void __init pca100_timer_init(void)
|
|
{
|
|
mx27_clocks_init(26000000);
|
|
}
|
|
|
|
static struct sys_timer pca100_timer = {
|
|
.init = pca100_timer_init,
|
|
};
|
|
|
|
MACHINE_START(PCA100, "phyCARD-i.MX27")
|
|
.atag_offset = 0x100,
|
|
.map_io = mx27_map_io,
|
|
.init_early = imx27_init_early,
|
|
.init_irq = mx27_init_irq,
|
|
.handle_irq = imx27_handle_irq,
|
|
.init_machine = pca100_init,
|
|
.timer = &pca100_timer,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|