[PATCH v6 04/16] arm: mach-rockchip: bind sub-nodes for rk3399_syscon

[Frank Wang]

There are some sub-nodes under the grf DT, so add bind callback
function in rk3399 syscon driver to scan them recursively.

Signed-off-by: Frank Wang <frank.w...@rock-chips.com>
---
 arch/arm/mach-rockchip/rk3399/syscon_rk3399.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c 
b/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c
index 259ca44d68..f27b0ced82 100644
--- a/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c
+++ b/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c
@@ -20,6 +20,9 @@ static const struct udevice_id rk3399_syscon_ids[] = {
 U_BOOT_DRIVER(syscon_rk3399) = {
        .name = "rk3399_syscon",
        .id = UCLASS_SYSCON,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+       .bind = dm_scan_fdt_dev,
+#endif
        .of_match = rk3399_syscon_ids,
 };
 
-- 
2.17.1