* [PATCH] dt-binding: usb: add usb-role-switch property
@ 2019-04-28 12:27 ` Chunfeng Yun
0 siblings, 0 replies; 10+ messages in thread
From: Chunfeng Yun @ 2019-04-28 12:27 UTC (permalink / raw)
To: Rob Herring
Cc: Greg Kroah-Hartman, Mark Rutland, Matthias Brugger, linux-usb,
devicetree, linux-kernel, linux-arm-kernel, linux-mediatek,
Biju Das, Yu Chen, Heikki Krogerus, Min Guo, Felipe Balbi,
Chunfeng Yun
Add a property usb-role-switch to tell Dual-Role controller driver
that use USB Role Switch framework to handle the role switch between
host mode and device mode, it's useful when the driver has already
supported other ways, such as extcon framework etc.
Cc: Biju Das <biju.das@bp.renesas.com>
Cc: Yu Chen <chenyu56@huawei.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v1:
the property is discussed in:
[v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
https://patchwork.kernel.org/patch/10852497/
Mediatek and Hisilicon also try to use it:
[v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
https://patchwork.kernel.org/patch/10918385/
[v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
https://patchwork.kernel.org/patch/10918367/
[v6,10/13] usb: dwc3: Registering a role switch in the DRD code
https://patchwork.kernel.org/patch/10909981/
---
Documentation/devicetree/bindings/usb/generic.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
index 0a74ab8dfdc2..c73950b72513 100644
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ b/Documentation/devicetree/bindings/usb/generic.txt
@@ -30,6 +30,9 @@ Optional properties:
optional for OTG device.
- adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
optional for OTG device.
+ - usb-role-switch: tells Dual-Role USB controller driver that we want to use
+ USB Role Switch framework to handle the role switch
+ between host mode and device mode.
This is an attribute to a USB controller such as:
--
2.21.0
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH] dt-binding: usb: add usb-role-switch property
@ 2019-04-28 12:27 ` Chunfeng Yun
0 siblings, 0 replies; 10+ messages in thread
From: Chunfeng Yun @ 2019-04-28 12:27 UTC (permalink / raw)
To: Rob Herring
Cc: Mark Rutland, devicetree, Heikki Krogerus, Felipe Balbi,
Greg Kroah-Hartman, linux-usb, Yu Chen, linux-kernel, Biju Das,
Chunfeng Yun, linux-mediatek, Min Guo, Matthias Brugger,
linux-arm-kernel
Add a property usb-role-switch to tell Dual-Role controller driver
that use USB Role Switch framework to handle the role switch between
host mode and device mode, it's useful when the driver has already
supported other ways, such as extcon framework etc.
Cc: Biju Das <biju.das@bp.renesas.com>
Cc: Yu Chen <chenyu56@huawei.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v1:
the property is discussed in:
[v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
https://patchwork.kernel.org/patch/10852497/
Mediatek and Hisilicon also try to use it:
[v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
https://patchwork.kernel.org/patch/10918385/
[v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
https://patchwork.kernel.org/patch/10918367/
[v6,10/13] usb: dwc3: Registering a role switch in the DRD code
https://patchwork.kernel.org/patch/10909981/
---
Documentation/devicetree/bindings/usb/generic.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
index 0a74ab8dfdc2..c73950b72513 100644
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ b/Documentation/devicetree/bindings/usb/generic.txt
@@ -30,6 +30,9 @@ Optional properties:
optional for OTG device.
- adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
optional for OTG device.
+ - usb-role-switch: tells Dual-Role USB controller driver that we want to use
+ USB Role Switch framework to handle the role switch
+ between host mode and device mode.
This is an attribute to a USB controller such as:
--
2.21.0
^ permalink raw reply related [flat|nested] 10+ messages in thread
* dt-binding: usb: add usb-role-switch property
@ 2019-04-28 12:27 ` Chunfeng Yun
0 siblings, 0 replies; 10+ messages in thread
From: Chunfeng Yun @ 2019-04-28 12:27 UTC (permalink / raw)
To: Rob Herring
Cc: Greg Kroah-Hartman, Mark Rutland, Matthias Brugger, linux-usb,
devicetree, linux-kernel, linux-arm-kernel, linux-mediatek,
Biju Das, Yu Chen, Heikki Krogerus, Min Guo, Felipe Balbi,
Chunfeng Yun
Add a property usb-role-switch to tell Dual-Role controller driver
that use USB Role Switch framework to handle the role switch between
host mode and device mode, it's useful when the driver has already
supported other ways, such as extcon framework etc.
Cc: Biju Das <biju.das@bp.renesas.com>
Cc: Yu Chen <chenyu56@huawei.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v1:
the property is discussed in:
[v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
https://patchwork.kernel.org/patch/10852497/
Mediatek and Hisilicon also try to use it:
[v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
https://patchwork.kernel.org/patch/10918385/
[v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
https://patchwork.kernel.org/patch/10918367/
[v6,10/13] usb: dwc3: Registering a role switch in the DRD code
https://patchwork.kernel.org/patch/10909981/
---
Documentation/devicetree/bindings/usb/generic.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
index 0a74ab8dfdc2..c73950b72513 100644
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ b/Documentation/devicetree/bindings/usb/generic.txt
@@ -30,6 +30,9 @@ Optional properties:
optional for OTG device.
- adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
optional for OTG device.
+ - usb-role-switch: tells Dual-Role USB controller driver that we want to use
+ USB Role Switch framework to handle the role switch
+ between host mode and device mode.
This is an attribute to a USB controller such as:
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH] dt-binding: usb: add usb-role-switch property
@ 2019-04-28 12:27 ` Chunfeng Yun
0 siblings, 0 replies; 10+ messages in thread
From: Chunfeng Yun @ 2019-04-28 12:27 UTC (permalink / raw)
To: Rob Herring
Cc: Mark Rutland, devicetree, Heikki Krogerus, Felipe Balbi,
Greg Kroah-Hartman, linux-usb, Yu Chen, linux-kernel, Biju Das,
Chunfeng Yun, linux-mediatek, Min Guo, Matthias Brugger,
linux-arm-kernel
Add a property usb-role-switch to tell Dual-Role controller driver
that use USB Role Switch framework to handle the role switch between
host mode and device mode, it's useful when the driver has already
supported other ways, such as extcon framework etc.
Cc: Biju Das <biju.das@bp.renesas.com>
Cc: Yu Chen <chenyu56@huawei.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v1:
the property is discussed in:
[v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
https://patchwork.kernel.org/patch/10852497/
Mediatek and Hisilicon also try to use it:
[v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
https://patchwork.kernel.org/patch/10918385/
[v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
https://patchwork.kernel.org/patch/10918367/
[v6,10/13] usb: dwc3: Registering a role switch in the DRD code
https://patchwork.kernel.org/patch/10909981/
---
Documentation/devicetree/bindings/usb/generic.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
index 0a74ab8dfdc2..c73950b72513 100644
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ b/Documentation/devicetree/bindings/usb/generic.txt
@@ -30,6 +30,9 @@ Optional properties:
optional for OTG device.
- adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
optional for OTG device.
+ - usb-role-switch: tells Dual-Role USB controller driver that we want to use
+ USB Role Switch framework to handle the role switch
+ between host mode and device mode.
This is an attribute to a USB controller such as:
--
2.21.0
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH] dt-binding: usb: add usb-role-switch property
@ 2019-05-02 19:49 ` Rob Herring
0 siblings, 0 replies; 10+ messages in thread
From: Rob Herring @ 2019-05-02 19:49 UTC (permalink / raw)
To: Chunfeng Yun
Cc: Greg Kroah-Hartman, Mark Rutland, Matthias Brugger, linux-usb,
devicetree, linux-kernel, linux-arm-kernel, linux-mediatek,
Biju Das, Yu Chen, Heikki Krogerus, Min Guo, Felipe Balbi
On Sun, Apr 28, 2019 at 08:27:46PM +0800, Chunfeng Yun wrote:
> Add a property usb-role-switch to tell Dual-Role controller driver
> that use USB Role Switch framework to handle the role switch between
> host mode and device mode, it's useful when the driver has already
> supported other ways, such as extcon framework etc.
>
> Cc: Biju Das <biju.das@bp.renesas.com>
> Cc: Yu Chen <chenyu56@huawei.com>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
> v1:
> the property is discussed in:
> [v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
> https://patchwork.kernel.org/patch/10852497/
>
> Mediatek and Hisilicon also try to use it:
> [v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
> https://patchwork.kernel.org/patch/10918385/
> [v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
> https://patchwork.kernel.org/patch/10918367/
>
> [v6,10/13] usb: dwc3: Registering a role switch in the DRD code
> https://patchwork.kernel.org/patch/10909981/
> ---
> Documentation/devicetree/bindings/usb/generic.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
> index 0a74ab8dfdc2..c73950b72513 100644
> --- a/Documentation/devicetree/bindings/usb/generic.txt
> +++ b/Documentation/devicetree/bindings/usb/generic.txt
> @@ -30,6 +30,9 @@ Optional properties:
> optional for OTG device.
> - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
> optional for OTG device.
> + - usb-role-switch: tells Dual-Role USB controller driver that we want to use
> + USB Role Switch framework to handle the role switch
> + between host mode and device mode.
Please describe this in terms of h/w functionality, not drivers and
Linux things.
Rob
^ permalink raw reply [flat|nested] 10+ messages in thread
* dt-binding: usb: add usb-role-switch property
@ 2019-05-02 19:49 ` Rob Herring
0 siblings, 0 replies; 10+ messages in thread
From: Rob Herring @ 2019-05-02 19:49 UTC (permalink / raw)
To: Chunfeng Yun
Cc: Greg Kroah-Hartman, Mark Rutland, Matthias Brugger, linux-usb,
devicetree, linux-kernel, linux-arm-kernel, linux-mediatek,
Biju Das, Yu Chen, Heikki Krogerus, Min Guo, Felipe Balbi
On Sun, Apr 28, 2019 at 08:27:46PM +0800, Chunfeng Yun wrote:
> Add a property usb-role-switch to tell Dual-Role controller driver
> that use USB Role Switch framework to handle the role switch between
> host mode and device mode, it's useful when the driver has already
> supported other ways, such as extcon framework etc.
>
> Cc: Biju Das <biju.das@bp.renesas.com>
> Cc: Yu Chen <chenyu56@huawei.com>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
> v1:
> the property is discussed in:
> [v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
> https://patchwork.kernel.org/patch/10852497/
>
> Mediatek and Hisilicon also try to use it:
> [v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
> https://patchwork.kernel.org/patch/10918385/
> [v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
> https://patchwork.kernel.org/patch/10918367/
>
> [v6,10/13] usb: dwc3: Registering a role switch in the DRD code
> https://patchwork.kernel.org/patch/10909981/
> ---
> Documentation/devicetree/bindings/usb/generic.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
> index 0a74ab8dfdc2..c73950b72513 100644
> --- a/Documentation/devicetree/bindings/usb/generic.txt
> +++ b/Documentation/devicetree/bindings/usb/generic.txt
> @@ -30,6 +30,9 @@ Optional properties:
> optional for OTG device.
> - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
> optional for OTG device.
> + - usb-role-switch: tells Dual-Role USB controller driver that we want to use
> + USB Role Switch framework to handle the role switch
> + between host mode and device mode.
Please describe this in terms of h/w functionality, not drivers and
Linux things.
Rob
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] dt-binding: usb: add usb-role-switch property
@ 2019-05-02 19:49 ` Rob Herring
0 siblings, 0 replies; 10+ messages in thread
From: Rob Herring @ 2019-05-02 19:49 UTC (permalink / raw)
To: Chunfeng Yun
Cc: Mark Rutland, devicetree, Heikki Krogerus, Felipe Balbi,
Greg Kroah-Hartman, linux-usb, Yu Chen, linux-kernel, Biju Das,
linux-mediatek, Min Guo, Matthias Brugger, linux-arm-kernel
On Sun, Apr 28, 2019 at 08:27:46PM +0800, Chunfeng Yun wrote:
> Add a property usb-role-switch to tell Dual-Role controller driver
> that use USB Role Switch framework to handle the role switch between
> host mode and device mode, it's useful when the driver has already
> supported other ways, such as extcon framework etc.
>
> Cc: Biju Das <biju.das@bp.renesas.com>
> Cc: Yu Chen <chenyu56@huawei.com>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
> v1:
> the property is discussed in:
> [v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
> https://patchwork.kernel.org/patch/10852497/
>
> Mediatek and Hisilicon also try to use it:
> [v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
> https://patchwork.kernel.org/patch/10918385/
> [v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
> https://patchwork.kernel.org/patch/10918367/
>
> [v6,10/13] usb: dwc3: Registering a role switch in the DRD code
> https://patchwork.kernel.org/patch/10909981/
> ---
> Documentation/devicetree/bindings/usb/generic.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
> index 0a74ab8dfdc2..c73950b72513 100644
> --- a/Documentation/devicetree/bindings/usb/generic.txt
> +++ b/Documentation/devicetree/bindings/usb/generic.txt
> @@ -30,6 +30,9 @@ Optional properties:
> optional for OTG device.
> - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
> optional for OTG device.
> + - usb-role-switch: tells Dual-Role USB controller driver that we want to use
> + USB Role Switch framework to handle the role switch
> + between host mode and device mode.
Please describe this in terms of h/w functionality, not drivers and
Linux things.
Rob
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] dt-binding: usb: add usb-role-switch property
2019-05-02 19:49 ` Rob Herring
(?)
@ 2019-05-07 2:26 ` Chunfeng Yun
-1 siblings, 0 replies; 10+ messages in thread
From: Chunfeng Yun @ 2019-05-07 2:26 UTC (permalink / raw)
To: Rob Herring
Cc: Greg Kroah-Hartman, Mark Rutland, Matthias Brugger, linux-usb,
devicetree, linux-kernel, linux-arm-kernel, linux-mediatek,
Biju Das, Yu Chen, Heikki Krogerus, Min Guo, Felipe Balbi
On Thu, 2019-05-02 at 14:49 -0500, Rob Herring wrote:
> On Sun, Apr 28, 2019 at 08:27:46PM +0800, Chunfeng Yun wrote:
> > Add a property usb-role-switch to tell Dual-Role controller driver
> > that use USB Role Switch framework to handle the role switch between
> > host mode and device mode, it's useful when the driver has already
> > supported other ways, such as extcon framework etc.
> >
> > Cc: Biju Das <biju.das@bp.renesas.com>
> > Cc: Yu Chen <chenyu56@huawei.com>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> > ---
> > v1:
> > the property is discussed in:
> > [v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
> > https://patchwork.kernel.org/patch/10852497/
> >
> > Mediatek and Hisilicon also try to use it:
> > [v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
> > https://patchwork.kernel.org/patch/10918385/
> > [v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
> > https://patchwork.kernel.org/patch/10918367/
> >
> > [v6,10/13] usb: dwc3: Registering a role switch in the DRD code
> > https://patchwork.kernel.org/patch/10909981/
> > ---
> > Documentation/devicetree/bindings/usb/generic.txt | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
> > index 0a74ab8dfdc2..c73950b72513 100644
> > --- a/Documentation/devicetree/bindings/usb/generic.txt
> > +++ b/Documentation/devicetree/bindings/usb/generic.txt
> > @@ -30,6 +30,9 @@ Optional properties:
> > optional for OTG device.
> > - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
> > optional for OTG device.
> > + - usb-role-switch: tells Dual-Role USB controller driver that we want to use
> > + USB Role Switch framework to handle the role switch
> > + between host mode and device mode.
>
> Please describe this in terms of h/w functionality, not drivers and
> Linux things.
Sorry for the late reply, v2 is posted
>
> Rob
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] dt-binding: usb: add usb-role-switch property
@ 2019-05-07 2:26 ` Chunfeng Yun
0 siblings, 0 replies; 10+ messages in thread
From: Chunfeng Yun @ 2019-05-07 2:26 UTC (permalink / raw)
To: Rob Herring
Cc: Greg Kroah-Hartman, Mark Rutland, Matthias Brugger, linux-usb,
devicetree, linux-kernel, linux-arm-kernel, linux-mediatek,
Biju Das, Yu Chen, Heikki Krogerus, Min Guo, Felipe Balbi
On Thu, 2019-05-02 at 14:49 -0500, Rob Herring wrote:
> On Sun, Apr 28, 2019 at 08:27:46PM +0800, Chunfeng Yun wrote:
> > Add a property usb-role-switch to tell Dual-Role controller driver
> > that use USB Role Switch framework to handle the role switch between
> > host mode and device mode, it's useful when the driver has already
> > supported other ways, such as extcon framework etc.
> >
> > Cc: Biju Das <biju.das@bp.renesas.com>
> > Cc: Yu Chen <chenyu56@huawei.com>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> > ---
> > v1:
> > the property is discussed in:
> > [v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
> > https://patchwork.kernel.org/patch/10852497/
> >
> > Mediatek and Hisilicon also try to use it:
> > [v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
> > https://patchwork.kernel.org/patch/10918385/
> > [v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
> > https://patchwork.kernel.org/patch/10918367/
> >
> > [v6,10/13] usb: dwc3: Registering a role switch in the DRD code
> > https://patchwork.kernel.org/patch/10909981/
> > ---
> > Documentation/devicetree/bindings/usb/generic.txt | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
> > index 0a74ab8dfdc2..c73950b72513 100644
> > --- a/Documentation/devicetree/bindings/usb/generic.txt
> > +++ b/Documentation/devicetree/bindings/usb/generic.txt
> > @@ -30,6 +30,9 @@ Optional properties:
> > optional for OTG device.
> > - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
> > optional for OTG device.
> > + - usb-role-switch: tells Dual-Role USB controller driver that we want to use
> > + USB Role Switch framework to handle the role switch
> > + between host mode and device mode.
>
> Please describe this in terms of h/w functionality, not drivers and
> Linux things.
Sorry for the late reply, v2 is posted
>
> Rob
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] dt-binding: usb: add usb-role-switch property
@ 2019-05-07 2:26 ` Chunfeng Yun
0 siblings, 0 replies; 10+ messages in thread
From: Chunfeng Yun @ 2019-05-07 2:26 UTC (permalink / raw)
To: Rob Herring
Cc: Mark Rutland, devicetree, Heikki Krogerus, Felipe Balbi,
Greg Kroah-Hartman, linux-usb, Yu Chen, linux-kernel, Biju Das,
linux-mediatek, Min Guo, Matthias Brugger, linux-arm-kernel
On Thu, 2019-05-02 at 14:49 -0500, Rob Herring wrote:
> On Sun, Apr 28, 2019 at 08:27:46PM +0800, Chunfeng Yun wrote:
> > Add a property usb-role-switch to tell Dual-Role controller driver
> > that use USB Role Switch framework to handle the role switch between
> > host mode and device mode, it's useful when the driver has already
> > supported other ways, such as extcon framework etc.
> >
> > Cc: Biju Das <biju.das@bp.renesas.com>
> > Cc: Yu Chen <chenyu56@huawei.com>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> > ---
> > v1:
> > the property is discussed in:
> > [v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property
> > https://patchwork.kernel.org/patch/10852497/
> >
> > Mediatek and Hisilicon also try to use it:
> > [v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch
> > https://patchwork.kernel.org/patch/10918385/
> > [v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode
> > https://patchwork.kernel.org/patch/10918367/
> >
> > [v6,10/13] usb: dwc3: Registering a role switch in the DRD code
> > https://patchwork.kernel.org/patch/10909981/
> > ---
> > Documentation/devicetree/bindings/usb/generic.txt | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
> > index 0a74ab8dfdc2..c73950b72513 100644
> > --- a/Documentation/devicetree/bindings/usb/generic.txt
> > +++ b/Documentation/devicetree/bindings/usb/generic.txt
> > @@ -30,6 +30,9 @@ Optional properties:
> > optional for OTG device.
> > - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
> > optional for OTG device.
> > + - usb-role-switch: tells Dual-Role USB controller driver that we want to use
> > + USB Role Switch framework to handle the role switch
> > + between host mode and device mode.
>
> Please describe this in terms of h/w functionality, not drivers and
> Linux things.
Sorry for the late reply, v2 is posted
>
> Rob
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^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2019-05-07 2:26 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-04-28 12:27 [PATCH] dt-binding: usb: add usb-role-switch property Chunfeng Yun
2019-04-28 12:27 ` Chunfeng Yun
2019-04-28 12:27 ` Chunfeng Yun
2019-04-28 12:27 ` [PATCH] " Chunfeng Yun
2019-05-02 19:49 ` Rob Herring
2019-05-02 19:49 ` Rob Herring
2019-05-02 19:49 ` Rob Herring
2019-05-07 2:26 ` [PATCH] " Chunfeng Yun
2019-05-07 2:26 ` Chunfeng Yun
2019-05-07 2:26 ` Chunfeng Yun
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