Ethernet switch on AP148 is connected through MDIO using GPIO 0 and 1.
We'll add the new node using the bitbang driver on these two pins.
Signed-off-by: Mathieu Olivari <mathieu@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/qcom-ipq8064-ap148.dts | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
index 6886d09..d73df24 100644
--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -19,8 +19,9 @@
};
};
- alias {
+ aliases {
serial0 = &uart4;
+ mdio-gpio0 = &mdio0;
};
chosen {
@@ -84,6 +85,15 @@
};
};
};
+
+ mdio0_pins: mdio0_pins {
+ mux {
+ pins = "gpio0", "gpio1";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ };
+ };
};
sata-phy@1b400000 {
@@ -93,5 +103,24 @@
sata@29000000 {
status = "ok";
};
+
+ mdio0: mdio {
+ compatible = "virtual,mdio-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpios = <&qcom_pinmux 1 0 &qcom_pinmux 0 0>;
+ pinctrl-0 = <&mdio0_pins>;
+ pinctrl-names = "default";
+
+ phy0: ethernet-phy@0 {
+ device_type = "ethernet-phy";
+ reg = <0>;
+ };
+
+ phy4: ethernet-phy@4 {
+ device_type = "ethernet-phy";
+ reg = <4>;
+ };
+ };
};
};
--
2.1.4
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