From e499d5d430edc69acfee8023d104c389d752ed56 Mon Sep 17 00:00:00 2001 From: Christian Marangi Date: Mon, 24 Jun 2024 23:03:36 +0200 Subject: [PATCH] pinctrl: mediatek: add support for gpio-controller property in root node 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 --- 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 37fc28bb77..ede3959c94 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); -- 2.39.5