diff options
Diffstat (limited to 'drivers/pinctrl/sprd/pinctrl-sprd.c')
| -rw-r--r-- | drivers/pinctrl/sprd/pinctrl-sprd.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c index 8e396104ad1a..48cbf2a2837f 100644 --- a/drivers/pinctrl/sprd/pinctrl-sprd.c +++ b/drivers/pinctrl/sprd/pinctrl-sprd.c @@ -467,6 +467,12 @@ static int sprd_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin_id, case PIN_CONFIG_OUTPUT_ENABLE: arg = reg & SLEEP_OUTPUT_MASK; break; + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + if ((reg & SLEEP_OUTPUT) || (reg & SLEEP_INPUT)) + return -EINVAL; + + arg = 1; + break; case PIN_CONFIG_DRIVE_STRENGTH: arg = (reg >> DRIVE_STRENGTH_SHIFT) & DRIVE_STRENGTH_MASK; @@ -646,6 +652,12 @@ static int sprd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin_id, shift = SLEEP_OUTPUT_SHIFT; } break; + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + if (is_sleep_config == true) { + val = shift = 0; + mask = SLEEP_OUTPUT | SLEEP_INPUT; + } + break; case PIN_CONFIG_DRIVE_STRENGTH: if (arg < 2 || arg > 60) return -EINVAL; |