From: Ashok Reddy Soma ashok.reddy.soma@xilinx.com
Add support to handle 'output-enable' and 'bias-high-impedance' configurations. DT property output-enable brings out the pins from tri-state, whereas bias-high-impedance changes the pins state to tri-state.
Signed-off-by: Ashok Reddy Soma ashok.reddy.soma@xilinx.com Signed-off-by: Michal Simek michal.simek@amd.com ---
drivers/pinctrl/pinctrl-zynqmp.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index 7c5a02db1b98..52d428f566fc 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -467,6 +467,10 @@ 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 +479,11 @@ 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);