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 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
67 .dev = &corgiscoop_device.dev,
68 .irq = CORGI_IRQ_GPIO_CF_IRQ,
69 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
70 .cd_irq_str = "PCMCIA0 CD",
74 struct platform_device corgiscoop_device = {
75 .name = "sharp-scoop",
78 .platform_data = &corgi_scoop_setup,
80 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
81 .resource = corgi_scoop_resources,
88 * Set the parent as the scoop device because a lot of SSP devices
89 * also use scoop functions and this makes the power up/down order
92 struct platform_device corgissp_device = {
95 .parent = &corgiscoop_device.dev,
100 struct corgissp_machinfo corgi_ssp_machinfo = {
102 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
103 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
104 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
112 * Corgi Backlight Device
114 static struct corgibl_machinfo corgi_bl_machinfo = {
115 .max_intensity = 0x2f,
116 .set_bl_intensity = corgi_bl_set_intensity,
119 static struct platform_device corgibl_device = {
122 .parent = &corgifb_device.dev,
123 .platform_data = &corgi_bl_machinfo,
130 * Corgi Keyboard Device
132 static struct platform_device corgikbd_device = {
133 .name = "corgi-keyboard",
139 * Corgi Touch Screen Device
141 static struct resource corgits_resources[] = {
143 .start = CORGI_IRQ_GPIO_TP_INT,
144 .end = CORGI_IRQ_GPIO_TP_INT,
145 .flags = IORESOURCE_IRQ,
149 static struct corgits_machinfo corgi_ts_machinfo = {
150 .get_hsync_len = corgi_get_hsync_len,
151 .put_hsync = corgi_put_hsync,
152 .wait_hsync = corgi_wait_hsync,
155 static struct platform_device corgits_device = {
158 .parent = &corgissp_device.dev,
159 .platform_data = &corgi_ts_machinfo,
162 .num_resources = ARRAY_SIZE(corgits_resources),
163 .resource = corgits_resources,
170 * The card detect interrupt isn't debounced so we delay it by 250ms
171 * to give the card a chance to fully insert/eject.
173 static struct pxamci_platform_data corgi_mci_platform_data;
175 static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data)
179 /* setup GPIO for PXA25x MMC controller */
180 pxa_gpio_mode(GPIO6_MMCCLK_MD);
181 pxa_gpio_mode(GPIO8_MMCCS0_MD);
182 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
183 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
185 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
187 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, SA_INTERRUPT,
188 "MMC card detect", data);
190 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
194 set_irq_type(CORGI_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
199 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
201 struct pxamci_platform_data* p_d = dev->platform_data;
203 if (( 1 << vdd) & p_d->ocr_mask)
204 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
206 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
209 static int corgi_mci_get_ro(struct device *dev)
211 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
214 static void corgi_mci_exit(struct device *dev, void *data)
216 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
219 static struct pxamci_platform_data corgi_mci_platform_data = {
220 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
221 .init = corgi_mci_init,
222 .get_ro = corgi_mci_get_ro,
223 .setpower = corgi_mci_setpower,
224 .exit = corgi_mci_exit,
231 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
234 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
236 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
239 static struct pxaficp_platform_data corgi_ficp_platform_data = {
240 .transceiver_cap = IR_SIRMODE | IR_OFF,
241 .transceiver_mode = corgi_irda_transceiver_mode,
246 * USB Device Controller
248 static void corgi_udc_command(int cmd)
251 case PXA2XX_UDC_CMD_CONNECT:
252 GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
254 case PXA2XX_UDC_CMD_DISCONNECT:
255 GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
260 static struct pxa2xx_udc_mach_info udc_info __initdata = {
261 /* no connect GPIO; corgi can't tell connection status */
262 .udc_command = corgi_udc_command,
266 static struct platform_device *devices[] __initdata = {
275 static void __init corgi_init(void)
277 /* setup sleep mode values */
284 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
287 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
289 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
290 pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
291 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
293 pxa_set_udc_info(&udc_info);
294 pxa_set_mci_info(&corgi_mci_platform_data);
295 pxa_set_ficp_info(&corgi_ficp_platform_data);
298 scoop_devs = &corgi_pcmcia_scoop[0];
300 platform_add_devices(devices, ARRAY_SIZE(devices));
303 static void __init fixup_corgi(struct machine_desc *desc,
304 struct tag *tags, char **cmdline, struct meminfo *mi)
306 sharpsl_save_param();
308 mi->bank[0].start = 0xa0000000;
309 mi->bank[0].node = 0;
310 if (machine_is_corgi())
311 mi->bank[0].size = (32*1024*1024);
313 mi->bank[0].size = (64*1024*1024);
316 #ifdef CONFIG_MACH_CORGI
317 MACHINE_START(CORGI, "SHARP Corgi")
318 .phys_ram = 0xa0000000,
319 .phys_io = 0x40000000,
320 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
321 .fixup = fixup_corgi,
322 .map_io = pxa_map_io,
323 .init_irq = pxa_init_irq,
324 .init_machine = corgi_init,
329 #ifdef CONFIG_MACH_SHEPHERD
330 MACHINE_START(SHEPHERD, "SHARP Shepherd")
331 .phys_ram = 0xa0000000,
332 .phys_io = 0x40000000,
333 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
334 .fixup = fixup_corgi,
335 .map_io = pxa_map_io,
336 .init_irq = pxa_init_irq,
337 .init_machine = corgi_init,
342 #ifdef CONFIG_MACH_HUSKY
343 MACHINE_START(HUSKY, "SHARP Husky")
344 .phys_ram = 0xa0000000,
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,