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authorAnand Gadiyar <gadiyar@ti.com>2010-11-21 12:53:41 -0500
committerAnand Gadiyar <gadiyar@ti.com>2010-11-30 16:12:13 -0500
commitbecf0737cf25bd0084ed85ccb1ab6c902e600a3c (patch)
tree8818413b24673e32ccda57b0bfd9746dd8171f19 /arch/arm
parent811406c2e69281b0e498d25a42902817299b6b3d (diff)
arm: omap4: usb: add platform init code for EHCI
- Add platform init code for EHCI on OMAP4 - Add pad configuration for PHY and TLL modes Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap2/usb-ehci.c144
1 files changed, 136 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c
index b11bf385d360..25eeadabc39b 100644
--- a/arch/arm/mach-omap2/usb-ehci.c
+++ b/arch/arm/mach-omap2/usb-ehci.c
@@ -34,22 +34,15 @@
34 34
35static struct resource ehci_resources[] = { 35static struct resource ehci_resources[] = {
36 { 36 {
37 .start = OMAP34XX_EHCI_BASE,
38 .end = OMAP34XX_EHCI_BASE + SZ_1K - 1,
39 .flags = IORESOURCE_MEM, 37 .flags = IORESOURCE_MEM,
40 }, 38 },
41 { 39 {
42 .start = OMAP34XX_UHH_CONFIG_BASE,
43 .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
44 .flags = IORESOURCE_MEM, 40 .flags = IORESOURCE_MEM,
45 }, 41 },
46 { 42 {
47 .start = OMAP34XX_USBTLL_BASE,
48 .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
49 .flags = IORESOURCE_MEM, 43 .flags = IORESOURCE_MEM,
50 }, 44 },
51 { /* general IRQ */ 45 { /* general IRQ */
52 .start = INT_34XX_EHCI_IRQ,
53 .flags = IORESOURCE_IRQ, 46 .flags = IORESOURCE_IRQ,
54 } 47 }
55}; 48};
@@ -214,13 +207,148 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
214 return; 207 return;
215} 208}
216 209
210static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
211{
212 switch (port_mode[0]) {
213 case EHCI_HCD_OMAP_MODE_PHY:
214 omap_mux_init_signal("usbb1_ulpiphy_stp",
215 OMAP_PIN_OUTPUT);
216 omap_mux_init_signal("usbb1_ulpiphy_clk",
217 OMAP_PIN_INPUT_PULLDOWN);
218 omap_mux_init_signal("usbb1_ulpiphy_dir",
219 OMAP_PIN_INPUT_PULLDOWN);
220 omap_mux_init_signal("usbb1_ulpiphy_nxt",
221 OMAP_PIN_INPUT_PULLDOWN);
222 omap_mux_init_signal("usbb1_ulpiphy_dat0",
223 OMAP_PIN_INPUT_PULLDOWN);
224 omap_mux_init_signal("usbb1_ulpiphy_dat1",
225 OMAP_PIN_INPUT_PULLDOWN);
226 omap_mux_init_signal("usbb1_ulpiphy_dat2",
227 OMAP_PIN_INPUT_PULLDOWN);
228 omap_mux_init_signal("usbb1_ulpiphy_dat3",
229 OMAP_PIN_INPUT_PULLDOWN);
230 omap_mux_init_signal("usbb1_ulpiphy_dat4",
231 OMAP_PIN_INPUT_PULLDOWN);
232 omap_mux_init_signal("usbb1_ulpiphy_dat5",
233 OMAP_PIN_INPUT_PULLDOWN);
234 omap_mux_init_signal("usbb1_ulpiphy_dat6",
235 OMAP_PIN_INPUT_PULLDOWN);
236 omap_mux_init_signal("usbb1_ulpiphy_dat7",
237 OMAP_PIN_INPUT_PULLDOWN);
238 break;
239 case EHCI_HCD_OMAP_MODE_TLL:
240 omap_mux_init_signal("usbb1_ulpitll_stp",
241 OMAP_PIN_INPUT_PULLUP);
242 omap_mux_init_signal("usbb1_ulpitll_clk",
243 OMAP_PIN_INPUT_PULLDOWN);
244 omap_mux_init_signal("usbb1_ulpitll_dir",
245 OMAP_PIN_INPUT_PULLDOWN);
246 omap_mux_init_signal("usbb1_ulpitll_nxt",
247 OMAP_PIN_INPUT_PULLDOWN);
248 omap_mux_init_signal("usbb1_ulpitll_dat0",
249 OMAP_PIN_INPUT_PULLDOWN);
250 omap_mux_init_signal("usbb1_ulpitll_dat1",
251 OMAP_PIN_INPUT_PULLDOWN);
252 omap_mux_init_signal("usbb1_ulpitll_dat2",
253 OMAP_PIN_INPUT_PULLDOWN);
254 omap_mux_init_signal("usbb1_ulpitll_dat3",
255 OMAP_PIN_INPUT_PULLDOWN);
256 omap_mux_init_signal("usbb1_ulpitll_dat4",
257 OMAP_PIN_INPUT_PULLDOWN);
258 omap_mux_init_signal("usbb1_ulpitll_dat5",
259 OMAP_PIN_INPUT_PULLDOWN);
260 omap_mux_init_signal("usbb1_ulpitll_dat6",
261 OMAP_PIN_INPUT_PULLDOWN);
262 omap_mux_init_signal("usbb1_ulpitll_dat7",
263 OMAP_PIN_INPUT_PULLDOWN);
264 break;
265 case EHCI_HCD_OMAP_MODE_UNKNOWN:
266 default:
267 break;
268 }
269 switch (port_mode[1]) {
270 case EHCI_HCD_OMAP_MODE_PHY:
271 omap_mux_init_signal("usbb2_ulpiphy_stp",
272 OMAP_PIN_OUTPUT);
273 omap_mux_init_signal("usbb2_ulpiphy_clk",
274 OMAP_PIN_INPUT_PULLDOWN);
275 omap_mux_init_signal("usbb2_ulpiphy_dir",
276 OMAP_PIN_INPUT_PULLDOWN);
277 omap_mux_init_signal("usbb2_ulpiphy_nxt",
278 OMAP_PIN_INPUT_PULLDOWN);
279 omap_mux_init_signal("usbb2_ulpiphy_dat0",
280 OMAP_PIN_INPUT_PULLDOWN);
281 omap_mux_init_signal("usbb2_ulpiphy_dat1",
282 OMAP_PIN_INPUT_PULLDOWN);
283 omap_mux_init_signal("usbb2_ulpiphy_dat2",
284 OMAP_PIN_INPUT_PULLDOWN);
285 omap_mux_init_signal("usbb2_ulpiphy_dat3",
286 OMAP_PIN_INPUT_PULLDOWN);
287 omap_mux_init_signal("usbb2_ulpiphy_dat4",
288 OMAP_PIN_INPUT_PULLDOWN);
289 omap_mux_init_signal("usbb2_ulpiphy_dat5",
290 OMAP_PIN_INPUT_PULLDOWN);
291 omap_mux_init_signal("usbb2_ulpiphy_dat6",
292 OMAP_PIN_INPUT_PULLDOWN);
293 omap_mux_init_signal("usbb2_ulpiphy_dat7",
294 OMAP_PIN_INPUT_PULLDOWN);
295 break;
296 case EHCI_HCD_OMAP_MODE_TLL:
297 omap_mux_init_signal("usbb2_ulpitll_stp",
298 OMAP_PIN_INPUT_PULLUP);
299 omap_mux_init_signal("usbb2_ulpitll_clk",
300 OMAP_PIN_INPUT_PULLDOWN);
301 omap_mux_init_signal("usbb2_ulpitll_dir",
302 OMAP_PIN_INPUT_PULLDOWN);
303 omap_mux_init_signal("usbb2_ulpitll_nxt",
304 OMAP_PIN_INPUT_PULLDOWN);
305 omap_mux_init_signal("usbb2_ulpitll_dat0",
306 OMAP_PIN_INPUT_PULLDOWN);
307 omap_mux_init_signal("usbb2_ulpitll_dat1",
308 OMAP_PIN_INPUT_PULLDOWN);
309 omap_mux_init_signal("usbb2_ulpitll_dat2",
310 OMAP_PIN_INPUT_PULLDOWN);
311 omap_mux_init_signal("usbb2_ulpitll_dat3",
312 OMAP_PIN_INPUT_PULLDOWN);
313 omap_mux_init_signal("usbb2_ulpitll_dat4",
314 OMAP_PIN_INPUT_PULLDOWN);
315 omap_mux_init_signal("usbb2_ulpitll_dat5",
316 OMAP_PIN_INPUT_PULLDOWN);
317 omap_mux_init_signal("usbb2_ulpitll_dat6",
318 OMAP_PIN_INPUT_PULLDOWN);
319 omap_mux_init_signal("usbb2_ulpitll_dat7",
320 OMAP_PIN_INPUT_PULLDOWN);
321 break;
322 case EHCI_HCD_OMAP_MODE_UNKNOWN:
323 default:
324 break;
325 }
326}
327
217void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata) 328void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
218{ 329{
219 platform_device_add_data(&ehci_device, pdata, sizeof(*pdata)); 330 platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
220 331
221 /* Setup Pin IO MUX for EHCI */ 332 /* Setup Pin IO MUX for EHCI */
222 if (cpu_is_omap34xx()) 333 if (cpu_is_omap34xx()) {
334 ehci_resources[0].start = OMAP34XX_EHCI_BASE;
335 ehci_resources[0].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
336 ehci_resources[1].start = OMAP34XX_UHH_CONFIG_BASE;
337 ehci_resources[1].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
338 ehci_resources[2].start = OMAP34XX_USBTLL_BASE;
339 ehci_resources[2].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
340 ehci_resources[3].start = INT_34XX_EHCI_IRQ;
223 setup_ehci_io_mux(pdata->port_mode); 341 setup_ehci_io_mux(pdata->port_mode);
342 } else if (cpu_is_omap44xx()) {
343 ehci_resources[0].start = OMAP44XX_HSUSB_EHCI_BASE;
344 ehci_resources[0].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
345 ehci_resources[1].start = OMAP44XX_UHH_CONFIG_BASE;
346 ehci_resources[1].end = OMAP44XX_UHH_CONFIG_BASE + SZ_2K - 1;
347 ehci_resources[2].start = OMAP44XX_USBTLL_BASE;
348 ehci_resources[2].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
349 ehci_resources[3].start = OMAP44XX_IRQ_EHCI;
350 setup_4430ehci_io_mux(pdata->port_mode);
351 }
224 352
225 if (platform_device_register(&ehci_device) < 0) { 353 if (platform_device_register(&ehci_device) < 0) {
226 printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n"); 354 printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 19:42:34 -0500