pinctrl: meson: Switch to use fwnode instead of of_node

GPIO library now accepts fwnode as a firmware node, so
switch the driver to use it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220905180034.73132-1-andriy.shevchenko@linux.intel.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/meson/pinctrl-meson.c

@@ -608,6 +608,7 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc)
 
 	pc->chip.label = pc->data->name;
 	pc->chip.parent = pc->dev;
+	pc->chip.fwnode = pc->fwnode;
 	pc->chip.request = gpiochip_generic_request;
 	pc->chip.free = gpiochip_generic_free;
 	pc->chip.set_config = gpiochip_generic_config;
@@ -619,8 +620,6 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc)
 	pc->chip.base = -1;
 	pc->chip.ngpio = pc->data->num_pins;
 	pc->chip.can_sleep = false;
-	pc->chip.of_node = pc->of_node;
-	pc->chip.of_gpio_n_cells = 2;
 
 	ret = gpiochip_add_data(&pc->chip, pc);
 	if (ret) {
@@ -678,8 +677,8 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc)
 		return -EINVAL;
 	}
 
-	gpio_np = to_of_node(gpiochip_node_get_first(pc->dev));
-	pc->of_node = gpio_np;
+	pc->fwnode = gpiochip_node_get_first(pc->dev);
+	gpio_np = to_of_node(pc->fwnode);
 
 	pc->reg_mux = meson_map_resource(pc, gpio_np, "mux");
 	if (IS_ERR_OR_NULL(pc->reg_mux)) {

drivers/pinctrl/meson/pinctrl-meson.h

@@ -12,6 +12,8 @@
 #include <linux/types.h>
 #include <linux/module.h>
 
+struct fwnode_handle;
+
 struct meson_pinctrl;
 
 /**
@@ -131,7 +133,7 @@ struct meson_pinctrl {
 	struct regmap *reg_gpio;
 	struct regmap *reg_ds;
 	struct gpio_chip chip;
-	struct device_node *of_node;
+	struct fwnode_handle *fwnode;
 };
 
 #define FUNCTION(fn)							\