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[linux/fpc-iii.git] / arch / arm / mach-mx3 / mx31lilly-db.c
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1 /*
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.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <linux/kernel.h>
28 #include <linux/types.h>
29 #include <linux/init.h>
30 #include <linux/gpio.h>
31 #include <linux/platform_device.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
37 #include <mach/hardware.h>
38 #include <mach/common.h>
39 #include <mach/imx-uart.h>
40 #include <mach/iomux-mx3.h>
41 #include <mach/board-mx31lilly.h>
42 #include <mach/mmc.h>
43 #include <mach/mx3fb.h>
44 #include <mach/ipu.h>
46 #include "devices.h"
49 * This file contains board-specific initialization routines for the
50 * LILLY-1131 development board. If you design an own baseboard for the
51 * module, use this file as base for support code.
54 static unsigned int lilly_db_board_pins[] __initdata = {
55 MX31_PIN_CTS1__CTS1,
56 MX31_PIN_RTS1__RTS1,
57 MX31_PIN_TXD1__TXD1,
58 MX31_PIN_RXD1__RXD1,
59 MX31_PIN_CTS2__CTS2,
60 MX31_PIN_RTS2__RTS2,
61 MX31_PIN_TXD2__TXD2,
62 MX31_PIN_RXD2__RXD2,
63 MX31_PIN_CSPI3_MOSI__RXD3,
64 MX31_PIN_CSPI3_MISO__TXD3,
65 MX31_PIN_CSPI3_SCLK__RTS3,
66 MX31_PIN_CSPI3_SPI_RDY__CTS3,
67 MX31_PIN_SD1_DATA3__SD1_DATA3,
68 MX31_PIN_SD1_DATA2__SD1_DATA2,
69 MX31_PIN_SD1_DATA1__SD1_DATA1,
70 MX31_PIN_SD1_DATA0__SD1_DATA0,
71 MX31_PIN_SD1_CLK__SD1_CLK,
72 MX31_PIN_SD1_CMD__SD1_CMD,
73 MX31_PIN_LD0__LD0,
74 MX31_PIN_LD1__LD1,
75 MX31_PIN_LD2__LD2,
76 MX31_PIN_LD3__LD3,
77 MX31_PIN_LD4__LD4,
78 MX31_PIN_LD5__LD5,
79 MX31_PIN_LD6__LD6,
80 MX31_PIN_LD7__LD7,
81 MX31_PIN_LD8__LD8,
82 MX31_PIN_LD9__LD9,
83 MX31_PIN_LD10__LD10,
84 MX31_PIN_LD11__LD11,
85 MX31_PIN_LD12__LD12,
86 MX31_PIN_LD13__LD13,
87 MX31_PIN_LD14__LD14,
88 MX31_PIN_LD15__LD15,
89 MX31_PIN_LD16__LD16,
90 MX31_PIN_LD17__LD17,
91 MX31_PIN_VSYNC3__VSYNC3,
92 MX31_PIN_HSYNC__HSYNC,
93 MX31_PIN_FPSHIFT__FPSHIFT,
94 MX31_PIN_DRDY0__DRDY0,
95 MX31_PIN_CONTRAST__CONTRAST,
98 /* UART */
99 static struct imxuart_platform_data uart_pdata __initdata = {
100 .flags = IMXUART_HAVE_RTSCTS,
103 /* MMC support */
105 static int mxc_mmc1_get_ro(struct device *dev)
107 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
110 static int gpio_det, gpio_wp;
112 static int mxc_mmc1_init(struct device *dev,
113 irq_handler_t detect_irq, void *data)
115 int ret;
117 gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
118 gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);
120 ret = gpio_request(gpio_det, "MMC detect");
121 if (ret)
122 return ret;
124 ret = gpio_request(gpio_wp, "MMC w/p");
125 if (ret)
126 goto exit_free_det;
128 gpio_direction_input(gpio_det);
129 gpio_direction_input(gpio_wp);
131 ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), detect_irq,
132 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
133 "MMC detect", data);
134 if (ret)
135 goto exit_free_wp;
137 return 0;
139 exit_free_wp:
140 gpio_free(gpio_wp);
142 exit_free_det:
143 gpio_free(gpio_det);
145 return ret;
148 static void mxc_mmc1_exit(struct device *dev, void *data)
150 gpio_free(gpio_det);
151 gpio_free(gpio_wp);
152 free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), data);
155 static struct imxmmc_platform_data mmc_pdata = {
156 .get_ro = mxc_mmc1_get_ro,
157 .init = mxc_mmc1_init,
158 .exit = mxc_mmc1_exit,
161 /* Framebuffer support */
162 static struct ipu_platform_data ipu_data __initdata = {
163 .irq_base = MXC_IPU_IRQ_START,
166 static const struct fb_videomode fb_modedb = {
167 /* 640x480 TFT panel (IPS-056T) */
168 .name = "CRT-VGA",
169 .refresh = 64,
170 .xres = 640,
171 .yres = 480,
172 .pixclock = 30000,
173 .left_margin = 200,
174 .right_margin = 2,
175 .upper_margin = 2,
176 .lower_margin = 2,
177 .hsync_len = 3,
178 .vsync_len = 1,
179 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
180 .vmode = FB_VMODE_NONINTERLACED,
181 .flag = 0,
184 static struct mx3fb_platform_data fb_pdata __initdata = {
185 .dma_dev = &mx3_ipu.dev,
186 .name = "CRT-VGA",
187 .mode = &fb_modedb,
188 .num_modes = 1,
191 #define LCD_VCC_EN_GPIO (7)
193 static void __init mx31lilly_init_fb(void)
195 if (gpio_request(LCD_VCC_EN_GPIO, "LCD enable") != 0) {
196 printk(KERN_WARNING "unable to request LCD_VCC_EN pin.\n");
197 return;
200 mxc_register_device(&mx3_ipu, &ipu_data);
201 mxc_register_device(&mx3_fb, &fb_pdata);
202 gpio_direction_output(LCD_VCC_EN_GPIO, 1);
205 void __init mx31lilly_db_init(void)
207 mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
208 ARRAY_SIZE(lilly_db_board_pins),
209 "development board pins");
210 mxc_register_device(&mxc_uart_device0, &uart_pdata);
211 mxc_register_device(&mxc_uart_device1, &uart_pdata);
212 mxc_register_device(&mxc_uart_device2, &uart_pdata);
213 mxc_register_device(&mxcsdhc_device0, &mmc_pdata);
214 mx31lilly_init_fb();