diff options
author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2011-03-17 04:40:29 -0400 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-05-19 07:11:38 -0400 |
commit | 27ad4bf72a27c80c121b2349174e6b41b2e3afd8 (patch) | |
tree | 864ddd4e58386f22c9fda4457ebc5bb23d790792 /arch/arm/mach-imx/mx31lite-db.c | |
parent | 7fc92c6092d7208e53d35cda32a9181aae396adf (diff) |
ARM: imx: move mx3 support to mach-imx
Fixing a few "please, no space before tabs" and "empty line at end of
file" warnings on the way.
LAKML-Reference: 1299271882-2130-6-git-send-email-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/mx31lite-db.c')
-rw-r--r-- | arch/arm/mach-imx/mx31lite-db.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx31lite-db.c b/arch/arm/mach-imx/mx31lite-db.c new file mode 100644 index 000000000000..5aa053edc17c --- /dev/null +++ b/arch/arm/mach-imx/mx31lite-db.c | |||
@@ -0,0 +1,203 @@ | |||
1 | /* | ||
2 | * LogicPD i.MX31 SOM-LV 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 | |||
23 | #include <linux/kernel.h> | ||
24 | #include <linux/types.h> | ||
25 | #include <linux/init.h> | ||
26 | #include <linux/gpio.h> | ||
27 | #include <linux/leds.h> | ||
28 | #include <linux/platform_device.h> | ||
29 | |||
30 | #include <asm/mach-types.h> | ||
31 | #include <asm/mach/arch.h> | ||
32 | #include <asm/mach/map.h> | ||
33 | |||
34 | #include <mach/hardware.h> | ||
35 | #include <mach/common.h> | ||
36 | #include <mach/iomux-mx3.h> | ||
37 | #include <mach/board-mx31lite.h> | ||
38 | |||
39 | #include "devices-imx31.h" | ||
40 | |||
41 | /* | ||
42 | * This file contains board-specific initialization routines for the | ||
43 | * LogicPD i.MX31 SOM-LV development board, aka 'LiteKit'. | ||
44 | * If you design an own baseboard for the module, use this file as base | ||
45 | * for support code. | ||
46 | */ | ||
47 | |||
48 | static unsigned int litekit_db_board_pins[] __initdata = { | ||
49 | /* UART1 */ | ||
50 | MX31_PIN_CTS1__CTS1, | ||
51 | MX31_PIN_RTS1__RTS1, | ||
52 | MX31_PIN_TXD1__TXD1, | ||
53 | MX31_PIN_RXD1__RXD1, | ||
54 | /* SPI 0 */ | ||
55 | MX31_PIN_CSPI1_SCLK__SCLK, | ||
56 | MX31_PIN_CSPI1_MOSI__MOSI, | ||
57 | MX31_PIN_CSPI1_MISO__MISO, | ||
58 | MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, | ||
59 | MX31_PIN_CSPI1_SS0__SS0, | ||
60 | MX31_PIN_CSPI1_SS1__SS1, | ||
61 | MX31_PIN_CSPI1_SS2__SS2, | ||
62 | /* SDHC1 */ | ||
63 | MX31_PIN_SD1_DATA0__SD1_DATA0, | ||
64 | MX31_PIN_SD1_DATA1__SD1_DATA1, | ||
65 | MX31_PIN_SD1_DATA2__SD1_DATA2, | ||
66 | MX31_PIN_SD1_DATA3__SD1_DATA3, | ||
67 | MX31_PIN_SD1_CLK__SD1_CLK, | ||
68 | MX31_PIN_SD1_CMD__SD1_CMD, | ||
69 | }; | ||
70 | |||
71 | /* UART */ | ||
72 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
73 | .flags = IMXUART_HAVE_RTSCTS, | ||
74 | }; | ||
75 | |||
76 | /* MMC */ | ||
77 | |||
78 | static int gpio_det, gpio_wp; | ||
79 | |||
80 | #define MMC_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ | ||
81 | PAD_CTL_ODE_CMOS) | ||
82 | |||
83 | static int mxc_mmc1_get_ro(struct device *dev) | ||
84 | { | ||
85 | return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_GPIO1_6)); | ||
86 | } | ||
87 | |||
88 | static int mxc_mmc1_init(struct device *dev, | ||
89 | irq_handler_t detect_irq, void *data) | ||
90 | { | ||
91 | int ret; | ||
92 | |||
93 | gpio_det = IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1); | ||
94 | gpio_wp = IOMUX_TO_GPIO(MX31_PIN_GPIO1_6); | ||
95 | |||
96 | mxc_iomux_set_pad(MX31_PIN_SD1_DATA0, | ||
97 | MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); | ||
98 | mxc_iomux_set_pad(MX31_PIN_SD1_DATA1, | ||
99 | MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); | ||
100 | mxc_iomux_set_pad(MX31_PIN_SD1_DATA2, | ||
101 | MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); | ||
102 | mxc_iomux_set_pad(MX31_PIN_SD1_DATA3, | ||
103 | MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); | ||
104 | mxc_iomux_set_pad(MX31_PIN_SD1_CMD, | ||
105 | MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); | ||
106 | mxc_iomux_set_pad(MX31_PIN_SD1_CLK, MMC_PAD_CFG); | ||
107 | |||
108 | ret = gpio_request(gpio_det, "MMC detect"); | ||
109 | if (ret) | ||
110 | return ret; | ||
111 | |||
112 | ret = gpio_request(gpio_wp, "MMC w/p"); | ||
113 | if (ret) | ||
114 | goto exit_free_det; | ||
115 | |||
116 | gpio_direction_input(gpio_det); | ||
117 | gpio_direction_input(gpio_wp); | ||
118 | |||
119 | ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_DCD_DCE1), detect_irq, | ||
120 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | ||
121 | "MMC detect", data); | ||
122 | if (ret) | ||
123 | goto exit_free_wp; | ||
124 | |||
125 | return 0; | ||
126 | |||
127 | exit_free_wp: | ||
128 | gpio_free(gpio_wp); | ||
129 | |||
130 | exit_free_det: | ||
131 | gpio_free(gpio_det); | ||
132 | |||
133 | return ret; | ||
134 | } | ||
135 | |||
136 | static void mxc_mmc1_exit(struct device *dev, void *data) | ||
137 | { | ||
138 | gpio_free(gpio_det); | ||
139 | gpio_free(gpio_wp); | ||
140 | free_irq(IOMUX_TO_IRQ(MX31_PIN_DCD_DCE1), data); | ||
141 | } | ||
142 | |||
143 | static const struct imxmmc_platform_data mmc_pdata __initconst = { | ||
144 | .get_ro = mxc_mmc1_get_ro, | ||
145 | .init = mxc_mmc1_init, | ||
146 | .exit = mxc_mmc1_exit, | ||
147 | }; | ||
148 | |||
149 | /* SPI */ | ||
150 | |||
151 | static int spi_internal_chipselect[] = { | ||
152 | MXC_SPI_CS(0), | ||
153 | MXC_SPI_CS(1), | ||
154 | MXC_SPI_CS(2), | ||
155 | }; | ||
156 | |||
157 | static const struct spi_imx_master spi0_pdata __initconst = { | ||
158 | .chipselect = spi_internal_chipselect, | ||
159 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | ||
160 | }; | ||
161 | |||
162 | /* GPIO LEDs */ | ||
163 | |||
164 | static struct gpio_led litekit_leds[] = { | ||
165 | { | ||
166 | .name = "GPIO0", | ||
167 | .gpio = IOMUX_TO_GPIO(MX31_PIN_COMPARE), | ||
168 | .active_low = 1, | ||
169 | .default_state = LEDS_GPIO_DEFSTATE_OFF, | ||
170 | }, | ||
171 | { | ||
172 | .name = "GPIO1", | ||
173 | .gpio = IOMUX_TO_GPIO(MX31_PIN_CAPTURE), | ||
174 | .active_low = 1, | ||
175 | .default_state = LEDS_GPIO_DEFSTATE_OFF, | ||
176 | } | ||
177 | }; | ||
178 | |||
179 | static struct gpio_led_platform_data litekit_led_platform_data = { | ||
180 | .leds = litekit_leds, | ||
181 | .num_leds = ARRAY_SIZE(litekit_leds), | ||
182 | }; | ||
183 | |||
184 | static struct platform_device litekit_led_device = { | ||
185 | .name = "leds-gpio", | ||
186 | .id = -1, | ||
187 | .dev = { | ||
188 | .platform_data = &litekit_led_platform_data, | ||
189 | }, | ||
190 | }; | ||
191 | |||
192 | void __init mx31lite_db_init(void) | ||
193 | { | ||
194 | mxc_iomux_setup_multiple_pins(litekit_db_board_pins, | ||
195 | ARRAY_SIZE(litekit_db_board_pins), | ||
196 | "development board pins"); | ||
197 | imx31_add_imx_uart0(&uart_pdata); | ||
198 | imx31_add_mxc_mmc(0, &mmc_pdata); | ||
199 | imx31_add_spi_imx0(&spi0_pdata); | ||
200 | platform_device_register(&litekit_led_device); | ||
201 | imx31_add_imx2_wdt(NULL); | ||
202 | imx31_add_mxc_rtc(NULL); | ||
203 | } | ||