linux-kernel - [PATCH] arm64: dts: qcom: ipq8074: add MDIO bus

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Date:   Thu,  7 Oct 2021 13:58:46 +0200
From:   Robert Marko <robimarko@...il.com>
To:     agross@...nel.org, bjorn.andersson@...aro.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Robert Marko <robimarko@...il.com>
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@...il.com>
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 3a56e38158a4..5f562444c838 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -267,6 +267,18 @@ pcie_phy1: phy@...00 {
 			status = "disabled";
 		};
 
+		mdio: mdio@...00 {
+			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@...00 {
 			compatible = "qcom,prng-ee";
 			reg = <0x000e3000 0x1000>;
-- 
2.32.0