Commit | Line | Data |
---|---|---|
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> |
8593790d | 17 | #include <linux/i2c.h> |
13e1f044 | 18 | #include <linux/i2c/pcf857x.h> |
8593790d MG |
19 | #include <linux/i2c/at24.h> |
20 | ||
21 | #include <asm/mach-types.h> | |
22 | #include <asm/mach/arch.h> | |
23 | ||
8593790d | 24 | #include <mach/cp_intc.h> |
32bf078c | 25 | #include <mach/mux.h> |
8593790d | 26 | #include <mach/da8xx.h> |
0e9a3ddc | 27 | #include <mach/usb.h> |
8593790d MG |
28 | |
29 | #define DA830_EVM_PHY_MASK 0x0 | |
30 | #define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */ | |
31 | ||
32 | static struct at24_platform_data da830_evm_i2c_eeprom_info = { | |
33 | .byte_len = SZ_256K / 8, | |
34 | .page_size = 64, | |
35 | .flags = AT24_FLAG_ADDR16, | |
36 | .setup = davinci_get_mac_addr, | |
37 | .context = (void *)0x7f00, | |
38 | }; | |
39 | ||
13e1f044 SC |
40 | static int da830_evm_ui_expander_setup(struct i2c_client *client, int gpio, |
41 | unsigned ngpio, void *context) | |
42 | { | |
43 | gpio_request(gpio + 6, "MUX_MODE"); | |
44 | #ifdef CONFIG_DA830_UI_LCD | |
45 | gpio_direction_output(gpio + 6, 0); | |
46 | #else /* Must be NAND or NOR */ | |
47 | gpio_direction_output(gpio + 6, 1); | |
48 | #endif | |
49 | return 0; | |
50 | } | |
51 | ||
52 | static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio, | |
53 | unsigned ngpio, void *context) | |
54 | { | |
55 | gpio_free(gpio + 6); | |
56 | return 0; | |
57 | } | |
58 | ||
59 | static struct pcf857x_platform_data da830_evm_ui_expander_info = { | |
60 | .gpio_base = DAVINCI_N_GPIO, | |
61 | .setup = da830_evm_ui_expander_setup, | |
62 | .teardown = da830_evm_ui_expander_teardown, | |
63 | }; | |
64 | ||
8593790d MG |
65 | static struct i2c_board_info __initdata da830_evm_i2c_devices[] = { |
66 | { | |
67 | I2C_BOARD_INFO("24c256", 0x50), | |
68 | .platform_data = &da830_evm_i2c_eeprom_info, | |
69 | }, | |
1a7ff8ff C |
70 | { |
71 | I2C_BOARD_INFO("tlv320aic3x", 0x18), | |
13e1f044 SC |
72 | }, |
73 | { | |
74 | I2C_BOARD_INFO("pcf8574", 0x3f), | |
75 | .platform_data = &da830_evm_ui_expander_info, | |
76 | }, | |
8593790d MG |
77 | }; |
78 | ||
79 | static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = { | |
80 | .bus_freq = 100, /* kHz */ | |
81 | .bus_delay = 0, /* usec */ | |
82 | }; | |
83 | ||
0e9a3ddc SS |
84 | /* |
85 | * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4]. | |
86 | */ | |
87 | #define ON_BD_USB_DRV GPIO_TO_PIN(1, 15) | |
88 | #define ON_BD_USB_OVC GPIO_TO_PIN(2, 4) | |
89 | ||
90 | static const short da830_evm_usb11_pins[] = { | |
91 | DA830_GPIO1_15, DA830_GPIO2_4, | |
92 | -1 | |
93 | }; | |
94 | ||
95 | static da8xx_ocic_handler_t da830_evm_usb_ocic_handler; | |
96 | ||
97 | static int da830_evm_usb_set_power(unsigned port, int on) | |
98 | { | |
99 | gpio_set_value(ON_BD_USB_DRV, on); | |
100 | return 0; | |
101 | } | |
102 | ||
103 | static int da830_evm_usb_get_power(unsigned port) | |
104 | { | |
105 | return gpio_get_value(ON_BD_USB_DRV); | |
106 | } | |
107 | ||
108 | static int da830_evm_usb_get_oci(unsigned port) | |
109 | { | |
110 | return !gpio_get_value(ON_BD_USB_OVC); | |
111 | } | |
112 | ||
113 | static irqreturn_t da830_evm_usb_ocic_irq(int, void *); | |
114 | ||
115 | static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler) | |
116 | { | |
117 | int irq = gpio_to_irq(ON_BD_USB_OVC); | |
118 | int error = 0; | |
119 | ||
120 | if (handler != NULL) { | |
121 | da830_evm_usb_ocic_handler = handler; | |
122 | ||
123 | error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED | | |
124 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
125 | "OHCI over-current indicator", NULL); | |
126 | if (error) | |
127 | printk(KERN_ERR "%s: could not request IRQ to watch " | |
128 | "over-current indicator changes\n", __func__); | |
129 | } else | |
130 | free_irq(irq, NULL); | |
131 | ||
132 | return error; | |
133 | } | |
134 | ||
135 | static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = { | |
136 | .set_power = da830_evm_usb_set_power, | |
137 | .get_power = da830_evm_usb_get_power, | |
138 | .get_oci = da830_evm_usb_get_oci, | |
139 | .ocic_notify = da830_evm_usb_ocic_notify, | |
140 | ||
141 | /* TPS2065 switch @ 5V */ | |
142 | .potpgt = (3 + 1) / 2, /* 3 ms max */ | |
143 | }; | |
144 | ||
145 | static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id) | |
146 | { | |
147 | da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1); | |
148 | return IRQ_HANDLED; | |
149 | } | |
150 | ||
151 | static __init void da830_evm_usb_init(void) | |
152 | { | |
153 | u32 cfgchip2; | |
154 | int ret; | |
155 | ||
156 | /* | |
157 | * Set up USB clock/mode in the CFGCHIP2 register. | |
158 | * FYI: CFGCHIP2 is 0x0000ef00 initially. | |
159 | */ | |
160 | cfgchip2 = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG)); | |
161 | ||
162 | /* USB2.0 PHY reference clock is 24 MHz */ | |
163 | cfgchip2 &= ~CFGCHIP2_REFFREQ; | |
164 | cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ; | |
165 | ||
166 | /* | |
167 | * Select internal reference clock for USB 2.0 PHY | |
168 | * and use it as a clock source for USB 1.1 PHY | |
169 | * (this is the default setting anyway). | |
170 | */ | |
171 | cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX; | |
172 | cfgchip2 |= CFGCHIP2_USB2PHYCLKMUX; | |
173 | ||
174 | __raw_writel(cfgchip2, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG)); | |
175 | ||
176 | ret = da8xx_pinmux_setup(da830_evm_usb11_pins); | |
177 | if (ret) { | |
178 | pr_warning("%s: USB 1.1 PinMux setup failed: %d\n", | |
179 | __func__, ret); | |
180 | return; | |
181 | } | |
182 | ||
183 | ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV"); | |
184 | if (ret) { | |
185 | printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " | |
186 | "power control: %d\n", __func__, ret); | |
187 | return; | |
188 | } | |
189 | gpio_direction_output(ON_BD_USB_DRV, 0); | |
190 | ||
191 | ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC"); | |
192 | if (ret) { | |
193 | printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " | |
194 | "over-current indicator: %d\n", __func__, ret); | |
195 | return; | |
196 | } | |
197 | gpio_direction_input(ON_BD_USB_OVC); | |
198 | ||
199 | ret = da8xx_register_usb11(&da830_evm_usb11_pdata); | |
200 | if (ret) | |
201 | pr_warning("%s: USB 1.1 registration failed: %d\n", | |
202 | __func__, ret); | |
203 | } | |
204 | ||
8593790d MG |
205 | static struct davinci_uart_config da830_evm_uart_config __initdata = { |
206 | .enabled_uarts = 0x7, | |
207 | }; | |
208 | ||
32bf078c MG |
209 | static const short da830_evm_mcasp1_pins[] = { |
210 | DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1, | |
211 | DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5, | |
212 | DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10, | |
213 | DA830_AXR1_11, | |
214 | -1 | |
215 | }; | |
216 | ||
e33ef5e3 C |
217 | static u8 da830_iis_serializer_direction[] = { |
218 | RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, | |
219 | INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE, | |
220 | INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, | |
221 | }; | |
222 | ||
223 | static struct snd_platform_data da830_evm_snd_data = { | |
224 | .tx_dma_offset = 0x2000, | |
225 | .rx_dma_offset = 0x2000, | |
226 | .op_mode = DAVINCI_MCASP_IIS_MODE, | |
227 | .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction), | |
228 | .tdm_slots = 2, | |
229 | .serial_dir = da830_iis_serializer_direction, | |
230 | .eventq_no = EVENTQ_0, | |
231 | .version = MCASP_VERSION_2, | |
232 | .txnumevt = 1, | |
233 | .rxnumevt = 1, | |
234 | }; | |
235 | ||
2eb30c81 DG |
236 | /* |
237 | * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS. | |
238 | */ | |
239 | static const short da830_evm_mmc_sd_pins[] = { | |
240 | DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2, | |
241 | DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5, | |
242 | DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK, | |
243 | DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2, | |
244 | -1 | |
245 | }; | |
246 | ||
247 | #define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1) | |
248 | ||
249 | static int da830_evm_mmc_get_ro(int index) | |
250 | { | |
251 | return gpio_get_value(DA830_MMCSD_WP_PIN); | |
252 | } | |
253 | ||
254 | static struct davinci_mmc_config da830_evm_mmc_config = { | |
255 | .get_ro = da830_evm_mmc_get_ro, | |
256 | .wires = 4, | |
257 | .version = MMC_CTLR_VERSION_2, | |
258 | }; | |
259 | ||
260 | static inline void da830_evm_init_mmc(void) | |
261 | { | |
262 | int ret; | |
263 | ||
264 | ret = da8xx_pinmux_setup(da830_evm_mmc_sd_pins); | |
265 | if (ret) { | |
266 | pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n", | |
267 | ret); | |
268 | return; | |
269 | } | |
270 | ||
271 | ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP"); | |
272 | if (ret) { | |
273 | pr_warning("da830_evm_init: can not open GPIO %d\n", | |
274 | DA830_MMCSD_WP_PIN); | |
275 | return; | |
276 | } | |
277 | gpio_direction_input(DA830_MMCSD_WP_PIN); | |
278 | ||
279 | ret = da8xx_register_mmcsd0(&da830_evm_mmc_config); | |
280 | if (ret) { | |
281 | pr_warning("da830_evm_init: mmc/sd registration failed: %d\n", | |
282 | ret); | |
283 | gpio_free(DA830_MMCSD_WP_PIN); | |
284 | } | |
285 | } | |
286 | ||
8593790d MG |
287 | static __init void da830_evm_init(void) |
288 | { | |
289 | struct davinci_soc_info *soc_info = &davinci_soc_info; | |
290 | int ret; | |
291 | ||
292 | ret = da8xx_register_edma(); | |
293 | if (ret) | |
294 | pr_warning("da830_evm_init: edma registration failed: %d\n", | |
295 | ret); | |
296 | ||
c96b56c5 | 297 | ret = da8xx_pinmux_setup(da830_i2c0_pins); |
8593790d MG |
298 | if (ret) |
299 | pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n", | |
300 | ret); | |
301 | ||
302 | ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata); | |
303 | if (ret) | |
304 | pr_warning("da830_evm_init: i2c0 registration failed: %d\n", | |
305 | ret); | |
306 | ||
0e9a3ddc SS |
307 | da830_evm_usb_init(); |
308 | ||
8593790d MG |
309 | soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK; |
310 | soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY; | |
311 | soc_info->emac_pdata->rmii_en = 1; | |
312 | ||
c96b56c5 | 313 | ret = da8xx_pinmux_setup(da830_cpgmac_pins); |
8593790d MG |
314 | if (ret) |
315 | pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n", | |
316 | ret); | |
317 | ||
318 | ret = da8xx_register_emac(); | |
319 | if (ret) | |
320 | pr_warning("da830_evm_init: emac registration failed: %d\n", | |
321 | ret); | |
322 | ||
323 | ret = da8xx_register_watchdog(); | |
324 | if (ret) | |
325 | pr_warning("da830_evm_init: watchdog registration failed: %d\n", | |
326 | ret); | |
327 | ||
328 | davinci_serial_init(&da830_evm_uart_config); | |
329 | i2c_register_board_info(1, da830_evm_i2c_devices, | |
330 | ARRAY_SIZE(da830_evm_i2c_devices)); | |
e33ef5e3 | 331 | |
32bf078c | 332 | ret = da8xx_pinmux_setup(da830_evm_mcasp1_pins); |
e33ef5e3 C |
333 | if (ret) |
334 | pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n", | |
335 | ret); | |
336 | ||
b8864aa4 | 337 | da8xx_register_mcasp(1, &da830_evm_snd_data); |
2eb30c81 DG |
338 | |
339 | da830_evm_init_mmc(); | |
13e1f044 SC |
340 | |
341 | #ifdef CONFIG_DA830_UI_LCD | |
342 | ret = da8xx_pinmux_setup(da830_lcdcntl_pins); | |
343 | if (ret) | |
344 | pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n", | |
345 | ret); | |
346 | ||
347 | ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata); | |
348 | if (ret) | |
349 | pr_warning("da830_evm_init: lcd setup failed: %d\n", ret); | |
350 | #endif | |
c51df70b MG |
351 | |
352 | ret = da8xx_register_rtc(); | |
353 | if (ret) | |
354 | pr_warning("da830_evm_init: rtc setup failed: %d\n", ret); | |
8593790d MG |
355 | } |
356 | ||
357 | #ifdef CONFIG_SERIAL_8250_CONSOLE | |
358 | static int __init da830_evm_console_init(void) | |
359 | { | |
360 | return add_preferred_console("ttyS", 2, "115200"); | |
361 | } | |
362 | console_initcall(da830_evm_console_init); | |
363 | #endif | |
364 | ||
365 | static __init void da830_evm_irq_init(void) | |
366 | { | |
367 | struct davinci_soc_info *soc_info = &davinci_soc_info; | |
368 | ||
369 | cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ, | |
370 | soc_info->intc_irq_prios); | |
371 | } | |
372 | ||
373 | static void __init da830_evm_map_io(void) | |
374 | { | |
375 | da830_init(); | |
376 | } | |
377 | ||
6af6564d | 378 | MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137 EVM") |
8593790d MG |
379 | .phys_io = IO_PHYS, |
380 | .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, | |
381 | .boot_params = (DA8XX_DDR_BASE + 0x100), | |
382 | .map_io = da830_evm_map_io, | |
383 | .init_irq = da830_evm_irq_init, | |
384 | .timer = &davinci_timer, | |
385 | .init_machine = da830_evm_init, | |
386 | MACHINE_END |