[v1] Add QFPROM support for few IPQ SoCs

[PATCH 4/4] arm64: dts: qcom: ipq9574: add QFPROM node

Posted by Kathiravan T 4 months, 1 week ago

IPQ9574 has efuse region to determine the various HW quirks. Lets
add the initial support and the individual fuses will be added as they
are required.

Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
---
 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 1a2c813ffd43..715fe51ff567 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -117,6 +117,13 @@
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
 
+		qfprom: efuse@a4000 {
+			compatible = "qcom,ipq9574-qfprom", "qcom,qfprom";
+			reg = <0x000a4000 0x5a1>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+
 		tlmm: pinctrl@1000000 {
 			compatible = "qcom,ipq9574-tlmm";
 			reg = <0x01000000 0x300000>;
-- 
2.17.1

Re: [PATCH 4/4] arm64: dts: qcom: ipq9574: add QFPROM node

Posted by Konrad Dybcio 4 months, 1 week ago


On 26.05.2023 09:04, Kathiravan T wrote:
> IPQ9574 has efuse region to determine the various HW quirks. Lets
> add the initial support and the individual fuses will be added as they
> are required.
> 
> Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 1a2c813ffd43..715fe51ff567 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -117,6 +117,13 @@
>  		#size-cells = <1>;
>  		ranges = <0 0 0 0xffffffff>;
>  
> +		qfprom: efuse@a4000 {
> +			compatible = "qcom,ipq9574-qfprom", "qcom,qfprom";
> +			reg = <0x000a4000 0x5a1>;
That's an odd size. Are you sure this is how long the corrected region is?

Konrad
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +		};
> +
>  		tlmm: pinctrl@1000000 {
>  			compatible = "qcom,ipq9574-tlmm";
>  			reg = <0x01000000 0x300000>;

Re: [PATCH 4/4] arm64: dts: qcom: ipq9574: add QFPROM node

Posted by Kathiravan T 4 months, 1 week ago

On 5/26/2023 2:49 PM, Konrad Dybcio wrote:
>
> On 26.05.2023 09:04, Kathiravan T wrote:
>> IPQ9574 has efuse region to determine the various HW quirks. Lets
>> add the initial support and the individual fuses will be added as they
>> are required.
>>
>> Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/ipq9574.dtsi | 7 +++++++
>>   1 file changed, 7 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> index 1a2c813ffd43..715fe51ff567 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> @@ -117,6 +117,13 @@
>>   		#size-cells = <1>;
>>   		ranges = <0 0 0 0xffffffff>;
>>   
>> +		qfprom: efuse@a4000 {
>> +			compatible = "qcom,ipq9574-qfprom", "qcom,qfprom";
>> +			reg = <0x000a4000 0x5a1>;
> That's an odd size. Are you sure this is how long the corrected region is?


Yes, As per the HW document, this is the size.


>
> Konrad
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +		};
>> +
>>   		tlmm: pinctrl@1000000 {
>>   			compatible = "qcom,ipq9574-tlmm";
>>   			reg = <0x01000000 0x300000>;

Re: [PATCH 4/4] arm64: dts: qcom: ipq9574: add QFPROM node

Posted by Konrad Dybcio 4 months, 1 week ago


On 26.05.2023 12:24, Kathiravan T wrote:
> 
> On 5/26/2023 2:49 PM, Konrad Dybcio wrote:
>>
>> On 26.05.2023 09:04, Kathiravan T wrote:
>>> IPQ9574 has efuse region to determine the various HW quirks. Lets
>>> add the initial support and the individual fuses will be added as they
>>> are required.
>>>
>>> Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
>>> ---
>>>   arch/arm64/boot/dts/qcom/ipq9574.dtsi | 7 +++++++
>>>   1 file changed, 7 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>> index 1a2c813ffd43..715fe51ff567 100644
>>> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>> @@ -117,6 +117,13 @@
>>>           #size-cells = <1>;
>>>           ranges = <0 0 0 0xffffffff>;
>>>   +        qfprom: efuse@a4000 {
>>> +            compatible = "qcom,ipq9574-qfprom", "qcom,qfprom";
>>> +            reg = <0x000a4000 0x5a1>;
>> That's an odd size. Are you sure this is how long the corrected region is?
> 
> 
> Yes, As per the HW document, this is the size.
Thanks for confirming

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
> 
> 
>>
>> Konrad
>>> +            #address-cells = <1>;
>>> +            #size-cells = <1>;
>>> +        };
>>> +
>>>           tlmm: pinctrl@1000000 {
>>>               compatible = "qcom,ipq9574-tlmm";
>>>               reg = <0x01000000 0x300000>;