]> git.ipfire.org Git - thirdparty/kernel/stable.git/blame - arch/arm/mach-pxa/corgi.c
backlight: Add Samsung LTV350QV LCD driver
[thirdparty/kernel/stable.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>
74617fb6 22#include <linux/pm.h>
1da177e4
LT
23
24#include <asm/setup.h>
25#include <asm/memory.h>
26#include <asm/mach-types.h>
27#include <asm/hardware.h>
28#include <asm/irq.h>
29#include <asm/io.h>
74617fb6 30#include <asm/system.h>
1da177e4
LT
31
32#include <asm/mach/arch.h>
33#include <asm/mach/map.h>
34#include <asm/mach/irq.h>
35
36#include <asm/arch/pxa-regs.h>
ca1140b5 37#include <asm/arch/irda.h>
1da177e4
LT
38#include <asm/arch/mmc.h>
39#include <asm/arch/udc.h>
40#include <asm/arch/corgi.h>
1036260e 41#include <asm/arch/sharpsl.h>
1da177e4
LT
42
43#include <asm/mach/sharpsl_param.h>
44#include <asm/hardware/scoop.h>
1da177e4
LT
45
46#include "generic.h"
46c41e62 47#include "devices.h"
50a5de44 48#include "sharpsl.h"
1da177e4
LT
49
50
51/*
52 * Corgi SCOOP Device
53 */
54static struct resource corgi_scoop_resources[] = {
55 [0] = {
56 .start = 0x10800000,
57 .end = 0x10800fff,
58 .flags = IORESOURCE_MEM,
59 },
60};
61
62static struct scoop_config corgi_scoop_setup = {
63 .io_dir = CORGI_SCOOP_IO_DIR,
64 .io_out = CORGI_SCOOP_IO_OUT,
65};
66
a63ae442
RP
67struct platform_device corgiscoop_device = {
68 .name = "sharp-scoop",
69 .id = -1,
70 .dev = {
71 .platform_data = &corgi_scoop_setup,
72 },
73 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
74 .resource = corgi_scoop_resources,
75};
76
77static void corgi_pcmcia_init(void)
78{
79 /* Setup default state of GPIO outputs
80 before we enable them as outputs. */
81 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
82 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
83 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
84 GPIO_bit(GPIO53_nPCE_2);
85
86 pxa_gpio_mode(GPIO48_nPOE_MD);
87 pxa_gpio_mode(GPIO49_nPWE_MD);
88 pxa_gpio_mode(GPIO50_nPIOR_MD);
89 pxa_gpio_mode(GPIO51_nPIOW_MD);
90 pxa_gpio_mode(GPIO55_nPREG_MD);
91 pxa_gpio_mode(GPIO56_nPWAIT_MD);
92 pxa_gpio_mode(GPIO57_nIOIS16_MD);
93 pxa_gpio_mode(GPIO52_nPCE_1_MD);
94 pxa_gpio_mode(GPIO53_nPCE_2_MD);
95 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
96}
97
0ce7625f
RP
98static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
99{
100 .dev = &corgiscoop_device.dev,
101 .irq = CORGI_IRQ_GPIO_CF_IRQ,
102 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
103 .cd_irq_str = "PCMCIA0 CD",
104},
105};
106
a63ae442
RP
107static struct scoop_pcmcia_config corgi_pcmcia_config = {
108 .devs = &corgi_pcmcia_scoop[0],
109 .num_devs = 1,
110 .pcmcia_init = corgi_pcmcia_init,
1da177e4
LT
111};
112
a63ae442
RP
113EXPORT_SYMBOL(corgiscoop_device);
114
1da177e4
LT
115
116/*
117 * Corgi SSP Device
118 *
119 * Set the parent as the scoop device because a lot of SSP devices
120 * also use scoop functions and this makes the power up/down order
121 * work correctly.
122 */
41b1bce8 123struct platform_device corgissp_device = {
1da177e4
LT
124 .name = "corgi-ssp",
125 .dev = {
126 .parent = &corgiscoop_device.dev,
127 },
128 .id = -1,
129};
130
50a5de44
RP
131struct corgissp_machinfo corgi_ssp_machinfo = {
132 .port = 1,
133 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
134 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
135 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
136 .clk_lcdcon = 76,
137 .clk_ads7846 = 2,
138 .clk_max1111 = 8,
139};
140
1da177e4 141
1da177e4
LT
142/*
143 * Corgi Backlight Device
144 */
1351e6e0
RP
145static struct corgibl_machinfo corgi_bl_machinfo = {
146 .max_intensity = 0x2f,
2c0f5fb0
RP
147 .default_intensity = 0x1f,
148 .limit_mask = 0x0b,
1351e6e0
RP
149 .set_bl_intensity = corgi_bl_set_intensity,
150};
151
1da177e4
LT
152static struct platform_device corgibl_device = {
153 .name = "corgi-bl",
154 .dev = {
155 .parent = &corgifb_device.dev,
1351e6e0 156 .platform_data = &corgi_bl_machinfo,
1da177e4
LT
157 },
158 .id = -1,
159};
160
161
f7ceff34
RP
162/*
163 * Corgi Keyboard Device
164 */
165static struct platform_device corgikbd_device = {
166 .name = "corgi-keyboard",
167 .id = -1,
168};
169
170
3179108d
RP
171/*
172 * Corgi LEDs
173 */
174static struct platform_device corgiled_device = {
175 .name = "corgi-led",
176 .id = -1,
177};
178
f7ceff34
RP
179/*
180 * Corgi Touch Screen Device
181 */
513b6e1a
RP
182static struct resource corgits_resources[] = {
183 [0] = {
184 .start = CORGI_IRQ_GPIO_TP_INT,
185 .end = CORGI_IRQ_GPIO_TP_INT,
186 .flags = IORESOURCE_IRQ,
187 },
188};
189
190static struct corgits_machinfo corgi_ts_machinfo = {
191 .get_hsync_len = corgi_get_hsync_len,
192 .put_hsync = corgi_put_hsync,
193 .wait_hsync = corgi_wait_hsync,
194};
195
f7ceff34
RP
196static struct platform_device corgits_device = {
197 .name = "corgi-ts",
198 .dev = {
199 .parent = &corgissp_device.dev,
513b6e1a 200 .platform_data = &corgi_ts_machinfo,
f7ceff34
RP
201 },
202 .id = -1,
513b6e1a
RP
203 .num_resources = ARRAY_SIZE(corgits_resources),
204 .resource = corgits_resources,
f7ceff34
RP
205};
206
207
1da177e4
LT
208/*
209 * MMC/SD Device
210 *
aa6c2e79 211 * The card detect interrupt isn't debounced so we delay it by 250ms
1da177e4
LT
212 * to give the card a chance to fully insert/eject.
213 */
aa6c2e79 214static struct pxamci_platform_data corgi_mci_platform_data;
1da177e4 215
40220c1a 216static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
1da177e4
LT
217{
218 int err;
219
220 /* setup GPIO for PXA25x MMC controller */
221 pxa_gpio_mode(GPIO6_MMCCLK_MD);
222 pxa_gpio_mode(GPIO8_MMCCS0_MD);
223 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
224 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
225
aa6c2e79 226 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
1da177e4 227
9ded96f2 228 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
52e405ea 229 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
9ded96f2 230 "MMC card detect", data);
1da177e4
LT
231 if (err) {
232 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
233 return -1;
234 }
235
1da177e4
LT
236 return 0;
237}
238
239static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
240{
241 struct pxamci_platform_data* p_d = dev->platform_data;
242
fdce05bb 243 if (( 1 << vdd) & p_d->ocr_mask)
1da177e4 244 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
fdce05bb 245 else
1da177e4 246 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
1da177e4
LT
247}
248
3870ee8c
RP
249static int corgi_mci_get_ro(struct device *dev)
250{
251 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
252}
253
1da177e4
LT
254static void corgi_mci_exit(struct device *dev, void *data)
255{
256 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
1da177e4
LT
257}
258
259static struct pxamci_platform_data corgi_mci_platform_data = {
260 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
261 .init = corgi_mci_init,
3870ee8c 262 .get_ro = corgi_mci_get_ro,
1da177e4
LT
263 .setpower = corgi_mci_setpower,
264 .exit = corgi_mci_exit,
265};
266
267
ca1140b5
RP
268/*
269 * Irda
270 */
271static void corgi_irda_transceiver_mode(struct device *dev, int mode)
272{
273 if (mode & IR_OFF)
274 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
275 else
276 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
277}
278
279static struct pxaficp_platform_data corgi_ficp_platform_data = {
280 .transceiver_cap = IR_SIRMODE | IR_OFF,
281 .transceiver_mode = corgi_irda_transceiver_mode,
282};
283
f7ceff34 284
1da177e4
LT
285/*
286 * USB Device Controller
287 */
1da177e4
LT
288static struct pxa2xx_udc_mach_info udc_info __initdata = {
289 /* no connect GPIO; corgi can't tell connection status */
b2bbb20b 290 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
1da177e4
LT
291};
292
293
294static struct platform_device *devices[] __initdata = {
295 &corgiscoop_device,
296 &corgissp_device,
297 &corgifb_device,
f7ceff34 298 &corgikbd_device,
1da177e4 299 &corgibl_device,
f7ceff34 300 &corgits_device,
3179108d 301 &corgiled_device,
1da177e4
LT
302};
303
74617fb6
RP
304static void corgi_poweroff(void)
305{
306 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
307
308 if (!machine_is_corgi())
309 /* Green LED off tells the bootloader to halt */
310 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
311 arm_machine_restart('h');
312}
313
314static void corgi_restart(char mode)
315{
316 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
317
318 if (!machine_is_corgi())
319 /* Green LED on tells the bootloader to reboot */
320 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
321 arm_machine_restart('h');
322}
323
1da177e4
LT
324static void __init corgi_init(void)
325{
74617fb6
RP
326 pm_power_off = corgi_poweroff;
327 arm_pm_restart = corgi_restart;
328
fdce05bb
RP
329 /* setup sleep mode values */
330 PWER = 0x00000002;
331 PFER = 0x00000000;
332 PRER = 0x00000002;
333 PGSR0 = 0x0158C000;
334 PGSR1 = 0x00FF0080;
335 PGSR2 = 0x0001C004;
336 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
337 PCFR |= PCFR_OPDE;
338
50a5de44
RP
339 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
340
ca1140b5 341 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
513b6e1a 342 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
ca1140b5 343
1da177e4
LT
344 pxa_set_udc_info(&udc_info);
345 pxa_set_mci_info(&corgi_mci_platform_data);
ca1140b5 346 pxa_set_ficp_info(&corgi_ficp_platform_data);
1da177e4 347
a63ae442 348 platform_scoop_config = &corgi_pcmcia_config;
0ce7625f 349
1da177e4
LT
350 platform_add_devices(devices, ARRAY_SIZE(devices));
351}
352
353static void __init fixup_corgi(struct machine_desc *desc,
354 struct tag *tags, char **cmdline, struct meminfo *mi)
355{
356 sharpsl_save_param();
357 mi->nr_banks=1;
358 mi->bank[0].start = 0xa0000000;
359 mi->bank[0].node = 0;
360 if (machine_is_corgi())
361 mi->bank[0].size = (32*1024*1024);
362 else
363 mi->bank[0].size = (64*1024*1024);
364}
365
1da177e4
LT
366#ifdef CONFIG_MACH_CORGI
367MACHINE_START(CORGI, "SHARP Corgi")
e9dea0c6 368 .phys_io = 0x40000000,
68070bde 369 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 370 .fixup = fixup_corgi,
fdce05bb 371 .map_io = pxa_map_io,
cd49104d 372 .init_irq = pxa25x_init_irq,
e9dea0c6
RK
373 .init_machine = corgi_init,
374 .timer = &pxa_timer,
1da177e4
LT
375MACHINE_END
376#endif
377
378#ifdef CONFIG_MACH_SHEPHERD
379MACHINE_START(SHEPHERD, "SHARP Shepherd")
e9dea0c6 380 .phys_io = 0x40000000,
68070bde 381 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 382 .fixup = fixup_corgi,
fdce05bb 383 .map_io = pxa_map_io,
cd49104d 384 .init_irq = pxa25x_init_irq,
e9dea0c6
RK
385 .init_machine = corgi_init,
386 .timer = &pxa_timer,
1da177e4
LT
387MACHINE_END
388#endif
389
390#ifdef CONFIG_MACH_HUSKY
391MACHINE_START(HUSKY, "SHARP Husky")
e9dea0c6 392 .phys_io = 0x40000000,
68070bde 393 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 394 .fixup = fixup_corgi,
fdce05bb 395 .map_io = pxa_map_io,
cd49104d 396 .init_irq = pxa25x_init_irq,
e9dea0c6
RK
397 .init_machine = corgi_init,
398 .timer = &pxa_timer,
1da177e4
LT
399MACHINE_END
400#endif
401