| /* |
| * 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(); |
| imx25_add_imx_fb(&mx25pdk_fb_pdata); |
| imx25_add_imx2_wdt(); |
| |
| 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 |