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SubjectRe: [PATCH v2 2/3] arm/dts: Add twl4030-usb data
From
Hi,

On Tue, Sep 11, 2012 at 3:39 PM, Benoit Cousson <b-cousson@ti.com> wrote:
> On 09/11/2012 08:36 AM, Kishon Vijay Abraham I wrote:
>> Add twl4030-usb data node in twl4030 device tree file.
>
> IIRC, the usb part on twl4030 was doing more than it does on twl6030.

Indeed. twl4030 is the usb phy as well (unlike twl6030 which is only a
comparator). But there is not much difference in dt data.
>
> Could you describe what part of the USB is really done by the TWL in
> that case?
>
>> Acked-by: Felipe Balbi <balbi@ti.com>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
>> ---
>> arch/arm/boot/dts/twl4030.dtsi | 21 +++++++++++++++++++++
>> 1 file changed, 21 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/twl4030.dtsi b/arch/arm/boot/dts/twl4030.dtsi
>> index 22f4d13..761a5a5 100644
>> --- a/arch/arm/boot/dts/twl4030.dtsi
>> +++ b/arch/arm/boot/dts/twl4030.dtsi
>> @@ -37,6 +37,18 @@
>> regulator-max-microvolt = <3150000>;
>> };
>>
>> + vusb1v5: regulator-vusb1v5 {
>> + compatible = "ti,twl4030-vusb1v5";
>> + };
>> +
>> + vusb1v8: regulator-vusb1v8 {
>> + compatible = "ti,twl4030-vusb1v8";
>> + };
>> +
>> + vusb3v1: regulator-vusb3v1 {
>> + compatible = "ti,twl4030-vusb3v1";
>> + };
>> +
>> twl_gpio: gpio {
>> compatible = "ti,twl4030-gpio";
>> gpio-controller;
>> @@ -44,4 +56,13 @@
>> interrupt-controller;
>> #interrupt-cells = <1>;
>> };
>> +
>> + twl4030-usb {
>
> Same comment than before about the name. Is it the usb-comparator as well?
No. Here it's the phy as well.
>
>> + compatible = "ti,twl4030-usb";
>> + interrupts = < 10 4 >;
>> + usb1v5-supply = <&vusb1v5>;
>> + usb1v8-supply = <&vusb1v8>;
>> + usb3v1-supply = <&vusb3v1>;
>> + usb_mode = <1>;
>
> Is this a TI only attribute or something generic?

It's describes the way twl4030 is connected is connected to omap. So I
think it should be prefixed with "ti".

Thanks
Kishon


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