diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-omap2/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-3430sdp.c | 65 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-cm-t35.c | 58 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-devkit8000.c | 56 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-ldp.c | 57 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-omap3evm.c | 51 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-omap3pandora.c | 49 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-omap3stalker.c | 49 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-omap3touchbook.c | 36 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-overo.c | 46 | ||||
-rw-r--r-- | arch/arm/mach-omap2/common-board-devices.c | 85 | ||||
-rw-r--r-- | arch/arm/mach-omap2/common-board-devices.h | 18 |
12 files changed, 128 insertions, 444 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index a45cd6409686..a0c2caefc747 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile | |||
@@ -270,3 +270,5 @@ obj-$(CONFIG_ARCH_OMAP4) += hwspinlock.o | |||
270 | 270 | ||
271 | disp-$(CONFIG_OMAP2_DSS) := display.o | 271 | disp-$(CONFIG_OMAP2_DSS) := display.o |
272 | obj-y += $(disp-m) $(disp-y) | 272 | obj-y += $(disp-m) $(disp-y) |
273 | |||
274 | obj-y += common-board-devices.o | ||
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index 9afd087cc29c..3726465d34e3 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c | |||
@@ -19,7 +19,6 @@ | |||
19 | #include <linux/input.h> | 19 | #include <linux/input.h> |
20 | #include <linux/input/matrix_keypad.h> | 20 | #include <linux/input/matrix_keypad.h> |
21 | #include <linux/spi/spi.h> | 21 | #include <linux/spi/spi.h> |
22 | #include <linux/spi/ads7846.h> | ||
23 | #include <linux/i2c/twl.h> | 22 | #include <linux/i2c/twl.h> |
24 | #include <linux/regulator/machine.h> | 23 | #include <linux/regulator/machine.h> |
25 | #include <linux/io.h> | 24 | #include <linux/io.h> |
@@ -48,6 +47,7 @@ | |||
48 | #include "hsmmc.h" | 47 | #include "hsmmc.h" |
49 | #include "pm.h" | 48 | #include "pm.h" |
50 | #include "control.h" | 49 | #include "control.h" |
50 | #include "common-board-devices.h" | ||
51 | 51 | ||
52 | #define CONFIG_DISABLE_HFCLK 1 | 52 | #define CONFIG_DISABLE_HFCLK 1 |
53 | 53 | ||
@@ -123,58 +123,6 @@ static struct twl4030_keypad_data sdp3430_kp_data = { | |||
123 | .rep = 1, | 123 | .rep = 1, |
124 | }; | 124 | }; |
125 | 125 | ||
126 | static int ts_gpio; /* Needed for ads7846_get_pendown_state */ | ||
127 | |||
128 | /** | ||
129 | * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq | ||
130 | * | ||
131 | * @return - void. If request gpio fails then Flag KERN_ERR. | ||
132 | */ | ||
133 | static void ads7846_dev_init(void) | ||
134 | { | ||
135 | if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) { | ||
136 | printk(KERN_ERR "can't get ads746 pen down GPIO\n"); | ||
137 | return; | ||
138 | } | ||
139 | |||
140 | gpio_direction_input(ts_gpio); | ||
141 | gpio_set_debounce(ts_gpio, 310); | ||
142 | } | ||
143 | |||
144 | static int ads7846_get_pendown_state(void) | ||
145 | { | ||
146 | return !gpio_get_value(ts_gpio); | ||
147 | } | ||
148 | |||
149 | static struct ads7846_platform_data tsc2046_config __initdata = { | ||
150 | .get_pendown_state = ads7846_get_pendown_state, | ||
151 | .keep_vref_on = 1, | ||
152 | .wakeup = true, | ||
153 | }; | ||
154 | |||
155 | |||
156 | static struct omap2_mcspi_device_config tsc2046_mcspi_config = { | ||
157 | .turbo_mode = 0, | ||
158 | .single_channel = 1, /* 0: slave, 1: master */ | ||
159 | }; | ||
160 | |||
161 | static struct spi_board_info sdp3430_spi_board_info[] __initdata = { | ||
162 | [0] = { | ||
163 | /* | ||
164 | * TSC2046 operates at a max freqency of 2MHz, so | ||
165 | * operate slightly below at 1.5MHz | ||
166 | */ | ||
167 | .modalias = "ads7846", | ||
168 | .bus_num = 1, | ||
169 | .chip_select = 0, | ||
170 | .max_speed_hz = 1500000, | ||
171 | .controller_data = &tsc2046_mcspi_config, | ||
172 | .irq = 0, | ||
173 | .platform_data = &tsc2046_config, | ||
174 | }, | ||
175 | }; | ||
176 | |||
177 | |||
178 | #define SDP3430_LCD_PANEL_BACKLIGHT_GPIO 8 | 126 | #define SDP3430_LCD_PANEL_BACKLIGHT_GPIO 8 |
179 | #define SDP3430_LCD_PANEL_ENABLE_GPIO 5 | 127 | #define SDP3430_LCD_PANEL_ENABLE_GPIO 5 |
180 | 128 | ||
@@ -880,6 +828,8 @@ static struct omap_musb_board_data musb_board_data = { | |||
880 | 828 | ||
881 | static void __init omap_3430sdp_init(void) | 829 | static void __init omap_3430sdp_init(void) |
882 | { | 830 | { |
831 | int gpio_pendown; | ||
832 | |||
883 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); | 833 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
884 | omap_board_config = sdp3430_config; | 834 | omap_board_config = sdp3430_config; |
885 | omap_board_config_size = ARRAY_SIZE(sdp3430_config); | 835 | omap_board_config_size = ARRAY_SIZE(sdp3430_config); |
@@ -887,13 +837,10 @@ static void __init omap_3430sdp_init(void) | |||
887 | omap3430_i2c_init(); | 837 | omap3430_i2c_init(); |
888 | omap_display_init(&sdp3430_dss_data); | 838 | omap_display_init(&sdp3430_dss_data); |
889 | if (omap_rev() > OMAP3430_REV_ES1_0) | 839 | if (omap_rev() > OMAP3430_REV_ES1_0) |
890 | ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2; | 840 | gpio_pendown = SDP3430_TS_GPIO_IRQ_SDPV2; |
891 | else | 841 | else |
892 | ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1; | 842 | gpio_pendown = SDP3430_TS_GPIO_IRQ_SDPV1; |
893 | sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio); | 843 | omap_ads7846_init(1, gpio_pendown, 310, NULL); |
894 | spi_register_board_info(sdp3430_spi_board_info, | ||
895 | ARRAY_SIZE(sdp3430_spi_board_info)); | ||
896 | ads7846_dev_init(); | ||
897 | board_serial_init(); | 844 | board_serial_init(); |
898 | usb_musb_init(&musb_board_data); | 845 | usb_musb_init(&musb_board_data); |
899 | board_smc91x_init(); | 846 | board_smc91x_init(); |
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 7c70f56d628c..4af5cf9ef43a 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c | |||
@@ -54,6 +54,7 @@ | |||
54 | #include "mux.h" | 54 | #include "mux.h" |
55 | #include "sdram-micron-mt46h32m32lf-6.h" | 55 | #include "sdram-micron-mt46h32m32lf-6.h" |
56 | #include "hsmmc.h" | 56 | #include "hsmmc.h" |
57 | #include "common-board-devices.h" | ||
57 | 58 | ||
58 | #define CM_T35_GPIO_PENDOWN 57 | 59 | #define CM_T35_GPIO_PENDOWN 57 |
59 | 60 | ||
@@ -177,61 +178,6 @@ static void __init cm_t35_init_nand(void) | |||
177 | static inline void cm_t35_init_nand(void) {} | 178 | static inline void cm_t35_init_nand(void) {} |
178 | #endif | 179 | #endif |
179 | 180 | ||
180 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ | ||
181 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
182 | #include <linux/spi/ads7846.h> | ||
183 | |||
184 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
185 | .turbo_mode = 0, | ||
186 | .single_channel = 1, /* 0: slave, 1: master */ | ||
187 | }; | ||
188 | |||
189 | static int ads7846_get_pendown_state(void) | ||
190 | { | ||
191 | return !gpio_get_value(CM_T35_GPIO_PENDOWN); | ||
192 | } | ||
193 | |||
194 | static struct ads7846_platform_data ads7846_config = { | ||
195 | .x_max = 0x0fff, | ||
196 | .y_max = 0x0fff, | ||
197 | .x_plate_ohms = 180, | ||
198 | .pressure_max = 255, | ||
199 | .debounce_max = 10, | ||
200 | .debounce_tol = 3, | ||
201 | .debounce_rep = 1, | ||
202 | .get_pendown_state = ads7846_get_pendown_state, | ||
203 | .keep_vref_on = 1, | ||
204 | }; | ||
205 | |||
206 | static struct spi_board_info cm_t35_spi_board_info[] __initdata = { | ||
207 | { | ||
208 | .modalias = "ads7846", | ||
209 | .bus_num = 1, | ||
210 | .chip_select = 0, | ||
211 | .max_speed_hz = 1500000, | ||
212 | .controller_data = &ads7846_mcspi_config, | ||
213 | .irq = OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN), | ||
214 | .platform_data = &ads7846_config, | ||
215 | }, | ||
216 | }; | ||
217 | |||
218 | static void __init cm_t35_init_ads7846(void) | ||
219 | { | ||
220 | if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && | ||
221 | (gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) { | ||
222 | gpio_export(CM_T35_GPIO_PENDOWN, 0); | ||
223 | } else { | ||
224 | pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n"); | ||
225 | return; | ||
226 | } | ||
227 | |||
228 | spi_register_board_info(cm_t35_spi_board_info, | ||
229 | ARRAY_SIZE(cm_t35_spi_board_info)); | ||
230 | } | ||
231 | #else | ||
232 | static inline void cm_t35_init_ads7846(void) {} | ||
233 | #endif | ||
234 | |||
235 | #define CM_T35_LCD_EN_GPIO 157 | 181 | #define CM_T35_LCD_EN_GPIO 157 |
236 | #define CM_T35_LCD_BL_GPIO 58 | 182 | #define CM_T35_LCD_BL_GPIO 58 |
237 | #define CM_T35_DVI_EN_GPIO 54 | 183 | #define CM_T35_DVI_EN_GPIO 54 |
@@ -734,7 +680,7 @@ static void __init cm_t35_init(void) | |||
734 | omap_serial_init(); | 680 | omap_serial_init(); |
735 | cm_t35_init_i2c(); | 681 | cm_t35_init_i2c(); |
736 | cm_t35_init_nand(); | 682 | cm_t35_init_nand(); |
737 | cm_t35_init_ads7846(); | 683 | omap_ads7846_init(1, CM_T35_GPIO_PENDOWN, 0, NULL); |
738 | cm_t35_init_ethernet(); | 684 | cm_t35_init_ethernet(); |
739 | cm_t35_init_led(); | 685 | cm_t35_init_led(); |
740 | cm_t35_init_display(); | 686 | cm_t35_init_display(); |
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 65f9fde2c567..9f8338d15a21 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c | |||
@@ -51,7 +51,6 @@ | |||
51 | #include <plat/mcspi.h> | 51 | #include <plat/mcspi.h> |
52 | #include <linux/input/matrix_keypad.h> | 52 | #include <linux/input/matrix_keypad.h> |
53 | #include <linux/spi/spi.h> | 53 | #include <linux/spi/spi.h> |
54 | #include <linux/spi/ads7846.h> | ||
55 | #include <linux/dm9000.h> | 54 | #include <linux/dm9000.h> |
56 | #include <linux/interrupt.h> | 55 | #include <linux/interrupt.h> |
57 | 56 | ||
@@ -60,6 +59,7 @@ | |||
60 | #include "mux.h" | 59 | #include "mux.h" |
61 | #include "hsmmc.h" | 60 | #include "hsmmc.h" |
62 | #include "timer-gp.h" | 61 | #include "timer-gp.h" |
62 | #include "common-board-devices.h" | ||
63 | 63 | ||
64 | #define NAND_BLOCK_SIZE SZ_128K | 64 | #define NAND_BLOCK_SIZE SZ_128K |
65 | 65 | ||
@@ -463,56 +463,6 @@ static void __init devkit8000_init_irq(void) | |||
463 | #endif | 463 | #endif |
464 | } | 464 | } |
465 | 465 | ||
466 | static void __init devkit8000_ads7846_init(void) | ||
467 | { | ||
468 | int gpio = OMAP3_DEVKIT_TS_GPIO; | ||
469 | int ret; | ||
470 | |||
471 | ret = gpio_request(gpio, "ads7846_pen_down"); | ||
472 | if (ret < 0) { | ||
473 | printk(KERN_ERR "Failed to request GPIO %d for " | ||
474 | "ads7846 pen down IRQ\n", gpio); | ||
475 | return; | ||
476 | } | ||
477 | |||
478 | gpio_direction_input(gpio); | ||
479 | } | ||
480 | |||
481 | static int ads7846_get_pendown_state(void) | ||
482 | { | ||
483 | return !gpio_get_value(OMAP3_DEVKIT_TS_GPIO); | ||
484 | } | ||
485 | |||
486 | static struct ads7846_platform_data ads7846_config = { | ||
487 | .x_max = 0x0fff, | ||
488 | .y_max = 0x0fff, | ||
489 | .x_plate_ohms = 180, | ||
490 | .pressure_max = 255, | ||
491 | .debounce_max = 10, | ||
492 | .debounce_tol = 5, | ||
493 | .debounce_rep = 1, | ||
494 | .get_pendown_state = ads7846_get_pendown_state, | ||
495 | .keep_vref_on = 1, | ||
496 | .settle_delay_usecs = 150, | ||
497 | }; | ||
498 | |||
499 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
500 | .turbo_mode = 0, | ||
501 | .single_channel = 1, /* 0: slave, 1: master */ | ||
502 | }; | ||
503 | |||
504 | static struct spi_board_info devkit8000_spi_board_info[] __initdata = { | ||
505 | { | ||
506 | .modalias = "ads7846", | ||
507 | .bus_num = 2, | ||
508 | .chip_select = 0, | ||
509 | .max_speed_hz = 1500000, | ||
510 | .controller_data = &ads7846_mcspi_config, | ||
511 | .irq = OMAP_GPIO_IRQ(OMAP3_DEVKIT_TS_GPIO), | ||
512 | .platform_data = &ads7846_config, | ||
513 | } | ||
514 | }; | ||
515 | |||
516 | #define OMAP_DM9000_BASE 0x2c000000 | 466 | #define OMAP_DM9000_BASE 0x2c000000 |
517 | 467 | ||
518 | static struct resource omap_dm9000_resources[] = { | 468 | static struct resource omap_dm9000_resources[] = { |
@@ -795,10 +745,8 @@ static void __init devkit8000_init(void) | |||
795 | ARRAY_SIZE(devkit8000_devices)); | 745 | ARRAY_SIZE(devkit8000_devices)); |
796 | 746 | ||
797 | omap_display_init(&devkit8000_dss_data); | 747 | omap_display_init(&devkit8000_dss_data); |
798 | spi_register_board_info(devkit8000_spi_board_info, | ||
799 | ARRAY_SIZE(devkit8000_spi_board_info)); | ||
800 | 748 | ||
801 | devkit8000_ads7846_init(); | 749 | omap_ads7846_init(2, OMAP3_DEVKIT_TS_GPIO, 0, NULL); |
802 | 750 | ||
803 | usb_musb_init(&musb_board_data); | 751 | usb_musb_init(&musb_board_data); |
804 | usbhs_init(&usbhs_bdata); | 752 | usbhs_init(&usbhs_bdata); |
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index ea9f049f9965..155b423784c5 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c | |||
@@ -22,7 +22,6 @@ | |||
22 | #include <linux/err.h> | 22 | #include <linux/err.h> |
23 | #include <linux/clk.h> | 23 | #include <linux/clk.h> |
24 | #include <linux/spi/spi.h> | 24 | #include <linux/spi/spi.h> |
25 | #include <linux/spi/ads7846.h> | ||
26 | #include <linux/regulator/machine.h> | 25 | #include <linux/regulator/machine.h> |
27 | #include <linux/i2c/twl.h> | 26 | #include <linux/i2c/twl.h> |
28 | #include <linux/io.h> | 27 | #include <linux/io.h> |
@@ -49,6 +48,7 @@ | |||
49 | #include "mux.h" | 48 | #include "mux.h" |
50 | #include "hsmmc.h" | 49 | #include "hsmmc.h" |
51 | #include "control.h" | 50 | #include "control.h" |
51 | #include "common-board-devices.h" | ||
52 | 52 | ||
53 | #define LDP_SMSC911X_CS 1 | 53 | #define LDP_SMSC911X_CS 1 |
54 | #define LDP_SMSC911X_GPIO 152 | 54 | #define LDP_SMSC911X_GPIO 152 |
@@ -168,55 +168,6 @@ static struct platform_device ldp_gpio_keys_device = { | |||
168 | }, | 168 | }, |
169 | }; | 169 | }; |
170 | 170 | ||
171 | static int ts_gpio; | ||
172 | |||
173 | /** | ||
174 | * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq | ||
175 | * | ||
176 | * @return - void. If request gpio fails then Flag KERN_ERR. | ||
177 | */ | ||
178 | static void ads7846_dev_init(void) | ||
179 | { | ||
180 | if (gpio_request(ts_gpio, "ads7846 irq") < 0) { | ||
181 | printk(KERN_ERR "can't get ads746 pen down GPIO\n"); | ||
182 | return; | ||
183 | } | ||
184 | |||
185 | gpio_direction_input(ts_gpio); | ||
186 | gpio_set_debounce(ts_gpio, 310); | ||
187 | } | ||
188 | |||
189 | static int ads7846_get_pendown_state(void) | ||
190 | { | ||
191 | return !gpio_get_value(ts_gpio); | ||
192 | } | ||
193 | |||
194 | static struct ads7846_platform_data tsc2046_config __initdata = { | ||
195 | .get_pendown_state = ads7846_get_pendown_state, | ||
196 | .keep_vref_on = 1, | ||
197 | }; | ||
198 | |||
199 | static struct omap2_mcspi_device_config tsc2046_mcspi_config = { | ||
200 | .turbo_mode = 0, | ||
201 | .single_channel = 1, /* 0: slave, 1: master */ | ||
202 | }; | ||
203 | |||
204 | static struct spi_board_info ldp_spi_board_info[] __initdata = { | ||
205 | [0] = { | ||
206 | /* | ||
207 | * TSC2046 operates at a max freqency of 2MHz, so | ||
208 | * operate slightly below at 1.5MHz | ||
209 | */ | ||
210 | .modalias = "ads7846", | ||
211 | .bus_num = 1, | ||
212 | .chip_select = 0, | ||
213 | .max_speed_hz = 1500000, | ||
214 | .controller_data = &tsc2046_mcspi_config, | ||
215 | .irq = 0, | ||
216 | .platform_data = &tsc2046_config, | ||
217 | }, | ||
218 | }; | ||
219 | |||
220 | static struct omap_smsc911x_platform_data smsc911x_cfg = { | 171 | static struct omap_smsc911x_platform_data smsc911x_cfg = { |
221 | .cs = LDP_SMSC911X_CS, | 172 | .cs = LDP_SMSC911X_CS, |
222 | .gpio_irq = LDP_SMSC911X_GPIO, | 173 | .gpio_irq = LDP_SMSC911X_GPIO, |
@@ -399,11 +350,7 @@ static void __init omap_ldp_init(void) | |||
399 | ldp_init_smsc911x(); | 350 | ldp_init_smsc911x(); |
400 | omap_i2c_init(); | 351 | omap_i2c_init(); |
401 | platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); | 352 | platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); |
402 | ts_gpio = 54; | 353 | omap_ads7846_init(1, 54, 310, NULL); |
403 | ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio); | ||
404 | spi_register_board_info(ldp_spi_board_info, | ||
405 | ARRAY_SIZE(ldp_spi_board_info)); | ||
406 | ads7846_dev_init(); | ||
407 | omap_serial_init(); | 354 | omap_serial_init(); |
408 | usb_musb_init(&musb_board_data); | 355 | usb_musb_init(&musb_board_data); |
409 | board_nand_init(ldp_nand_partitions, | 356 | board_nand_init(ldp_nand_partitions, |
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 3fc85c6fc559..376ea87dce68 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c | |||
@@ -50,6 +50,7 @@ | |||
50 | #include "mux.h" | 50 | #include "mux.h" |
51 | #include "sdram-micron-mt46h32m32lf-6.h" | 51 | #include "sdram-micron-mt46h32m32lf-6.h" |
52 | #include "hsmmc.h" | 52 | #include "hsmmc.h" |
53 | #include "common-board-devices.h" | ||
53 | 54 | ||
54 | #define OMAP3_EVM_TS_GPIO 175 | 55 | #define OMAP3_EVM_TS_GPIO 175 |
55 | #define OMAP3_EVM_EHCI_VBUS 22 | 56 | #define OMAP3_EVM_EHCI_VBUS 22 |
@@ -630,51 +631,6 @@ static int __init omap3_evm_i2c_init(void) | |||
630 | return 0; | 631 | return 0; |
631 | } | 632 | } |
632 | 633 | ||
633 | static void ads7846_dev_init(void) | ||
634 | { | ||
635 | if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0) | ||
636 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); | ||
637 | |||
638 | gpio_direction_input(OMAP3_EVM_TS_GPIO); | ||
639 | gpio_set_debounce(OMAP3_EVM_TS_GPIO, 310); | ||
640 | } | ||
641 | |||
642 | static int ads7846_get_pendown_state(void) | ||
643 | { | ||
644 | return !gpio_get_value(OMAP3_EVM_TS_GPIO); | ||
645 | } | ||
646 | |||
647 | static struct ads7846_platform_data ads7846_config = { | ||
648 | .x_max = 0x0fff, | ||
649 | .y_max = 0x0fff, | ||
650 | .x_plate_ohms = 180, | ||
651 | .pressure_max = 255, | ||
652 | .debounce_max = 10, | ||
653 | .debounce_tol = 3, | ||
654 | .debounce_rep = 1, | ||
655 | .get_pendown_state = ads7846_get_pendown_state, | ||
656 | .keep_vref_on = 1, | ||
657 | .settle_delay_usecs = 150, | ||
658 | .wakeup = true, | ||
659 | }; | ||
660 | |||
661 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
662 | .turbo_mode = 0, | ||
663 | .single_channel = 1, /* 0: slave, 1: master */ | ||
664 | }; | ||
665 | |||
666 | static struct spi_board_info omap3evm_spi_board_info[] = { | ||
667 | [0] = { | ||
668 | .modalias = "ads7846", | ||
669 | .bus_num = 1, | ||
670 | .chip_select = 0, | ||
671 | .max_speed_hz = 1500000, | ||
672 | .controller_data = &ads7846_mcspi_config, | ||
673 | .irq = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO), | ||
674 | .platform_data = &ads7846_config, | ||
675 | }, | ||
676 | }; | ||
677 | |||
678 | static struct omap_board_config_kernel omap3_evm_config[] __initdata = { | 634 | static struct omap_board_config_kernel omap3_evm_config[] __initdata = { |
679 | }; | 635 | }; |
680 | 636 | ||
@@ -792,9 +748,6 @@ static void __init omap3_evm_init(void) | |||
792 | 748 | ||
793 | omap_display_init(&omap3_evm_dss_data); | 749 | omap_display_init(&omap3_evm_dss_data); |
794 | 750 | ||
795 | spi_register_board_info(omap3evm_spi_board_info, | ||
796 | ARRAY_SIZE(omap3evm_spi_board_info)); | ||
797 | |||
798 | omap_serial_init(); | 751 | omap_serial_init(); |
799 | 752 | ||
800 | /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */ | 753 | /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */ |
@@ -827,7 +780,7 @@ static void __init omap3_evm_init(void) | |||
827 | } | 780 | } |
828 | usb_musb_init(&musb_board_data); | 781 | usb_musb_init(&musb_board_data); |
829 | usbhs_init(&usbhs_bdata); | 782 | usbhs_init(&usbhs_bdata); |
830 | ads7846_dev_init(); | 783 | omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL); |
831 | omap3evm_init_smsc911x(); | 784 | omap3evm_init_smsc911x(); |
832 | omap3_evm_display_init(); | 785 | omap3_evm_display_init(); |
833 | 786 | ||
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 07dba888f450..517701aae3ca 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c | |||
@@ -22,7 +22,6 @@ | |||
22 | #include <linux/platform_device.h> | 22 | #include <linux/platform_device.h> |
23 | 23 | ||
24 | #include <linux/spi/spi.h> | 24 | #include <linux/spi/spi.h> |
25 | #include <linux/spi/ads7846.h> | ||
26 | #include <linux/regulator/machine.h> | 25 | #include <linux/regulator/machine.h> |
27 | #include <linux/i2c/twl.h> | 26 | #include <linux/i2c/twl.h> |
28 | #include <linux/wl12xx.h> | 27 | #include <linux/wl12xx.h> |
@@ -52,6 +51,7 @@ | |||
52 | #include "mux.h" | 51 | #include "mux.h" |
53 | #include "sdram-micron-mt46h32m32lf-6.h" | 52 | #include "sdram-micron-mt46h32m32lf-6.h" |
54 | #include "hsmmc.h" | 53 | #include "hsmmc.h" |
54 | #include "common-board-devices.h" | ||
55 | 55 | ||
56 | #define PANDORA_WIFI_IRQ_GPIO 21 | 56 | #define PANDORA_WIFI_IRQ_GPIO 21 |
57 | #define PANDORA_WIFI_NRESET_GPIO 23 | 57 | #define PANDORA_WIFI_NRESET_GPIO 23 |
@@ -570,53 +570,8 @@ static int __init omap3pandora_i2c_init(void) | |||
570 | return 0; | 570 | return 0; |
571 | } | 571 | } |
572 | 572 | ||
573 | static void __init omap3pandora_ads7846_init(void) | ||
574 | { | ||
575 | int gpio = OMAP3_PANDORA_TS_GPIO; | ||
576 | int ret; | ||
577 | |||
578 | ret = gpio_request(gpio, "ads7846_pen_down"); | ||
579 | if (ret < 0) { | ||
580 | printk(KERN_ERR "Failed to request GPIO %d for " | ||
581 | "ads7846 pen down IRQ\n", gpio); | ||
582 | return; | ||
583 | } | ||
584 | |||
585 | gpio_direction_input(gpio); | ||
586 | } | ||
587 | |||
588 | static int ads7846_get_pendown_state(void) | ||
589 | { | ||
590 | return !gpio_get_value(OMAP3_PANDORA_TS_GPIO); | ||
591 | } | ||
592 | |||
593 | static struct ads7846_platform_data ads7846_config = { | ||
594 | .x_max = 0x0fff, | ||
595 | .y_max = 0x0fff, | ||
596 | .x_plate_ohms = 180, | ||
597 | .pressure_max = 255, | ||
598 | .debounce_max = 10, | ||
599 | .debounce_tol = 3, | ||
600 | .debounce_rep = 1, | ||
601 | .get_pendown_state = ads7846_get_pendown_state, | ||
602 | .keep_vref_on = 1, | ||
603 | }; | ||
604 | |||
605 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
606 | .turbo_mode = 0, | ||
607 | .single_channel = 1, /* 0: slave, 1: master */ | ||
608 | }; | ||
609 | |||
610 | static struct spi_board_info omap3pandora_spi_board_info[] __initdata = { | 573 | static struct spi_board_info omap3pandora_spi_board_info[] __initdata = { |
611 | { | 574 | { |
612 | .modalias = "ads7846", | ||
613 | .bus_num = 1, | ||
614 | .chip_select = 0, | ||
615 | .max_speed_hz = 1500000, | ||
616 | .controller_data = &ads7846_mcspi_config, | ||
617 | .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO), | ||
618 | .platform_data = &ads7846_config, | ||
619 | }, { | ||
620 | .modalias = "tpo_td043mtea1_panel_spi", | 575 | .modalias = "tpo_td043mtea1_panel_spi", |
621 | .bus_num = 1, | 576 | .bus_num = 1, |
622 | .chip_select = 1, | 577 | .chip_select = 1, |
@@ -705,7 +660,7 @@ static void __init omap3pandora_init(void) | |||
705 | omap_serial_init(); | 660 | omap_serial_init(); |
706 | spi_register_board_info(omap3pandora_spi_board_info, | 661 | spi_register_board_info(omap3pandora_spi_board_info, |
707 | ARRAY_SIZE(omap3pandora_spi_board_info)); | 662 | ARRAY_SIZE(omap3pandora_spi_board_info)); |
708 | omap3pandora_ads7846_init(); | 663 | omap_ads7846_init(1, OMAP3_PANDORA_TS_GPIO, 0, NULL); |
709 | usbhs_init(&usbhs_bdata); | 664 | usbhs_init(&usbhs_bdata); |
710 | usb_musb_init(&musb_board_data); | 665 | usb_musb_init(&musb_board_data); |
711 | gpmc_nand_init(&pandora_nand_data); | 666 | gpmc_nand_init(&pandora_nand_data); |
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index 848016c6a245..671ceb0c7a6f 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c | |||
@@ -45,7 +45,6 @@ | |||
45 | #include <plat/mcspi.h> | 45 | #include <plat/mcspi.h> |
46 | #include <linux/input/matrix_keypad.h> | 46 | #include <linux/input/matrix_keypad.h> |
47 | #include <linux/spi/spi.h> | 47 | #include <linux/spi/spi.h> |
48 | #include <linux/spi/ads7846.h> | ||
49 | #include <linux/interrupt.h> | 48 | #include <linux/interrupt.h> |
50 | #include <linux/smsc911x.h> | 49 | #include <linux/smsc911x.h> |
51 | #include <linux/i2c/at24.h> | 50 | #include <linux/i2c/at24.h> |
@@ -54,6 +53,7 @@ | |||
54 | #include "mux.h" | 53 | #include "mux.h" |
55 | #include "hsmmc.h" | 54 | #include "hsmmc.h" |
56 | #include "timer-gp.h" | 55 | #include "timer-gp.h" |
56 | #include "common-board-devices.h" | ||
57 | 57 | ||
58 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) | 58 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) |
59 | #include <plat/gpmc-smsc911x.h> | 59 | #include <plat/gpmc-smsc911x.h> |
@@ -498,49 +498,6 @@ static int __init omap3_stalker_i2c_init(void) | |||
498 | } | 498 | } |
499 | 499 | ||
500 | #define OMAP3_STALKER_TS_GPIO 175 | 500 | #define OMAP3_STALKER_TS_GPIO 175 |
501 | static void ads7846_dev_init(void) | ||
502 | { | ||
503 | if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0) | ||
504 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); | ||
505 | |||
506 | gpio_direction_input(OMAP3_STALKER_TS_GPIO); | ||
507 | gpio_set_debounce(OMAP3_STALKER_TS_GPIO, 310); | ||
508 | } | ||
509 | |||
510 | static int ads7846_get_pendown_state(void) | ||
511 | { | ||
512 | return !gpio_get_value(OMAP3_STALKER_TS_GPIO); | ||
513 | } | ||
514 | |||
515 | static struct ads7846_platform_data ads7846_config = { | ||
516 | .x_max = 0x0fff, | ||
517 | .y_max = 0x0fff, | ||
518 | .x_plate_ohms = 180, | ||
519 | .pressure_max = 255, | ||
520 | .debounce_max = 10, | ||
521 | .debounce_tol = 3, | ||
522 | .debounce_rep = 1, | ||
523 | .get_pendown_state = ads7846_get_pendown_state, | ||
524 | .keep_vref_on = 1, | ||
525 | .settle_delay_usecs = 150, | ||
526 | }; | ||
527 | |||
528 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
529 | .turbo_mode = 0, | ||
530 | .single_channel = 1, /* 0: slave, 1: master */ | ||
531 | }; | ||
532 | |||
533 | static struct spi_board_info omap3stalker_spi_board_info[] = { | ||
534 | [0] = { | ||
535 | .modalias = "ads7846", | ||
536 | .bus_num = 1, | ||
537 | .chip_select = 0, | ||
538 | .max_speed_hz = 1500000, | ||
539 | .controller_data = &ads7846_mcspi_config, | ||
540 | .irq = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO), | ||
541 | .platform_data = &ads7846_config, | ||
542 | }, | ||
543 | }; | ||
544 | 501 | ||
545 | static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { | 502 | static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { |
546 | }; | 503 | }; |
@@ -602,13 +559,11 @@ static void __init omap3_stalker_init(void) | |||
602 | ARRAY_SIZE(omap3_stalker_devices)); | 559 | ARRAY_SIZE(omap3_stalker_devices)); |
603 | 560 | ||
604 | omap_display_init(&omap3_stalker_dss_data); | 561 | omap_display_init(&omap3_stalker_dss_data); |
605 | spi_register_board_info(omap3stalker_spi_board_info, | ||
606 | ARRAY_SIZE(omap3stalker_spi_board_info)); | ||
607 | 562 | ||
608 | omap_serial_init(); | 563 | omap_serial_init(); |
609 | usb_musb_init(&musb_board_data); | 564 | usb_musb_init(&musb_board_data); |
610 | usbhs_init(&usbhs_bdata); | 565 | usbhs_init(&usbhs_bdata); |
611 | ads7846_dev_init(); | 566 | omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL); |
612 | 567 | ||
613 | omap_mux_init_gpio(21, OMAP_PIN_OUTPUT); | 568 | omap_mux_init_gpio(21, OMAP_PIN_OUTPUT); |
614 | omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP); | 569 | omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP); |
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index 127cb1752bdd..15f9d7ddc230 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c | |||
@@ -52,6 +52,7 @@ | |||
52 | #include "mux.h" | 52 | #include "mux.h" |
53 | #include "hsmmc.h" | 53 | #include "hsmmc.h" |
54 | #include "timer-gp.h" | 54 | #include "timer-gp.h" |
55 | #include "common-board-devices.h" | ||
55 | 56 | ||
56 | #include <asm/setup.h> | 57 | #include <asm/setup.h> |
57 | 58 | ||
@@ -301,19 +302,7 @@ static int __init omap3_touchbook_i2c_init(void) | |||
301 | return 0; | 302 | return 0; |
302 | } | 303 | } |
303 | 304 | ||
304 | static void __init omap3_ads7846_init(void) | 305 | static struct ads7846_platform_data ads7846_pdata = { |
305 | { | ||
306 | if (gpio_request(OMAP3_TS_GPIO, "ads7846_pen_down")) { | ||
307 | printk(KERN_ERR "Failed to request GPIO %d for " | ||
308 | "ads7846 pen down IRQ\n", OMAP3_TS_GPIO); | ||
309 | return; | ||
310 | } | ||
311 | |||
312 | gpio_direction_input(OMAP3_TS_GPIO); | ||
313 | gpio_set_debounce(OMAP3_TS_GPIO, 310); | ||
314 | } | ||
315 | |||
316 | static struct ads7846_platform_data ads7846_config = { | ||
317 | .x_min = 100, | 306 | .x_min = 100, |
318 | .y_min = 265, | 307 | .y_min = 265, |
319 | .x_max = 3950, | 308 | .x_max = 3950, |
@@ -327,23 +316,6 @@ static struct ads7846_platform_data ads7846_config = { | |||
327 | .keep_vref_on = 1, | 316 | .keep_vref_on = 1, |
328 | }; | 317 | }; |
329 | 318 | ||
330 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
331 | .turbo_mode = 0, | ||
332 | .single_channel = 1, /* 0: slave, 1: master */ | ||
333 | }; | ||
334 | |||
335 | static struct spi_board_info omap3_ads7846_spi_board_info[] __initdata = { | ||
336 | { | ||
337 | .modalias = "ads7846", | ||
338 | .bus_num = 4, | ||
339 | .chip_select = 0, | ||
340 | .max_speed_hz = 1500000, | ||
341 | .controller_data = &ads7846_mcspi_config, | ||
342 | .irq = OMAP_GPIO_IRQ(OMAP3_TS_GPIO), | ||
343 | .platform_data = &ads7846_config, | ||
344 | } | ||
345 | }; | ||
346 | |||
347 | static struct gpio_led gpio_leds[] = { | 319 | static struct gpio_led gpio_leds[] = { |
348 | { | 320 | { |
349 | .name = "touchbook::usr0", | 321 | .name = "touchbook::usr0", |
@@ -526,9 +498,7 @@ static void __init omap3_touchbook_init(void) | |||
526 | gpio_direction_output(176, true); | 498 | gpio_direction_output(176, true); |
527 | 499 | ||
528 | /* Touchscreen and accelerometer */ | 500 | /* Touchscreen and accelerometer */ |
529 | spi_register_board_info(omap3_ads7846_spi_board_info, | 501 | omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata); |
530 | ARRAY_SIZE(omap3_ads7846_spi_board_info)); | ||
531 | omap3_ads7846_init(); | ||
532 | usb_musb_init(&musb_board_data); | 502 | usb_musb_init(&musb_board_data); |
533 | usbhs_init(&usbhs_bdata); | 503 | usbhs_init(&usbhs_bdata); |
534 | omap3touchbook_flash_init(); | 504 | omap3touchbook_flash_init(); |
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 165e1faea1b7..4a02f8434f59 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c | |||
@@ -56,6 +56,7 @@ | |||
56 | #include "mux.h" | 56 | #include "mux.h" |
57 | #include "sdram-micron-mt46h32m32lf-6.h" | 57 | #include "sdram-micron-mt46h32m32lf-6.h" |
58 | #include "hsmmc.h" | 58 | #include "hsmmc.h" |
59 | #include "common-board-devices.h" | ||
59 | 60 | ||
60 | #define OVERO_GPIO_BT_XGATE 15 | 61 | #define OVERO_GPIO_BT_XGATE 15 |
61 | #define OVERO_GPIO_W2W_NRESET 16 | 62 | #define OVERO_GPIO_W2W_NRESET 16 |
@@ -74,30 +75,6 @@ | |||
74 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ | 75 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ |
75 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | 76 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) |
76 | 77 | ||
77 | #include <linux/spi/ads7846.h> | ||
78 | |||
79 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
80 | .turbo_mode = 0, | ||
81 | .single_channel = 1, /* 0: slave, 1: master */ | ||
82 | }; | ||
83 | |||
84 | static int ads7846_get_pendown_state(void) | ||
85 | { | ||
86 | return !gpio_get_value(OVERO_GPIO_PENDOWN); | ||
87 | } | ||
88 | |||
89 | static struct ads7846_platform_data ads7846_config = { | ||
90 | .x_max = 0x0fff, | ||
91 | .y_max = 0x0fff, | ||
92 | .x_plate_ohms = 180, | ||
93 | .pressure_max = 255, | ||
94 | .debounce_max = 10, | ||
95 | .debounce_tol = 3, | ||
96 | .debounce_rep = 1, | ||
97 | .get_pendown_state = ads7846_get_pendown_state, | ||
98 | .keep_vref_on = 1, | ||
99 | }; | ||
100 | |||
101 | /* fixed regulator for ads7846 */ | 78 | /* fixed regulator for ads7846 */ |
102 | static struct regulator_consumer_supply ads7846_supply = | 79 | static struct regulator_consumer_supply ads7846_supply = |
103 | REGULATOR_SUPPLY("vcc", "spi1.0"); | 80 | REGULATOR_SUPPLY("vcc", "spi1.0"); |
@@ -128,14 +105,7 @@ static struct platform_device vads7846_device = { | |||
128 | 105 | ||
129 | static void __init overo_ads7846_init(void) | 106 | static void __init overo_ads7846_init(void) |
130 | { | 107 | { |
131 | if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && | 108 | omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL); |
132 | (gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) { | ||
133 | gpio_export(OVERO_GPIO_PENDOWN, 0); | ||
134 | } else { | ||
135 | printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n"); | ||
136 | return; | ||
137 | } | ||
138 | |||
139 | platform_device_register(&vads7846_device); | 109 | platform_device_register(&vads7846_device); |
140 | } | 110 | } |
141 | 111 | ||
@@ -589,18 +559,6 @@ static int __init overo_i2c_init(void) | |||
589 | } | 559 | } |
590 | 560 | ||
591 | static struct spi_board_info overo_spi_board_info[] __initdata = { | 561 | static struct spi_board_info overo_spi_board_info[] __initdata = { |
592 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ | ||
593 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
594 | { | ||
595 | .modalias = "ads7846", | ||
596 | .bus_num = 1, | ||
597 | .chip_select = 0, | ||
598 | .max_speed_hz = 1500000, | ||
599 | .controller_data = &ads7846_mcspi_config, | ||
600 | .irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN), | ||
601 | .platform_data = &ads7846_config, | ||
602 | }, | ||
603 | #endif | ||
604 | #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ | 562 | #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ |
605 | defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) | 563 | defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) |
606 | { | 564 | { |
diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c new file mode 100644 index 000000000000..fad41ec62300 --- /dev/null +++ b/arch/arm/mach-omap2/common-board-devices.c | |||
@@ -0,0 +1,85 @@ | |||
1 | /* | ||
2 | * common-board-devices.c | ||
3 | * | ||
4 | * Copyright (C) 2011 CompuLab, Ltd. | ||
5 | * Author: Mike Rapoport <mike@compulab.co.il> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public License | ||
9 | * version 2 as published by the Free Software Foundation. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, but | ||
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | * General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
19 | * 02110-1301 USA | ||
20 | * | ||
21 | */ | ||
22 | |||
23 | #include <linux/gpio.h> | ||
24 | #include <linux/spi/spi.h> | ||
25 | #include <linux/spi/ads7846.h> | ||
26 | |||
27 | #include <plat/mcspi.h> | ||
28 | |||
29 | #include "common-board-devices.h" | ||
30 | |||
31 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
32 | .turbo_mode = 0, | ||
33 | .single_channel = 1, /* 0: slave, 1: master */ | ||
34 | }; | ||
35 | |||
36 | static struct ads7846_platform_data ads7846_config = { | ||
37 | .x_max = 0x0fff, | ||
38 | .y_max = 0x0fff, | ||
39 | .x_plate_ohms = 180, | ||
40 | .pressure_max = 255, | ||
41 | .debounce_max = 10, | ||
42 | .debounce_tol = 3, | ||
43 | .debounce_rep = 1, | ||
44 | .gpio_pendown = -EINVAL, | ||
45 | .keep_vref_on = 1, | ||
46 | }; | ||
47 | |||
48 | static struct spi_board_info ads7846_spi_board_info __initdata = { | ||
49 | .modalias = "ads7846", | ||
50 | .bus_num = -EINVAL, | ||
51 | .chip_select = 0, | ||
52 | .max_speed_hz = 1500000, | ||
53 | .controller_data = &ads7846_mcspi_config, | ||
54 | .irq = -EINVAL, | ||
55 | .platform_data = &ads7846_config, | ||
56 | }; | ||
57 | |||
58 | void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, | ||
59 | struct ads7846_platform_data *board_pdata) | ||
60 | { | ||
61 | struct spi_board_info *spi_bi = &ads7846_spi_board_info; | ||
62 | int err; | ||
63 | |||
64 | err = gpio_request(gpio_pendown, "TS PenDown"); | ||
65 | if (err) { | ||
66 | pr_err("Could not obtain gpio for TS PenDown: %d\n", err); | ||
67 | return; | ||
68 | } | ||
69 | |||
70 | gpio_direction_input(gpio_pendown); | ||
71 | gpio_export(gpio_pendown, 0); | ||
72 | |||
73 | if (gpio_debounce) | ||
74 | gpio_set_debounce(gpio_pendown, gpio_debounce); | ||
75 | |||
76 | ads7846_config.gpio_pendown = gpio_pendown; | ||
77 | |||
78 | spi_bi->bus_num = bus_num; | ||
79 | spi_bi->irq = OMAP_GPIO_IRQ(gpio_pendown); | ||
80 | |||
81 | if (board_pdata) | ||
82 | spi_bi->platform_data = board_pdata; | ||
83 | |||
84 | spi_register_board_info(&ads7846_spi_board_info, 1); | ||
85 | } | ||
diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h new file mode 100644 index 000000000000..75f9248d0bf2 --- /dev/null +++ b/arch/arm/mach-omap2/common-board-devices.h | |||
@@ -0,0 +1,18 @@ | |||
1 | #ifndef __OMAP_COMMON_BOARD_DEVICES__ | ||
2 | #define __OMAP_COMMON_BOARD_DEVICES__ | ||
3 | |||
4 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ | ||
5 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
6 | struct ads7846_platform_data; | ||
7 | |||
8 | void omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, | ||
9 | struct ads7846_platform_data *board_pdata); | ||
10 | #else | ||
11 | static inline void omap_ads7846_init(int bus_num, | ||
12 | int gpio_pendown, int gpio_debounce, | ||
13 | struct ads7846_platform_data *board_data) | ||
14 | { | ||
15 | } | ||
16 | #endif | ||
17 | |||
18 | #endif /* __OMAP_COMMON_BOARD_DEVICES__ */ | ||