2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
5 * Copyright (c) 2004-2005 Richard Purdie
7 * Based on Sharp's 2.4 kernel patches/lubbock.c
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.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/major.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
23 #include <asm/setup.h>
24 #include <asm/memory.h>
25 #include <asm/mach-types.h>
26 #include <asm/hardware.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
34 #include <asm/arch/pxa-regs.h>
35 #include <asm/arch/irq.h>
36 #include <asm/arch/irda.h>
37 #include <asm/arch/mmc.h>
38 #include <asm/arch/udc.h>
39 #include <asm/arch/corgi.h>
40 #include <asm/arch/sharpsl.h>
42 #include <asm/mach/sharpsl_param.h>
43 #include <asm/hardware/scoop.h>
52 static struct resource corgi_scoop_resources[] = {
56 .flags = IORESOURCE_MEM,
60 static struct scoop_config corgi_scoop_setup = {
61 .io_dir = CORGI_SCOOP_IO_DIR,
62 .io_out = CORGI_SCOOP_IO_OUT,
65 struct platform_device corgiscoop_device = {
66 .name = "sharp-scoop",
69 .platform_data = &corgi_scoop_setup,
71 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
72 .resource = corgi_scoop_resources,
75 static void corgi_pcmcia_init(void)
77 /* Setup default state of GPIO outputs
78 before we enable them as outputs. */
79 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
80 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
81 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
82 GPIO_bit(GPIO53_nPCE_2);
84 pxa_gpio_mode(GPIO48_nPOE_MD);
85 pxa_gpio_mode(GPIO49_nPWE_MD);
86 pxa_gpio_mode(GPIO50_nPIOR_MD);
87 pxa_gpio_mode(GPIO51_nPIOW_MD);
88 pxa_gpio_mode(GPIO55_nPREG_MD);
89 pxa_gpio_mode(GPIO56_nPWAIT_MD);
90 pxa_gpio_mode(GPIO57_nIOIS16_MD);
91 pxa_gpio_mode(GPIO52_nPCE_1_MD);
92 pxa_gpio_mode(GPIO53_nPCE_2_MD);
93 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
96 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
98 .dev = &corgiscoop_device.dev,
99 .irq = CORGI_IRQ_GPIO_CF_IRQ,
100 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
101 .cd_irq_str = "PCMCIA0 CD",
105 static struct scoop_pcmcia_config corgi_pcmcia_config = {
106 .devs = &corgi_pcmcia_scoop[0],
108 .pcmcia_init = corgi_pcmcia_init,
111 EXPORT_SYMBOL(corgiscoop_device);
117 * Set the parent as the scoop device because a lot of SSP devices
118 * also use scoop functions and this makes the power up/down order
121 struct platform_device corgissp_device = {
124 .parent = &corgiscoop_device.dev,
129 struct corgissp_machinfo corgi_ssp_machinfo = {
131 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
132 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
133 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
141 * Corgi Backlight Device
143 static struct corgibl_machinfo corgi_bl_machinfo = {
144 .max_intensity = 0x2f,
145 .set_bl_intensity = corgi_bl_set_intensity,
148 static struct platform_device corgibl_device = {
151 .parent = &corgifb_device.dev,
152 .platform_data = &corgi_bl_machinfo,
159 * Corgi Keyboard Device
161 static struct platform_device corgikbd_device = {
162 .name = "corgi-keyboard",
168 * Corgi Touch Screen Device
170 static struct resource corgits_resources[] = {
172 .start = CORGI_IRQ_GPIO_TP_INT,
173 .end = CORGI_IRQ_GPIO_TP_INT,
174 .flags = IORESOURCE_IRQ,
178 static struct corgits_machinfo corgi_ts_machinfo = {
179 .get_hsync_len = corgi_get_hsync_len,
180 .put_hsync = corgi_put_hsync,
181 .wait_hsync = corgi_wait_hsync,
184 static struct platform_device corgits_device = {
187 .parent = &corgissp_device.dev,
188 .platform_data = &corgi_ts_machinfo,
191 .num_resources = ARRAY_SIZE(corgits_resources),
192 .resource = corgits_resources,
199 * The card detect interrupt isn't debounced so we delay it by 250ms
200 * to give the card a chance to fully insert/eject.
202 static struct pxamci_platform_data corgi_mci_platform_data;
204 static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data)
208 /* setup GPIO for PXA25x MMC controller */
209 pxa_gpio_mode(GPIO6_MMCCLK_MD);
210 pxa_gpio_mode(GPIO8_MMCCS0_MD);
211 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
212 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
214 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
216 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
217 SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
218 "MMC card detect", data);
220 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
227 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
229 struct pxamci_platform_data* p_d = dev->platform_data;
231 if (( 1 << vdd) & p_d->ocr_mask)
232 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
234 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
237 static int corgi_mci_get_ro(struct device *dev)
239 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
242 static void corgi_mci_exit(struct device *dev, void *data)
244 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
247 static struct pxamci_platform_data corgi_mci_platform_data = {
248 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
249 .init = corgi_mci_init,
250 .get_ro = corgi_mci_get_ro,
251 .setpower = corgi_mci_setpower,
252 .exit = corgi_mci_exit,
259 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
262 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
264 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
267 static struct pxaficp_platform_data corgi_ficp_platform_data = {
268 .transceiver_cap = IR_SIRMODE | IR_OFF,
269 .transceiver_mode = corgi_irda_transceiver_mode,
274 * USB Device Controller
276 static void corgi_udc_command(int cmd)
279 case PXA2XX_UDC_CMD_CONNECT:
280 GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
282 case PXA2XX_UDC_CMD_DISCONNECT:
283 GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
288 static struct pxa2xx_udc_mach_info udc_info __initdata = {
289 /* no connect GPIO; corgi can't tell connection status */
290 .udc_command = corgi_udc_command,
294 static struct platform_device *devices[] __initdata = {
303 static void __init corgi_init(void)
305 /* setup sleep mode values */
312 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
315 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
317 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
318 pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
319 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
321 pxa_set_udc_info(&udc_info);
322 pxa_set_mci_info(&corgi_mci_platform_data);
323 pxa_set_ficp_info(&corgi_ficp_platform_data);
325 platform_scoop_config = &corgi_pcmcia_config;
327 platform_add_devices(devices, ARRAY_SIZE(devices));
330 static void __init fixup_corgi(struct machine_desc *desc,
331 struct tag *tags, char **cmdline, struct meminfo *mi)
333 sharpsl_save_param();
335 mi->bank[0].start = 0xa0000000;
336 mi->bank[0].node = 0;
337 if (machine_is_corgi())
338 mi->bank[0].size = (32*1024*1024);
340 mi->bank[0].size = (64*1024*1024);
343 #ifdef CONFIG_MACH_CORGI
344 MACHINE_START(CORGI, "SHARP Corgi")
345 .phys_io = 0x40000000,
346 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
347 .fixup = fixup_corgi,
348 .map_io = pxa_map_io,
349 .init_irq = pxa_init_irq,
350 .init_machine = corgi_init,
355 #ifdef CONFIG_MACH_SHEPHERD
356 MACHINE_START(SHEPHERD, "SHARP Shepherd")
357 .phys_io = 0x40000000,
358 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
359 .fixup = fixup_corgi,
360 .map_io = pxa_map_io,
361 .init_irq = pxa_init_irq,
362 .init_machine = corgi_init,
367 #ifdef CONFIG_MACH_HUSKY
368 MACHINE_START(HUSKY, "SHARP Husky")
369 .phys_io = 0x40000000,
370 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
371 .fixup = fixup_corgi,
372 .map_io = pxa_map_io,
373 .init_irq = pxa_init_irq,
374 .init_machine = corgi_init,