Re: [PATCH 5/8] ARM: mvebu: Add Device Tree description of xHCI hosts on Armada 38x
From: Gregory CLEMENT
Date: Fri Apr 18 2014 - 07:45:28 EST
Hi Sebastian,
On 18/04/2014 13:23, Sebastian Hesselbarth wrote:
> On 04/18/2014 12:22 PM, Gregory CLEMENT wrote:
>> The Marvell Armada 38x SoCs contain two xHCI host. This commit adds
>> the Device Tree description of those interfaces at the SoC level, and
>> also enables the two USB3 ports on the Armada 385 DB platform and one
>> USB3 port on the Armada 385 RD platforms.
>>
>> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
>> ---
>> arch/arm/boot/dts/armada-385-db.dts | 8 ++++++++
>> arch/arm/boot/dts/armada-385-rd.dts | 4 ++++
>> arch/arm/boot/dts/armada-38x.dtsi | 17 +++++++++++++++++
>> 3 files changed, 29 insertions(+)
> [...]
>> diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
>> index a064f59da02d..4f117e66aa1a 100644
>> --- a/arch/arm/boot/dts/armada-38x.dtsi
>> +++ b/arch/arm/boot/dts/armada-38x.dtsi
>> @@ -355,6 +355,23 @@
>> clocks = <&coredivclk 0>;
>> status = "disabled";
>> };
>> +
>> + usb3@f0000 {
>> + compatible = "marvell,xhci-armada-380";
>> + reg = <0xf0000 0x3fff>,<0xf4000 0x3fff>;
>> + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
>> + clocks = <&gateclk 9>;
>
> Using generic PHY framework will allow you to reference the PHY nodes
> with "usb-phy" here.
>
> BTW, you added a "marvell,armada-380-usb-utmi" in the patch for PHY init
> but I can see no corresponding node added.
Yes a commit was lost during one of my rebase!
Thanks to git reflog, I found it.
Thanks,
Gregory
>
> Sebastian
>
>> + status = "disabled";
>> + };
>> +
>> + usb3@f8000 {
>> + compatible = "marvell,xhci-armada-380";
>> + reg = <0xf8000 0x3fff>,<0xfc000 0x3fff>;
>> + interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
>> + clocks = <&gateclk 10>;
>> + status = "disabled";
>> + };
>> +
>> };
>> };
>>
>>
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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