In case the power domain node structure is gpc@303a0000/pgc/power-domain@N, do not bind power domain driver to the 'pgc' node, but rather descend into it and only bind power domain drivers to power-domain@N subnodes. This way we do not waste one useless driver instance associated with 'pgc' node.
Tested-By: Tim Harvey tharvey@gateworks.com #imx8mp-venice-defconfig Signed-off-by: Marek Vasut marex@denx.de Cc: Fabio Estevam festevam@gmail.com Cc: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de --- V2: Add TB by Tim --- drivers/power/domain/imx8m-power-domain.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/power/domain/imx8m-power-domain.c b/drivers/power/domain/imx8m-power-domain.c index 6082ee6ff8c..ac7411f8327 100644 --- a/drivers/power/domain/imx8m-power-domain.c +++ b/drivers/power/domain/imx8m-power-domain.c @@ -73,6 +73,12 @@ static int imx8m_power_domain_bind(struct udevice *dev) /* Bind the subnode to this driver */ name = fdt_get_name(gd->fdt_blob, offset, NULL);
+ /* Descend into 'pgc' subnode */ + if (!strstr(name, "power-domain")) { + offset = fdt_first_subnode(gd->fdt_blob, offset); + name = fdt_get_name(gd->fdt_blob, offset, NULL); + } + ret = device_bind_with_driver_data(dev, dev->driver, name, dev->driver_data, offset_to_ofnode(offset),