[PATCH v2] dt: bindings: add bindings for wcn3990 wifi block

[govinds at codeaurora.org]

Thanks Rob for the review comments. I have addressed the review comments 
in [PATCH v2 13/13] dt: bindings: add bindings for wcn3990 wifi block.


>> diff --git 
>> a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt 
>> b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
>> index 3d2a031..e34d8f8 100644
>> --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
>> +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
>> @@ -4,6 +4,7 @@ Required properties:
>>  - compatible: Should be one of the following:
>>  	* "qcom,ath10k"
>>  	* "qcom,ipq4019-wifi"
>> +	* "qcom,wcn3990-wifi"
>> 
>>  PCI based devices uses compatible string "qcom,ath10k" and takes 
>> calibration
>>  data along with board specific data via 
>> "qcom,ath10k-calibration-data".
>> @@ -18,8 +19,11 @@ In general, entry 
>> "qcom,ath10k-pre-calibration-data" and
>>  "qcom,ath10k-calibration-data" conflict with each other and only one
>>  can be provided per device.
>> 
>> +SNOC based devices (i.e. wcn3990) uses compatible string 
>> "qcom,wcn3990-wifi".
>> +
>>  Optional properties:
>>  - reg: Address and length of the register set for the device.
>> +- reg-names: Names of the memory regions defined in reg entry.
> 
> You must define what the names are and how many (so reg needs updating
> too if there is more than 1).
> 
> Though with only 1 -names, it is kind of pointless.

Updated the names.

> 
>>  - resets: Must contain an entry for each entry in reset-names.
>>            See ../reset/reseti.txt for details.
>>  - reset-names: Must include the list of following reset names,
>> @@ -49,6 +53,12 @@ Optional properties:
>>  				 hw versions.
>>  - qcom,ath10k-pre-calibration-data : pre calibration data as an 
>> array,
>>  				     the length can vary between hw versions.
>> +- qcom,<supply-name>-supply: handle to the regulator device tree node
>> +			   optional "supply-name" is "vdd-0.8-cx-mx".
> 
> You can drop the qcom prefix. Just name this "vdd-0.8-cx-mx-supply".

Updated the same.

>> +- qcom,<supply>-config: Specifies voltage levels for supply. Should 
>> be
>> +			  specified in pairs (min, max), units uV.  There can
>> +			   be optional load in uA and Regulator settle delay in
>> +			   uS.
> 
> We have standard regulator properties for this I think.

Removed the supply config.

>> 
>>  Example (to supply the calibration data alone):
>> 
>> @@ -119,3 +129,28 @@ wifi0: wifi at a000000 {
>>  	qcom,msi_base = <0x40>;
>>  	qcom,ath10k-pre-calibration-data = [ 01 02 03 ... ];
>>  };
>> +
>> +Example (to supply wcn3990 SoC wifi block details):
>> +
>> +qcom,msm_ath10k at 18000000 {
> 
> wifi at ...

Updated the same.

> 
>> +		compatible = "qcom,wcn3990-wifi";
>> +		reg = <0x18800000 0x800000>;
>> +		reg-names = "membase";
>> +		clocks = <&clock_gcc clk_aggre2_noc_clk>;
>> +		clock-names = "smmu_aggre2_noc_clk"
>> +		interrupts =
>> +			   <0 130 0 /* CE0 */ >,
>> +			   <0 131 0 /* CE1 */ >,
>> +			   <0 132 0 /* CE2 */ >,
>> +			   <0 133 0 /* CE3 */ >,
>> +			   <0 134 0 /* CE4 */ >,
>> +			   <0 135 0 /* CE5 */ >,
>> +			   <0 136 0 /* CE6 */ >,
>> +			   <0 137 0 /* CE7 */ >,
>> +			   <0 138 0 /* CE8 */ >,
>> +			   <0 139 0 /* CE9 */ >,
>> +			   <0 140 0 /* CE10 */ >,
>> +			   <0 141 0 /* CE11 */ >;
>> +		qcom,vdd-0.8-cx-mx-supply = <&pm8998_l5>;
>> +		qcom,vdd-0.8-cx-mx-config = <800000 800000 2400 1000>;
>> +};
>> --
>> 1.9.1
>> 
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