2 * linux/arch/arm/mach-pxa/cm-x270.c
4 * Copyright (C) 2007, 2008 CompuLab, Ltd.
5 * Mike Rapoport <mike@compulab.co.il>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/platform_device.h>
13 #include <linux/sysdev.h>
14 #include <linux/irq.h>
15 #include <linux/gpio.h>
16 #include <linux/delay.h>
18 #include <linux/rtc-v3020.h>
19 #include <video/mbxfb.h>
21 #include <linux/spi/spi.h>
22 #include <linux/spi/libertas_spi.h>
24 #include <mach/pxa27x.h>
25 #include <mach/ohci.h>
27 #include <mach/pxa2xx_spi.h>
31 /* physical address if local-bus attached devices */
32 #define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
35 #define GPIO83_MMC_IRQ (83)
37 #define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
39 /* MMC power enable */
40 #define GPIO105_MMC_POWER (105)
43 #define GPIO19_WLAN_STRAP (19)
44 #define GPIO102_WLAN_RST (102)
46 static unsigned long cmx270_pin_config[] = {
49 GPIO29_AC97_SDATA_IN_0,
50 GPIO30_AC97_SDATA_OUT,
87 GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */
103 /* SDRAM and local bus */
113 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
114 GPIO105_GPIO | MFP_LPM_DRIVE_HIGH, /* MMC/SD power */
115 GPIO53_GPIO, /* PC card reset */
116 GPIO102_GPIO, /* WLAN reset */
119 GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
120 GPIO89_GPIO, /* NAND Ready/Busy */
123 GPIO10_GPIO, /* DM9000 interrupt */
124 GPIO83_GPIO, /* MMC card detect */
125 GPIO95_GPIO, /* WLAN interrupt */
129 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
130 static struct resource cmx270_v3020_resource[] = {
132 .start = RTC_PHYS_BASE,
133 .end = RTC_PHYS_BASE + 4,
134 .flags = IORESOURCE_MEM,
138 struct v3020_platform_data cmx270_v3020_pdata = {
142 static struct platform_device cmx270_rtc_device = {
144 .num_resources = ARRAY_SIZE(cmx270_v3020_resource),
145 .resource = cmx270_v3020_resource,
148 .platform_data = &cmx270_v3020_pdata,
152 static void __init cmx270_init_rtc(void)
154 platform_device_register(&cmx270_rtc_device);
157 static inline void cmx270_init_rtc(void) {}
161 #if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
162 static u64 fb_dma_mask = ~(u64)0;
164 static struct resource cmx270_2700G_resource[] = {
165 /* frame buffer memory including ODFB and External SDRAM */
167 .start = PXA_CS2_PHYS,
168 .end = PXA_CS2_PHYS + 0x01ffffff,
169 .flags = IORESOURCE_MEM,
171 /* Marathon registers */
173 .start = PXA_CS2_PHYS + 0x03fe0000,
174 .end = PXA_CS2_PHYS + 0x03ffffff,
175 .flags = IORESOURCE_MEM,
179 static unsigned long cmx270_marathon_on[] = {
202 static unsigned long cmx270_marathon_off[] = {
203 GPIOxx_LCD_TFT_16BPP,
206 static int cmx270_marathon_probe(struct fb_info *fb)
210 for (gpio = 58; gpio <= 77; gpio++) {
211 err = gpio_request(gpio, "LCD");
214 gpio_direction_input(gpio);
217 pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_on));
221 static int cmx270_marathon_remove(struct fb_info *fb)
225 pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_off));
227 for (gpio = 58; gpio <= 77; gpio++)
233 static struct mbxfb_platform_data cmx270_2700G_data = {
249 .memsize = 8*1024*1024,
250 .probe = cmx270_marathon_probe,
251 .remove = cmx270_marathon_remove,
254 static struct platform_device cmx270_2700G = {
257 .platform_data = &cmx270_2700G_data,
258 .dma_mask = &fb_dma_mask,
259 .coherent_dma_mask = 0xffffffff,
261 .num_resources = ARRAY_SIZE(cmx270_2700G_resource),
262 .resource = cmx270_2700G_resource,
266 static void __init cmx270_init_2700G(void)
268 platform_device_register(&cmx270_2700G);
271 static inline void cmx270_init_2700G(void) {}
274 /* PXA27x OHCI controller setup */
275 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
276 static struct pxaohci_platform_data cmx270_ohci_platform_data = {
277 .port_mode = PMM_PERPORT_MODE,
278 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
281 static void __init cmx270_init_ohci(void)
283 pxa_set_ohci_info(&cmx270_ohci_platform_data);
286 static inline void cmx270_init_ohci(void) {}
289 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
290 static struct pxamci_platform_data cmx270_mci_platform_data = {
291 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
292 .gpio_card_detect = GPIO83_MMC_IRQ,
294 .gpio_power = GPIO105_MMC_POWER,
295 .gpio_power_invert = 1,
298 static void __init cmx270_init_mmc(void)
300 pxa_set_mci_info(&cmx270_mci_platform_data);
303 static inline void cmx270_init_mmc(void) {}
306 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
307 static struct pxa2xx_spi_master cm_x270_spi_info = {
312 static struct pxa2xx_spi_chip cm_x270_libertas_chip = {
319 static unsigned long cm_x270_libertas_pin_config[] = {
328 static int cm_x270_libertas_setup(struct spi_device *spi)
330 int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
334 err = gpio_request(GPIO102_WLAN_RST, "WLAN RST");
338 err = gpio_direction_output(GPIO102_WLAN_RST, 0);
343 err = gpio_direction_output(GPIO19_WLAN_STRAP, 1);
348 pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config));
350 gpio_set_value(GPIO102_WLAN_RST, 1);
353 spi->bits_per_word = 16;
359 gpio_free(GPIO19_WLAN_STRAP);
364 static int cm_x270_libertas_teardown(struct spi_device *spi)
366 gpio_set_value(GPIO102_WLAN_RST, 0);
367 gpio_free(GPIO102_WLAN_RST);
368 gpio_free(GPIO19_WLAN_STRAP);
373 struct libertas_spi_platform_data cm_x270_libertas_pdata = {
374 .use_dummy_writes = 1,
375 .setup = cm_x270_libertas_setup,
376 .teardown = cm_x270_libertas_teardown,
379 static struct spi_board_info cm_x270_spi_devices[] __initdata = {
381 .modalias = "libertas_spi",
382 .max_speed_hz = 13000000,
384 .irq = gpio_to_irq(95),
386 .controller_data = &cm_x270_libertas_chip,
387 .platform_data = &cm_x270_libertas_pdata,
391 static void __init cmx270_init_spi(void)
393 pxa2xx_set_spi_info(2, &cm_x270_spi_info);
394 spi_register_board_info(ARRAY_AND_SIZE(cm_x270_spi_devices));
397 static inline void cmx270_init_spi(void) {}
400 void __init cmx270_init(void)
402 pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
405 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);