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/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/mmc.h>
37 #include <asm/arch/udc.h>
38 #include <asm/arch/corgi.h>
40 #include <asm/mach/sharpsl_param.h>
41 #include <asm/hardware/scoop.h>
50 static struct resource corgi_scoop_resources[] = {
54 .flags = IORESOURCE_MEM,
58 static struct scoop_config corgi_scoop_setup = {
59 .io_dir = CORGI_SCOOP_IO_DIR,
60 .io_out = CORGI_SCOOP_IO_OUT,
63 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
65 .dev = &corgiscoop_device.dev,
66 .irq = CORGI_IRQ_GPIO_CF_IRQ,
67 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
68 .cd_irq_str = "PCMCIA0 CD",
72 struct platform_device corgiscoop_device = {
73 .name = "sharp-scoop",
76 .platform_data = &corgi_scoop_setup,
78 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
79 .resource = corgi_scoop_resources,
86 * Set the parent as the scoop device because a lot of SSP devices
87 * also use scoop functions and this makes the power up/down order
90 struct platform_device corgissp_device = {
93 .parent = &corgiscoop_device.dev,
98 struct corgissp_machinfo corgi_ssp_machinfo = {
100 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
101 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
102 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
110 * Corgi Backlight Device
112 static struct corgibl_machinfo corgi_bl_machinfo = {
113 .max_intensity = 0x2f,
114 .set_bl_intensity = corgi_bl_set_intensity,
117 static struct platform_device corgibl_device = {
120 .parent = &corgifb_device.dev,
121 .platform_data = &corgi_bl_machinfo,
128 * Corgi Keyboard Device
130 static struct platform_device corgikbd_device = {
131 .name = "corgi-keyboard",
137 * Corgi Touch Screen Device
139 static struct resource corgits_resources[] = {
141 .start = CORGI_IRQ_GPIO_TP_INT,
142 .end = CORGI_IRQ_GPIO_TP_INT,
143 .flags = IORESOURCE_IRQ,
147 static struct corgits_machinfo corgi_ts_machinfo = {
148 .get_hsync_len = corgi_get_hsync_len,
149 .put_hsync = corgi_put_hsync,
150 .wait_hsync = corgi_wait_hsync,
153 static struct platform_device corgits_device = {
156 .parent = &corgissp_device.dev,
157 .platform_data = &corgi_ts_machinfo,
160 .num_resources = ARRAY_SIZE(corgits_resources),
161 .resource = corgits_resources,
168 * The card detect interrupt isn't debounced so we delay it by 250ms
169 * to give the card a chance to fully insert/eject.
171 static struct pxamci_platform_data corgi_mci_platform_data;
173 static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data)
177 /* setup GPIO for PXA25x MMC controller */
178 pxa_gpio_mode(GPIO6_MMCCLK_MD);
179 pxa_gpio_mode(GPIO8_MMCCS0_MD);
180 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
181 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
183 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
185 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, SA_INTERRUPT,
186 "MMC card detect", data);
188 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
192 set_irq_type(CORGI_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
197 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
199 struct pxamci_platform_data* p_d = dev->platform_data;
201 if (( 1 << vdd) & p_d->ocr_mask)
202 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
204 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
207 static int corgi_mci_get_ro(struct device *dev)
209 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
212 static void corgi_mci_exit(struct device *dev, void *data)
214 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
217 static struct pxamci_platform_data corgi_mci_platform_data = {
218 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
219 .init = corgi_mci_init,
220 .get_ro = corgi_mci_get_ro,
221 .setpower = corgi_mci_setpower,
222 .exit = corgi_mci_exit,
228 * USB Device Controller
230 static void corgi_udc_command(int cmd)
233 case PXA2XX_UDC_CMD_CONNECT:
234 GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
236 case PXA2XX_UDC_CMD_DISCONNECT:
237 GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
242 static struct pxa2xx_udc_mach_info udc_info __initdata = {
243 /* no connect GPIO; corgi can't tell connection status */
244 .udc_command = corgi_udc_command,
248 static struct platform_device *devices[] __initdata = {
257 static void __init corgi_init(void)
259 /* setup sleep mode values */
266 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
269 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
271 pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
272 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
273 pxa_set_udc_info(&udc_info);
274 pxa_set_mci_info(&corgi_mci_platform_data);
277 scoop_devs = &corgi_pcmcia_scoop[0];
279 platform_add_devices(devices, ARRAY_SIZE(devices));
282 static void __init fixup_corgi(struct machine_desc *desc,
283 struct tag *tags, char **cmdline, struct meminfo *mi)
285 sharpsl_save_param();
287 mi->bank[0].start = 0xa0000000;
288 mi->bank[0].node = 0;
289 if (machine_is_corgi())
290 mi->bank[0].size = (32*1024*1024);
292 mi->bank[0].size = (64*1024*1024);
295 #ifdef CONFIG_MACH_CORGI
296 MACHINE_START(CORGI, "SHARP Corgi")
297 .phys_ram = 0xa0000000,
298 .phys_io = 0x40000000,
299 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
300 .fixup = fixup_corgi,
301 .map_io = pxa_map_io,
302 .init_irq = pxa_init_irq,
303 .init_machine = corgi_init,
308 #ifdef CONFIG_MACH_SHEPHERD
309 MACHINE_START(SHEPHERD, "SHARP Shepherd")
310 .phys_ram = 0xa0000000,
311 .phys_io = 0x40000000,
312 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
313 .fixup = fixup_corgi,
314 .map_io = pxa_map_io,
315 .init_irq = pxa_init_irq,
316 .init_machine = corgi_init,
321 #ifdef CONFIG_MACH_HUSKY
322 MACHINE_START(HUSKY, "SHARP Husky")
323 .phys_ram = 0xa0000000,
324 .phys_io = 0x40000000,
325 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
326 .fixup = fixup_corgi,
327 .map_io = pxa_map_io,
328 .init_irq = pxa_init_irq,
329 .init_machine = corgi_init,