pinctrl: pinctrl-zynq: Add support for 'power-source' parameter

Add support for generic pin parameter 'power-source'.
To maintain the backward compatibility, 'io-standard' parameter is still
supported in the driver.

Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1626868353-96475-4-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-zynq.c b/drivers/pinctrl/pinctrl-zynq.c
index 5fb924a..a96af8a 100644 (file)
--- a/drivers/pinctrl/pinctrl-zynq.c
+++ b/drivers/pinctrl/pinctrl-zynq.c
@@ -1028,6 +1028,7 @@ static int zynq_pinconf_cfg_get(struct pinctrl_dev *pctldev,
                break;
        }
        case PIN_CONFIG_IOSTANDARD:
+       case PIN_CONFIG_POWER_SOURCE:
                arg = zynq_pinconf_iostd_get(reg);
                break;
        default:
@@ -1078,6 +1079,7 @@ static int zynq_pinconf_cfg_set(struct pinctrl_dev *pctldev,
 
                        break;
                case PIN_CONFIG_IOSTANDARD:
+               case PIN_CONFIG_POWER_SOURCE:
                        if (arg <= zynq_iostd_min || arg >= zynq_iostd_max) {
                                dev_warn(pctldev->dev,
                                         "unsupported IO standard '%u'\n",