linux-kernel - Re: [PATCH 2/5] ARM: BCM5301X: Specify USB controllers in DT

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Date:   Tue, 6 Dec 2016 18:31:52 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     Ray Jui <ray.jui@...adcom.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH 2/5] ARM: BCM5301X: Specify USB controllers in DT

On 6 December 2016 at 18:28, Ray Jui <ray.jui@...adcom.com> wrote:
> On 12/6/2016 9:17 AM, Rafał Miłecki wrote:
>> From: Rafał Miłecki <rafal@...ecki.pl>
>>
>> There are 3 separated controllers, one per USB /standard/. With PHY
>> drivers in place they can be simply supported with generic drivers.
>>
>> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
>> ---
>>  arch/arm/boot/dts/bcm5301x.dtsi | 33 ++++++++++++++++++++++++++++++++-
>>  1 file changed, 32 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
>> index f09a2bb..bfc98d19 100644
>> --- a/arch/arm/boot/dts/bcm5301x.dtsi
>> +++ b/arch/arm/boot/dts/bcm5301x.dtsi
>> @@ -248,8 +248,26 @@
>>
>>                       #address-cells = <1>;
>>                       #size-cells = <1>;
>> +                     ranges;
>>
>> -                     phys = <&usb2_phy>;
>> +                     interrupt-parent = <&gic>;
>> +
>> +                     ohci: ohci@...00 {
>> +                             #usb-cells = <0>;
>> +
>> +                             compatible = "generic-ohci";
>> +                             reg = <0x00022000 0x1000>;
>
> Your label ohci@...00 does not match the 'reg' at 0x22000.
>
>> +                             interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
>> +                     };
>> +
>> +                     ehci: ehci@...00 {
>> +                             #usb-cells = <0>;
>> +
>> +                             compatible = "generic-ehci";
>> +                             reg = <0x00021000 0x1000>;
>
> Looks like you got the label of ohci and ehci reversed?

Nice catch, thanks! I'll fix it in V2 (just let me wait a day to see
if there will be other comments).

-- 
Rafał