Re: [PATCHv1 3/6] ARM: dts: imx6q-bx50v3: Add internal switch

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Hello!

On 01/03/2018 03:26 PM, Sebastian Reichel wrote:

B850v3, B650v3 and B450v3 all have a GPIO bit banged MDIO bus to
communicate with a Marvell switch. On all devices the switch is
connected to a PCI based network card, which needs to be referenced
by DT, so this also adds the common PCI root node.

Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
---
  arch/arm/boot/dts/imx6q-bx50v3.dtsi | 37 +++++++++++++++++++++++++++++++++++++
  1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index b915837bbb5f..689981e90e68 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -92,6 +92,31 @@
  		mux-int-port = <1>;
  		mux-ext-port = <4>;
  	};
+
+	aliases {
+		mdio-gpio0 = &mdio0;
+	};
+
+	mdio0: mdio-gpio {
+		compatible = "virtual,mdio-gpio";
+		gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>, /* mdc */
+			<&gpio2 7 GPIO_ACTIVE_HIGH>; /* mdio */
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		switch@0 {
+				compatible = "marvell,mv88e6240";

   Why suddenly 2 extra tabs instead of 1?

+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0>;
+
+				switch_ports: ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+				};
+		};
+	};
  };
&ecspi5 {
[...]

MBR, Sergei
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