Commit ad2bea79 authored by Sai Krishna Potthuri's avatar Sai Krishna Potthuri Committed by Linus Walleij
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pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance 



Add support to handle 'output-enable' and 'bias-high-impedance'
configurations. As part of the output-enable configuration, ZynqMP pinctrl
driver takes care of removing the pins from tri-state.

Signed-off-by: default avatarSai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1655462819-28801-4-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 133ad0d9

drivers/pinctrl/pinctrl-zynqmp.c

+9 −0
Original line number Diff line number Diff line
@@ -410,6 +410,10 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, 


			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_MODE_LOW_POWER:

			/*

			 * These cases are mentioned in dts but configurable
@@ -418,6 +422,11 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, 
			 */

			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(pctldev->dev,

				 "unsupported configuration parameter '%u'\n",