openwrt/target/linux/ipq807x/patches-5.15/0007-v5.17-arm64-dts-qcom-ipq8074-add-MDIO-bus.patch

From 036e332e29ee24396ad877cc6a1275d86a1c4b3d Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Thu, 7 Oct 2021 13:58:46 +0200
Subject: [PATCH] arm64: dts: qcom: ipq8074: add MDIO bus

IPQ8074 uses an IPQ4019 compatible MDIO controller that is already
supported in the kernel, so add the DT node in order to use it.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007115846.26255-1-robimarko@gmail.com
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -231,6 +231,18 @@
 			};
 		};
 
+		mdio: mdio@90000 {
+			compatible = "qcom,ipq4019-mdio";
+			reg = <0x00090000 0x64>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			clocks = <&gcc GCC_MDIO_AHB_CLK>;
+			clock-names = "gcc_mdio_ahb_clk";
+
+			status = "disabled";
+		};
+
 		prng: rng@e3000 {
 			compatible = "qcom,prng-ee";
 			reg = <0x000e3000 0x1000>;