From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-imx/mach-mx25_3ds.c | 258 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 258 insertions(+) create mode 100644 arch/arm/mach-imx/mach-mx25_3ds.c (limited to 'arch/arm/mach-imx/mach-mx25_3ds.c') diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c new file mode 100644 index 00000000..58ea3fdf --- /dev/null +++ b/arch/arm/mach-imx/mach-mx25_3ds.c @@ -0,0 +1,258 @@ +/* + * Copyright 2009 Sascha Hauer, + * + * 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 +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "devices-imx25.h" + +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, +}; + +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, +}; + +static void __init mx25pdk_init(void) +{ + 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); +} + +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. */ + .boot_params = MX25_PHYS_OFFSET + 0x100, + .map_io = mx25_map_io, + .init_early = imx25_init_early, + .init_irq = mx25_init_irq, + .timer = &mx25pdk_timer, + .init_machine = mx25pdk_init, +MACHINE_END -- cgit v1.2.3