Subject: Re: [PATCH 2/5] ARM: BCM5301X: Specify USB controllers in DT
To: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>
References: <20161206171714.22738-1-zajec5@gmail.com>
 <20161206171714.22738-2-zajec5@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Russell King <linux@armlinux.org.uk>,
        Hauke Mehrtens <hauke@hauke-m.de>,
        bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>
From: Ray Jui <ray.jui@broadcom.com>
Message-ID: <c721c71c-117f-185d-0544-954981dbcf04@broadcom.com>
Date: Tue, 6 Dec 2016 09:28:33 -0800
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101
 Thunderbird/50.0
MIME-Version: 1.0
In-Reply-To: <20161206171714.22738-2-zajec5@gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1744
Lines: 72


On 12/6/2016 9:17 AM, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.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@milecki.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@21000 {
> +				#usb-cells = <0>;
> +
> +				compatible = "generic-ohci";
> +				reg = <0x00022000 0x1000>;

Your label ohci@21000 does not match the 'reg' at 0x22000.

> +				interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
> +			};
> +
> +			ehci: ehci@22000 {
> +				#usb-cells = <0>;
> +
> +				compatible = "generic-ehci";
> +				reg = <0x00021000 0x1000>;

Looks like you got the label of ohci and ehci reversed?

> +				interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
> +				phys = <&usb2_phy>;
> +			};
>  		};
>  
>  		usb3: usb3@23000 {
> @@ -257,6 +275,19 @@
>  
>  			#address-cells = <1>;
>  			#size-cells = <1>;
> +			ranges;
> +
> +			interrupt-parent = <&gic>;
> +
> +			xhci: xhci@23000 {
> +				#usb-cells = <0>;
> +
> +				compatible = "generic-xhci";
> +				reg = <0x00023000 0x1000>;
> +				interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
> +				phys = <&usb3_phy>;
> +				phy-names = "usb";
> +			};
>  		};
>  
>  		spi@29000 {
>