[PATCH 1/3] dt-bindings: usb: generic-ohci: Document ST STM32MP1 SoC compatibles

[PATCH 1/3] dt-bindings: usb: generic-ohci: Document ST STM32MP1 SoC compatibles

[Marek Vasut]

Document SoC compatibles for ST STM32MP13xx and STM32MP15xx series of
SoC, so they can be used as more accurate compatible in SoC DTSI. The
SoC DTSI currently use plain "generic-ohci" which is not future proof.

Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-usb@vger.kernel.org
---
 Documentation/devicetree/bindings/usb/generic-ohci.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
index 322808aaa2839..474a84aa32d0f 100644
--- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
@@ -49,6 +49,8 @@ properties:
               - ingenic,jz4740-ohci
               - rockchip,rk3588-ohci
               - snps,hsdk-v1.0-ohci
+              - st,stm32mp13-ohci
+              - st,stm32mp15-ohci
           - const: generic-ohci
       - enum:
           - generic-ohci
-- 
2.53.0

[PATCH 2/3] ARM: dts: stm32: Use STM32MP13xx compatible string for OHCI USB controller

[Marek Vasut]

Use accurate STM32MP13xx compatible string for OHCI USB controller in
addition to "generic-ohci" fallback compatible string. This is future
proof, and drivers can match on the accurate compatible string in case
they need to discern this controller from the generic-ohci one.

Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-usb@vger.kernel.org
---
 arch/arm/boot/dts/st/stm32mp131.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index 5ae33b26e313f..d1c5afb5f89aa 100644
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -1128,7 +1128,7 @@ crc1: crc@58009000 {
 		};
 
 		usbh_ohci: usb@5800c000 {
-			compatible = "generic-ohci";
+			compatible = "st,stm32mp13-ohci", "generic-ohci";
 			reg = <0x5800c000 0x1000>;
 			clocks = <&usbphyc>, <&rcc USBH>;
 			resets = <&rcc USBH_R>;
-- 
2.53.0

[PATCH 3/3] ARM: dts: stm32: Use STM32MP15xx compatible string for OHCI USB controller

[Marek Vasut]

Use accurate STM32MP15xx compatible string for OHCI USB controller in
addition to "generic-ohci" fallback compatible string. This is future
proof, and drivers can match on the accurate compatible string in case
they need to discern this controller from the generic-ohci one.

Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-usb@vger.kernel.org
---
 arch/arm/boot/dts/st/stm32mp151.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/st/stm32mp151.dtsi b/arch/arm/boot/dts/st/stm32mp151.dtsi
index e7fec8b49ae16..c37005c00ad65 100644
--- a/arch/arm/boot/dts/st/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp151.dtsi
@@ -504,7 +504,7 @@ crc1: crc@58009000 {
 		};
 
 		usbh_ohci: usb@5800c000 {
-			compatible = "generic-ohci";
+			compatible = "st,stm32mp15-ohci", "generic-ohci";
 			reg = <0x5800c000 0x1000>;
 			clocks = <&usbphyc>, <&rcc USBH>;
 			resets = <&rcc USBH_R>;
-- 
2.53.0

Re: [PATCH 1/3] dt-bindings: usb: generic-ohci: Document ST STM32MP1 SoC compatibles

[sashiko-bot]

Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider:
- [Medium] Incomplete binding family update: missing STM32MP1 EHCI compatibles.
--

commit b94b8c4a5c06e677f1c40f017de92bb5e2ec3002
Author: Marek Vasut <marex@nabladev.com>

dt-bindings: usb: generic-ohci: Document ST STM32MP1 SoC compatibles

This commit documents the SoC-specific compatibles for the ST STM32MP13xx
and STM32MP15xx series in the generic-ohci binding. This allows the SoC
DTSI to use these more accurate compatibles instead of just the generic
fallback.

> diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> index d42f448fa2044..1b54f0d91061f 100644
> --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> @@ -49,6 +49,8 @@ properties:
>                - ingenic,jz4740-ohci
>                - rockchip,rk3588-ohci
>                - snps,hsdk-v1.0-ohci
> +              - st,stm32mp13-ohci
> +              - st,stm32mp15-ohci

[Severity: Medium]
Since st,stm32mp13-ohci and st,stm32mp15-ohci are being added here, should
the companion EHCI compatibles (st,stm32mp13-ehci and st,stm32mp15-ehci)
also be added to the compatible block in
Documentation/devicetree/bindings/usb/generic-ehci.yaml?

The device tree bindings subsystem guidelines state that when a binding
has multiple YAML files for different device types in the same family,
related files need matching updates. Updating generic-ehci.yaml would
ensure the EHCI companion controller is documented alongside its OHCI
counterpart, keeping the entire USB host subsystem on STM32MP1 fully
documented and future-proofed.

>            - const: generic-ohci
>        - enum:
>            - generic-ohci

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260828150202.173109-1-marex@nabladev.com?part=1

Re: [PATCH 1/3] dt-bindings: usb: generic-ohci: Document ST STM32MP1 SoC compatibles

[Krzysztof Kozlowski]

On Fri, Aug 28, 2026 at 05:01:26PM +0200, Marek Vasut wrote:
> Document SoC compatibles for ST STM32MP13xx and STM32MP15xx series of
> SoC, so they can be used as more accurate compatible in SoC DTSI. The
> SoC DTSI currently use plain "generic-ohci" which is not future proof.
> 
> Signed-off-by: Marek Vasut <marex@nabladev.com>
> ---

This should go also with your access controllers property. What
happened to it?

Best regards,
Krzysztof

Re: [PATCH 1/3] dt-bindings: usb: generic-ohci: Document ST STM32MP1 SoC compatibles

[Krzysztof Kozlowski]

On 31/08/2026 10:51, Krzysztof Kozlowski wrote:
> On Fri, Aug 28, 2026 at 05:01:26PM +0200, Marek Vasut wrote:
>> Document SoC compatibles for ST STM32MP13xx and STM32MP15xx series of
>> SoC, so they can be used as more accurate compatible in SoC DTSI. The
>> SoC DTSI currently use plain "generic-ohci" which is not future proof.
>>
>> Signed-off-by: Marek Vasut <marex@nabladev.com>
>> ---
> 
> This should go also with your access controllers property. What
> happened to it?
> 

Ah, I mixed patchsets/devices.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof