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path: root/drivers/i2c/chips/tps65010.c
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Diffstat (limited to 'drivers/i2c/chips/tps65010.c')
-rw-r--r--drivers/i2c/chips/tps65010.c59
1 files changed, 28 insertions, 31 deletions
diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c
index c0ac01b60039..280e9638c0f8 100644
--- a/drivers/i2c/chips/tps65010.c
+++ b/drivers/i2c/chips/tps65010.c
@@ -18,7 +18,6 @@
18 * along with this program; if not, write to the Free Software 18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */ 20 */
21#undef DEBUG
22 21
23#include <linux/config.h> 22#include <linux/config.h>
24#include <linux/kernel.h> 23#include <linux/kernel.h>
@@ -49,11 +48,7 @@
49MODULE_DESCRIPTION("TPS6501x Power Management Driver"); 48MODULE_DESCRIPTION("TPS6501x Power Management Driver");
50MODULE_LICENSE("GPL"); 49MODULE_LICENSE("GPL");
51 50
52/* only two addresses possible */ 51static unsigned short normal_i2c[] = { 0x48, /* 0x49, */ I2C_CLIENT_END };
53#define TPS_BASE 0x48
54static unsigned short normal_i2c[] = {
55 TPS_BASE,
56 I2C_CLIENT_END };
57static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; 52static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
58 53
59I2C_CLIENT_INSMOD; 54I2C_CLIENT_INSMOD;
@@ -102,7 +97,7 @@ struct tps65010 {
102 u8 chgstatus, regstatus, chgconf; 97 u8 chgstatus, regstatus, chgconf;
103 u8 nmask1, nmask2; 98 u8 nmask1, nmask2;
104 99
105 /* plus four GPIOs, probably used to switch power */ 100 /* not currently tracking GPIO state */
106}; 101};
107 102
108#define POWER_POLL_DELAY msecs_to_jiffies(800) 103#define POWER_POLL_DELAY msecs_to_jiffies(800)
@@ -135,7 +130,7 @@ static void dbg_regstat(char *buf, size_t len, u8 regstatus)
135 (regstatus & TPS_REG_COVER) ? " uncover" : "", 130 (regstatus & TPS_REG_COVER) ? " uncover" : "",
136 (regstatus & TPS_REG_UVLO) ? " UVLO" : "", 131 (regstatus & TPS_REG_UVLO) ? " UVLO" : "",
137 (regstatus & TPS_REG_NO_CHG) ? " NO_CHG" : "", 132 (regstatus & TPS_REG_NO_CHG) ? " NO_CHG" : "",
138 (regstatus & TPS_REG_PG_LD02) ? " ld01_bad" : "", 133 (regstatus & TPS_REG_PG_LD02) ? " ld02_bad" : "",
139 (regstatus & TPS_REG_PG_LD01) ? " ld01_bad" : "", 134 (regstatus & TPS_REG_PG_LD01) ? " ld01_bad" : "",
140 (regstatus & TPS_REG_PG_MAIN) ? " main_bad" : "", 135 (regstatus & TPS_REG_PG_MAIN) ? " main_bad" : "",
141 (regstatus & TPS_REG_PG_CORE) ? " core_bad" : ""); 136 (regstatus & TPS_REG_PG_CORE) ? " core_bad" : "");
@@ -143,7 +138,7 @@ static void dbg_regstat(char *buf, size_t len, u8 regstatus)
143 138
144static void dbg_chgconf(int por, char *buf, size_t len, u8 chgconfig) 139static void dbg_chgconf(int por, char *buf, size_t len, u8 chgconfig)
145{ 140{
146 char *hibit; 141 const char *hibit;
147 142
148 if (por) 143 if (por)
149 hibit = (chgconfig & TPS_CHARGE_POR) 144 hibit = (chgconfig & TPS_CHARGE_POR)
@@ -295,7 +290,7 @@ static int dbg_show(struct seq_file *s, void *_)
295 seq_printf(s, "defgpio %02x mask3 %02x\n", value, v2); 290 seq_printf(s, "defgpio %02x mask3 %02x\n", value, v2);
296 291
297 for (i = 0; i < 4; i++) { 292 for (i = 0; i < 4; i++) {
298 if (value & (1 << (4 +i))) 293 if (value & (1 << (4 + i)))
299 seq_printf(s, " gpio%d-out %s\n", i + 1, 294 seq_printf(s, " gpio%d-out %s\n", i + 1,
300 (value & (1 << i)) ? "low" : "hi "); 295 (value & (1 << i)) ? "low" : "hi ");
301 else 296 else
@@ -481,7 +476,7 @@ static int __exit tps65010_detach_client(struct i2c_client *client)
481 debugfs_remove(tps->file); 476 debugfs_remove(tps->file);
482 if (i2c_detach_client(client) == 0) 477 if (i2c_detach_client(client) == 0)
483 kfree(tps); 478 kfree(tps);
484 the_tps = 0; 479 the_tps = NULL;
485 return 0; 480 return 0;
486} 481}
487 482
@@ -514,7 +509,6 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
514 INIT_WORK(&tps->work, tps65010_work, tps); 509 INIT_WORK(&tps->work, tps65010_work, tps);
515 tps->irq = -1; 510 tps->irq = -1;
516 tps->client.addr = address; 511 tps->client.addr = address;
517 i2c_set_clientdata(&tps->client, tps);
518 tps->client.adapter = bus; 512 tps->client.adapter = bus;
519 tps->client.driver = &tps65010_driver; 513 tps->client.driver = &tps65010_driver;
520 strlcpy(tps->client.name, DRIVER_NAME, I2C_NAME_SIZE); 514 strlcpy(tps->client.name, DRIVER_NAME, I2C_NAME_SIZE);
@@ -523,9 +517,7 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
523 if (status < 0) { 517 if (status < 0) {
524 dev_dbg(&bus->dev, "can't attach %s to device %d, err %d\n", 518 dev_dbg(&bus->dev, "can't attach %s to device %d, err %d\n",
525 DRIVER_NAME, address, status); 519 DRIVER_NAME, address, status);
526fail1: 520 goto fail1;
527 kfree(tps);
528 return 0;
529 } 521 }
530 522
531#ifdef CONFIG_ARM 523#ifdef CONFIG_ARM
@@ -535,7 +527,7 @@ fail1:
535 tps->irq = OMAP_GPIO_IRQ(58); 527 tps->irq = OMAP_GPIO_IRQ(58);
536 omap_request_gpio(58); 528 omap_request_gpio(58);
537 omap_set_gpio_direction(58, 1); 529 omap_set_gpio_direction(58, 1);
538 omap_set_gpio_edge_ctrl(58, OMAP_GPIO_FALLING_EDGE); 530 set_irq_type(tps->irq, IRQT_FALLING);
539 } 531 }
540 if (machine_is_omap_osk()) { 532 if (machine_is_omap_osk()) {
541 tps->model = TPS65010; 533 tps->model = TPS65010;
@@ -543,7 +535,7 @@ fail1:
543 tps->irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)); 535 tps->irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1));
544 omap_request_gpio(OMAP_MPUIO(1)); 536 omap_request_gpio(OMAP_MPUIO(1));
545 omap_set_gpio_direction(OMAP_MPUIO(1), 1); 537 omap_set_gpio_direction(OMAP_MPUIO(1), 1);
546 omap_set_gpio_edge_ctrl(OMAP_MPUIO(1), OMAP_GPIO_FALLING_EDGE); 538 set_irq_type(tps->irq, IRQT_FALLING);
547 } 539 }
548 if (machine_is_omap_h3()) { 540 if (machine_is_omap_h3()) {
549 tps->model = TPS65013; 541 tps->model = TPS65013;
@@ -633,6 +625,9 @@ fail1:
633 tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, NULL, 625 tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, NULL,
634 tps, DEBUG_FOPS); 626 tps, DEBUG_FOPS);
635 return 0; 627 return 0;
628fail1:
629 kfree(tps);
630 return 0;
636} 631}
637 632
638static int __init tps65010_scan_bus(struct i2c_adapter *bus) 633static int __init tps65010_scan_bus(struct i2c_adapter *bus)
@@ -645,7 +640,6 @@ static int __init tps65010_scan_bus(struct i2c_adapter *bus)
645static struct i2c_driver tps65010_driver = { 640static struct i2c_driver tps65010_driver = {
646 .owner = THIS_MODULE, 641 .owner = THIS_MODULE,
647 .name = "tps65010", 642 .name = "tps65010",
648 .id = 888, /* FIXME assign "official" value */
649 .flags = I2C_DF_NOTIFY, 643 .flags = I2C_DF_NOTIFY,
650 .attach_adapter = tps65010_scan_bus, 644 .attach_adapter = tps65010_scan_bus,
651 .detach_client = __exit_p(tps65010_detach_client), 645 .detach_client = __exit_p(tps65010_detach_client),
@@ -744,7 +738,7 @@ int tps65010_set_led(unsigned led, unsigned mode)
744 if (!the_tps) 738 if (!the_tps)
745 return -ENODEV; 739 return -ENODEV;
746 740
747 if(led == LED1) 741 if (led == LED1)
748 offs = 0; 742 offs = 0;
749 else { 743 else {
750 offs = 2; 744 offs = 2;
@@ -753,11 +747,13 @@ int tps65010_set_led(unsigned led, unsigned mode)
753 747
754 down(&the_tps->lock); 748 down(&the_tps->lock);
755 749
756 dev_dbg (&the_tps->client.dev, "led%i_on 0x%02x\n", led, 750 pr_debug("%s: led%i_on 0x%02x\n", DRIVER_NAME, led,
757 i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_ON + offs)); 751 i2c_smbus_read_byte_data(&the_tps->client,
752 TPS_LED1_ON + offs));
758 753
759 dev_dbg (&the_tps->client.dev, "led%i_per 0x%02x\n", led, 754 pr_debug("%s: led%i_per 0x%02x\n", DRIVER_NAME, led,
760 i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_PER + offs)); 755 i2c_smbus_read_byte_data(&the_tps->client,
756 TPS_LED1_PER + offs));
761 757
762 switch (mode) { 758 switch (mode) {
763 case OFF: 759 case OFF:
@@ -773,7 +769,7 @@ int tps65010_set_led(unsigned led, unsigned mode)
773 led_per = 0x08 | (1 << 7); 769 led_per = 0x08 | (1 << 7);
774 break; 770 break;
775 default: 771 default:
776 printk(KERN_ERR "%s: Wrong mode parameter for tps65010_set_led()\n", 772 printk(KERN_ERR "%s: Wrong mode parameter for set_led()\n",
777 DRIVER_NAME); 773 DRIVER_NAME);
778 up(&the_tps->lock); 774 up(&the_tps->lock);
779 return -EINVAL; 775 return -EINVAL;
@@ -789,7 +785,7 @@ int tps65010_set_led(unsigned led, unsigned mode)
789 return status; 785 return status;
790 } 786 }
791 787
792 dev_dbg (&the_tps->client.dev, "led%i_on 0x%02x\n", led, 788 pr_debug("%s: led%i_on 0x%02x\n", DRIVER_NAME, led,
793 i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_ON + offs)); 789 i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_ON + offs));
794 790
795 status = i2c_smbus_write_byte_data(&the_tps->client, 791 status = i2c_smbus_write_byte_data(&the_tps->client,
@@ -802,8 +798,9 @@ int tps65010_set_led(unsigned led, unsigned mode)
802 return status; 798 return status;
803 } 799 }
804 800
805 dev_dbg (&the_tps->client.dev, "led%i_per 0x%02x\n", led, 801 pr_debug("%s: led%i_per 0x%02x\n", DRIVER_NAME, led,
806 i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_PER + offs)); 802 i2c_smbus_read_byte_data(&the_tps->client,
803 TPS_LED1_PER + offs));
807 804
808 up(&the_tps->lock); 805 up(&the_tps->lock);
809 806
@@ -874,7 +871,7 @@ int tps65010_set_low_pwr(unsigned mode)
874 871
875 if (status != 0) 872 if (status != 0)
876 printk(KERN_ERR "%s: Failed to write vdcdc1 register\n", 873 printk(KERN_ERR "%s: Failed to write vdcdc1 register\n",
877 DRIVER_NAME); 874 DRIVER_NAME);
878 else 875 else
879 pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME, 876 pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME,
880 i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1)); 877 i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1));
@@ -900,14 +897,14 @@ int tps65010_config_vregs1(unsigned value)
900 down(&the_tps->lock); 897 down(&the_tps->lock);
901 898
902 pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, 899 pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME,
903 i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1)); 900 i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1));
904 901
905 status = i2c_smbus_write_byte_data(&the_tps->client, 902 status = i2c_smbus_write_byte_data(&the_tps->client,
906 TPS_VREGS1, value); 903 TPS_VREGS1, value);
907 904
908 if (status != 0) 905 if (status != 0)
909 printk(KERN_ERR "%s: Failed to write vregs1 register\n", 906 printk(KERN_ERR "%s: Failed to write vregs1 register\n",
910 DRIVER_NAME); 907 DRIVER_NAME);
911 else 908 else
912 pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, 909 pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME,
913 i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1)); 910 i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1));
@@ -1009,7 +1006,7 @@ static int __init tps_init(void)
1009 msleep(10); 1006 msleep(10);
1010 } 1007 }
1011 1008
1012#if defined(CONFIG_ARM) 1009#ifdef CONFIG_ARM
1013 if (machine_is_omap_osk()) { 1010 if (machine_is_omap_osk()) {
1014 1011
1015 // FIXME: More should be placed in the initialization code 1012 // FIXME: More should be placed in the initialization code