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 <mach/hardware.h>
34 #include <mach/common.h>
35 #include <mach/iomux-mx3.h>
36 #include <mach/board-mx31lilly.h>
38 #include <mach/mx3fb.h>
41 #include "devices-imx31.h"
45 * This file contains board-specific initialization routines for the
46 * LILLY-1131 development board. If you design an own baseboard for the
47 * module, use this file as base for support code.
50 static unsigned int lilly_db_board_pins[] __initdata = {
59 MX31_PIN_CSPI3_MOSI__RXD3,
60 MX31_PIN_CSPI3_MISO__TXD3,
61 MX31_PIN_CSPI3_SCLK__RTS3,
62 MX31_PIN_CSPI3_SPI_RDY__CTS3,
63 MX31_PIN_SD1_DATA3__SD1_DATA3,
64 MX31_PIN_SD1_DATA2__SD1_DATA2,
65 MX31_PIN_SD1_DATA1__SD1_DATA1,
66 MX31_PIN_SD1_DATA0__SD1_DATA0,
67 MX31_PIN_SD1_CLK__SD1_CLK,
68 MX31_PIN_SD1_CMD__SD1_CMD,
87 MX31_PIN_VSYNC3__VSYNC3,
88 MX31_PIN_HSYNC__HSYNC,
89 MX31_PIN_FPSHIFT__FPSHIFT,
90 MX31_PIN_DRDY0__DRDY0,
91 MX31_PIN_CONTRAST__CONTRAST,
95 static const struct imxuart_platform_data uart_pdata __initconst = {
96 .flags = IMXUART_HAVE_RTSCTS,
101 static int mxc_mmc1_get_ro(struct device *dev)
103 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
106 static int gpio_det, gpio_wp;
108 #define MMC_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
109 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
111 static int mxc_mmc1_init(struct device *dev,
112 irq_handler_t detect_irq, void *data)
116 gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
117 gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);
119 mxc_iomux_set_pad(MX31_PIN_SD1_DATA0, MMC_PAD_CFG);
120 mxc_iomux_set_pad(MX31_PIN_SD1_DATA1, MMC_PAD_CFG);
121 mxc_iomux_set_pad(MX31_PIN_SD1_DATA2, MMC_PAD_CFG);
122 mxc_iomux_set_pad(MX31_PIN_SD1_DATA3, MMC_PAD_CFG);
123 mxc_iomux_set_pad(MX31_PIN_SD1_CLK, MMC_PAD_CFG);
124 mxc_iomux_set_pad(MX31_PIN_SD1_CMD, MMC_PAD_CFG);
126 ret = gpio_request(gpio_det, "MMC detect");
130 ret = gpio_request(gpio_wp, "MMC w/p");
134 gpio_direction_input(gpio_det);
135 gpio_direction_input(gpio_wp);
137 ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), detect_irq,
138 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
154 static void mxc_mmc1_exit(struct device *dev, void *data)
158 free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), data);
161 static struct imxmmc_platform_data mmc_pdata = {
162 .get_ro = mxc_mmc1_get_ro,
163 .init = mxc_mmc1_init,
164 .exit = mxc_mmc1_exit,
167 /* Framebuffer support */
168 static struct ipu_platform_data ipu_data __initdata = {
169 .irq_base = MXC_IPU_IRQ_START,
172 static const struct fb_videomode fb_modedb = {
173 /* 640x480 TFT panel (IPS-056T) */
185 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
186 .vmode = FB_VMODE_NONINTERLACED,
190 static struct mx3fb_platform_data fb_pdata __initdata = {
191 .dma_dev = &mx3_ipu.dev,
197 #define LCD_VCC_EN_GPIO (7)
199 static void __init mx31lilly_init_fb(void)
201 if (gpio_request(LCD_VCC_EN_GPIO, "LCD enable") != 0) {
202 printk(KERN_WARNING "unable to request LCD_VCC_EN pin.\n");
206 mxc_register_device(&mx3_ipu, &ipu_data);
207 mxc_register_device(&mx3_fb, &fb_pdata);
208 gpio_direction_output(LCD_VCC_EN_GPIO, 1);
211 void __init mx31lilly_db_init(void)
213 mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
214 ARRAY_SIZE(lilly_db_board_pins),
215 "development board pins");
216 imx31_add_imx_uart0(&uart_pdata);
217 imx31_add_imx_uart1(&uart_pdata);
218 imx31_add_imx_uart2(&uart_pdata);
219 mxc_register_device(&mxcsdhc_device0, &mmc_pdata);