diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mtk-common.c')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 37fc28bb779..ede3959c94f 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -761,6 +761,15 @@ 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(parent, "gpio-controller")) { + node = dev_ofnode(parent); + goto bind; + } + ret = -ENOENT; dev_for_each_subnode(node, parent) if (ofnode_read_bool(node, "gpio-controller")) { @@ -771,6 +780,7 @@ 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); |