linux-kernel - [PATCH v2 3/5] ARM: dts: NSP: Fix MDIO mux node names

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Message-Id: <20210829223752.2748091-3-mnhagan88@gmail.com>
Date:   Sun, 29 Aug 2021 22:37:49 +0000
From:   Matthew Hagan <mnhagan88@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Matthew Hagan <mnhagan88@...il.com>,
        Rob Herring <robh+dt@...nel.org>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/5] ARM: dts: NSP: Fix MDIO mux node names

While functional, the mdio-mux-mmioreg binding does not conform to
Documentation/devicetree/bindings/net/mdio-mux-mmioreg.yaml in that an
mdio-mux compatible is also required. Without this the following output
is observed when running dtbs_check:

mdio-mux@...00: compatible: ['mdio-mux-mmioreg'] is too short

This change brings conformance to this requirement and corresponds
likewise to Rafal Milecki's change to the BCM5301x platform[1].

[1] https://lore.kernel.org/linux-arm-kernel/20210822191256.3715003-1-f.fainelli@gmail.com/T/

Signed-off-by: Matthew Hagan <mnhagan88@...il.com>
---
 arch/arm/boot/dts/bcm-nsp.dtsi                | 2 +-
 arch/arm/boot/dts/bcm958625-meraki-alamo.dtsi | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index 6f2ccd059e73..180827500f25 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -371,7 +371,7 @@ mdio: mdio@...00 {
 		};
 
 		mdio-mux@...00 {
-			compatible = "mdio-mux-mmioreg";
+			compatible = "mdio-mux-mmioreg", "mdio-mux";
 			reg = <0x32000 0x4>;
 			mux-mask = <0x200>;
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/bcm958625-meraki-alamo.dtsi b/arch/arm/boot/dts/bcm958625-meraki-alamo.dtsi
index 8860f2fefc63..57d0c5eb9749 100644
--- a/arch/arm/boot/dts/bcm958625-meraki-alamo.dtsi
+++ b/arch/arm/boot/dts/bcm958625-meraki-alamo.dtsi
@@ -72,7 +72,7 @@ led-5 {
 	};
 
 	mdio-mii-mux {
-		compatible = "mdio-mux-mmioreg";
+		compatible = "mdio-mux-mmioreg", "mdio-mux";
 		reg = <0x1803f1c0 0x4>;
 		mux-mask = <0x2000>;
 		mdio-parent-bus = <&mdio_ext>;
-- 
2.27.0