diff options
Diffstat (limited to 'arch/arm/mach-mx2/pca100.c')
-rw-r--r-- | arch/arm/mach-mx2/pca100.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/pca100.c b/arch/arm/mach-mx2/pca100.c new file mode 100644 index 000000000000..fe5b165b88cc --- /dev/null +++ b/arch/arm/mach-mx2/pca100.c | |||
@@ -0,0 +1,244 @@ | |||
1 | /* | ||
2 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
3 | * Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de) | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
17 | * MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #include <linux/platform_device.h> | ||
21 | #include <linux/io.h> | ||
22 | #include <linux/i2c.h> | ||
23 | #include <linux/i2c/at24.h> | ||
24 | #include <linux/dma-mapping.h> | ||
25 | #include <linux/spi/spi.h> | ||
26 | #include <linux/spi/eeprom.h> | ||
27 | #include <linux/irq.h> | ||
28 | #include <linux/gpio.h> | ||
29 | |||
30 | #include <asm/mach/arch.h> | ||
31 | #include <asm/mach-types.h> | ||
32 | #include <mach/common.h> | ||
33 | #include <mach/hardware.h> | ||
34 | #include <mach/iomux.h> | ||
35 | #include <mach/i2c.h> | ||
36 | #include <asm/mach/time.h> | ||
37 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
38 | #include <mach/spi.h> | ||
39 | #endif | ||
40 | #include <mach/imx-uart.h> | ||
41 | #include <mach/mxc_nand.h> | ||
42 | #include <mach/irqs.h> | ||
43 | #include <mach/mmc.h> | ||
44 | |||
45 | #include "devices.h" | ||
46 | |||
47 | static int pca100_pins[] = { | ||
48 | /* UART1 */ | ||
49 | PE12_PF_UART1_TXD, | ||
50 | PE13_PF_UART1_RXD, | ||
51 | PE14_PF_UART1_CTS, | ||
52 | PE15_PF_UART1_RTS, | ||
53 | /* SDHC */ | ||
54 | PB4_PF_SD2_D0, | ||
55 | PB5_PF_SD2_D1, | ||
56 | PB6_PF_SD2_D2, | ||
57 | PB7_PF_SD2_D3, | ||
58 | PB8_PF_SD2_CMD, | ||
59 | PB9_PF_SD2_CLK, | ||
60 | /* FEC */ | ||
61 | PD0_AIN_FEC_TXD0, | ||
62 | PD1_AIN_FEC_TXD1, | ||
63 | PD2_AIN_FEC_TXD2, | ||
64 | PD3_AIN_FEC_TXD3, | ||
65 | PD4_AOUT_FEC_RX_ER, | ||
66 | PD5_AOUT_FEC_RXD1, | ||
67 | PD6_AOUT_FEC_RXD2, | ||
68 | PD7_AOUT_FEC_RXD3, | ||
69 | PD8_AF_FEC_MDIO, | ||
70 | PD9_AIN_FEC_MDC, | ||
71 | PD10_AOUT_FEC_CRS, | ||
72 | PD11_AOUT_FEC_TX_CLK, | ||
73 | PD12_AOUT_FEC_RXD0, | ||
74 | PD13_AOUT_FEC_RX_DV, | ||
75 | PD14_AOUT_FEC_RX_CLK, | ||
76 | PD15_AOUT_FEC_COL, | ||
77 | PD16_AIN_FEC_TX_ER, | ||
78 | PF23_AIN_FEC_TX_EN, | ||
79 | /* SSI1 */ | ||
80 | PC20_PF_SSI1_FS, | ||
81 | PC21_PF_SSI1_RXD, | ||
82 | PC22_PF_SSI1_TXD, | ||
83 | PC23_PF_SSI1_CLK, | ||
84 | /* onboard I2C */ | ||
85 | PC5_PF_I2C2_SDA, | ||
86 | PC6_PF_I2C2_SCL, | ||
87 | /* external I2C */ | ||
88 | PD17_PF_I2C_DATA, | ||
89 | PD18_PF_I2C_CLK, | ||
90 | /* SPI1 */ | ||
91 | PD25_PF_CSPI1_RDY, | ||
92 | PD29_PF_CSPI1_SCLK, | ||
93 | PD30_PF_CSPI1_MISO, | ||
94 | PD31_PF_CSPI1_MOSI, | ||
95 | }; | ||
96 | |||
97 | static struct imxuart_platform_data uart_pdata = { | ||
98 | .flags = IMXUART_HAVE_RTSCTS, | ||
99 | }; | ||
100 | |||
101 | static struct mxc_nand_platform_data pca100_nand_board_info = { | ||
102 | .width = 1, | ||
103 | .hw_ecc = 1, | ||
104 | }; | ||
105 | |||
106 | static struct platform_device *platform_devices[] __initdata = { | ||
107 | &mxc_w1_master_device, | ||
108 | &mxc_fec_device, | ||
109 | }; | ||
110 | |||
111 | static struct imxi2c_platform_data pca100_i2c_1_data = { | ||
112 | .bitrate = 100000, | ||
113 | }; | ||
114 | |||
115 | static struct at24_platform_data board_eeprom = { | ||
116 | .byte_len = 4096, | ||
117 | .page_size = 32, | ||
118 | .flags = AT24_FLAG_ADDR16, | ||
119 | }; | ||
120 | |||
121 | static struct i2c_board_info pca100_i2c_devices[] = { | ||
122 | { | ||
123 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | ||
124 | .platform_data = &board_eeprom, | ||
125 | }, { | ||
126 | I2C_BOARD_INFO("rtc-pcf8563", 0x51), | ||
127 | .type = "pcf8563" | ||
128 | }, { | ||
129 | I2C_BOARD_INFO("lm75", 0x4a), | ||
130 | .type = "lm75" | ||
131 | } | ||
132 | }; | ||
133 | |||
134 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
135 | static struct spi_eeprom at25320 = { | ||
136 | .name = "at25320an", | ||
137 | .byte_len = 4096, | ||
138 | .page_size = 32, | ||
139 | .flags = EE_ADDR2, | ||
140 | }; | ||
141 | |||
142 | static struct spi_board_info pca100_spi_board_info[] __initdata = { | ||
143 | { | ||
144 | .modalias = "at25", | ||
145 | .max_speed_hz = 30000, | ||
146 | .bus_num = 0, | ||
147 | .chip_select = 1, | ||
148 | .platform_data = &at25320, | ||
149 | }, | ||
150 | }; | ||
151 | |||
152 | static int pca100_spi_cs[] = {GPIO_PORTD + 28, GPIO_PORTD + 27}; | ||
153 | |||
154 | static struct spi_imx_master pca100_spi_0_data = { | ||
155 | .chipselect = pca100_spi_cs, | ||
156 | .num_chipselect = ARRAY_SIZE(pca100_spi_cs), | ||
157 | }; | ||
158 | #endif | ||
159 | |||
160 | static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | ||
161 | void *data) | ||
162 | { | ||
163 | int ret; | ||
164 | |||
165 | ret = request_irq(IRQ_GPIOC(29), detect_irq, | ||
166 | IRQF_DISABLED | IRQF_TRIGGER_FALLING, | ||
167 | "imx-mmc-detect", data); | ||
168 | if (ret) | ||
169 | printk(KERN_ERR | ||
170 | "pca100: Failed to reuest irq for sd/mmc detection\n"); | ||
171 | |||
172 | return ret; | ||
173 | } | ||
174 | |||
175 | static void pca100_sdhc2_exit(struct device *dev, void *data) | ||
176 | { | ||
177 | free_irq(IRQ_GPIOC(29), data); | ||
178 | } | ||
179 | |||
180 | static struct imxmmc_platform_data sdhc_pdata = { | ||
181 | .init = pca100_sdhc2_init, | ||
182 | .exit = pca100_sdhc2_exit, | ||
183 | }; | ||
184 | |||
185 | static void __init pca100_init(void) | ||
186 | { | ||
187 | int ret; | ||
188 | |||
189 | ret = mxc_gpio_setup_multiple_pins(pca100_pins, | ||
190 | ARRAY_SIZE(pca100_pins), "PCA100"); | ||
191 | if (ret) | ||
192 | printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret); | ||
193 | |||
194 | mxc_register_device(&mxc_uart_device0, &uart_pdata); | ||
195 | |||
196 | mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN); | ||
197 | mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata); | ||
198 | |||
199 | mxc_register_device(&mxc_nand_device, &pca100_nand_board_info); | ||
200 | |||
201 | /* only the i2c master 1 is used on this CPU card */ | ||
202 | i2c_register_board_info(1, pca100_i2c_devices, | ||
203 | ARRAY_SIZE(pca100_i2c_devices)); | ||
204 | |||
205 | mxc_register_device(&mxc_i2c_device1, &pca100_i2c_1_data); | ||
206 | |||
207 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); | ||
208 | mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_OUT); | ||
209 | |||
210 | /* GPIO0_IRQ */ | ||
211 | mxc_gpio_mode(GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN); | ||
212 | /* GPIO1_IRQ */ | ||
213 | mxc_gpio_mode(GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN); | ||
214 | /* GPIO2_IRQ */ | ||
215 | mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN); | ||
216 | |||
217 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
218 | spi_register_board_info(pca100_spi_board_info, | ||
219 | ARRAY_SIZE(pca100_spi_board_info)); | ||
220 | mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data); | ||
221 | #endif | ||
222 | |||
223 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
224 | } | ||
225 | |||
226 | static void __init pca100_timer_init(void) | ||
227 | { | ||
228 | mx27_clocks_init(26000000); | ||
229 | } | ||
230 | |||
231 | static struct sys_timer pca100_timer = { | ||
232 | .init = pca100_timer_init, | ||
233 | }; | ||
234 | |||
235 | MACHINE_START(PCA100, "phyCARD-i.MX27") | ||
236 | .phys_io = AIPI_BASE_ADDR, | ||
237 | .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
238 | .boot_params = PHYS_OFFSET + 0x100, | ||
239 | .map_io = mx27_map_io, | ||
240 | .init_irq = mxc_init_irq, | ||
241 | .init_machine = pca100_init, | ||
242 | .timer = &pca100_timer, | ||
243 | MACHINE_END | ||
244 | |||