Commit | Line | Data |
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8593790d MG |
1 | /* |
2 | * TI DA830/OMAP L137 EVM board | |
3 | * | |
4 | * Author: Mark A. Greer <mgreer@mvista.com> | |
5 | * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c | |
6 | * | |
7 | * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under | |
8 | * the terms of the GNU General Public License version 2. This program | |
9 | * is licensed "as is" without any warranty of any kind, whether express | |
10 | * or implied. | |
11 | */ | |
12 | #include <linux/kernel.h> | |
8593790d MG |
13 | #include <linux/init.h> |
14 | #include <linux/console.h> | |
0e9a3ddc | 15 | #include <linux/interrupt.h> |
13e1f044 | 16 | #include <linux/gpio.h> |
733975a3 | 17 | #include <linux/platform_device.h> |
8593790d | 18 | #include <linux/i2c.h> |
13e1f044 | 19 | #include <linux/i2c/pcf857x.h> |
8593790d | 20 | #include <linux/i2c/at24.h> |
733975a3 DG |
21 | #include <linux/mtd/mtd.h> |
22 | #include <linux/mtd/partitions.h> | |
8593790d MG |
23 | |
24 | #include <asm/mach-types.h> | |
25 | #include <asm/mach/arch.h> | |
26 | ||
8593790d | 27 | #include <mach/cp_intc.h> |
32bf078c | 28 | #include <mach/mux.h> |
733975a3 | 29 | #include <mach/nand.h> |
8593790d | 30 | #include <mach/da8xx.h> |
0e9a3ddc | 31 | #include <mach/usb.h> |
217f1366 | 32 | #include <mach/aemif.h> |
8593790d | 33 | |
782f2d78 | 34 | #define DA830_EVM_PHY_ID "" |
0e9a3ddc SS |
35 | /* |
36 | * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4]. | |
37 | */ | |
38 | #define ON_BD_USB_DRV GPIO_TO_PIN(1, 15) | |
39 | #define ON_BD_USB_OVC GPIO_TO_PIN(2, 4) | |
40 | ||
41 | static const short da830_evm_usb11_pins[] = { | |
42 | DA830_GPIO1_15, DA830_GPIO2_4, | |
43 | -1 | |
44 | }; | |
45 | ||
46 | static da8xx_ocic_handler_t da830_evm_usb_ocic_handler; | |
47 | ||
48 | static int da830_evm_usb_set_power(unsigned port, int on) | |
49 | { | |
50 | gpio_set_value(ON_BD_USB_DRV, on); | |
51 | return 0; | |
52 | } | |
53 | ||
54 | static int da830_evm_usb_get_power(unsigned port) | |
55 | { | |
56 | return gpio_get_value(ON_BD_USB_DRV); | |
57 | } | |
58 | ||
59 | static int da830_evm_usb_get_oci(unsigned port) | |
60 | { | |
61 | return !gpio_get_value(ON_BD_USB_OVC); | |
62 | } | |
63 | ||
64 | static irqreturn_t da830_evm_usb_ocic_irq(int, void *); | |
65 | ||
66 | static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler) | |
67 | { | |
68 | int irq = gpio_to_irq(ON_BD_USB_OVC); | |
69 | int error = 0; | |
70 | ||
71 | if (handler != NULL) { | |
72 | da830_evm_usb_ocic_handler = handler; | |
73 | ||
74 | error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED | | |
75 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
76 | "OHCI over-current indicator", NULL); | |
77 | if (error) | |
78 | printk(KERN_ERR "%s: could not request IRQ to watch " | |
79 | "over-current indicator changes\n", __func__); | |
80 | } else | |
81 | free_irq(irq, NULL); | |
82 | ||
83 | return error; | |
84 | } | |
85 | ||
86 | static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = { | |
87 | .set_power = da830_evm_usb_set_power, | |
88 | .get_power = da830_evm_usb_get_power, | |
89 | .get_oci = da830_evm_usb_get_oci, | |
90 | .ocic_notify = da830_evm_usb_ocic_notify, | |
91 | ||
92 | /* TPS2065 switch @ 5V */ | |
93 | .potpgt = (3 + 1) / 2, /* 3 ms max */ | |
94 | }; | |
95 | ||
96 | static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id) | |
97 | { | |
98 | da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1); | |
99 | return IRQ_HANDLED; | |
100 | } | |
101 | ||
102 | static __init void da830_evm_usb_init(void) | |
103 | { | |
104 | u32 cfgchip2; | |
105 | int ret; | |
106 | ||
107 | /* | |
108 | * Set up USB clock/mode in the CFGCHIP2 register. | |
109 | * FYI: CFGCHIP2 is 0x0000ef00 initially. | |
110 | */ | |
d2de0582 | 111 | cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); |
0e9a3ddc SS |
112 | |
113 | /* USB2.0 PHY reference clock is 24 MHz */ | |
114 | cfgchip2 &= ~CFGCHIP2_REFFREQ; | |
115 | cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ; | |
116 | ||
117 | /* | |
118 | * Select internal reference clock for USB 2.0 PHY | |
119 | * and use it as a clock source for USB 1.1 PHY | |
120 | * (this is the default setting anyway). | |
121 | */ | |
122 | cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX; | |
123 | cfgchip2 |= CFGCHIP2_USB2PHYCLKMUX; | |
124 | ||
ca6a272a SS |
125 | /* |
126 | * We have to override VBUS/ID signals when MUSB is configured into the | |
127 | * host-only mode -- ID pin will float if no cable is connected, so the | |
128 | * controller won't be able to drive VBUS thinking that it's a B-device. | |
129 | * Otherwise, we want to use the OTG mode and enable VBUS comparators. | |
130 | */ | |
131 | cfgchip2 &= ~CFGCHIP2_OTGMODE; | |
132 | #ifdef CONFIG_USB_MUSB_HOST | |
133 | cfgchip2 |= CFGCHIP2_FORCE_HOST; | |
134 | #else | |
135 | cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN; | |
136 | #endif | |
137 | ||
d2de0582 | 138 | __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); |
0e9a3ddc | 139 | |
ca6a272a SS |
140 | /* USB_REFCLKIN is not used. */ |
141 | ret = davinci_cfg_reg(DA830_USB0_DRVVBUS); | |
142 | if (ret) | |
143 | pr_warning("%s: USB 2.0 PinMux setup failed: %d\n", | |
144 | __func__, ret); | |
145 | else { | |
146 | /* | |
147 | * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A), | |
148 | * with the power on to power good time of 3 ms. | |
149 | */ | |
150 | ret = da8xx_register_usb20(1000, 3); | |
151 | if (ret) | |
152 | pr_warning("%s: USB 2.0 registration failed: %d\n", | |
153 | __func__, ret); | |
154 | } | |
155 | ||
3821d10a | 156 | ret = davinci_cfg_reg_list(da830_evm_usb11_pins); |
0e9a3ddc SS |
157 | if (ret) { |
158 | pr_warning("%s: USB 1.1 PinMux setup failed: %d\n", | |
159 | __func__, ret); | |
160 | return; | |
161 | } | |
162 | ||
163 | ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV"); | |
164 | if (ret) { | |
165 | printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " | |
166 | "power control: %d\n", __func__, ret); | |
167 | return; | |
168 | } | |
169 | gpio_direction_output(ON_BD_USB_DRV, 0); | |
170 | ||
171 | ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC"); | |
172 | if (ret) { | |
173 | printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " | |
174 | "over-current indicator: %d\n", __func__, ret); | |
175 | return; | |
176 | } | |
177 | gpio_direction_input(ON_BD_USB_OVC); | |
178 | ||
179 | ret = da8xx_register_usb11(&da830_evm_usb11_pdata); | |
180 | if (ret) | |
181 | pr_warning("%s: USB 1.1 registration failed: %d\n", | |
182 | __func__, ret); | |
183 | } | |
184 | ||
8593790d MG |
185 | static struct davinci_uart_config da830_evm_uart_config __initdata = { |
186 | .enabled_uarts = 0x7, | |
187 | }; | |
188 | ||
32bf078c MG |
189 | static const short da830_evm_mcasp1_pins[] = { |
190 | DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1, | |
191 | DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5, | |
192 | DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10, | |
193 | DA830_AXR1_11, | |
194 | -1 | |
195 | }; | |
196 | ||
e33ef5e3 C |
197 | static u8 da830_iis_serializer_direction[] = { |
198 | RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, | |
199 | INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE, | |
200 | INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, | |
201 | }; | |
202 | ||
203 | static struct snd_platform_data da830_evm_snd_data = { | |
204 | .tx_dma_offset = 0x2000, | |
205 | .rx_dma_offset = 0x2000, | |
206 | .op_mode = DAVINCI_MCASP_IIS_MODE, | |
207 | .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction), | |
208 | .tdm_slots = 2, | |
209 | .serial_dir = da830_iis_serializer_direction, | |
48519f0a | 210 | .asp_chan_q = EVENTQ_0, |
e33ef5e3 C |
211 | .version = MCASP_VERSION_2, |
212 | .txnumevt = 1, | |
213 | .rxnumevt = 1, | |
214 | }; | |
215 | ||
2eb30c81 DG |
216 | /* |
217 | * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS. | |
218 | */ | |
219 | static const short da830_evm_mmc_sd_pins[] = { | |
220 | DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2, | |
221 | DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5, | |
222 | DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK, | |
223 | DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2, | |
224 | -1 | |
225 | }; | |
226 | ||
227 | #define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1) | |
8ccfd3f0 | 228 | #define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2) |
2eb30c81 DG |
229 | |
230 | static int da830_evm_mmc_get_ro(int index) | |
231 | { | |
232 | return gpio_get_value(DA830_MMCSD_WP_PIN); | |
233 | } | |
234 | ||
8ccfd3f0 VB |
235 | static int da830_evm_mmc_get_cd(int index) |
236 | { | |
237 | return !gpio_get_value(DA830_MMCSD_CD_PIN); | |
238 | } | |
239 | ||
2eb30c81 DG |
240 | static struct davinci_mmc_config da830_evm_mmc_config = { |
241 | .get_ro = da830_evm_mmc_get_ro, | |
8ccfd3f0 | 242 | .get_cd = da830_evm_mmc_get_cd, |
d154fed7 | 243 | .wires = 8, |
0046d0bf C |
244 | .max_freq = 50000000, |
245 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | |
2eb30c81 DG |
246 | .version = MMC_CTLR_VERSION_2, |
247 | }; | |
248 | ||
249 | static inline void da830_evm_init_mmc(void) | |
250 | { | |
251 | int ret; | |
252 | ||
3821d10a | 253 | ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins); |
2eb30c81 DG |
254 | if (ret) { |
255 | pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n", | |
256 | ret); | |
257 | return; | |
258 | } | |
259 | ||
260 | ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP"); | |
261 | if (ret) { | |
262 | pr_warning("da830_evm_init: can not open GPIO %d\n", | |
263 | DA830_MMCSD_WP_PIN); | |
264 | return; | |
265 | } | |
266 | gpio_direction_input(DA830_MMCSD_WP_PIN); | |
267 | ||
8ccfd3f0 VB |
268 | ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n"); |
269 | if (ret) { | |
270 | pr_warning("da830_evm_init: can not open GPIO %d\n", | |
271 | DA830_MMCSD_CD_PIN); | |
272 | return; | |
273 | } | |
274 | gpio_direction_input(DA830_MMCSD_CD_PIN); | |
275 | ||
2eb30c81 DG |
276 | ret = da8xx_register_mmcsd0(&da830_evm_mmc_config); |
277 | if (ret) { | |
278 | pr_warning("da830_evm_init: mmc/sd registration failed: %d\n", | |
279 | ret); | |
280 | gpio_free(DA830_MMCSD_WP_PIN); | |
281 | } | |
282 | } | |
283 | ||
a0433ac3 SN |
284 | /* |
285 | * UI board NAND/NOR flashes only use 8-bit data bus. | |
286 | */ | |
287 | static const short da830_evm_emif25_pins[] = { | |
288 | DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3, | |
289 | DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7, | |
290 | DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3, | |
291 | DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7, | |
292 | DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11, | |
293 | DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE, | |
294 | DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0, | |
295 | -1 | |
296 | }; | |
297 | ||
b5ebe4e1 SN |
298 | #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE) |
299 | #define HAS_MMC 1 | |
300 | #else | |
301 | #define HAS_MMC 0 | |
302 | #endif | |
303 | ||
733975a3 DG |
304 | #ifdef CONFIG_DA830_UI_NAND |
305 | static struct mtd_partition da830_evm_nand_partitions[] = { | |
306 | /* bootloader (U-Boot, etc) in first sector */ | |
307 | [0] = { | |
308 | .name = "bootloader", | |
309 | .offset = 0, | |
310 | .size = SZ_128K, | |
311 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
312 | }, | |
313 | /* bootloader params in the next sector */ | |
314 | [1] = { | |
315 | .name = "params", | |
316 | .offset = MTDPART_OFS_APPEND, | |
317 | .size = SZ_128K, | |
318 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
319 | }, | |
320 | /* kernel */ | |
321 | [2] = { | |
322 | .name = "kernel", | |
323 | .offset = MTDPART_OFS_APPEND, | |
324 | .size = SZ_2M, | |
325 | .mask_flags = 0, | |
326 | }, | |
327 | /* file system */ | |
328 | [3] = { | |
329 | .name = "filesystem", | |
330 | .offset = MTDPART_OFS_APPEND, | |
331 | .size = MTDPART_SIZ_FULL, | |
332 | .mask_flags = 0, | |
333 | } | |
334 | }; | |
335 | ||
336 | /* flash bbt decriptors */ | |
337 | static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' }; | |
338 | static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' }; | |
339 | ||
340 | static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = { | |
341 | .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | | |
342 | NAND_BBT_WRITE | NAND_BBT_2BIT | | |
343 | NAND_BBT_VERSION | NAND_BBT_PERCHIP, | |
344 | .offs = 2, | |
345 | .len = 4, | |
346 | .veroffs = 16, | |
347 | .maxblocks = 4, | |
348 | .pattern = da830_evm_nand_bbt_pattern | |
349 | }; | |
350 | ||
351 | static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = { | |
352 | .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | | |
353 | NAND_BBT_WRITE | NAND_BBT_2BIT | | |
354 | NAND_BBT_VERSION | NAND_BBT_PERCHIP, | |
355 | .offs = 2, | |
356 | .len = 4, | |
357 | .veroffs = 16, | |
358 | .maxblocks = 4, | |
359 | .pattern = da830_evm_nand_mirror_pattern | |
360 | }; | |
361 | ||
217f1366 SR |
362 | static struct davinci_aemif_timing da830_evm_nandflash_timing = { |
363 | .wsetup = 24, | |
364 | .wstrobe = 21, | |
365 | .whold = 14, | |
366 | .rsetup = 19, | |
367 | .rstrobe = 50, | |
368 | .rhold = 0, | |
369 | .ta = 20, | |
370 | }; | |
371 | ||
733975a3 DG |
372 | static struct davinci_nand_pdata da830_evm_nand_pdata = { |
373 | .parts = da830_evm_nand_partitions, | |
374 | .nr_parts = ARRAY_SIZE(da830_evm_nand_partitions), | |
375 | .ecc_mode = NAND_ECC_HW, | |
376 | .ecc_bits = 4, | |
377 | .options = NAND_USE_FLASH_BBT, | |
378 | .bbt_td = &da830_evm_nand_bbt_main_descr, | |
379 | .bbt_md = &da830_evm_nand_bbt_mirror_descr, | |
217f1366 | 380 | .timing = &da830_evm_nandflash_timing, |
733975a3 DG |
381 | }; |
382 | ||
383 | static struct resource da830_evm_nand_resources[] = { | |
384 | [0] = { /* First memory resource is NAND I/O window */ | |
002cb2d2 SS |
385 | .start = DA8XX_AEMIF_CS3_BASE, |
386 | .end = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1, | |
733975a3 DG |
387 | .flags = IORESOURCE_MEM, |
388 | }, | |
389 | [1] = { /* Second memory resource is AEMIF control registers */ | |
002cb2d2 SS |
390 | .start = DA8XX_AEMIF_CTL_BASE, |
391 | .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1, | |
733975a3 DG |
392 | .flags = IORESOURCE_MEM, |
393 | }, | |
394 | }; | |
395 | ||
396 | static struct platform_device da830_evm_nand_device = { | |
397 | .name = "davinci_nand", | |
398 | .id = 1, | |
399 | .dev = { | |
400 | .platform_data = &da830_evm_nand_pdata, | |
401 | }, | |
402 | .num_resources = ARRAY_SIZE(da830_evm_nand_resources), | |
403 | .resource = da830_evm_nand_resources, | |
404 | }; | |
a0433ac3 | 405 | |
77316f05 | 406 | static inline void da830_evm_init_nand(int mux_mode) |
a0433ac3 SN |
407 | { |
408 | int ret; | |
409 | ||
b5ebe4e1 SN |
410 | if (HAS_MMC) { |
411 | pr_warning("WARNING: both MMC/SD and NAND are " | |
412 | "enabled, but they share AEMIF pins.\n" | |
413 | "\tDisable MMC/SD for NAND support.\n"); | |
414 | return; | |
415 | } | |
416 | ||
3821d10a | 417 | ret = davinci_cfg_reg_list(da830_evm_emif25_pins); |
a0433ac3 SN |
418 | if (ret) |
419 | pr_warning("da830_evm_init: emif25 mux setup failed: %d\n", | |
420 | ret); | |
421 | ||
422 | ret = platform_device_register(&da830_evm_nand_device); | |
423 | if (ret) | |
424 | pr_warning("da830_evm_init: NAND device not registered.\n"); | |
77316f05 SN |
425 | |
426 | gpio_direction_output(mux_mode, 1); | |
a0433ac3 SN |
427 | } |
428 | #else | |
77316f05 | 429 | static inline void da830_evm_init_nand(int mux_mode) { } |
733975a3 DG |
430 | #endif |
431 | ||
a0433ac3 | 432 | #ifdef CONFIG_DA830_UI_LCD |
77316f05 | 433 | static inline void da830_evm_init_lcdc(int mux_mode) |
a0433ac3 SN |
434 | { |
435 | int ret; | |
436 | ||
3821d10a | 437 | ret = davinci_cfg_reg_list(da830_lcdcntl_pins); |
a0433ac3 SN |
438 | if (ret) |
439 | pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n", | |
440 | ret); | |
441 | ||
442 | ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata); | |
443 | if (ret) | |
444 | pr_warning("da830_evm_init: lcd setup failed: %d\n", ret); | |
77316f05 SN |
445 | |
446 | gpio_direction_output(mux_mode, 0); | |
a0433ac3 SN |
447 | } |
448 | #else | |
77316f05 | 449 | static inline void da830_evm_init_lcdc(int mux_mode) { } |
a0433ac3 | 450 | #endif |
733975a3 | 451 | |
77316f05 SN |
452 | static struct at24_platform_data da830_evm_i2c_eeprom_info = { |
453 | .byte_len = SZ_256K / 8, | |
454 | .page_size = 64, | |
455 | .flags = AT24_FLAG_ADDR16, | |
456 | .setup = davinci_get_mac_addr, | |
457 | .context = (void *)0x7f00, | |
458 | }; | |
459 | ||
1ef203c3 SR |
460 | static int __init da830_evm_ui_expander_setup(struct i2c_client *client, |
461 | int gpio, unsigned ngpio, void *context) | |
77316f05 SN |
462 | { |
463 | gpio_request(gpio + 6, "UI MUX_MODE"); | |
464 | ||
b5ebe4e1 SN |
465 | /* Drive mux mode low to match the default without UI card */ |
466 | gpio_direction_output(gpio + 6, 0); | |
467 | ||
77316f05 SN |
468 | da830_evm_init_lcdc(gpio + 6); |
469 | ||
470 | da830_evm_init_nand(gpio + 6); | |
471 | ||
472 | return 0; | |
473 | } | |
474 | ||
475 | static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio, | |
476 | unsigned ngpio, void *context) | |
477 | { | |
478 | gpio_free(gpio + 6); | |
479 | return 0; | |
480 | } | |
481 | ||
1ef203c3 | 482 | static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = { |
77316f05 SN |
483 | .gpio_base = DAVINCI_N_GPIO, |
484 | .setup = da830_evm_ui_expander_setup, | |
485 | .teardown = da830_evm_ui_expander_teardown, | |
486 | }; | |
487 | ||
488 | static struct i2c_board_info __initdata da830_evm_i2c_devices[] = { | |
489 | { | |
490 | I2C_BOARD_INFO("24c256", 0x50), | |
491 | .platform_data = &da830_evm_i2c_eeprom_info, | |
492 | }, | |
493 | { | |
494 | I2C_BOARD_INFO("tlv320aic3x", 0x18), | |
495 | }, | |
496 | { | |
497 | I2C_BOARD_INFO("pcf8574", 0x3f), | |
498 | .platform_data = &da830_evm_ui_expander_info, | |
499 | }, | |
500 | }; | |
501 | ||
502 | static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = { | |
503 | .bus_freq = 100, /* kHz */ | |
504 | .bus_delay = 0, /* usec */ | |
505 | }; | |
506 | ||
a941c503 RS |
507 | /* |
508 | * The following EDMA channels/slots are not being used by drivers (for | |
509 | * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence | |
510 | * they are being reserved for codecs on the DSP side. | |
511 | */ | |
512 | static const s16 da830_dma_rsv_chans[][2] = { | |
513 | /* (offset, number) */ | |
514 | { 8, 2}, | |
515 | {12, 2}, | |
516 | {24, 4}, | |
517 | {30, 2}, | |
518 | {-1, -1} | |
519 | }; | |
520 | ||
521 | static const s16 da830_dma_rsv_slots[][2] = { | |
522 | /* (offset, number) */ | |
523 | { 8, 2}, | |
524 | {12, 2}, | |
525 | {24, 4}, | |
526 | {30, 26}, | |
527 | {-1, -1} | |
528 | }; | |
529 | ||
530 | static struct edma_rsv_info da830_edma_rsv[] = { | |
531 | { | |
532 | .rsv_chans = da830_dma_rsv_chans, | |
533 | .rsv_slots = da830_dma_rsv_slots, | |
534 | }, | |
535 | }; | |
536 | ||
8593790d MG |
537 | static __init void da830_evm_init(void) |
538 | { | |
539 | struct davinci_soc_info *soc_info = &davinci_soc_info; | |
540 | int ret; | |
541 | ||
a941c503 | 542 | ret = da830_register_edma(da830_edma_rsv); |
8593790d MG |
543 | if (ret) |
544 | pr_warning("da830_evm_init: edma registration failed: %d\n", | |
545 | ret); | |
546 | ||
3821d10a | 547 | ret = davinci_cfg_reg_list(da830_i2c0_pins); |
8593790d MG |
548 | if (ret) |
549 | pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n", | |
550 | ret); | |
551 | ||
552 | ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata); | |
553 | if (ret) | |
554 | pr_warning("da830_evm_init: i2c0 registration failed: %d\n", | |
555 | ret); | |
556 | ||
0e9a3ddc SS |
557 | da830_evm_usb_init(); |
558 | ||
8593790d | 559 | soc_info->emac_pdata->rmii_en = 1; |
782f2d78 | 560 | soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID; |
8593790d | 561 | |
3821d10a | 562 | ret = davinci_cfg_reg_list(da830_cpgmac_pins); |
8593790d MG |
563 | if (ret) |
564 | pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n", | |
565 | ret); | |
566 | ||
567 | ret = da8xx_register_emac(); | |
568 | if (ret) | |
569 | pr_warning("da830_evm_init: emac registration failed: %d\n", | |
570 | ret); | |
571 | ||
572 | ret = da8xx_register_watchdog(); | |
573 | if (ret) | |
574 | pr_warning("da830_evm_init: watchdog registration failed: %d\n", | |
575 | ret); | |
576 | ||
577 | davinci_serial_init(&da830_evm_uart_config); | |
578 | i2c_register_board_info(1, da830_evm_i2c_devices, | |
579 | ARRAY_SIZE(da830_evm_i2c_devices)); | |
e33ef5e3 | 580 | |
3821d10a | 581 | ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins); |
e33ef5e3 C |
582 | if (ret) |
583 | pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n", | |
584 | ret); | |
585 | ||
b8864aa4 | 586 | da8xx_register_mcasp(1, &da830_evm_snd_data); |
2eb30c81 DG |
587 | |
588 | da830_evm_init_mmc(); | |
13e1f044 | 589 | |
c51df70b MG |
590 | ret = da8xx_register_rtc(); |
591 | if (ret) | |
592 | pr_warning("da830_evm_init: rtc setup failed: %d\n", ret); | |
8593790d MG |
593 | } |
594 | ||
595 | #ifdef CONFIG_SERIAL_8250_CONSOLE | |
596 | static int __init da830_evm_console_init(void) | |
597 | { | |
1aa5f2a9 MW |
598 | if (!machine_is_davinci_da830_evm()) |
599 | return 0; | |
600 | ||
8593790d MG |
601 | return add_preferred_console("ttyS", 2, "115200"); |
602 | } | |
603 | console_initcall(da830_evm_console_init); | |
604 | #endif | |
605 | ||
8593790d MG |
606 | static void __init da830_evm_map_io(void) |
607 | { | |
608 | da830_init(); | |
609 | } | |
610 | ||
48ea89ea | 611 | MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM") |
8593790d MG |
612 | .boot_params = (DA8XX_DDR_BASE + 0x100), |
613 | .map_io = da830_evm_map_io, | |
bd808947 | 614 | .init_irq = cp_intc_init, |
8593790d MG |
615 | .timer = &davinci_timer, |
616 | .init_machine = da830_evm_init, | |
617 | MACHINE_END |