diff options
Diffstat (limited to 'u-boot/board/goldelico/gta04/tsc2007.c')
| -rw-r--r-- | u-boot/board/goldelico/gta04/tsc2007.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/u-boot/board/goldelico/gta04/tsc2007.c b/u-boot/board/goldelico/gta04/tsc2007.c index 0df22ce..11565df 100644 --- a/u-boot/board/goldelico/gta04/tsc2007.c +++ b/u-boot/board/goldelico/gta04/tsc2007.c @@ -29,6 +29,7 @@ #include <asm/arch/gpio.h> #include <asm/mach-types.h> #include <i2c.h> +#include <twl4030.h> #include "tsc2007.h" #define TSC2007_BUS (2-1) // I2C2 @@ -92,6 +93,34 @@ int tsc2007_init(void) return 1; } +#if 1 + // FIXME: if(gta04_board_revision() should have ITG) + /* if the GTA04 is connected to USB power first and + * the battery is inserted after this, all power rails + * have oscillated until the battery is available + * this makes the ITG3200 Power On Reset fail + */ + if(i2c_probe(0x68)) + { // ITG3200 does not respond + printf("ITG3200 does not respond\n"); + // FIXME: temporarily switch off VAUX2 + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, + /*TWL4030_PM_RECEIVER_VAUX2_VSEL_28*/ 0x09, + TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_P1); + udelay(30*1000); // wait a little until power drops + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, + /*TWL4030_PM_RECEIVER_VAUX2_VSEL_28*/ 0x09, + TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_P1); + udelay(10*1000); // wait a little until power stabilizes and ITG did reset + if(i2c_probe(0x68)) // ITG3200 does not respond + printf("ITG3200 still does not respond\n"); + else + printf("ITG3200 now ok\n"); + } +#endif + if(i2c_probe(TSC2007_ADDRESS)) { printf ("could not probe TSC2007\n"); |