Djam/u-boot
1
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2025-05-05 19:24:48 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

pinctrl: mediatek: add support for gpio-controller property in root node

Browse source 
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>
This commit is contained in:
Christian Marangi 2024-06-24 23:03:36 +02:00 • committed by Tom Rini
parent 55269f1019
commit e499d5d430
1 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/pinctrl/mediatek/pinctrl-mtk-common.c
View file

@ -761,6 +761,15 @@ static int mtk_gpiochip_register(struct udevice *parent)
if (!drv) if (!drv)
return -ENOENT; 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; ret = -ENOENT;
dev_for_each_subnode(node, parent) dev_for_each_subnode(node, parent)
if (ofnode_read_bool(node, "gpio-controller")) { if (ofnode_read_bool(node, "gpio-controller")) {
@ -771,6 +780,7 @@ static int mtk_gpiochip_register(struct udevice *parent)
if (ret) if (ret)
return ret; return ret;
bind:
ret = device_bind_with_driver_data(parent, &mtk_gpio_driver, ret = device_bind_with_driver_data(parent, &mtk_gpio_driver,
"mediatek_gpio", 0, node, "mediatek_gpio", 0, node,
&dev); &dev);