linux-kernel - Re: [PATCH 2/6] Documentation: bindings: add dt doc for Rockchip USB Type-C PHY

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Message-ID: <5748094F.6030204@rock-chips.com>
Date:	Fri, 27 May 2016 16:46:07 +0800
From:	Chris Zhong <zyw@...k-chips.com>
To:	Heiko Stuebner <heiko@...ech.de>
Cc:	dianders@...omium.org, tfiga@...omium.org, yzq@...k-chips.com,
	linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
	Kumar Gala <galak@...eaurora.org>,
	linux-kernel@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/6] Documentation: bindings: add dt doc for Rockchip USB
 Type-C PHY

Hi Heiko

On 05/27/2016 04:29 PM, Heiko Stuebner wrote:
> Hi Chris,
>
> Am Freitag, 27. Mai 2016, 14:02:15 schrieb Chris Zhong:
>> This patch adds a binding that describes the Rockchip USB Type-C PHY
>> for rk3399.
>>
>> Signed-off-by: Chris Zhong <zyw@...k-chips.com>
>> ---
>>
>>   .../devicetree/bindings/phy/phy-rockchip-typec.txt | 55
>> ++++++++++++++++++++++ 1 file changed, 55 insertions(+)
>>   create mode 100644
>> Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
>>
>> diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
>> b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt new file
>> mode 100644
>> index 0000000..402f667
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
>> @@ -0,0 +1,55 @@
>> +ROCKCHIP type-c PHY
>> +
>> +Required properties:
>> + - compatible: should be "rockchip,rk3399-typec-phy"
>> + - reg : Address and length of the usb phy control register set
>> + - rockchip,grf : phandle to the syscon managing the "general
>> +   register files"
>> + - clocks : phandle + clock specifier for the phy clocks
>> + - clock-names: string, clock name, must be "tcpdcore", "tcpdphy_ref";
>> + - resets : a list of phandle + reset specifier pairs
>> + - reset-names : string reset name, must be:
>> +		 "tcphy_rst", "tcphy_pipe_rst", "uphy_tcphy_rst"
>> + - #phy-cells: Must be 0.  See ./phy-bindings.txt for details.
>> + - rockchip,usb3phy*: phy registers embed in grf
>> +
>> +Example:
>> +	tcphy0: phy@...c0000 {
>> +		compatible = "rockchip,rk3399-typec-phy";
>> +		reg = <0x0 0xff7c0000 0x0 0x40000>;
>> +		#phy-cells = <0>;
>> +		rockchip,grf = <&grf>;
>> +		clocks = <&cru SCLK_UPHY0_TCPDCORE>,
>> +			 <&cru SCLK_UPHY0_TCPDPHY_REF>;
>> +		clock-names = "tcpdcore", "tcpdphy_ref";
>> +		resets = <&cru SRST_UPHY0>,
>> +			 <&cru SRST_UPHY0_PIPE_L00>,
>> +			 <&cru SRST_P_UPHY0_TCPHY>;
>> +		reset-names = "tcphy_rst", "tcphy_pipe_rst", "uphy_tcphy_rst";
>> +		rockchip,usb3phy_con0 = <0x0e580 0 16>;
>> +		rockchip,usb3phy_con1 = <0x0e584 0 16>;
>> +		rockchip,usb3phy_con2 = <0x0e588 0 16>;
>> +		rockchip,usb3phy_status0 = <0x0e5c0 0 13>;
>> +		rockchip,usb3phy_status1 = <0x0e5c4 0 12>;
> please embedded this register data in the driver instead (not in the
> devicetree), matched against the compatible value.
> See Frank's usb2phy driver for reference if needed.
Okay, I will move them to driver file next version, Thanks.
>
> Thanks
> Heiko
>
>
>
>