diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-zynqmp.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-zynqmp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index 02626a7561..517035961d 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -158,6 +158,12 @@ static int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, u32 valu { int ret; + if (param == PM_PINCTRL_CONFIG_TRI_STATE) { + ret = zynqmp_pm_feature(PM_PINCTRL_CONFIG_PARAM_SET); + if (ret < PM_PINCTRL_PARAM_SET_VERSION) + return -EOPNOTSUPP; + } + /* Request the pin first */ ret = xilinx_pm_request(PM_PINCTRL_REQUEST, pin, 0, 0, 0, NULL); if (ret) { @@ -467,6 +473,10 @@ static int zynqmp_pinconf_set(struct udevice *dev, unsigned int pin, pin); break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_ENABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; case PIN_CONFIG_LOW_POWER_MODE: /* * This cases are mentioned in dts but configurable @@ -475,6 +485,11 @@ static int zynqmp_pinconf_set(struct udevice *dev, unsigned int pin, */ ret = 0; break; + case PIN_CONFIG_OUTPUT_ENABLE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_DISABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; default: dev_warn(dev, "unsupported configuration parameter '%u'\n", param); |