]>
Commit | Line | Data |
---|---|---|
6b91edde IC |
1 | /* |
2 | * Copyright (C) 2000 Deep Blue Solutions Ltd | |
3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | |
4 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
6b91edde IC |
15 | */ |
16 | ||
17 | #include <linux/platform_device.h> | |
18 | #include <linux/mtd/mtd.h> | |
19 | #include <linux/mtd/physmap.h> | |
477fbf1d | 20 | #include <linux/basic_mmio_gpio.h> |
6b91edde | 21 | #include <linux/gpio.h> |
6b961bad AS |
22 | #include <linux/regulator/fixed.h> |
23 | #include <linux/regulator/machine.h> | |
6b91edde IC |
24 | #include <asm/mach-types.h> |
25 | #include <asm/mach/arch.h> | |
6b91edde | 26 | |
e3372474 | 27 | #include "common.h" |
1f8d721c | 28 | #include "devices-imx21.h" |
50f2de61 | 29 | #include "hardware.h" |
267dd34c | 30 | #include "iomux-mx21.h" |
6b91edde | 31 | |
477fbf1d AS |
32 | #define MX21ADS_CS8900A_REG (MX21_CS1_BASE_ADDR + 0x000000) |
33 | #define MX21ADS_ST16C255_IOBASE_REG (MX21_CS1_BASE_ADDR + 0x200000) | |
34 | #define MX21ADS_VERSION_REG (MX21_CS1_BASE_ADDR + 0x400000) | |
35 | #define MX21ADS_IO_REG (MX21_CS1_BASE_ADDR + 0x800000) | |
d393d43f | 36 | |
477fbf1d AS |
37 | #define MX21ADS_MMC_CD IMX_GPIO_NR(4, 25) |
38 | #define MX21ADS_CS8900A_IRQ_GPIO IMX_GPIO_NR(5, 11) | |
39 | #define MX21ADS_MMGPIO_BASE (6 * 32) | |
d393d43f UKK |
40 | |
41 | /* MX21ADS_IO_REG bit definitions */ | |
477fbf1d AS |
42 | #define MX21ADS_IO_SD_WP (MX21ADS_MMGPIO_BASE + 0) |
43 | #define MX21ADS_IO_TP6 (MX21ADS_IO_SD_WP) | |
44 | #define MX21ADS_IO_SW_SEL (MX21ADS_MMGPIO_BASE + 1) | |
45 | #define MX21ADS_IO_TP7 (MX21ADS_IO_SW_SEL) | |
46 | #define MX21ADS_IO_RESET_E_UART (MX21ADS_MMGPIO_BASE + 2) | |
47 | #define MX21ADS_IO_RESET_BASE (MX21ADS_MMGPIO_BASE + 3) | |
48 | #define MX21ADS_IO_CSI_CTL2 (MX21ADS_MMGPIO_BASE + 4) | |
49 | #define MX21ADS_IO_CSI_CTL1 (MX21ADS_MMGPIO_BASE + 5) | |
50 | #define MX21ADS_IO_CSI_CTL0 (MX21ADS_MMGPIO_BASE + 6) | |
51 | #define MX21ADS_IO_UART1_EN (MX21ADS_MMGPIO_BASE + 7) | |
52 | #define MX21ADS_IO_UART4_EN (MX21ADS_MMGPIO_BASE + 8) | |
53 | #define MX21ADS_IO_LCDON (MX21ADS_MMGPIO_BASE + 9) | |
54 | #define MX21ADS_IO_IRDA_EN (MX21ADS_MMGPIO_BASE + 10) | |
55 | #define MX21ADS_IO_IRDA_FIR_SEL (MX21ADS_MMGPIO_BASE + 11) | |
56 | #define MX21ADS_IO_IRDA_MD0_B (MX21ADS_MMGPIO_BASE + 12) | |
57 | #define MX21ADS_IO_IRDA_MD1 (MX21ADS_MMGPIO_BASE + 13) | |
58 | #define MX21ADS_IO_LED4_ON (MX21ADS_MMGPIO_BASE + 14) | |
59 | #define MX21ADS_IO_LED3_ON (MX21ADS_MMGPIO_BASE + 15) | |
d393d43f | 60 | |
6c80ee51 | 61 | static const int mx21ads_pins[] __initconst = { |
6b91edde IC |
62 | |
63 | /* CS8900A */ | |
64 | (GPIO_PORTE | GPIO_GPIO | GPIO_IN | 11), | |
65 | ||
66 | /* UART1 */ | |
67 | PE12_PF_UART1_TXD, | |
68 | PE13_PF_UART1_RXD, | |
69 | PE14_PF_UART1_CTS, | |
70 | PE15_PF_UART1_RTS, | |
71 | ||
72 | /* UART3 (IrDA) - only TXD and RXD */ | |
73 | PE8_PF_UART3_TXD, | |
74 | PE9_PF_UART3_RXD, | |
75 | ||
76 | /* UART4 */ | |
77 | PB26_AF_UART4_RTS, | |
78 | PB28_AF_UART4_TXD, | |
79 | PB29_AF_UART4_CTS, | |
80 | PB31_AF_UART4_RXD, | |
81 | ||
82 | /* LCDC */ | |
83 | PA5_PF_LSCLK, | |
84 | PA6_PF_LD0, | |
85 | PA7_PF_LD1, | |
86 | PA8_PF_LD2, | |
87 | PA9_PF_LD3, | |
88 | PA10_PF_LD4, | |
89 | PA11_PF_LD5, | |
90 | PA12_PF_LD6, | |
91 | PA13_PF_LD7, | |
92 | PA14_PF_LD8, | |
93 | PA15_PF_LD9, | |
94 | PA16_PF_LD10, | |
95 | PA17_PF_LD11, | |
96 | PA18_PF_LD12, | |
97 | PA19_PF_LD13, | |
98 | PA20_PF_LD14, | |
99 | PA21_PF_LD15, | |
100 | PA22_PF_LD16, | |
101 | PA24_PF_REV, /* Sharp panel dedicated signal */ | |
102 | PA25_PF_CLS, /* Sharp panel dedicated signal */ | |
103 | PA26_PF_PS, /* Sharp panel dedicated signal */ | |
104 | PA27_PF_SPL_SPR, /* Sharp panel dedicated signal */ | |
105 | PA28_PF_HSYNC, | |
106 | PA29_PF_VSYNC, | |
107 | PA30_PF_CONTRAST, | |
108 | PA31_PF_OE_ACD, | |
109 | ||
110 | /* MMC/SDHC */ | |
111 | PE18_PF_SD1_D0, | |
112 | PE19_PF_SD1_D1, | |
113 | PE20_PF_SD1_D2, | |
114 | PE21_PF_SD1_D3, | |
115 | PE22_PF_SD1_CMD, | |
116 | PE23_PF_SD1_CLK, | |
117 | ||
118 | /* NFC */ | |
119 | PF0_PF_NRFB, | |
120 | PF1_PF_NFCE, | |
121 | PF2_PF_NFWP, | |
122 | PF3_PF_NFCLE, | |
123 | PF4_PF_NFALE, | |
124 | PF5_PF_NFRE, | |
125 | PF6_PF_NFWE, | |
126 | PF7_PF_NFIO0, | |
127 | PF8_PF_NFIO1, | |
128 | PF9_PF_NFIO2, | |
129 | PF10_PF_NFIO3, | |
130 | PF11_PF_NFIO4, | |
131 | PF12_PF_NFIO5, | |
132 | PF13_PF_NFIO6, | |
133 | PF14_PF_NFIO7, | |
134 | }; | |
135 | ||
136 | /* ADS's NOR flash: 2x AM29BDS128HE9VKI on 32-bit bus */ | |
137 | static struct physmap_flash_data mx21ads_flash_data = { | |
138 | .width = 4, | |
139 | }; | |
140 | ||
ddeef94e AS |
141 | static struct resource mx21ads_flash_resource = |
142 | DEFINE_RES_MEM(MX21_CS0_BASE_ADDR, SZ_32M); | |
6b91edde IC |
143 | |
144 | static struct platform_device mx21ads_nor_mtd_device = { | |
145 | .name = "physmap-flash", | |
146 | .id = 0, | |
147 | .dev = { | |
148 | .platform_data = &mx21ads_flash_data, | |
149 | }, | |
150 | .num_resources = 1, | |
151 | .resource = &mx21ads_flash_resource, | |
152 | }; | |
153 | ||
438196c3 | 154 | static struct resource mx21ads_cs8900_resources[] __initdata = { |
ddeef94e | 155 | DEFINE_RES_MEM(MX21ADS_CS8900A_REG, SZ_1K), |
438196c3 SG |
156 | /* irq number is run-time assigned */ |
157 | DEFINE_RES_IRQ(-1), | |
c8c9e837 JB |
158 | }; |
159 | ||
160 | static const struct platform_device_info mx21ads_cs8900_devinfo __initconst = { | |
161 | .name = "cs89x0", | |
162 | .id = 0, | |
163 | .res = mx21ads_cs8900_resources, | |
164 | .num_res = ARRAY_SIZE(mx21ads_cs8900_resources), | |
165 | }; | |
166 | ||
3c5227fd | 167 | static const struct imxuart_platform_data uart_pdata_rts __initconst = { |
6b91edde IC |
168 | .flags = IMXUART_HAVE_RTSCTS, |
169 | }; | |
170 | ||
3c5227fd | 171 | static const struct imxuart_platform_data uart_pdata_norts __initconst = { |
6b91edde IC |
172 | }; |
173 | ||
477fbf1d AS |
174 | static struct resource mx21ads_mmgpio_resource = |
175 | DEFINE_RES_MEM_NAMED(MX21ADS_IO_REG, SZ_2, "dat"); | |
176 | ||
177 | static struct bgpio_pdata mx21ads_mmgpio_pdata = { | |
178 | .base = MX21ADS_MMGPIO_BASE, | |
179 | .ngpio = 16, | |
180 | }; | |
181 | ||
182 | static struct platform_device mx21ads_mmgpio = { | |
183 | .name = "basic-mmio-gpio", | |
184 | .id = PLATFORM_DEVID_AUTO, | |
185 | .resource = &mx21ads_mmgpio_resource, | |
186 | .num_resources = 1, | |
187 | .dev = { | |
188 | .platform_data = &mx21ads_mmgpio_pdata, | |
189 | }, | |
190 | }; | |
191 | ||
6b961bad AS |
192 | static struct regulator_consumer_supply mx21ads_lcd_regulator_consumer = |
193 | REGULATOR_SUPPLY("lcd", "imx-fb.0"); | |
6b91edde | 194 | |
6b961bad AS |
195 | static struct regulator_init_data mx21ads_lcd_regulator_init_data = { |
196 | .constraints = { | |
197 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | |
198 | }, | |
199 | .consumer_supplies = &mx21ads_lcd_regulator_consumer, | |
200 | .num_consumer_supplies = 1, | |
201 | }; | |
477fbf1d | 202 | |
6b961bad AS |
203 | static struct fixed_voltage_config mx21ads_lcd_regulator_pdata = { |
204 | .supply_name = "LCD", | |
205 | .microvolts = 3300000, | |
206 | .gpio = MX21ADS_IO_LCDON, | |
207 | .enable_high = 1, | |
208 | .init_data = &mx21ads_lcd_regulator_init_data, | |
209 | }; | |
6b91edde | 210 | |
6b961bad AS |
211 | static struct platform_device mx21ads_lcd_regulator = { |
212 | .name = "reg-fixed-voltage", | |
213 | .id = PLATFORM_DEVID_AUTO, | |
214 | .dev = { | |
215 | .platform_data = &mx21ads_lcd_regulator_pdata, | |
216 | }, | |
217 | }; | |
6b91edde IC |
218 | |
219 | /* | |
220 | * Connected is a portrait Sharp-QVGA display | |
221 | * of type: LQ035Q7DB02 | |
222 | */ | |
c35d3a41 SH |
223 | static struct imx_fb_videomode mx21ads_modes[] = { |
224 | { | |
225 | .mode = { | |
226 | .name = "Sharp-LQ035Q7", | |
227 | .refresh = 60, | |
228 | .xres = 240, | |
229 | .yres = 320, | |
230 | .pixclock = 188679, /* in ps (5.3MHz) */ | |
231 | .hsync_len = 2, | |
232 | .left_margin = 6, | |
233 | .right_margin = 16, | |
234 | .vsync_len = 1, | |
235 | .upper_margin = 8, | |
236 | .lower_margin = 10, | |
237 | }, | |
238 | .pcr = 0xfb108bc7, | |
239 | .bpp = 16, | |
240 | }, | |
241 | }; | |
242 | ||
ad851bff | 243 | static const struct imx_fb_platform_data mx21ads_fb_data __initconst = { |
c35d3a41 SH |
244 | .mode = mx21ads_modes, |
245 | .num_modes = ARRAY_SIZE(mx21ads_modes), | |
246 | ||
247 | .pwmr = 0x00a903ff, | |
248 | .lscr1 = 0x00120300, | |
249 | .dmacr = 0x00020008, | |
6b91edde IC |
250 | }; |
251 | ||
252 | static int mx21ads_sdhc_get_ro(struct device *dev) | |
253 | { | |
477fbf1d | 254 | return gpio_get_value(MX21ADS_IO_SD_WP); |
6b91edde IC |
255 | } |
256 | ||
257 | static int mx21ads_sdhc_init(struct device *dev, irq_handler_t detect_irq, | |
258 | void *data) | |
259 | { | |
477fbf1d AS |
260 | int ret; |
261 | ||
262 | ret = gpio_request(MX21ADS_IO_SD_WP, "mmc-ro"); | |
263 | if (ret) | |
264 | return ret; | |
265 | ||
266 | return request_irq(gpio_to_irq(MX21ADS_MMC_CD), detect_irq, | |
267 | IRQF_TRIGGER_FALLING, "mmc-detect", data); | |
6b91edde IC |
268 | } |
269 | ||
270 | static void mx21ads_sdhc_exit(struct device *dev, void *data) | |
271 | { | |
477fbf1d AS |
272 | free_irq(gpio_to_irq(MX21ADS_MMC_CD), data); |
273 | gpio_free(MX21ADS_IO_SD_WP); | |
6b91edde IC |
274 | } |
275 | ||
9d3d945a | 276 | static const struct imxmmc_platform_data mx21ads_sdhc_pdata __initconst = { |
6b91edde IC |
277 | .ocr_avail = MMC_VDD_29_30 | MMC_VDD_30_31, /* 3.0V */ |
278 | .get_ro = mx21ads_sdhc_get_ro, | |
279 | .init = mx21ads_sdhc_init, | |
280 | .exit = mx21ads_sdhc_exit, | |
281 | }; | |
282 | ||
1f8d721c UKK |
283 | static const struct mxc_nand_platform_data |
284 | mx21ads_nand_board_info __initconst = { | |
6b91edde IC |
285 | .width = 1, |
286 | .hw_ecc = 1, | |
287 | }; | |
288 | ||
6b91edde | 289 | static struct platform_device *platform_devices[] __initdata = { |
477fbf1d | 290 | &mx21ads_mmgpio, |
6b961bad | 291 | &mx21ads_lcd_regulator, |
6b91edde IC |
292 | &mx21ads_nor_mtd_device, |
293 | }; | |
294 | ||
295 | static void __init mx21ads_board_init(void) | |
296 | { | |
b78d8e59 SG |
297 | imx21_soc_init(); |
298 | ||
6b91edde IC |
299 | mxc_gpio_setup_multiple_pins(mx21ads_pins, ARRAY_SIZE(mx21ads_pins), |
300 | "mx21ads"); | |
301 | ||
3c5227fd UKK |
302 | imx21_add_imx_uart0(&uart_pdata_rts); |
303 | imx21_add_imx_uart2(&uart_pdata_norts); | |
304 | imx21_add_imx_uart3(&uart_pdata_rts); | |
9d3d945a | 305 | imx21_add_mxc_mmc(0, &mx21ads_sdhc_pdata); |
1f8d721c | 306 | imx21_add_mxc_nand(&mx21ads_nand_board_info); |
6b91edde IC |
307 | |
308 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | |
438196c3 | 309 | |
6b961bad AS |
310 | imx21_add_imx_fb(&mx21ads_fb_data); |
311 | ||
438196c3 SG |
312 | mx21ads_cs8900_resources[1].start = |
313 | gpio_to_irq(MX21ADS_CS8900A_IRQ_GPIO); | |
314 | mx21ads_cs8900_resources[1].end = | |
315 | gpio_to_irq(MX21ADS_CS8900A_IRQ_GPIO); | |
d5be0d73 | 316 | platform_device_register_full(&mx21ads_cs8900_devinfo); |
6b91edde IC |
317 | } |
318 | ||
319 | static void __init mx21ads_timer_init(void) | |
320 | { | |
321 | mx21_clocks_init(32768, 26000000); | |
322 | } | |
323 | ||
6b91edde IC |
324 | MACHINE_START(MX21ADS, "Freescale i.MX21ADS") |
325 | /* maintainer: Freescale Semiconductor, Inc. */ | |
dc8f1907 | 326 | .atag_offset = 0x100, |
477fbf1d | 327 | .map_io = mx21_map_io, |
3dac2196 UKK |
328 | .init_early = imx21_init_early, |
329 | .init_irq = mx21_init_irq, | |
6bb27d73 | 330 | .init_time = mx21ads_timer_init, |
3dac2196 | 331 | .init_machine = mx21ads_board_init, |
65ea7884 | 332 | .restart = mxc_restart, |
6b91edde | 333 | MACHINE_END |