Re: [PATCH v2 1/2] dt/bindings/usb: Add bindings for PIC32 MUSB driver.
From: Purna Chandra Mandal
Date: Thu Apr 07 2016 - 09:36:03 EST
On 04/07/2016 07:04 PM, Sergei Shtylyov wrote:
> On 4/7/2016 3:32 PM, Purna Chandra Mandal wrote:
>
>> Document devicetree binding for the USB controller
>> and USB Phy found on Microchip PIC32 class devices.
>>
>> Signed-off-by: Purna Chandra Mandal <purna.mandal@xxxxxxxxxxxxx>
>>
>> ---
>>
>> Changes in v2: None
>>
>> .../bindings/usb/microchip,pic32-musb.txt | 67 ++++++++++++++++++++++
>> 1 file changed, 67 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/usb/microchip,pic32-musb.txt
>>
>> diff --git a/Documentation/devicetree/bindings/usb/microchip,pic32-musb.txt b/Documentation/devicetree/bindings/usb/microchip,pic32-musb.txt
>> new file mode 100644
>> index 0000000..e1cec9d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/usb/microchip,pic32-musb.txt
>> @@ -0,0 +1,67 @@
>> +Microchip PIC32 MUSB DRC/OTG controller
>> +-------------------------------------------
>> +
>> +Required properties:
>> + - compatible : should be "microchip,pic32mzda-usb".
>> + - reg : offset and length of "MUSB Core Registers" and
>> + "USB Clock & Reset Registers".
>> + - reg-names : should be "mc", and "usbcr" in order
>> + - clocks : clock specifier for the musb controller clock
>> + - clock-names : should be "usb_clk"
>> + - interrupts : interrupt number for MUSB Core General interrupt
>> + and DMA interrupt
>> + - interrupt-names : must be "mc" and "dma" in order.
>> + - phys : phy specifier for the otg phy.
>> + - dr_mode : should be one of "host", "peripheral" or "otg".
>> + - mentor,multipoint: Should be "1" indicating the musb controller supports
>> + multipoint. This is MUSB configuration-specific setting.
>> + - mentor,num-eps : Specifies the number of endpoints. This is also a
>> + MUSB configuration-specific setting. Should be set to "8".
>> + - mentor,ram-bits : Specifies the ram address size. Should be set to "11".
>> + - mentor,power : Should be "500". This signifies the controller can supply
>> + up to 500mA when operating in host mode.
>> + - phys : phandle of the USB phy.
>
> Just noticed that "phys" is described twice. :-/
>
Noted. Thanks. :)
> MBR, Sergei
>