diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31lilly-db.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31lilly-db.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31lilly-db.c b/arch/arm/mach-mx3/mx31lilly-db.c new file mode 100644 index 000000000000..3b3a78f49c23 --- /dev/null +++ b/arch/arm/mach-mx3/mx31lilly-db.c | |||
@@ -0,0 +1,216 @@ | |||
1 | /* | ||
2 | * LILLY-1131 development board support | ||
3 | * | ||
4 | * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> | ||
5 | * | ||
6 | * based on code for other MX31 boards, | ||
7 | * | ||
8 | * Copyright 2005-2007 Freescale Semiconductor | ||
9 | * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> | ||
10 | * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group | ||
11 | * | ||
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. | ||
16 | * | ||
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. | ||
21 | * | ||
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 | ||
25 | */ | ||
26 | |||
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> | ||
32 | |||
33 | #include <asm/mach-types.h> | ||
34 | #include <asm/mach/arch.h> | ||
35 | #include <asm/mach/map.h> | ||
36 | |||
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> | ||
45 | |||
46 | #include "devices.h" | ||
47 | |||
48 | /* | ||
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. | ||
52 | */ | ||
53 | |||
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, | ||
96 | }; | ||
97 | |||
98 | /* UART */ | ||
99 | static struct imxuart_platform_data uart_pdata __initdata = { | ||
100 | .flags = IMXUART_HAVE_RTSCTS, | ||
101 | }; | ||
102 | |||
103 | /* MMC support */ | ||
104 | |||
105 | static int mxc_mmc1_get_ro(struct device *dev) | ||
106 | { | ||
107 | return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0)); | ||
108 | } | ||
109 | |||
110 | static int gpio_det, gpio_wp; | ||
111 | |||
112 | static int mxc_mmc1_init(struct device *dev, | ||
113 | irq_handler_t detect_irq, void *data) | ||
114 | { | ||
115 | int ret; | ||
116 | |||
117 | gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1); | ||
118 | gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0); | ||
119 | |||
120 | ret = gpio_request(gpio_det, "MMC detect"); | ||
121 | if (ret) | ||
122 | return ret; | ||
123 | |||
124 | ret = gpio_request(gpio_wp, "MMC w/p"); | ||
125 | if (ret) | ||
126 | goto exit_free_det; | ||
127 | |||
128 | gpio_direction_input(gpio_det); | ||
129 | gpio_direction_input(gpio_wp); | ||
130 | |||
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; | ||
136 | |||
137 | return 0; | ||
138 | |||
139 | exit_free_wp: | ||
140 | gpio_free(gpio_wp); | ||
141 | |||
142 | exit_free_det: | ||
143 | gpio_free(gpio_det); | ||
144 | |||
145 | return ret; | ||
146 | } | ||
147 | |||
148 | static void mxc_mmc1_exit(struct device *dev, void *data) | ||
149 | { | ||
150 | gpio_free(gpio_det); | ||
151 | gpio_free(gpio_wp); | ||
152 | free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), data); | ||
153 | } | ||
154 | |||
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, | ||
159 | }; | ||
160 | |||
161 | /* Framebuffer support */ | ||
162 | static struct ipu_platform_data ipu_data __initdata = { | ||
163 | .irq_base = MXC_IPU_IRQ_START, | ||
164 | }; | ||
165 | |||
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, | ||
182 | }; | ||
183 | |||
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, | ||
189 | }; | ||
190 | |||
191 | #define LCD_VCC_EN_GPIO (7) | ||
192 | |||
193 | static void __init mx31lilly_init_fb(void) | ||
194 | { | ||
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; | ||
198 | } | ||
199 | |||
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); | ||
203 | } | ||
204 | |||
205 | void __init mx31lilly_db_init(void) | ||
206 | { | ||
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(); | ||
215 | } | ||
216 | |||