linux-kernel - [PATCH 3/8] arm64: dts: axiado: Add eMMC-PHY node support

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Message-Id: <20251222-axiado-ax3000-add-emmc-host-driver-support-v1-3-5457d0ebcdb4@axiado.com>
Date: Mon, 22 Dec 2025 16:45:02 +0800
From: Tzu-Hao Wei <twei@...ado.com>
To: SriNavmani A <srinavmani@...ado.com>, 
 Prasad Bolisetty <pbolisetty@...ado.com>, Vinod Koul <vkoul@...nel.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Harshit Shah <hshah@...ado.com>, 
 Ulf Hansson <ulf.hansson@...aro.org>, 
 Adrian Hunter <adrian.hunter@...el.com>, 
 Michal Simek <michal.simek@....com>
Cc: linux-phy@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-mmc@...r.kernel.org, Tzu-Hao Wei <twei@...ado.com>
Subject: [PATCH 3/8] arm64: dts: axiado: Add eMMC-PHY node support

From: SriNavmani A <srinavmani@...ado.com>

Add the eMMC PHY device tree node to the AX3000 SoC device tree
include file. This node defines the external Arasan eMMC PHY
configuration required for HS200 mode operation.

Signed-off-by: Tzu-Hao Wei <twei@...ado.com>
---
 arch/arm64/boot/dts/axiado/ax3000.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/axiado/ax3000.dtsi b/arch/arm64/boot/dts/axiado/ax3000.dtsi
index 792f52e0c7dd42cbc54b0eb47e25b0fbf1a706b8..0b64cf1245211ab0e9380dc27dae37dd9f3082e8 100644
--- a/arch/arm64/boot/dts/axiado/ax3000.dtsi
+++ b/arch/arm64/boot/dts/axiado/ax3000.dtsi
@@ -507,6 +507,13 @@ uart3: serial@...20800 {
 			clocks = <&refclk &refclk>;
 			status = "disabled";
 		};
+
+		emmc_phy: emmc-phy@...01C00 {
+			compatible = "axiado,ax3000-emmc-phy";
+			reg = <0x00 0x80801C00 0x00 0x1000>;
+			#phy-cells = <0>;
+			status = "disabled";
+		};
 	};
 
 	timer {

-- 
2.48.1