diff options
Diffstat (limited to 'board/freescale/mx6sxsabreauto/mx6sxsabreauto.c')
| -rw-r--r-- | board/freescale/mx6sxsabreauto/mx6sxsabreauto.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c index 36c4c12..7fd74d9 100644 --- a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c +++ b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c @@ -181,6 +181,33 @@ int power_init_board(void) return 0; } +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + struct udevice *dev; + int ret; + + ret = pmic_get("pfuze100", &dev); + if (ret == -ENODEV) { + printf("No PMIC found!\n"); + return; + } + + /* switch to ldo_bypass mode */ + if (ldo_bypass) { + /* decrease VDDARM to 1.15V */ + pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, SW1x_1_150V); + + /* decrease VDDSOC to 1.15V */ + pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f, SW1x_1_150V); + + set_anatop_bypass(1); + + printf("switch to ldo_bypass mode!\n"); + } +} +#endif + #ifdef CONFIG_USB_EHCI_MX6 #define USB_OTHERREGS_OFFSET 0x800 #define UCTRL_PWR_POL (1 << 9) |