2 * LILLY-1131 development board support
4 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
6 * based on code for other MX31 boards,
8 * Copyright 2005-2007 Freescale Semiconductor
9 * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
10 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
23 #include <linux/kernel.h>
24 #include <linux/types.h>
25 #include <linux/init.h>
26 #include <linux/gpio.h>
27 #include <linux/platform_device.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
33 #include "board-mx31lilly.h"
35 #include "devices-imx31.h"
37 #include "iomux-mx3.h"
40 * This file contains board-specific initialization routines for the
41 * LILLY-1131 development board. If you design an own baseboard for the
42 * module, use this file as base for support code.
45 static unsigned int lilly_db_board_pins[] __initdata = {
46 MX31_PIN_SD1_DATA3__SD1_DATA3,
47 MX31_PIN_SD1_DATA2__SD1_DATA2,
48 MX31_PIN_SD1_DATA1__SD1_DATA1,
49 MX31_PIN_SD1_DATA0__SD1_DATA0,
50 MX31_PIN_SD1_CLK__SD1_CLK,
51 MX31_PIN_SD1_CMD__SD1_CMD,
70 MX31_PIN_VSYNC3__VSYNC3,
71 MX31_PIN_HSYNC__HSYNC,
72 MX31_PIN_FPSHIFT__FPSHIFT,
73 MX31_PIN_DRDY0__DRDY0,
74 MX31_PIN_CONTRAST__CONTRAST,
79 static int mxc_mmc1_get_ro(struct device *dev)
81 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
84 static int gpio_det, gpio_wp;
86 #define MMC_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
87 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
89 static int mxc_mmc1_init(struct device *dev,
90 irq_handler_t detect_irq, void *data)
94 gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
95 gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);
97 mxc_iomux_set_pad(MX31_PIN_SD1_DATA0, MMC_PAD_CFG);
98 mxc_iomux_set_pad(MX31_PIN_SD1_DATA1, MMC_PAD_CFG);
99 mxc_iomux_set_pad(MX31_PIN_SD1_DATA2, MMC_PAD_CFG);
100 mxc_iomux_set_pad(MX31_PIN_SD1_DATA3, MMC_PAD_CFG);
101 mxc_iomux_set_pad(MX31_PIN_SD1_CLK, MMC_PAD_CFG);
102 mxc_iomux_set_pad(MX31_PIN_SD1_CMD, MMC_PAD_CFG);
104 ret = gpio_request(gpio_det, "MMC detect");
108 ret = gpio_request(gpio_wp, "MMC w/p");
112 gpio_direction_input(gpio_det);
113 gpio_direction_input(gpio_wp);
115 ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)),
116 detect_irq, IRQF_TRIGGER_FALLING,
132 static void mxc_mmc1_exit(struct device *dev, void *data)
136 free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)), data);
139 static const struct imxmmc_platform_data mmc_pdata __initconst = {
140 .get_ro = mxc_mmc1_get_ro,
141 .init = mxc_mmc1_init,
142 .exit = mxc_mmc1_exit,
145 /* Framebuffer support */
146 static const struct fb_videomode fb_modedb = {
147 /* 640x480 TFT panel (IPS-056T) */
159 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
160 .vmode = FB_VMODE_NONINTERLACED,
164 static struct mx3fb_platform_data fb_pdata __initdata = {
170 #define LCD_VCC_EN_GPIO (7)
172 static void __init mx31lilly_init_fb(void)
174 if (gpio_request(LCD_VCC_EN_GPIO, "LCD enable") != 0) {
175 printk(KERN_WARNING "unable to request LCD_VCC_EN pin.\n");
179 imx31_add_ipu_core();
180 imx31_add_mx3_sdc_fb(&fb_pdata);
181 gpio_direction_output(LCD_VCC_EN_GPIO, 1);
184 void __init mx31lilly_db_init(void)
186 mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
187 ARRAY_SIZE(lilly_db_board_pins),
188 "development board pins");
189 imx31_add_mxc_mmc(0, &mmc_pdata);