diff options
Diffstat (limited to 'board/freescale/mx6sabresd')
| -rw-r--r-- | board/freescale/mx6sabresd/mx6sabresd.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index 27a6993..4111e0d 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -253,6 +253,37 @@ static void setup_iomux_uart(void) } #ifdef CONFIG_SYS_I2C_MXC +/* set all switches APS in normal and PFM mode in standby */ +static int setup_pmic_mode(int chip) +{ + unsigned char offset, i, switch_num, value; + + if (!chip) { + /* pfuze100 */ + switch_num = 6; + offset = 0x31; + } else { + /* pfuze200 */ + switch_num = 4; + offset = 0x38; + } + + value = 0xc; + if (i2c_write(0x8, 0x23, 1, &value, 1)) { + printf("Set SW1AB mode error!\n"); + return -1; + } + + for (i = 0; i < switch_num - 1; i++) { + if (i2c_write(0x8, offset + i * 7, 1, &value, 1)) { + printf("Set switch%x mode error!\n", offset); + return -1; + } + } + + return 0; +} + static int setup_pmic_voltages(void) { unsigned char value, rev_id = 0 ; @@ -269,6 +300,11 @@ static int setup_pmic_voltages(void) } printf("Found PFUZE%s deviceid=%x,revid=%x\n", ((value & 0xf) == 0) ? "100" : "200", value, rev_id); + + if (setup_pmic_mode(value & 0xf)) { + printf("setup pmic mode error!\n"); + return -1; + } /*For camera streaks issue,swap VGEN5 and VGEN3 to power camera. *sperate VDDHIGH_IN and camera 2.8V power supply, after switch: *VGEN5 for VDDHIGH_IN and increase to 3V to align with datasheet |