linux-kernel - Re: [PATCH v3 1/2] dt-bindings: Add Broadcom Cygnus PCIe PHY binding

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Date:	Fri, 18 Sep 2015 16:51:41 -0700
From:	Ray Jui <rjui@...adcom.com>
To:	Kishon Vijay Abraham I <kishon@...com>
CC:	Arnd Bergmann <arnd@...db.de>, <linux-kernel@...r.kernel.org>,
	"JD (Jiandong) Zheng" <jdzheng@...adcom.com>,
	Arun Parameswaran <arunp@...adcom.com>,
	<bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH v3 1/2] dt-bindings: Add Broadcom Cygnus PCIe PHY binding



On 9/17/2015 11:17 PM, Kishon Vijay Abraham I wrote:
> Hi,
> 
> On Tuesday 15 September 2015 11:26 PM, Ray Jui wrote:
>> Add DT binding for Broadcom Cygnus PCIe PHYs
> 
> DT binding documentation.
> 
> -Kishon
> 

Yes will fix the commit message.

>>
>> Signed-off-by: Ray Jui <rjui@...adcom.com>
>> Reviewed-by: Arun Parameswaran <aparames@...adcom.com>
>> Reviewed-by: JD (Jiandong) Zheng <jdzheng@...adcom.com>
>> Reviewed-by: Scott Branden <sbranden@...adcom.com>
> 
> 
>> ---
>>  .../bindings/phy/brcm,cygnus-pcie-phy.txt          | 30 ++++++++++++++++++++++
>>  1 file changed, 30 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt
>>
>> diff --git a/Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt b/Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt
>> new file mode 100644
>> index 0000000..ba41143
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/brcm,cygnus-pcie-phy.txt
>> @@ -0,0 +1,30 @@
>> +Broadcom Cygnus PCIe PHY
>> +
>> +Required properties:
>> +- compatible: Must be "brcm,cygnus-pcie-phy"
>> +- reg: base address and length of the PCIe PHY block
>> +- #phy-cells: must be <1>
>> +The first cell is the PHY ID:
>> +0 - PCIe RC 0
>> +1 - PCIe RC 1
>> +
>> +Example:
>> +	pcie_phy: phy@...1d0a0 {
>> +		compatible = "brcm,cygnus-pcie-phy";
>> +		reg = <0x0301d0a0 0x14>;
>> +		#phy-cells = <1>;
>> +	};
>> +
>> +	pcie0: pcie@...12000 {
>> +		...
>> +		...
>> +		phys = <&pcie_phy 0>;
>> +		phy-names = "pcie-phy";
>> +	};
>> +
>> +	pcie1: pcie@...13000 {
>> +		...
>> +		...
>> +		phys = <&pcie_phy 1>;
>> +		phy-names = "pcie-phy";
>> +	};
>>

Note this binding document will now change due to required changes in
the phy driver following code review comments. Each phy will now be
represented by a child node and #phy-cells will become 0 for each of the
child.

Thanks,

Ray
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