linux-kernel - [PATCH 10/13] ARM: dts: vt8500: Use generic compatibles for EHCI

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Message-Id: <20250416-wmt-updates-v1-10-f9af689cdfc2@gmail.com>
Date: Wed, 16 Apr 2025 12:21:35 +0400
From: Alexey Charkov <alchark@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Ulf Hansson <ulf.hansson@...aro.org>, Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Uwe Kleine-König <ukleinek@...nel.org>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-mmc@...r.kernel.org, netdev@...r.kernel.org, 
 linux-pwm@...r.kernel.org, Alexey Charkov <alchark@...il.com>
Subject: [PATCH 10/13] ARM: dts: vt8500: Use generic compatibles for EHCI

VIA/WonderMedia SoCs don't have anything special about their EHCI
controllers: in fact, vendor provided kernels just use the
generic PCI driver by emulating a virtual PCI bus with fixed MMIO
mappings just to bind the existing driver as-is. So switch to the
generic compatible to save further additions to bindings.

Note that these devices have only ever supported appended-DTB boot,
so changing the compatible should not affect any existing users.

Signed-off-by: Alexey Charkov <alchark@...il.com>
---
 arch/arm/boot/dts/vt8500/vt8500.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8505.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8650.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8750.dtsi | 2 +-
 arch/arm/boot/dts/vt8500/wm8850.dtsi | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/vt8500/vt8500.dtsi b/arch/arm/boot/dts/vt8500/vt8500.dtsi
index 143daf983d1d926c2c837c43002d1a86cff3866a..b848fc33aa13796c098a511c26b4c2280ff453db 100644
--- a/arch/arm/boot/dts/vt8500/vt8500.dtsi
+++ b/arch/arm/boot/dts/vt8500/vt8500.dtsi
@@ -106,7 +106,7 @@ timer@...30100 {
 		};

 		usb@...07900 {
-			compatible = "via,vt8500-ehci";
+			compatible = "generic-ehci";
 			reg = <0xd8007900 0x200>;
 			interrupts = <43>;
 		};
diff --git a/arch/arm/boot/dts/vt8500/wm8505.dtsi b/arch/arm/boot/dts/vt8500/wm8505.dtsi
index 69d2351a81dbc816efd19ffe3ba5ef80eaa4e9dc..1b9a18f498613d649d4f8bf87ade32d1f7edd9e4 100644
--- a/arch/arm/boot/dts/vt8500/wm8505.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8505.dtsi
@@ -204,7 +204,7 @@ timer@...30100 {
 		};

 		usb@...07100 {
-			compatible = "via,vt8500-ehci";
+			compatible = "generic-ehci";
 			reg = <0xd8007100 0x200>;
 			interrupts = <1>;
 		};
diff --git a/arch/arm/boot/dts/vt8500/wm8650.dtsi b/arch/arm/boot/dts/vt8500/wm8650.dtsi
index deebe9b933876bc1eb188f82ce8c1c17098d04a2..34378a49ec2017fe2771a38033788fd753dee875 100644
--- a/arch/arm/boot/dts/vt8500/wm8650.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8650.dtsi
@@ -176,7 +176,7 @@ timer@...30100 {
 		};

 		usb@...07900 {
-			compatible = "via,vt8500-ehci";
+			compatible = "generic-ehci";
 			reg = <0xd8007900 0x200>;
 			interrupts = <43>;
 		};
diff --git a/arch/arm/boot/dts/vt8500/wm8750.dtsi b/arch/arm/boot/dts/vt8500/wm8750.dtsi
index bde825b59074eb74af4ab296895a3968e992aefe..1b7a02834ac14fcd51389a6a809b5f0960d63312 100644
--- a/arch/arm/boot/dts/vt8500/wm8750.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8750.dtsi
@@ -248,7 +248,7 @@ timer@...30100 {
 		};

 		usb@...07900 {
-			compatible = "via,vt8500-ehci";
+			compatible = "generic-ehci";
 			reg = <0xd8007900 0x200>;
 			interrupts = <26>;
 		};
diff --git a/arch/arm/boot/dts/vt8500/wm8850.dtsi b/arch/arm/boot/dts/vt8500/wm8850.dtsi
index e8385c03e04bf5644c86a85aeb41e1cc1eedb202..76337244a8e051732e9ce3432eee36ccca9ed463 100644
--- a/arch/arm/boot/dts/vt8500/wm8850.dtsi
+++ b/arch/arm/boot/dts/vt8500/wm8850.dtsi
@@ -234,7 +234,7 @@ timer@...30100 {
 		};

 		usb@...07900 {
-			compatible = "via,vt8500-ehci";
+			compatible = "generic-ehci";
 			reg = <0xd8007900 0x200>;
 			interrupts = <26>;
 		};

-- 
2.49.0