linux-kernel - [PATCH] ARM: dts: imx6ull-dhcor: Handle both 1DX and 1YN WiFi on i.MX6ULL DHCOR

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Message-ID: <20260209170739.22379-1-marex@nabladev.com>
Date: Mon,  9 Feb 2026 18:07:04 +0100
From: Marek Vasut <marex@...ladev.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: Marek Vasut <marex@...ladev.com>,
	Christoph Niedermaier <cniedermaier@...electronics.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	kernel@...electronics.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: imx6ull-dhcor: Handle both 1DX and 1YN WiFi on i.MX6ULL DHCOR

The muRata 1DX WiFi/BT chip is mounted on the DHCOM i.MX6ULL. This chip
has been discontinued and replaced by the muRata 1YN chip. The new chip
is a drop-in replacement of the old chip. To support both chips for the
i.MX6ULL DHCOR, drop the more specific compatible string and let the
driver auto-detect the chip type. Currently, there are no known quirks
that would apply only to one or the other chip.

Signed-off-by: Marek Vasut <marex@...ladev.com>
---
Cc: Christoph Niedermaier <cniedermaier@...electronics.com>
Cc: Conor Dooley <conor+dt@...nel.org>
Cc: Fabio Estevam <festevam@...il.com>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>
Cc: Rob Herring <robh@...nel.org>
Cc: Sascha Hauer <s.hauer@...gutronix.de>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: devicetree@...r.kernel.org
Cc: imx@...ts.linux.dev
Cc: kernel@...electronics.com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-som.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-som.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-som.dtsi
index 75486e1b0c15f..a0adcd3fe1229 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-som.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-som.dtsi
@@ -201,7 +201,7 @@ &uart2 {
 	 * the speed can be increased accordingly.
 	 */
 	bluetooth: bluetooth {
-		compatible = "brcm,bcm43430a1-bt"; /* muRata 1DX */
+		compatible = "brcm,bcm4329-bt"; /* muRata 1DX or 1YN */
 		max-speed = <3000000>;
 		vbat-supply = <&vcc_3v3>;
 		vddio-supply = <&vcc_3v3>;
@@ -222,7 +222,7 @@ &usdhc1 {
 	status = "okay";
 
 	brcmf: wifi@1 {
-		compatible = "brcm,bcm43430a1-fmac", "brcm,bcm4329-fmac"; /* muRata 1DX */
+		compatible = "brcm,bcm4329-fmac"; /* muRata 1DX or 1YN */
 		reg = <1>;
 	};
 };
-- 
2.51.0