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
);