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authorVegard Nossum <vegard.nossum@gmail.com>2009-06-15 09:50:49 -0400
committerVegard Nossum <vegard.nossum@gmail.com>2009-06-15 09:50:49 -0400
commit722f2a6c87f34ee0fd0130a8cf45f81e0705594a (patch)
tree50b054df34d2731eb0ba0cf1a6c27e43e7eed428 /arch/arm/mach-pxa/littleton.c
parent7a0aeb14e18ad59394bd9bbc6e57fb345819e748 (diff)
parent45e3e1935e2857c54783291107d33323b3ef33c8 (diff)
Merge commit 'linus/master' into HEAD
Conflicts: MAINTAINERS Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa/littleton.c')
-rw-r--r--arch/arm/mach-pxa/littleton.c82
1 files changed, 65 insertions, 17 deletions
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index c872b9feb4d4..55b3788fd1ae 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -42,14 +42,17 @@
42#include <mach/pxa300.h> 42#include <mach/pxa300.h>
43#include <mach/pxafb.h> 43#include <mach/pxafb.h>
44#include <mach/ssp.h> 44#include <mach/ssp.h>
45#include <mach/mmc.h>
45#include <mach/pxa2xx_spi.h> 46#include <mach/pxa2xx_spi.h>
46#include <mach/i2c.h> 47#include <plat/i2c.h>
47#include <mach/pxa27x_keypad.h> 48#include <mach/pxa27x_keypad.h>
48#include <mach/pxa3xx_nand.h> 49#include <mach/pxa3xx_nand.h>
49#include <mach/littleton.h> 50#include <mach/littleton.h>
50 51
51#include "generic.h" 52#include "generic.h"
52 53
54#define GPIO_MMC1_CARD_DETECT mfp_to_gpio(MFP_PIN_GPIO15)
55
53/* Littleton MFP configurations */ 56/* Littleton MFP configurations */
54static mfp_cfg_t littleton_mfp_cfg[] __initdata = { 57static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
55 /* LCD */ 58 /* LCD */
@@ -98,6 +101,15 @@ static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
98 GPIO123_KP_MKOUT_2, 101 GPIO123_KP_MKOUT_2,
99 GPIO124_KP_MKOUT_3, 102 GPIO124_KP_MKOUT_3,
100 GPIO125_KP_MKOUT_4, 103 GPIO125_KP_MKOUT_4,
104
105 /* MMC1 */
106 GPIO3_MMC1_DAT0,
107 GPIO4_MMC1_DAT1,
108 GPIO5_MMC1_DAT2,
109 GPIO6_MMC1_DAT3,
110 GPIO7_MMC1_CLK,
111 GPIO8_MMC1_CMD,
112 GPIO15_GPIO, /* card detect */
101}; 113};
102 114
103static struct resource smc91x_resources[] = { 115static struct resource smc91x_resources[] = {
@@ -179,15 +191,10 @@ static struct pxa2xx_spi_master littleton_spi_info = {
179 .num_chipselect = 1, 191 .num_chipselect = 1,
180}; 192};
181 193
182static void littleton_tdo24m_cs(u32 cmd)
183{
184 gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT));
185}
186
187static struct pxa2xx_spi_chip littleton_tdo24m_chip = { 194static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
188 .rx_threshold = 1, 195 .rx_threshold = 1,
189 .tx_threshold = 1, 196 .tx_threshold = 1,
190 .cs_control = littleton_tdo24m_cs, 197 .gpio_cs = LITTLETON_GPIO_LCD_CS,
191}; 198};
192 199
193static struct spi_board_info littleton_spi_devices[] __initdata = { 200static struct spi_board_info littleton_spi_devices[] __initdata = {
@@ -202,16 +209,6 @@ static struct spi_board_info littleton_spi_devices[] __initdata = {
202 209
203static void __init littleton_init_spi(void) 210static void __init littleton_init_spi(void)
204{ 211{
205 int err;
206
207 err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS");
208 if (err) {
209 pr_warning("failed to request GPIO for LCS CS\n");
210 return;
211 }
212
213 gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1);
214
215 pxa2xx_set_spi_info(2, &littleton_spi_info); 212 pxa2xx_set_spi_info(2, &littleton_spi_info);
216 spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices)); 213 spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
217} 214}
@@ -267,6 +264,56 @@ static void __init littleton_init_keypad(void)
267static inline void littleton_init_keypad(void) {} 264static inline void littleton_init_keypad(void) {}
268#endif 265#endif
269 266
267#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
268static int littleton_mci_init(struct device *dev,
269 irq_handler_t littleton_detect_int, void *data)
270{
271 int err, gpio_cd = GPIO_MMC1_CARD_DETECT;
272
273 err = gpio_request(gpio_cd, "mmc card detect");
274 if (err)
275 goto err_request_cd;
276
277 gpio_direction_input(gpio_cd);
278
279 err = request_irq(gpio_to_irq(gpio_cd), littleton_detect_int,
280 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
281 "mmc card detect", data);
282 if (err) {
283 dev_err(dev, "failed to request card detect IRQ\n");
284 goto err_request_irq;
285 }
286 return 0;
287
288err_request_irq:
289 gpio_free(gpio_cd);
290err_request_cd:
291 return err;
292}
293
294static void littleton_mci_exit(struct device *dev, void *data)
295{
296 int gpio_cd = GPIO_MMC1_CARD_DETECT;
297
298 free_irq(gpio_to_irq(gpio_cd), data);
299 gpio_free(gpio_cd);
300}
301
302static struct pxamci_platform_data littleton_mci_platform_data = {
303 .detect_delay = 20,
304 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
305 .init = littleton_mci_init,
306 .exit = littleton_mci_exit,
307};
308
309static void __init littleton_init_mmc(void)
310{
311 pxa_set_mci_info(&littleton_mci_platform_data);
312}
313#else
314static inline void littleton_init_mmc(void) {}
315#endif
316
270#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) 317#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
271static struct mtd_partition littleton_nand_partitions[] = { 318static struct mtd_partition littleton_nand_partitions[] = {
272 [0] = { 319 [0] = {
@@ -407,6 +454,7 @@ static void __init littleton_init(void)
407 454
408 littleton_init_spi(); 455 littleton_init_spi();
409 littleton_init_i2c(); 456 littleton_init_i2c();
457 littleton_init_mmc();
410 littleton_init_lcd(); 458 littleton_init_lcd();
411 littleton_init_keypad(); 459 littleton_init_keypad();
412 littleton_init_nand(); 460 littleton_init_nand();