[PATCH v3 1/9] dt-bindings: usb: Add device id for Genesys Logic hub controller

[PATCH v3 1/9] dt-bindings: usb: Add device id for Genesys Logic hub controller

[Anand Moon]

Add usb hub device id for Genesys Logic, Inc. GL852G Hub USB 2.0
root hub.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3: - add Ack of Krzysztof
v2: - drop the vendor name from compatible string.
    - drop the -OTG and -QFN76 suffix from commit message.
    - drop the GL3523 USB 3.1 root hub device id.
---
 Documentation/devicetree/bindings/usb/genesys,gl850g.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
index a9f831448cca..cc4cf92b70d1 100644
--- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
+++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
@@ -16,6 +16,7 @@ properties:
   compatible:
     enum:
       - usb5e3,608
+      - usb5e3,610
 
   reg: true
 
-- 
2.38.1

Re: [PATCH v3 1/9] dt-bindings: usb: Add device id for Genesys Logic hub controller

[Greg Kroah-Hartman]

On Sat, Jan 21, 2023 at 05:56:29PM +0000, Anand Moon wrote:
> Add usb hub device id for Genesys Logic, Inc. GL852G Hub USB 2.0
> root hub.
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> v3: - add Ack of Krzysztof
> v2: - drop the vendor name from compatible string.
>     - drop the -OTG and -QFN76 suffix from commit message.
>     - drop the GL3523 USB 3.1 root hub device id.

I only see 4 of the 9 patches sent to the linux-usb list and cc: me, so
I'm totally confused.

I'll drop them all from my review queue now and expect a full series to
show up if they are needed to be merged through the USB tree

thanks,

greg k-h

Re: [PATCH v3 1/9] dt-bindings: usb: Add device id for Genesys Logic hub controller

[Anand Moon]

Hi Greg,

Thanks for your review comments.

On Wed, 25 Jan 2023 at 20:04, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> On Sat, Jan 21, 2023 at 05:56:29PM +0000, Anand Moon wrote:
> > Add usb hub device id for Genesys Logic, Inc. GL852G Hub USB 2.0
> > root hub.
> >
> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> > Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> > ---
> > v3: - add Ack of Krzysztof
> > v2: - drop the vendor name from compatible string.
> >     - drop the -OTG and -QFN76 suffix from commit message.
> >     - drop the GL3523 USB 3.1 root hub device id.
>
> I only see 4 of the 9 patches sent to the linux-usb list and cc: me, so
> I'm totally confused.
>
> I'll drop them all from my review queue now and expect a full series to
> show up if they are needed to be merged through the USB tree
>
> thanks,
>

Sorry for this mixup from my side.
I will send the full series of patches again tmr

> greg k-h

Thanks
-Anand

[PATCH v3 2/9] ARM: dts: amlogic: Used onboard usb hub reset on odroid c1

[Anand Moon]

On Odroid c1 previously use gpio-hog to reset the usb hub,
switch to used on board usb hub reset to enable the usb hub
and enable power to usb hub.

Add usb hub regulator as per the schematic.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3 - Add Rev by Neil.
     update the subject with odroid C1
     dropped dr_mode
v2 - drop the vendor name from compatible string.
   - move the hub node to USB controller node.
   - drop the usb_otg_pwr since it only liked to OTG port
     and link p5v0 to the vdd-supply.
---
 arch/arm/boot/dts/meson8b-odroidc1.dts | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index 04356bc639fa..04c4bdca0b85 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -281,19 +281,6 @@ &gpio_ao {
 			  "J7 Header Pin 6", "J7 Header Pin 5",
 			  "J7 Header Pin 7", "HDMI_CEC",
 			  "SYS_LED", "", "";
-
-	/*
-	 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
-	 * to be turned high in order to be detected by the USB Controller.
-	 * This signal should be handled by a USB specific power sequence
-	 * in order to reset the Hub when USB bus is powered down.
-	 */
-	usb-hub {
-		gpio-hog;
-		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
-		output-high;
-		line-name = "usb-hub-reset";
-	};
 };
 
 &ir_receiver {
@@ -381,5 +368,15 @@ &usb1_phy {
 };
 
 &usb1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
 	status = "okay";
+
+	hub@1 {
+		/* Genesys Logic GL852G usb hub */
+		compatible = "usb5e3,610";
+		reg = <1>;
+		vdd-supply = <&p5v0>;
+		reset-gpio = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
+	};
 };
-- 
2.38.1

[PATCH v3 3/9] arm64: dts: amlogic: Used onboard usb hub reset on odroid c2

[Anand Moon]

On Odroid c2 previously use gpio-hog to reset the usb hub,
switch to used on-board usb hub reset to enable the usb hub
and enable power to hub.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3 - Add rev by Neil.
     droped dr_mode
v2 - drop the vendor name from compatible string.
   - move the hub node to USB controller node.
   - drop the usb_otg_pwr since it only liked to OTG port
         and link p5v0 to the vdd-supply.
---
 .../boot/dts/amlogic/meson-gxbb-odroidc2.dts  | 25 ++++++++-----------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 201596247fd9..70b10934a811 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -250,21 +250,6 @@ eth_phy0: ethernet-phy@0 {
 	};
 };
 
-&gpio_ao {
-	/*
-	 * WARNING: The USB Hub on the Odroid-C2 needs a reset signal
-	 * to be turned high in order to be detected by the USB Controller
-	 * This signal should be handled by a USB specific power sequence
-	 * in order to reset the Hub when USB bus is powered down.
-	 */
-	hog-0 {
-		gpio-hog;
-		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
-		output-high;
-		line-name = "usb-hub-reset";
-	};
-};
-
 &hdmi_tx {
 	status = "okay";
 	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
@@ -414,5 +399,15 @@ &usb0 {
 };
 
 &usb1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
 	status = "okay";
+
+	hub@1 {
+		/* Genesys Logic GL852G USB 2.0 hub */
+		compatible = "usb5e3,610";
+		reg = <1>;
+		vdd-supply = <&p5v0>;
+		reset-gpio = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
+	};
 };
-- 
2.38.1

Re: [PATCH v3 3/9] arm64: dts: amlogic: Used onboard usb hub reset on odroid c2

[Ben Wolsieffer]

On Sat, Jan 21, 2023 at 05:56:31PM +0000, Anand Moon wrote:
> On Odroid c2 previously use gpio-hog to reset the usb hub,
> switch to used on-board usb hub reset to enable the usb hub
> and enable power to hub.
> 
> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> v3 - Add rev by Neil.
>      droped dr_mode
> v2 - drop the vendor name from compatible string.
>    - move the hub node to USB controller node.
>    - drop the usb_otg_pwr since it only liked to OTG port
>          and link p5v0 to the vdd-supply.
> ---
>  .../boot/dts/amlogic/meson-gxbb-odroidc2.dts  | 25 ++++++++-----------
>  1 file changed, 10 insertions(+), 15 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
> index 201596247fd9..70b10934a811 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
> @@ -250,21 +250,6 @@ eth_phy0: ethernet-phy@0 {
>  	};
>  };
>  
> -&gpio_ao {
> -	/*
> -	 * WARNING: The USB Hub on the Odroid-C2 needs a reset signal
> -	 * to be turned high in order to be detected by the USB Controller
> -	 * This signal should be handled by a USB specific power sequence
> -	 * in order to reset the Hub when USB bus is powered down.
> -	 */
> -	hog-0 {
> -		gpio-hog;
> -		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
> -		output-high;
> -		line-name = "usb-hub-reset";
> -	};
> -};
> -
>  &hdmi_tx {
>  	status = "okay";
>  	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
> @@ -414,5 +399,15 @@ &usb0 {
>  };
>  
>  &usb1 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
>  	status = "okay";
> +
> +	hub@1 {
> +		/* Genesys Logic GL852G USB 2.0 hub */
> +		compatible = "usb5e3,610";
> +		reg = <1>;
> +		vdd-supply = <&p5v0>;
> +		reset-gpio = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
> +	};
>  };
> -- 
> 2.38.1
> 

Hello,

This patch breaks USB support on the ODROID-C2. As soon as the
onboard_usb_hub module is loaded, all USB devices disconnect.
Blacklisting onboard_usb_hub makes USB work as expected.

I tried to reproduce the problem by manually toggling the reset line,
but the problem seems to be specific to this driver. When reset is
asserted manually, the devices disconnect, but they all enumerate again
as soon as reset is released.

Also, I have been unable to make USB work again (until the next reboot)
even after unloading onboard_usb_hub.

Ben

Re: [PATCH v3 3/9] arm64: dts: amlogic: Used onboard usb hub reset on odroid c2

[Krzysztof Kozlowski]

On 02/08/2023 23:06, Ben Wolsieffer wrote:
> On Sat, Jan 21, 2023 at 05:56:31PM +0000, Anand Moon wrote:
>> On Odroid c2 previously use gpio-hog to reset the usb hub,
>> switch to used on-board usb hub reset to enable the usb hub
>> and enable power to hub.
>>

...

>> +	hub@1 {
>> +		/* Genesys Logic GL852G USB 2.0 hub */
>> +		compatible = "usb5e3,610";
>> +		reg = <1>;
>> +		vdd-supply = <&p5v0>;
>> +		reset-gpio = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
>> +	};
>>  };
>> -- 
>> 2.38.1
>>
> 
> Hello,
> 
> This patch breaks USB support on the ODROID-C2. As soon as the
> onboard_usb_hub module is loaded, all USB devices disconnect.
> Blacklisting onboard_usb_hub makes USB work as expected.
> 
> I tried to reproduce the problem by manually toggling the reset line,
> but the problem seems to be specific to this driver. When reset is
> asserted manually, the devices disconnect, but they all enumerate again
> as soon as reset is released.
> 
> Also, I have been unable to make USB work again (until the next reboot)
> even after unloading onboard_usb_hub.

Wasn't this patch made exactly to fix USB support, not break it? I might
be missing something but maybe this was not tested at all?

Best regards,
Krzysztof

Re: [PATCH v3 3/9] arm64: dts: amlogic: Used onboard usb hub reset on odroid c2

[Ben Wolsieffer]

On Sat, Aug 05, 2023 at 11:30:21PM +0200, Krzysztof Kozlowski wrote:
> On 02/08/2023 23:06, Ben Wolsieffer wrote:
> > 
> > Hello,
> > 
> > This patch breaks USB support on the ODROID-C2. As soon as the
> > onboard_usb_hub module is loaded, all USB devices disconnect.
> > Blacklisting onboard_usb_hub makes USB work as expected.
> > 
> > I tried to reproduce the problem by manually toggling the reset line,
> > but the problem seems to be specific to this driver. When reset is
> > asserted manually, the devices disconnect, but they all enumerate again
> > as soon as reset is released.
> > 
> > Also, I have been unable to make USB work again (until the next reboot)
> > even after unloading onboard_usb_hub.
> 
> Wasn't this patch made exactly to fix USB support, not break it? I might
> be missing something but maybe this was not tested at all?
> 
> Best regards,
> Krzysztof
>

I have been using USB on the ODROID-C2 for several years without issues.
It looks to me that this patch was designed to make reset control for
the hub more elegant, rather than fix a specific issue. The same change
was applied to several devices, so it seems plausible that it was not
tested on all of them.

Thanks, Ben

Re: [PATCH v3 3/9] arm64: dts: amlogic: Used onboard usb hub reset on odroid c2

[Anand Moon]

Hi Ben,

On Sun, 6 Aug 2023 at 05:35, Ben Wolsieffer <benwolsieffer@gmail.com> wrote:
>
> On Sat, Aug 05, 2023 at 11:30:21PM +0200, Krzysztof Kozlowski wrote:
> > On 02/08/2023 23:06, Ben Wolsieffer wrote:
> > >
> > > Hello,
> > >
> > > This patch breaks USB support on the ODROID-C2. As soon as the
> > > onboard_usb_hub module is loaded, all USB devices disconnect.
> > > Blacklisting onboard_usb_hub makes USB work as expected.
> > >
> > > I tried to reproduce the problem by manually toggling the reset line,
> > > but the problem seems to be specific to this driver. When reset is
> > > asserted manually, the devices disconnect, but they all enumerate again
> > > as soon as reset is released.
> > >
> > > Also, I have been unable to make USB work again (until the next reboot)
> > > even after unloading onboard_usb_hub.
> >
> > Wasn't this patch made exactly to fix USB support, not break it? I might
> > be missing something but maybe this was not tested at all?
> >
> > Best regards,
> > Krzysztof
> >
>
> I have been using USB on the ODROID-C2 for several years without issues.
> It looks to me that this patch was designed to make reset control for
> the hub more elegant, rather than fix a specific issue. The same change
> was applied to several devices, so it seems plausible that it was not
> tested on all of them.
>

We tried to fix quite a few issues in the past but still, we could not
resolve core issues.
Will try to resolve these issues in the future.
I have tested these changes at my end on Odroid C1+, Odroid C2, and Odroid C4,

> Thanks, Ben

Thanks
-Anand

[PATCH v3 4/9] usb: misc: onboard_usb_hub: add Genesys Logic GL852G hub support

[Anand Moon]

Genesys Logic GL852G is a 4-port USB 2.0 STT hub that has a reset pin to
toggle and a 5.0V core supply exported though an integrated LDO is
available for powering it.

Add the support for this hub, for controlling the reset pin and the core
power supply.

Acked-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3: - Add Ack Matthias
v2: - fix the compatible string
    - drop the -OHG suffix from commit message.
    - Add reset delay.
---
 drivers/usb/misc/onboard_usb_hub.c | 1 +
 drivers/usb/misc/onboard_usb_hub.h | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 94e7966e199d..9bf59792fb94 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -409,6 +409,7 @@ static void onboard_hub_usbdev_disconnect(struct usb_device *udev)
 
 static const struct usb_device_id onboard_hub_id_table[] = {
 	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0608) }, /* Genesys Logic GL850G USB 2.0 */
+	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0610) }, /* Genesys Logic GL852G USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2514) }, /* USB2514B USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0411) }, /* RTS5411 USB 3.1 */
 	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5411) }, /* RTS5411 USB 2.1 */
diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h
index 62129a6a1ba5..163fc07abf25 100644
--- a/drivers/usb/misc/onboard_usb_hub.h
+++ b/drivers/usb/misc/onboard_usb_hub.h
@@ -26,11 +26,16 @@ static const struct onboard_hub_pdata genesys_gl850g_data = {
 	.reset_us = 3,
 };
 
+static const struct onboard_hub_pdata genesys_gl852g_data = {
+	.reset_us = 50,
+};
+
 static const struct of_device_id onboard_hub_match[] = {
 	{ .compatible = "usb424,2514", .data = &microchip_usb424_data, },
 	{ .compatible = "usb451,8140", .data = &ti_tusb8041_data, },
 	{ .compatible = "usb451,8142", .data = &ti_tusb8041_data, },
 	{ .compatible = "usb5e3,608", .data = &genesys_gl850g_data, },
+	{ .compatible = "usb5e3,610", .data = &genesys_gl852g_data, },
 	{ .compatible = "usbbda,411", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,5411", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,414", .data = &realtek_rts5411_data, },
-- 
2.38.1

[PATCH v3 5/9] vendor-prefixes: Add VIA Labs, Inc.

[Anand Moon]

Add the vendor prefix for VIA Labs, Inc. (VLI) is a supplier
of USB and USB Power Delivery controllers for multi-functional devices
and platforms.

Website: https://www.via-labs.com/

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3: - None
V2: - drop Drop marketing, so without "leading".
    - add Ack of Krzysztof
---
 Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 70ffb3780621..d19b7f9cef4c 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1398,6 +1398,8 @@ patternProperties:
     description: Vertexcom Technologies, Inc.
   "^via,.*":
     description: VIA Technologies, Inc.
+  "^vialab,.*":
+    description: VIA Labs, Inc.
   "^vicor,.*":
     description: Vicor Corporation
   "^videostrong,.*":
-- 
2.38.1

Re: [PATCH v3 5/9] vendor-prefixes: Add VIA Labs, Inc.

[Krzysztof Kozlowski]

On 21/01/2023 18:56, Anand Moon wrote:
> Add the vendor prefix for VIA Labs, Inc. (VLI) is a supplier
> of USB and USB Power Delivery controllers for multi-functional devices
> and platforms.
> 
> Website: https://www.via-labs.com/
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> v3: - None
> V2: - drop Drop marketing, so without "leading".

Wasn't this merged? Didn't you get email?

Best regards,
Krzysztof

Re: [PATCH v3 5/9] vendor-prefixes: Add VIA Labs, Inc.

[Anand Moon]

Hi Krzysztof,

On Sun, 22 Jan 2023 at 00:21, Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 21/01/2023 18:56, Anand Moon wrote:
> > Add the vendor prefix for VIA Labs, Inc. (VLI) is a supplier
> > of USB and USB Power Delivery controllers for multi-functional devices
> > and platforms.
> >
> > Website: https://www.via-labs.com/
> >
> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> > Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> > ---
> > v3: - None
> > V2: - drop Drop marketing, so without "leading".
>
> Wasn't this merged? Didn't you get email?
>

Yes, it was merged into USB testing branch.
I have rebased it on Linux master 6.2-rc5,
I hope this series picks up again.

> Best regards,
> Krzysztof
>
Thanks
-Anand

Re: [PATCH v3 5/9] vendor-prefixes: Add VIA Labs, Inc.

[Krzysztof Kozlowski]

On 22/01/2023 08:04, Anand Moon wrote:
> Hi Krzysztof,
> 
> On Sun, 22 Jan 2023 at 00:21, Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>>
>> On 21/01/2023 18:56, Anand Moon wrote:
>>> Add the vendor prefix for VIA Labs, Inc. (VLI) is a supplier
>>> of USB and USB Power Delivery controllers for multi-functional devices
>>> and platforms.
>>>
>>> Website: https://www.via-labs.com/
>>>
>>> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>>> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
>>> ---
>>> v3: - None
>>> V2: - drop Drop marketing, so without "leading".
>>
>> Wasn't this merged? Didn't you get email?
>>
> 
> Yes, it was merged into USB testing branch.
> I have rebased it on Linux master 6.2-rc5,
> I hope this series picks up again.

No, that's not how it works. If patch was picked up, you must drop it.
Otherwise you might mislead maintainers (e.g. other maintainer) to pick
it up again.


Best regards,
Krzysztof

Re: [PATCH v3 5/9] vendor-prefixes: Add VIA Labs, Inc.

[Anand Moon]

Hi Krzysztof,

On Sun, 22 Jan 2023 at 15:06, Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 22/01/2023 08:04, Anand Moon wrote:
> > Hi Krzysztof,
> >
> > On Sun, 22 Jan 2023 at 00:21, Krzysztof Kozlowski
> > <krzysztof.kozlowski@linaro.org> wrote:
> >>
> >> On 21/01/2023 18:56, Anand Moon wrote:
> >>> Add the vendor prefix for VIA Labs, Inc. (VLI) is a supplier
> >>> of USB and USB Power Delivery controllers for multi-functional devices
> >>> and platforms.
> >>>
> >>> Website: https://www.via-labs.com/
> >>>
> >>> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> >>> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> >>> ---
> >>> v3: - None
> >>> V2: - drop Drop marketing, so without "leading".
> >>
> >> Wasn't this merged? Didn't you get email?
> >>
> >
> > Yes, it was merged into USB testing branch.
> > I have rebased it on Linux master 6.2-rc5,
> > I hope this series picks up again.
>
> No, that's not how it works. If patch was picked up, you must drop it.
> Otherwise you might mislead maintainers (e.g. other maintainer) to pick
> it up again.
>

Ok I will keep this in my mind for the future.

>
> Best regards,
> Krzysztof
>
Thanks
-Anand

[PATCH v3 6/9] dt-bindings: usb: Add Via lab VL817 hub

[Anand Moon]

The VIA Lab VL817 is a USB 3.1 Gen 1 hub and USB 2.0 hub
controller that features 4 downstream ports and 1 otg, with
an internal 5V regulator and has external reset pin.

Add a device tree binding for its USB protocol part.
The internal LDO is not covered by this and can just be modelled
as a fixed regulator.

Add combo of USB 2.0 and USB 3.0 root hub using peer-hub.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3 - address review coments - Krzysztof
     dropped dr_mode
v2 - fix the compatible string and fix the $id
   - update the commit message.
   - update the example for use peer-hub node because it
     combo of USB 2.0 and USB 3.0 hub.
   - rename the yaml file from vialab,vl817q7.yaml to vialab,vl817.yaml
     as q7 suffix is ued for USB 3.1 and q5 suffix is used for USB 2.0.
---
 .../devicetree/bindings/usb/vialab,vl817.yaml | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/vialab,vl817.yaml

diff --git a/Documentation/devicetree/bindings/usb/vialab,vl817.yaml b/Documentation/devicetree/bindings/usb/vialab,vl817.yaml
new file mode 100644
index 000000000000..23a13e1d5c7a
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/vialab,vl817.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/vialab,vl817.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Via labs VL817 USB 3.1 hub controller
+
+maintainers:
+  - Anand Moon <linux.amoon@gmail.com>
+
+allOf:
+  - $ref: usb-device.yaml#
+
+properties:
+  compatible:
+    enum:
+      - usb2109,2817
+      - usb2109,817
+
+  reg: true
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      GPIO controlling the RESET# pin.
+
+  vdd-supply:
+    description:
+      phandle to the regulator that provides power to the hub.
+
+  peer-hub:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to the peer hub on the controller.
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - vdd-supply
+  - peer-hub
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    usb {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        /* 2.0 hub on port 1 */
+        hub_2_0: hub@1 {
+            compatible = "usb2109,2817";
+            reg = <1>;
+            vdd-supply = <&vcc_5v>;
+            peer-hub = <&hub_3_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+        };
+
+        /* 3.1 hub on port 4 */
+        hub_3_0: hub@2 {
+            compatible = "usb2109,817";
+            reg = <2>;
+            vdd-supply = <&vcc_5v>;
+            peer-hub = <&hub_2_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+        };
+    };
-- 
2.38.1

Re: [PATCH v3 6/9] dt-bindings: usb: Add Via lab VL817 hub

[Krzysztof Kozlowski]

On 21/01/2023 18:56, Anand Moon wrote:
> The VIA Lab VL817 is a USB 3.1 Gen 1 hub and USB 2.0 hub
> controller that features 4 downstream ports and 1 otg, with
> an internal 5V regulator and has external reset pin.
> 
> Add a device tree binding for its USB protocol part.
> The internal LDO is not covered by this and can just be modelled
> as a fixed regulator.
> 
> Add combo of USB 2.0 and USB 3.0 root hub using peer-hub.
> 
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> v3 - address review coments - Krzysztof

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof

[PATCH v3 7/9] arm64: dts: amlogic: Used onboard usb hub reset on odroid c4

[Anand Moon]

On Odroid c4 previously use gpio-hog to reset the usb hub,
switch to used on-board usb hub reset to enable the usb hub
and enable power to hub.

USB hub is combination of USB 2.0 and USB 3.0 root hub so
use peer-hub node to link then.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3: - move the usb hub under dwc3 node.
      dropped dr_mode
v2: - fix the compatible string.
    - Fix the hub node to use peer-hub to link the usb 2.0 and usb 3.0.
---
 .../boot/dts/amlogic/meson-sm1-odroid-c4.dts  | 33 ++++++++++++-------
 1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
index 8c30ce63686e..a988015dd2d5 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
@@ -28,18 +28,27 @@ sound {
 	};
 };
 
-&gpio {
-	/*
-	 * WARNING: The USB Hub on the Odroid-C4 needs a reset signal
-	 * to be turned high in order to be detected by the USB Controller
-	 * This signal should be handled by a USB specific power sequence
-	 * in order to reset the Hub when USB bus is powered down.
-	 */
-	hog-0 {
-		gpio-hog;
-		gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
-		output-high;
-		line-name = "usb-hub-reset";
+&dwc3 {
+	/* USB hub supports both USB 2.0 and USB 3.0 root hub */
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	/* 2.0 hub on port 1 */
+	hub_2_0: hub@1 {
+		compatible = "usb2109,2817";
+		reg = <1>;
+		peer-hub = <&hub_3_0>;
+		reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
+		vdd-supply = <&vcc_5v>;
+	};
+
+	/* 3.1 hub on port 4 */
+	hub_3_0: hub@2 {
+		compatible = "usb2109,817";
+		reg = <2>;
+		peer-hub = <&hub_2_0>;
+		reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
+		vdd-supply = <&vcc_5v>;
 	};
 };
 
-- 
2.38.1

[PATCH v3 8/9] usb: misc: onboard_usb_hub: add VIA LAB VL817 hub support

[Anand Moon]

VIA LAB VL817 is a 4-port USB 3.1 hub and USB 2.0 root hub
that has a reset pin to toggle and a 5.0V core supply exported
though an integrated LDO is available for powering it.

Add the support for this hub, for controlling the reset pin and
the core power supply.

Add USB device id's for USB 2.0 and USB 3.0 root hub.

Acked-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3 - Add ack Matthias
v2 - fix the compatible string and update the commit message
   - update the USB device id for USB 3.0 and USB 2.0 root hub.
---
 drivers/usb/misc/onboard_usb_hub.c | 3 +++
 drivers/usb/misc/onboard_usb_hub.h | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 9bf59792fb94..945d4e7125ea 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -335,6 +335,7 @@ static struct platform_driver onboard_hub_driver = {
 #define VENDOR_ID_MICROCHIP	0x0424
 #define VENDOR_ID_REALTEK	0x0bda
 #define VENDOR_ID_TI		0x0451
+#define VENDOR_ID_VIA		0x2109
 
 /*
  * Returns the onboard_hub platform device that is associated with the USB
@@ -417,6 +418,8 @@ static const struct usb_device_id onboard_hub_id_table[] = {
 	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5414) }, /* RTS5414 USB 2.1 */
 	{ USB_DEVICE(VENDOR_ID_TI, 0x8140) }, /* TI USB8041 3.0 */
 	{ USB_DEVICE(VENDOR_ID_TI, 0x8142) }, /* TI USB8041 2.0 */
+	{ USB_DEVICE(VENDOR_ID_VIA, 0x0817) }, /* VIA VL817 3.1 */
+	{ USB_DEVICE(VENDOR_ID_VIA, 0x2817) }, /* VIA VL817 2.0 */
 	{}
 };
 MODULE_DEVICE_TABLE(usb, onboard_hub_id_table);
diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h
index 163fc07abf25..0a943a154649 100644
--- a/drivers/usb/misc/onboard_usb_hub.h
+++ b/drivers/usb/misc/onboard_usb_hub.h
@@ -30,6 +30,10 @@ static const struct onboard_hub_pdata genesys_gl852g_data = {
 	.reset_us = 50,
 };
 
+static const struct onboard_hub_pdata vialab_vl817_data = {
+	.reset_us = 10,
+};
+
 static const struct of_device_id onboard_hub_match[] = {
 	{ .compatible = "usb424,2514", .data = &microchip_usb424_data, },
 	{ .compatible = "usb451,8140", .data = &ti_tusb8041_data, },
@@ -40,6 +44,8 @@ static const struct of_device_id onboard_hub_match[] = {
 	{ .compatible = "usbbda,5411", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,414", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,5414", .data = &realtek_rts5411_data, },
+	{ .compatible = "usb2109,817", .data = &vialab_vl817_data, },
+	{ .compatible = "usb2109,2817", .data = &vialab_vl817_data, },
 	{}
 };
 
-- 
2.38.1

[PATCH v3 9/9] arm64: defconfig: Enable USB onboard HUB driver

[Anand Moon]

Enable the USB onboard HUB driver, used on Amlogic boards.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
v3: add rev Neil
v2: none
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 851e8f9be06d..42c3528a2473 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -923,6 +923,7 @@ CONFIG_USB_SERIAL_CP210X=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
 CONFIG_USB_SERIAL_OPTION=m
 CONFIG_USB_HSIC_USB3503=y
+CONFIG_USB_ONBOARD_HUB=m
 CONFIG_NOP_USB_XCEIV=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_RENESAS_USBHS_UDC=m
-- 
2.38.1