Since dwmac-sun8i could use either an integrated PHY or an external PHY
(which could be at same MDIO address), we need to represent this selection
by a MDIO switch.

Signed-off-by: Corentin Labbe <clabbe.montj...@gmail.com>
---
 arch/arm/boot/dts/sunxi-h3-h5.dtsi | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi 
b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 4b599b5d26f6..74fdfcc9dfd3 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -417,14 +417,32 @@
                        #size-cells = <0>;
                        status = "disabled";
 
-                       mdio: mdio {
+                       mdio_parent: mdio {
                                #address-cells = <1>;
                                #size-cells = <0>;
-                               int_mii_phy: ethernet-phy@1 {
-                                       compatible = 
"ethernet-phy-ieee802.3-c22";
+                       };
+                       mdio-mux {
+                               compatible = "allwinner,sun8i-h3-mdio-switch";
+                               mdio-parent-bus = <&mdio_parent>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               internal_mdio: mdio@1 {
                                        reg = <1>;
-                                       clocks = <&ccu CLK_BUS_EPHY>;
-                                       resets = <&ccu RST_BUS_EPHY>;
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+                                       int_mii_phy: ethernet-phy@1 {
+                                               compatible = 
"ethernet-phy-ieee802.3-c22";
+                                               reg = <1>;
+                                               clocks = <&ccu CLK_BUS_EPHY>;
+                                               resets = <&ccu RST_BUS_EPHY>;
+                                               phy-is-integrated;
+                                       };
+                               };
+                               mdio: mdio@0 {
+                                       reg = <0>;
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
                                };
                        };
                };
-- 
2.13.0

Reply via email to