diff mbox series

[v2,02/10] dt-bindings: misc: Add bindings for HiSilicon usb hub and data role switch functionality on HiKey960

Message ID 20190218112310.17860-3-chenyu56@huawei.com
State Changes Requested, archived
Headers show
Series Add support for usb on Hikey960 | expand

Checks

Context Check Description
robh/checkpatch success

Commit Message

Chen Yu Feb. 18, 2019, 11:23 a.m. UTC
This patch adds binding documentation to support usb hub and usb
data role switch of Hisilicon HiKey960 Board.

Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Binghui Wang <wangbinghui@hisilicon.com>
Signed-off-by: Yu Chen <chenyu56@huawei.com>
---
v1:
* Fix some format errors as suggested by Sergei.
* Modify gpio description to use gpiod API.
v2:
* Remove information about Hikey.
* Fix gpio description.
* Remove device_type of endpoint.
---
---
 .../bindings/misc/hisilicon-hikey-usb.txt          | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt

Comments

Sergei Shtylyov Feb. 19, 2019, 8:25 a.m. UTC | #1
Hello!

On 18.02.2019 14:23, Yu Chen wrote:

> This patch adds binding documentation to support usb hub and usb
> data role switch of Hisilicon HiKey960 Board.
> 
> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: John Stultz <john.stultz@linaro.org>
> Cc: Binghui Wang <wangbinghui@hisilicon.com>
> Signed-off-by: Yu Chen <chenyu56@huawei.com>
> ---
> v1:
> * Fix some format errors as suggested by Sergei.
> * Modify gpio description to use gpiod API.
> v2:
> * Remove information about Hikey.
> * Fix gpio description.
> * Remove device_type of endpoint.
> ---
> ---
>   .../bindings/misc/hisilicon-hikey-usb.txt          | 35 ++++++++++++++++++++++
>   1 file changed, 35 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
> 
> diff --git a/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
> new file mode 100644
> index 000000000000..c2b789b515df
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
> @@ -0,0 +1,35 @@
> +Support usb hub and usb data role switch of Hisilicon HiKey960 Board.
> +
> +-----------------------------
> +
> +Required properties:
> +- compatible: "hisilicon,gpio-hubv1","hisilicon,hikey960-usb"

    Only one of those, looking at your example?
    Need a space after comma, BTW.

> +- typec-vbus-gpios: gpio to control the vbus of typeC port
> +- typec-vbus-enable-val: gpio value that enable the vbus of typeC port

    Hm, I thought that can be inferred from the GPIO specifier above...

> +- otg-switch-gpios: gpio to switch DP & DM between the hub and typeC port
> +- hub-vdd33-en-gpios: gpio to enable the power of hub
> +- pinctrl-0: pinctrl config

    You forgot about "pinctrl-names"...

> +
> +Example
> +-----
> +
> +	hisi_hikey_usb: hisi_hikey_usb {
> +		compatible = "hisilicon,hikey960-usb";
> +		typec-vbus-gpios = <&gpio25 2 0>;
> +		typec-vbus-enable-val = <1>;
> +		otg-switch-gpios = <&gpio25 6 0>;
> +		hub-vdd33-en-gpios = <&gpio5 6 0>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usbhub5734_pmx_func>;
> +
> +		port {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			hikey_usb_ep: endpoint@0 {
> +				reg = <0>;
> +				remote-endpoint = <&dwc3_role_switch_notify>;
> +			};
> +		};
> +
> +	};

MBR, Sergei
Chen Yu Feb. 20, 2019, 2:34 a.m. UTC | #2
Hi,

On 2019/2/19 16:25, Sergei Shtylyov wrote:
> Hello!
> 
> On 18.02.2019 14:23, Yu Chen wrote:
> 
>> This patch adds binding documentation to support usb hub and usb
>> data role switch of Hisilicon HiKey960 Board.
>>
>> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
>> Cc: Rob Herring <robh+dt@kernel.org>
>> Cc: Mark Rutland <mark.rutland@arm.com>
>> Cc: John Stultz <john.stultz@linaro.org>
>> Cc: Binghui Wang <wangbinghui@hisilicon.com>
>> Signed-off-by: Yu Chen <chenyu56@huawei.com>
>> ---
>> v1:
>> * Fix some format errors as suggested by Sergei.
>> * Modify gpio description to use gpiod API.
>> v2:
>> * Remove information about Hikey.
>> * Fix gpio description.
>> * Remove device_type of endpoint.
>> ---
>> ---
>>   .../bindings/misc/hisilicon-hikey-usb.txt          | 35 ++++++++++++++++++++++
>>   1 file changed, 35 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
>>
>> diff --git a/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
>> new file mode 100644
>> index 000000000000..c2b789b515df
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
>> @@ -0,0 +1,35 @@
>> +Support usb hub and usb data role switch of Hisilicon HiKey960 Board.
>> +
>> +-----------------------------
>> +
>> +Required properties:
>> +- compatible: "hisilicon,gpio-hubv1","hisilicon,hikey960-usb"
> 
>    Only one of those, looking at your example?
"hisilicon,gpio-hubv1" is similar as "hisilicon,hikey960-usb".

>    Need a space after comma, BTW.
OK. Thanks!

> 
>> +- typec-vbus-gpios: gpio to control the vbus of typeC port
>> +- typec-vbus-enable-val: gpio value that enable the vbus of typeC port
> 
>    Hm, I thought that can be inferred from the GPIO specifier above...
> 
OK. Thanks!

>> +- otg-switch-gpios: gpio to switch DP & DM between the hub and typeC port
>> +- hub-vdd33-en-gpios: gpio to enable the power of hub
>> +- pinctrl-0: pinctrl config
> 
>    You forgot about "pinctrl-names"...
OK. Thanks!

> 
>> +
>> +Example
>> +-----
>> +
>> +    hisi_hikey_usb: hisi_hikey_usb {
>> +        compatible = "hisilicon,hikey960-usb";
>> +        typec-vbus-gpios = <&gpio25 2 0>;
>> +        typec-vbus-enable-val = <1>;
>> +        otg-switch-gpios = <&gpio25 6 0>;
>> +        hub-vdd33-en-gpios = <&gpio5 6 0>;
>> +        pinctrl-names = "default";
>> +        pinctrl-0 = <&usbhub5734_pmx_func>;
>> +
>> +        port {
>> +            #address-cells = <1>;
>> +            #size-cells = <0>;
>> +
>> +            hikey_usb_ep: endpoint@0 {
>> +                reg = <0>;
>> +                remote-endpoint = <&dwc3_role_switch_notify>;
>> +            };
>> +        };
>> +
>> +    };
> 
> MBR, Sergei
> 
> .
> 

Thanks
Yu Chen
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
new file mode 100644
index 000000000000..c2b789b515df
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
@@ -0,0 +1,35 @@ 
+Support usb hub and usb data role switch of Hisilicon HiKey960 Board.
+
+-----------------------------
+
+Required properties:
+- compatible: "hisilicon,gpio-hubv1","hisilicon,hikey960-usb"
+- typec-vbus-gpios: gpio to control the vbus of typeC port
+- typec-vbus-enable-val: gpio value that enable the vbus of typeC port
+- otg-switch-gpios: gpio to switch DP & DM between the hub and typeC port
+- hub-vdd33-en-gpios: gpio to enable the power of hub
+- pinctrl-0: pinctrl config
+
+Example
+-----
+
+	hisi_hikey_usb: hisi_hikey_usb {
+		compatible = "hisilicon,hikey960-usb";
+		typec-vbus-gpios = <&gpio25 2 0>;
+		typec-vbus-enable-val = <1>;
+		otg-switch-gpios = <&gpio25 6 0>;
+		hub-vdd33-en-gpios = <&gpio5 6 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usbhub5734_pmx_func>;
+
+		port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			hikey_usb_ep: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&dwc3_role_switch_notify>;
+			};
+		};
+
+	};