[PATCH] LED: add sharp charger status LED trigger
[deliverable/linux.git] / arch / arm / mach-pxa / corgi.c
CommitLineData
1da177e4
LT
1/*
2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
4 *
5 * Copyright (c) 2004-2005 Richard Purdie
6 *
7 * Based on Sharp's 2.4 kernel patches/lubbock.c
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 */
14
15#include <linux/kernel.h>
16#include <linux/init.h>
d052d1be 17#include <linux/platform_device.h>
1da177e4
LT
18#include <linux/major.h>
19#include <linux/fs.h>
20#include <linux/interrupt.h>
21#include <linux/mmc/host.h>
22
23#include <asm/setup.h>
24#include <asm/memory.h>
25#include <asm/mach-types.h>
26#include <asm/hardware.h>
27#include <asm/irq.h>
28#include <asm/io.h>
29
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/irq.h>
33
34#include <asm/arch/pxa-regs.h>
ca1140b5 35#include <asm/arch/irda.h>
1da177e4
LT
36#include <asm/arch/mmc.h>
37#include <asm/arch/udc.h>
38#include <asm/arch/corgi.h>
1036260e 39#include <asm/arch/sharpsl.h>
1da177e4
LT
40
41#include <asm/mach/sharpsl_param.h>
42#include <asm/hardware/scoop.h>
1da177e4
LT
43
44#include "generic.h"
50a5de44 45#include "sharpsl.h"
1da177e4
LT
46
47
48/*
49 * Corgi SCOOP Device
50 */
51static struct resource corgi_scoop_resources[] = {
52 [0] = {
53 .start = 0x10800000,
54 .end = 0x10800fff,
55 .flags = IORESOURCE_MEM,
56 },
57};
58
59static struct scoop_config corgi_scoop_setup = {
60 .io_dir = CORGI_SCOOP_IO_DIR,
61 .io_out = CORGI_SCOOP_IO_OUT,
62};
63
a63ae442
RP
64struct platform_device corgiscoop_device = {
65 .name = "sharp-scoop",
66 .id = -1,
67 .dev = {
68 .platform_data = &corgi_scoop_setup,
69 },
70 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
71 .resource = corgi_scoop_resources,
72};
73
74static void corgi_pcmcia_init(void)
75{
76 /* Setup default state of GPIO outputs
77 before we enable them as outputs. */
78 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
79 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
80 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
81 GPIO_bit(GPIO53_nPCE_2);
82
83 pxa_gpio_mode(GPIO48_nPOE_MD);
84 pxa_gpio_mode(GPIO49_nPWE_MD);
85 pxa_gpio_mode(GPIO50_nPIOR_MD);
86 pxa_gpio_mode(GPIO51_nPIOW_MD);
87 pxa_gpio_mode(GPIO55_nPREG_MD);
88 pxa_gpio_mode(GPIO56_nPWAIT_MD);
89 pxa_gpio_mode(GPIO57_nIOIS16_MD);
90 pxa_gpio_mode(GPIO52_nPCE_1_MD);
91 pxa_gpio_mode(GPIO53_nPCE_2_MD);
92 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
93}
94
0ce7625f
RP
95static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
96{
97 .dev = &corgiscoop_device.dev,
98 .irq = CORGI_IRQ_GPIO_CF_IRQ,
99 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
100 .cd_irq_str = "PCMCIA0 CD",
101},
102};
103
a63ae442
RP
104static struct scoop_pcmcia_config corgi_pcmcia_config = {
105 .devs = &corgi_pcmcia_scoop[0],
106 .num_devs = 1,
107 .pcmcia_init = corgi_pcmcia_init,
1da177e4
LT
108};
109
a63ae442
RP
110EXPORT_SYMBOL(corgiscoop_device);
111
1da177e4
LT
112
113/*
114 * Corgi SSP Device
115 *
116 * Set the parent as the scoop device because a lot of SSP devices
117 * also use scoop functions and this makes the power up/down order
118 * work correctly.
119 */
41b1bce8 120struct platform_device corgissp_device = {
1da177e4
LT
121 .name = "corgi-ssp",
122 .dev = {
123 .parent = &corgiscoop_device.dev,
124 },
125 .id = -1,
126};
127
50a5de44
RP
128struct corgissp_machinfo corgi_ssp_machinfo = {
129 .port = 1,
130 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
131 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
132 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
133 .clk_lcdcon = 76,
134 .clk_ads7846 = 2,
135 .clk_max1111 = 8,
136};
137
1da177e4 138
1da177e4
LT
139/*
140 * Corgi Backlight Device
141 */
1351e6e0
RP
142static struct corgibl_machinfo corgi_bl_machinfo = {
143 .max_intensity = 0x2f,
144 .set_bl_intensity = corgi_bl_set_intensity,
145};
146
1da177e4
LT
147static struct platform_device corgibl_device = {
148 .name = "corgi-bl",
149 .dev = {
150 .parent = &corgifb_device.dev,
1351e6e0 151 .platform_data = &corgi_bl_machinfo,
1da177e4
LT
152 },
153 .id = -1,
154};
155
156
f7ceff34
RP
157/*
158 * Corgi Keyboard Device
159 */
160static struct platform_device corgikbd_device = {
161 .name = "corgi-keyboard",
162 .id = -1,
163};
164
165
166/*
167 * Corgi Touch Screen Device
168 */
513b6e1a
RP
169static struct resource corgits_resources[] = {
170 [0] = {
171 .start = CORGI_IRQ_GPIO_TP_INT,
172 .end = CORGI_IRQ_GPIO_TP_INT,
173 .flags = IORESOURCE_IRQ,
174 },
175};
176
177static struct corgits_machinfo corgi_ts_machinfo = {
178 .get_hsync_len = corgi_get_hsync_len,
179 .put_hsync = corgi_put_hsync,
180 .wait_hsync = corgi_wait_hsync,
181};
182
f7ceff34
RP
183static struct platform_device corgits_device = {
184 .name = "corgi-ts",
185 .dev = {
186 .parent = &corgissp_device.dev,
513b6e1a 187 .platform_data = &corgi_ts_machinfo,
f7ceff34
RP
188 },
189 .id = -1,
513b6e1a
RP
190 .num_resources = ARRAY_SIZE(corgits_resources),
191 .resource = corgits_resources,
f7ceff34
RP
192};
193
194
1da177e4
LT
195/*
196 * MMC/SD Device
197 *
aa6c2e79 198 * The card detect interrupt isn't debounced so we delay it by 250ms
1da177e4
LT
199 * to give the card a chance to fully insert/eject.
200 */
aa6c2e79 201static struct pxamci_platform_data corgi_mci_platform_data;
1da177e4 202
aa6c2e79 203static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data)
1da177e4
LT
204{
205 int err;
206
207 /* setup GPIO for PXA25x MMC controller */
208 pxa_gpio_mode(GPIO6_MMCCLK_MD);
209 pxa_gpio_mode(GPIO8_MMCCS0_MD);
210 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
211 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
212
aa6c2e79 213 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
1da177e4 214
9ded96f2
RK
215 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
216 SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
217 "MMC card detect", data);
1da177e4
LT
218 if (err) {
219 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
220 return -1;
221 }
222
1da177e4
LT
223 return 0;
224}
225
226static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
227{
228 struct pxamci_platform_data* p_d = dev->platform_data;
229
fdce05bb 230 if (( 1 << vdd) & p_d->ocr_mask)
1da177e4 231 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
fdce05bb 232 else
1da177e4 233 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
1da177e4
LT
234}
235
3870ee8c
RP
236static int corgi_mci_get_ro(struct device *dev)
237{
238 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
239}
240
1da177e4
LT
241static void corgi_mci_exit(struct device *dev, void *data)
242{
243 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
1da177e4
LT
244}
245
246static struct pxamci_platform_data corgi_mci_platform_data = {
247 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
248 .init = corgi_mci_init,
3870ee8c 249 .get_ro = corgi_mci_get_ro,
1da177e4
LT
250 .setpower = corgi_mci_setpower,
251 .exit = corgi_mci_exit,
252};
253
254
ca1140b5
RP
255/*
256 * Irda
257 */
258static void corgi_irda_transceiver_mode(struct device *dev, int mode)
259{
260 if (mode & IR_OFF)
261 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
262 else
263 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
264}
265
266static struct pxaficp_platform_data corgi_ficp_platform_data = {
267 .transceiver_cap = IR_SIRMODE | IR_OFF,
268 .transceiver_mode = corgi_irda_transceiver_mode,
269};
270
f7ceff34 271
1da177e4
LT
272/*
273 * USB Device Controller
274 */
275static void corgi_udc_command(int cmd)
276{
277 switch(cmd) {
278 case PXA2XX_UDC_CMD_CONNECT:
279 GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
280 break;
281 case PXA2XX_UDC_CMD_DISCONNECT:
282 GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
283 break;
284 }
285}
286
287static struct pxa2xx_udc_mach_info udc_info __initdata = {
288 /* no connect GPIO; corgi can't tell connection status */
289 .udc_command = corgi_udc_command,
290};
291
292
293static struct platform_device *devices[] __initdata = {
294 &corgiscoop_device,
295 &corgissp_device,
296 &corgifb_device,
f7ceff34 297 &corgikbd_device,
1da177e4 298 &corgibl_device,
f7ceff34 299 &corgits_device,
1da177e4
LT
300};
301
302static void __init corgi_init(void)
303{
fdce05bb
RP
304 /* setup sleep mode values */
305 PWER = 0x00000002;
306 PFER = 0x00000000;
307 PRER = 0x00000002;
308 PGSR0 = 0x0158C000;
309 PGSR1 = 0x00FF0080;
310 PGSR2 = 0x0001C004;
311 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
312 PCFR |= PCFR_OPDE;
313
50a5de44
RP
314 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
315
ca1140b5 316 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
1da177e4 317 pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
513b6e1a 318 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
ca1140b5 319
1da177e4
LT
320 pxa_set_udc_info(&udc_info);
321 pxa_set_mci_info(&corgi_mci_platform_data);
ca1140b5 322 pxa_set_ficp_info(&corgi_ficp_platform_data);
1da177e4 323
a63ae442 324 platform_scoop_config = &corgi_pcmcia_config;
0ce7625f 325
1da177e4
LT
326 platform_add_devices(devices, ARRAY_SIZE(devices));
327}
328
329static void __init fixup_corgi(struct machine_desc *desc,
330 struct tag *tags, char **cmdline, struct meminfo *mi)
331{
332 sharpsl_save_param();
333 mi->nr_banks=1;
334 mi->bank[0].start = 0xa0000000;
335 mi->bank[0].node = 0;
336 if (machine_is_corgi())
337 mi->bank[0].size = (32*1024*1024);
338 else
339 mi->bank[0].size = (64*1024*1024);
340}
341
1da177e4
LT
342#ifdef CONFIG_MACH_CORGI
343MACHINE_START(CORGI, "SHARP Corgi")
e9dea0c6 344 .phys_io = 0x40000000,
68070bde 345 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 346 .fixup = fixup_corgi,
fdce05bb
RP
347 .map_io = pxa_map_io,
348 .init_irq = pxa_init_irq,
e9dea0c6
RK
349 .init_machine = corgi_init,
350 .timer = &pxa_timer,
1da177e4
LT
351MACHINE_END
352#endif
353
354#ifdef CONFIG_MACH_SHEPHERD
355MACHINE_START(SHEPHERD, "SHARP Shepherd")
e9dea0c6 356 .phys_io = 0x40000000,
68070bde 357 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 358 .fixup = fixup_corgi,
fdce05bb
RP
359 .map_io = pxa_map_io,
360 .init_irq = pxa_init_irq,
e9dea0c6
RK
361 .init_machine = corgi_init,
362 .timer = &pxa_timer,
1da177e4
LT
363MACHINE_END
364#endif
365
366#ifdef CONFIG_MACH_HUSKY
367MACHINE_START(HUSKY, "SHARP Husky")
e9dea0c6 368 .phys_io = 0x40000000,
68070bde 369 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 370 .fixup = fixup_corgi,
fdce05bb
RP
371 .map_io = pxa_map_io,
372 .init_irq = pxa_init_irq,
e9dea0c6
RK
373 .init_machine = corgi_init,
374 .timer = &pxa_timer,
1da177e4
LT
375MACHINE_END
376#endif
377
This page took 0.119597 seconds and 5 git commands to generate.