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arm64: dts: renesas: r8a779g0: Use MDIO node for all AVB devices

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Switch from defining the PHY inside the AVB node itself and create a
dedicated MDIO node for AVB0, the only AVB describing a PHY.  This is
needed as adding PHYs to AVB1 and AVB2 will require setting MDIO bus
parameters and thus requires a dedicated node.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240413141806.300989-2-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Niklas Söderlund 2024-04-13 16:18:05 +02:00 committed by Geert Uytterhoeven
parent 1613e604df
commit 54bf0c2738
2 changed files with 14 additions and 15 deletions
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6
arch/arm64/boot/dts/renesas/r8a779g0.dtsi
View File

@ -815,8 +815,6 @@ avb0: ethernet@e6800000 {
phy-mode = "rgmii";
rx-internal-delay-ps = <0>;
tx-internal-delay-ps = <0>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};
@ -862,8 +860,6 @@ avb1: ethernet@e6810000 {
phy-mode = "rgmii";
rx-internal-delay-ps = <0>;
tx-internal-delay-ps = <0>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};
@ -909,8 +905,6 @@ avb2: ethernet@e6820000 {
phy-mode = "rgmii";
rx-internal-delay-ps = <0>;
tx-internal-delay-ps = <0>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};

23
arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
View File

@ -142,18 +142,23 @@ reg_3p3v: regulator-3p3v {
&avb0 {
pinctrl-0 = <&avb0_pins>;
pinctrl-names = "default";
phy-handle = <&phy0>;
phy-handle = <&avb0_phy>;
tx-internal-delay-ps = <2000>;
status = "okay";
phy0: ethernet-phy@0 {
compatible = "ethernet-phy-id0022.1622",
"ethernet-phy-ieee802.3-c22";
rxc-skew-ps = <1500>;
reg = <0>;
interrupt-parent = <&gpio7>;
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
mdio {
#address-cells = <1>;
#size-cells = <0>;
avb0_phy: ethernet-phy@0 {
compatible = "ethernet-phy-id0022.1622",
"ethernet-phy-ieee802.3-c22";
rxc-skew-ps = <1500>;
reg = <0>;
interrupt-parent = <&gpio7>;
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
};
};
};