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TMU: Add TMU support in dtt command 

Add generic TMU support alongwith i2c sensors in dtt command
to enable temperature reading in cases where TMU is present
along-with/instead-of i2c sensors.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Akshay Saraswat 2013-02-25 01:13:04 +00:00 committed by Minkyu Kang
parent f7f85f7dc3
commit bc5478b275
1 changed files with 31 additions and 1 deletions
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32
common/cmd_dtt.c
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@ -27,7 +27,9 @@
#include <dtt.h>
#include <i2c.h>
#include <tmu.h>
#if defined CONFIG_DTT_SENSORS
static unsigned long sensor_initialized;
static void _initialize_dtt(void)
@ -59,9 +61,11 @@ void dtt_init(void)
/* switch back to original I2C bus */
I2C_SET_BUS(old_bus);
}
#endif
int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
int dtt_i2c(void)
{
#if defined CONFIG_DTT_SENSORS
int i;
unsigned char sensors[] = CONFIG_DTT_SENSORS;
int old_bus;
@ -83,8 +87,34 @@ int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
/* switch back to original I2C bus */
I2C_SET_BUS(old_bus);
#endif
return 0;
}
int dtt_tmu(void)
{
#if defined CONFIG_TMU_CMD_DTT
int cur_temp;
/* Sense and return latest thermal info */
if (tmu_monitor(&cur_temp) == TMU_STATUS_INIT) {
puts("TMU is in unknown state, temperature is invalid\n");
return -1;
}
printf("Current temperature: %u degrees Celsius\n", cur_temp);
#endif
return 0;
}
int do_dtt(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int err = 0;
err |= dtt_i2c();
err |= dtt_tmu();
return err;
} /* do_dtt() */
/***************************************************/