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17#include <linux/platform_device.h>
18#include <linux/mtd/mtd.h>
19#include <linux/mtd/physmap.h>
20#include <linux/gpio/driver.h>
21#include <linux/gpio.h>
22#include <linux/regulator/fixed.h>
23#include <linux/regulator/machine.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26
27#include "common.h"
28#include "devices-imx21.h"
29#include "hardware.h"
30#include "iomux-mx21.h"
31
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)
36
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)
40
41
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)
60
61static const int mx21ads_pins[] __initconst = {
62
63
64 (GPIO_PORTE | GPIO_GPIO | GPIO_IN | 11),
65
66
67 PE12_PF_UART1_TXD,
68 PE13_PF_UART1_RXD,
69 PE14_PF_UART1_CTS,
70 PE15_PF_UART1_RTS,
71
72
73 PE8_PF_UART3_TXD,
74 PE9_PF_UART3_RXD,
75
76
77 PB26_AF_UART4_RTS,
78 PB28_AF_UART4_TXD,
79 PB29_AF_UART4_CTS,
80 PB31_AF_UART4_RXD,
81
82
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,
102 PA25_PF_CLS,
103 PA26_PF_PS,
104 PA27_PF_SPL_SPR,
105 PA28_PF_HSYNC,
106 PA29_PF_VSYNC,
107 PA30_PF_CONTRAST,
108 PA31_PF_OE_ACD,
109
110
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
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
137static struct physmap_flash_data mx21ads_flash_data = {
138 .width = 4,
139};
140
141static struct resource mx21ads_flash_resource =
142 DEFINE_RES_MEM(MX21_CS0_BASE_ADDR, SZ_32M);
143
144static 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
154static struct resource mx21ads_cs8900_resources[] __initdata = {
155 DEFINE_RES_MEM(MX21ADS_CS8900A_REG, SZ_1K),
156
157 DEFINE_RES_IRQ(-1),
158};
159
160static 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
167static const struct imxuart_platform_data uart_pdata_rts __initconst = {
168 .flags = IMXUART_HAVE_RTSCTS,
169};
170
171static const struct imxuart_platform_data uart_pdata_norts __initconst = {
172};
173
174static struct resource mx21ads_mmgpio_resource =
175 DEFINE_RES_MEM_NAMED(MX21ADS_IO_REG, SZ_2, "dat");
176
177static struct bgpio_pdata mx21ads_mmgpio_pdata = {
178 .base = MX21ADS_MMGPIO_BASE,
179 .ngpio = 16,
180};
181
182static 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
192static struct regulator_consumer_supply mx21ads_lcd_regulator_consumer =
193 REGULATOR_SUPPLY("lcd", "imx-fb.0");
194
195static 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};
202
203static 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};
210
211static 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};
218
219
220
221
222
223static 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,
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
243static const struct imx_fb_platform_data mx21ads_fb_data __initconst = {
244 .mode = mx21ads_modes,
245 .num_modes = ARRAY_SIZE(mx21ads_modes),
246
247 .pwmr = 0x00a903ff,
248 .lscr1 = 0x00120300,
249 .dmacr = 0x00020008,
250};
251
252static int mx21ads_sdhc_get_ro(struct device *dev)
253{
254 return gpio_get_value(MX21ADS_IO_SD_WP);
255}
256
257static int mx21ads_sdhc_init(struct device *dev, irq_handler_t detect_irq,
258 void *data)
259{
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);
268}
269
270static void mx21ads_sdhc_exit(struct device *dev, void *data)
271{
272 free_irq(gpio_to_irq(MX21ADS_MMC_CD), data);
273 gpio_free(MX21ADS_IO_SD_WP);
274}
275
276static const struct imxmmc_platform_data mx21ads_sdhc_pdata __initconst = {
277 .ocr_avail = MMC_VDD_29_30 | MMC_VDD_30_31,
278 .get_ro = mx21ads_sdhc_get_ro,
279 .init = mx21ads_sdhc_init,
280 .exit = mx21ads_sdhc_exit,
281};
282
283static const struct mxc_nand_platform_data
284mx21ads_nand_board_info __initconst = {
285 .width = 1,
286 .hw_ecc = 1,
287};
288
289static struct platform_device *platform_devices[] __initdata = {
290 &mx21ads_mmgpio,
291 &mx21ads_lcd_regulator,
292 &mx21ads_nor_mtd_device,
293};
294
295static void __init mx21ads_board_init(void)
296{
297 imx21_soc_init();
298
299 mxc_gpio_setup_multiple_pins(mx21ads_pins, ARRAY_SIZE(mx21ads_pins),
300 "mx21ads");
301
302 imx21_add_imx_uart0(&uart_pdata_rts);
303 imx21_add_imx_uart2(&uart_pdata_norts);
304 imx21_add_imx_uart3(&uart_pdata_rts);
305 imx21_add_mxc_nand(&mx21ads_nand_board_info);
306
307 imx21_add_imx_fb(&mx21ads_fb_data);
308}
309
310static void __init mx21ads_late_init(void)
311{
312 imx21_add_mxc_mmc(0, &mx21ads_sdhc_pdata);
313
314 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
315
316 mx21ads_cs8900_resources[1].start =
317 gpio_to_irq(MX21ADS_CS8900A_IRQ_GPIO);
318 mx21ads_cs8900_resources[1].end =
319 gpio_to_irq(MX21ADS_CS8900A_IRQ_GPIO);
320 platform_device_register_full(&mx21ads_cs8900_devinfo);
321}
322
323static void __init mx21ads_timer_init(void)
324{
325 mx21_clocks_init(32768, 26000000);
326}
327
328MACHINE_START(MX21ADS, "Freescale i.MX21ADS")
329
330 .atag_offset = 0x100,
331 .map_io = mx21_map_io,
332 .init_early = imx21_init_early,
333 .init_irq = mx21_init_irq,
334 .init_time = mx21ads_timer_init,
335 .init_machine = mx21ads_board_init,
336 .init_late = mx21ads_late_init,
337 .restart = mxc_restart,
338MACHINE_END
339
