poplar: enable Ethernet driver support
The 'phy' reset of gmac device in kernel device tree is not generic
enough for u-boot to use, so we need to overwrite the 'resets' property
as needed. With this device tree fixup and poplar_defconfig changes,
Ethernet starts working on Poplar board.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/arch/arm/dts/hi3798cv200-u-boot.dtsi b/arch/arm/dts/hi3798cv200-u-boot.dtsi
index 7844c52..2de06d9 100644
--- a/arch/arm/dts/hi3798cv200-u-boot.dtsi
+++ b/arch/arm/dts/hi3798cv200-u-boot.dtsi
@@ -8,7 +8,15 @@
* (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
*/
+#include <dt-bindings/reset/ti-syscon.h>
+
&soc {
+ rst: reset-controller@8a22000 {
+ compatible = "hisilicon,hi3798cv200-reset";
+ reg = <0x8a22000 0x1000>;
+ #reset-cells = <3>;
+ };
+
usb2: ehci@9890000 {
compatible = "generic-ehci";
reg = <0x9890000 0x100>;
@@ -16,6 +24,12 @@
};
};
+&gmac1 {
+ resets = <&rst 0xcc 9 ASSERT_SET>,
+ <&rst 0xcc 11 ASSERT_SET>,
+ <&rst 0xcc 13 DEASSERT_SET>;
+};
+
&uart0 {
clock = <75000000>;
status = "okay";