Add support for gpio-controller property in root pinctrl node. This is to follow upstream linux DTSI that doesn't define the gpio-controller and cells in dedicated nodes.
Signed-off-by: Christian Marangi ansuelsmth@gmail.com --- drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 0baef57c1c2..7465e236bc8 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -762,6 +762,15 @@ static int mtk_gpiochip_register(struct udevice *parent) if (!drv) return -ENOENT;
+ /* + * Support upstream linux DTSI that define gpio-controller + * in the root node (instead of a dedicated subnode) + */ + if (dev_read_bool(dev, "gpio-controller")) { + node = dev_ofnode(parent); + goto bind; + } + ret = -ENOENT; dev_for_each_subnode(node, parent) if (ofnode_read_bool(node, "gpio-controller")) { @@ -772,6 +781,7 @@ static int mtk_gpiochip_register(struct udevice *parent) if (ret) return ret;
+bind: ret = device_bind_with_driver_data(parent, &mtk_gpio_driver, "mediatek_gpio", 0, node, &dev);