pinctrl: cy8c95x0: Fix regression

Commit 1fa3df9 ("pinctrl: cy8c95x0: Remove custom ->set_config()")
removed support for PIN_CONFIG_INPUT_ENABLE and
PIN_CONFIG_OUTPUT.

Add the following options to restore functionality:
- PIN_CONFIG_INPUT_ENABLE
- PIN_CONFIG_OUTPUT_ENABLE

Signed-off-by: Patrick Rudolph <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: PatrickRudolph

drivers/pinctrl/pinctrl-cy8c95x0.c

@@ -308,6 +308,9 @@ static const char * const cy8c95x0_groups[] = {
 	"gp77",
 };
 
+static int cy8c95x0_pinmux_direction(struct cy8c95x0_pinctrl *chip,
+				     unsigned int pin, bool input);
+
 static inline u8 cypress_get_port(struct cy8c95x0_pinctrl *chip, unsigned int pin)
 {
 	/* Account for GPORT2 which only has 4 bits */
@@ -727,6 +730,7 @@ static int cy8c95x0_gpio_set_pincfg(struct cy8c95x0_pinctrl *chip,
 	u8 port = cypress_get_port(chip, off);
 	u8 bit = cypress_get_pin_mask(chip, off);
 	unsigned long param = pinconf_to_config_param(config);
+	unsigned long arg = pinconf_to_config_argument(config);
 	unsigned int reg;
 	int ret;
 
@@ -765,6 +769,12 @@ static int cy8c95x0_gpio_set_pincfg(struct cy8c95x0_pinctrl *chip,
 	case PIN_CONFIG_MODE_PWM:
 		reg = CY8C95X0_PWMSEL;
 		break;
+	case PIN_CONFIG_OUTPUT_ENABLE:
+		ret = cy8c95x0_pinmux_direction(chip, off, !arg);
+		goto out;
+	case PIN_CONFIG_INPUT_ENABLE:
+		ret = cy8c95x0_pinmux_direction(chip, off, arg);
+		goto out;
 	default:
 		ret = -ENOTSUPP;
 		goto out;