[PATCH 2/6] riscv/dts: add gmac node for th1520.

[wefu]

From: Wei Fu <w...@redhat.com>

Signed-off-by: Wei Fu <w...@redhat.com>
Co-authored-by: Yixun Lan <d...@gentoo.org>
---
 arch/riscv/dts/th1520.dtsi | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/riscv/dts/th1520.dtsi b/arch/riscv/dts/th1520.dtsi
index f7bfa42243..d68c446a6b 100644
--- a/arch/riscv/dts/th1520.dtsi
+++ b/arch/riscv/dts/th1520.dtsi
@@ -128,6 +128,13 @@
                #clock-cells = <0>;
        };
 
+       dummy_apb: apb-clock {
+               compatible = "fixed-clock";
+               clock-frequency = <62500000>;
+               clock-output-names = "dummy_apb";
+               #clock-cells = <0>;
+       };
+
        uart_sclk: uart-sclk-clock {
                compatible = "fixed-clock";
                clock-output-names = "uart_sclk";
@@ -163,6 +170,32 @@
                                              <&cpu3_intc 3>, <&cpu3_intc 7>;
                };
 
+               gmac0: ethernet@ffe7070000 {
+                       compatible = "snps,dwmac";
+                       reg = <0xff 0xe7070000 0x0 0x2000>;
+                       clocks = <&dummy_apb>;
+                       clock-names = "stmmaceth";
+                       snps,pbl = <32>;
+                       snps,fixed-burst;
+
+                       phy-mode = "rgmii-id";
+                       phy-handle = <&phy_88E1111_a>;
+                       status = "disabled";
+                       mdio0 {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               compatible = "snps,dwmac-mdio";
+
+                               phy_88E1111_a: ethernet-phy@1 {
+                                       reg = <0x1>;
+                               };
+
+                               phy_88E1111_b: ethernet-phy@2 {
+                                       reg = <0x2>;
+                               };
+                       };
+               };
+
                uart0: serial@ffe7014000 {
                        compatible = "snps,dw-apb-uart";
                        reg = <0xff 0xe7014000 0x0 0x100>;
-- 
2.44.0