diff options
Diffstat (limited to 'firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c')
-rw-r--r-- | firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c index bb03e4c0dd..07c80a07c3 100644 --- a/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c +++ b/firmware/target/arm/tms320dm320/sansa-connect/power-sansaconnect.c @@ -28,11 +28,35 @@ #include "backlight.h" #include "backlight-target.h" #include "avr-sansaconnect.h" -#include "tps65021.h" +#include "i2c-dm320.h" +#include "logf.h" + +/* (7-bit) address is 0x48, the LSB is read/write flag */ +#define TPS65021_ADDR (0x48 << 1) + +static void tps65021_write_reg(unsigned reg, unsigned value) +{ + unsigned char data[2]; + + data[0] = reg; + data[1] = value; + + if (i2c_write(TPS65021_ADDR, data, 2) != 0) + { + logf("TPS65021 error reg=0x%x", reg); + } +} void power_init(void) { - tps65021_init(); + /* PWM mode */ + tps65021_write_reg(0x04, 0xB2); + + /* Set core voltage to 1.5V */ + tps65021_write_reg(0x06, 0x1C); + + /* Set LCM (LDO1) to 2.85V, Set CODEC and USB (LDO2) to 1.8V */ + tps65021_write_reg(0x08, 0x36); } void power_off(void) |