| Message ID | 20210611194628.5572-7-tharvey@gateworks.com |
|---|---|
| State | Accepted |
| Commit | 0545b17b695e03ad5ea7bd9736b9cdfc49530af5 |
| Delegated to: | Stefano Babic |
| Headers | show |
| Series | [01/11] imx: ventana: remove USB_KEYBOARD support | expand |
> In the default pulse-skipping mode regulators that are very lightly > loaded can fail to regulate properly. Switching them to always use > continuous mode causes only around 10mW of overall system power > difference in a lightly loaded system that isn't already operating > them in continuous mode. > Signed-off-by: Tim Harvey <tharvey@gateworks.com> Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic
> In the default pulse-skipping mode regulators that are very lightly > loaded can fail to regulate properly. Switching them to always use > continuous mode causes only around 10mW of overall system power > difference in a lightly loaded system that isn't already operating > them in continuous mode. > Signed-off-by: Tim Harvey <tharvey@gateworks.com> Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c index b5a0162c5e..adbc6791b3 100644 --- a/board/gateworks/gw_ventana/common.c +++ b/board/gateworks/gw_ventana/common.c @@ -1688,6 +1688,12 @@ void setup_pmic(void) /* set SW3 (VDD_ARM) */ pmic_reg_write(p, LTC3676_DVB3A, 0x1f); } + + /* put all switchers in continuous mode */ + pmic_reg_write(p, LTC3676_BUCK1, 0xc0); + pmic_reg_write(p, LTC3676_BUCK2, 0xc0); + pmic_reg_write(p, LTC3676_BUCK3, 0xc0); + pmic_reg_write(p, LTC3676_BUCK4, 0xc0); } }
In the default pulse-skipping mode regulators that are very lightly loaded can fail to regulate properly. Switching them to always use continuous mode causes only around 10mW of overall system power difference in a lightly loaded system that isn't already operating them in continuous mode. Signed-off-by: Tim Harvey <tharvey@gateworks.com> --- board/gateworks/gw_ventana/common.c | 6 ++++++ 1 file changed, 6 insertions(+)