/*
* Copyright 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.
*/
/*
* This machine is known as:
* - i.MX25 3-Stack Development System
* - i.MX25 Platform Development Kit (i.MX25 PDK)
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/usb/otg.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/mx25.h>
#include <mach/iomux-mx25.h>
#include "devices-imx25.h"
#define MX25PDK_CAN_PWDN IMX_GPIO_NR(4, 6)
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static iomux_v3_cfg_t mx25pdk_pads[] = {
MX25_PAD_FEC_MDC__FEC_MDC,
MX25_PAD_FEC_MDIO__FEC_MDIO,
MX25_PAD_FEC_TDATA0__FEC_TDATA0,
MX25_PAD_FEC_TDATA1__FEC_TDATA1,
MX25_PAD_FEC_TX_EN__FEC_TX_EN,
MX25_PAD_FEC_RDATA0__FEC_RDATA0,
MX25_PAD_FEC_RDATA1__FEC_RDATA1,
MX25_PAD_FEC_RX_DV__FEC_RX_DV,
MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
/* LCD */
MX25_PAD_LD0__LD0,
MX25_PAD_LD1__LD1,
MX25_PAD_LD2__LD2,
MX25_PAD_LD3__LD3,
MX25_PAD_LD4__LD4,
MX25_PAD_LD5__LD5,
MX25_PAD_LD6__LD6,
MX25_PAD_LD7__LD7,
MX25_PAD_LD8__LD8,
MX25_PAD_LD9__LD9,
MX25_PAD_LD10__LD10,
MX25_PAD_LD11__LD11,
MX25_PAD_LD12__LD12,
MX25_PAD_LD13__LD13,
MX25_PAD_LD14__LD14,
MX25_PAD_LD15__LD15,
MX25_PAD_GPIO_E__LD16,
MX25_PAD_GPIO_F__LD17,
MX25_PAD_HSYNC__HSYNC,
MX25_PAD_VSYNC__VSYNC,
MX25_PAD_LSCLK__LSCLK,
MX25_PAD_OE_ACD__OE_ACD,
MX25_PAD_CONTRAST__CONTRAST,
/* Keypad */
MX25_PAD_KPP_ROW0__KPP_ROW0,
MX25_PAD_KPP_ROW1__KPP_ROW1,
MX25_PAD_KPP_ROW2__KPP_ROW2,
MX25_PAD_KPP_ROW3__KPP_ROW3,
MX25_PAD_KPP_COL0__KPP_COL0,
MX25_PAD_KPP_COL1__KPP_COL1,
MX25_PAD_KPP_COL2__KPP_COL2,
MX25_PAD_KPP_COL3__KPP_COL3,
/* SD1 */
MX25_PAD_SD1_CMD__SD1_CMD,
MX25_PAD_SD1_CLK__SD1_CLK,
MX25_PAD_SD1_DATA0__SD1_DATA0,
MX25_PAD_SD1_DATA1__SD1_DATA1,
MX25_PAD_SD1_DATA2__SD1_DATA2,
MX25_PAD_SD1_DATA3__SD1_DATA3,
MX25_PAD_A14__GPIO_2_0, /* WriteProtect */
MX25_PAD_A15__GPIO_2_1, /* CardDetect */
/* I2C1 */
MX25_PAD_I2C1_CLK__I2C1_CLK,
MX25_PAD_I2C1_DAT__I2C1_DAT,
/* CAN1 */
MX25_PAD_GPIO_A__CAN1_TX,
MX25_PAD_GPIO_B__CAN1_RX,
MX25_PAD_D14__GPIO_4_6, /* CAN_PWDN */
};
static const struct fec_platform_data mx25_fec_pdata __initconst = {
.phy = PHY_INTERFACE_MODE_RMII,
};
#define FEC_ENABLE_GPIO IMX_GPIO_NR(2, 3)
#define FEC_RESET_B_GPIO IMX_GPIO_NR(4, 8)
static void __init mx25pdk_fec_reset(void)
{
gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
udelay(2);
/* turn on PHY power and lift reset */
gpio_set_value(FEC_ENABLE_GPIO, 1);
gpio_set_value(FEC_RESET_B_GPIO, 1);
}
static const struct mxc_nand_platform_data
mx25pdk_nand_board_info __initconst = {
.width = 1,
.hw_ecc = 1,
.flash_bbt = 1,
};
static struct imx_fb_videomode mx25pdk_modes[] = {
{
.mode = {
.name = "CRT-VGA",
.refresh = 60,
.xres = 640,
.yres = 480,
.pixclock = 39683,
.left_margin = 45,
.right_margin = 114,
.upper_margin = 33,
.lower_margin = 11,
.hsync_len = 1,
.vsync_len = 1,
},
.bpp = 16,
.pcr = 0xFA208B80,
},
};
static const struct imx_fb_platform_data mx25pdk_fb_pdata __initconst = {
.mode = mx25pdk_modes,
.num_modes = ARRAY_SIZE(mx25pdk_modes),
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00020010,
};
static const uint32_t mx25pdk_keymap[] = {
KEY(0, 0, KEY_UP),
KEY(0, 1, KEY_DOWN),
KEY(0, 2, KEY_VOLUMEDOWN),
KEY(0, 3, KEY_HOME),
KEY(1, 0, KEY_RIGHT),
KEY(1, 1, KEY_LEFT),
KEY(1, 2, KEY_ENTER),
KEY(1, 3, KEY_VOLUMEUP),
KEY(2, 0, KEY_F6),
KEY(2, 1, KEY_F8),
KEY(2, 2, KEY_F9),
KEY(2, 3, KEY_F10),
KEY(3, 0, KEY_F1),
KEY(3, 1, KEY_F2),
KEY(3, 2, KEY_F3),
KEY(3, 3, KEY_POWER),
};
static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = {
.keymap = mx25pdk_keymap,
.keymap_size = ARRAY_SIZE(mx25pdk_keymap),
};
static int mx25pdk_usbh2_init(struct platform_device *pdev)
{
return mx25_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
}
static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
.init = mx25pdk_usbh2_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,
};
static const struct imxi2c_platform_data mx25_3ds_i2c0_data __initconst = {
.bitrate = 100000,
};
#define SD1_GPIO_WP IMX_GPIO_NR(2, 0)
#define SD1_GPIO_CD IMX_GPIO_NR(2, 1)
static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = {
.wp_gpio = SD1_GPIO_WP,
.cd_gpio = SD1_GPIO_CD,
.wp_type = ESDHC_WP_GPIO,
.cd_type = ESDHC_CD_GPIO,
};
static void __init mx25pdk_init(void)
{
imx25_soc_init();
mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
ARRAY_SIZE(mx25pdk_pads));
imx25_add_imx_uart0(&uart_pdata);
imx25_add_fsl_usb2_udc(&otg_device_pdata);
imx25_add_mxc_ehci_hs(&usbh2_pdata);
imx25_add_mxc_nand(&mx25pdk_nand_board_info);
imx25_add_imxdi_rtc(NULL);
imx25_add_imx_fb(&mx25pdk_fb_pdata);
imx25_add_imx2_wdt(NULL);
mx25pdk_fec_reset();
imx25_add_fec(&mx25_fec_pdata);
imx25_add_imx_keypad(&mx25pdk_keymap_data);
imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata);
imx25_add_imx_i2c0(&mx25_3ds_i2c0_data);
gpio_request_one(MX25PDK_CAN_PWDN, GPIOF_OUT_INIT_LOW, "can-pwdn");
imx25_add_flexcan0(NULL);
}
static void __init mx25pdk_timer_init(void)
{
mx25_clocks_init();
}
static struct sys_timer mx25pdk_timer = {
.init = mx25pdk_timer_init,
};
MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
/* Maintainer: Freescale Semiconductor, Inc. */
.atag_offset = 0x100,
.map_io = mx25_map_io,
.init_early = imx25_init_early,
.init_irq = mx25_init_irq,
.handle_irq = imx25_handle_irq,
.timer = &mx25pdk_timer,
.init_machine = mx25pdk_init,
.restart = mxc_restart,
MACHINE_END