The Allwinner A83T SoC has an EMAC which is already supported by
sun8i_emac driver in U-Boot now.
Add a stub device node for it.
The device node cannot work for Linux, because it now lacks the proper
clock definition; however, it can satisfy sun8i_emac driver in U-Boot.
Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
arch/arm/dts/sun8i-a83t.dtsi | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm/dts/sun8i-a83t.dtsi b/arch/arm/dts/sun8i-a83t.dtsi
index 0fe73e173f..9aac3a7929 100644
--- a/arch/arm/dts/sun8i-a83t.dtsi
+++ b/arch/arm/dts/sun8i-a83t.dtsi
@@ -52,6 +52,10 @@
/ {
interrupt-parent = <&gic>;
+ aliases {
+ ethernet0 = &emac;
+ };
+
cpus {
#address-cells = <1>;
#size-cells = <0>;
@@ -166,6 +170,17 @@
#interrupt-cells = <3>;
#gpio-cells = <3>;
+ emac_rgmii_pins: emac-rgmii {
+ allwinner,pins = "PD2", "PD3", "PD4", "PD5",
+ "PD6", "PD7", "PD11",
+ "PD12", "PD13", "PD14",
+ "PD18", "PD19", "PD21",
+ "PD22", "PD23";
+ allwinner,function = "emac";
+ allwinner,drive = <SUN4I_PINCTRL_40_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
mmc0_pins_a: mmc0@0 {
allwinner,pins = "PF0", "PF1", "PF2",
"PF3", "PF4", "PF5";
@@ -214,6 +229,16 @@
status = "disabled";
};
+ emac: ethernet@1c30000 {
+ compatible = "allwinner,sun8i-a83t-emac";
+ reg = <0x01c30000 0x104>, <0x01c00030 0x4>;
+ reg-names = "emac", "syscon";
+ interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
gic: interrupt-controller@01c81000 {
compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
reg = <0x01c81000 0x1000>,
--
2.13.0
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
