lkml.org 
[lkml]   [2023]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH V2 5/6] arm64: dts: qcom: ipq9574: Add RPM related nodes
From


On 2/20/2023 8:06 PM, Konrad Dybcio wrote:
>
>
> On 20.02.2023 14:53, Devi Priya wrote:
>> Hi Konrad,
>>
>> Thanks for taking time to review the patch!
> I appreciate your gratitude, but please don't toppost (a.k.a
> don't reply in the first lines of the email), that's rather
> frowned upon on LKML.
>
Sure, understood!
>>
>> On 2/17/2023 8:20 PM, Konrad Dybcio wrote:
>>>
>>>
>>> On 17.02.2023 15:20, Devi Priya wrote:
>>>> Add RPM Glink, RPM message RAM and SMPA1 regulator
>>>> nodes to support frequency scaling on IPQ9574
>>>>
>>>> Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
>>>> ---
>>>>   Changes in V2:
>>>>     - Splitted the RPM and CPU Freq changes to individual patches
>>>>     - Moved the regulators node to Board DT
>>>>     - Dropped the regulator-always-on property
>>>>     - Updated the compatible in regulators node with the existing
>>>>       mp5496 compatible
>>>>
>>>>   arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts | 11 +++++++++++
>>>>   arch/arm64/boot/dts/qcom/ipq9574.dtsi        | 17 +++++++++++++++++
>>>>   2 files changed, 28 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts b/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts
>>>> index 21b53f34ce84..8a6caaeb0c4b 100644
>>>> --- a/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts
>>>> +++ b/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts
>>>> @@ -57,6 +57,17 @@
>>>>       status = "okay";
>>>>   };
>>>>   +&rpm_requests {
>>>> +    regulators {
>>>> +        compatible = "qcom,rpm-mp5496-regulators";
>>>> +
>>>> +        ipq9574_s1: s1 {
>>>> +            regulator-min-microvolt = <587500>;
>>>> +            regulator-max-microvolt = <1075000>;
>>>> +        };
>>>> +    };
>>>> +};
>>> This belongs in a separate patch.
>>>
>> Do you recommend to move this change to the below patch in the next spin?
>> [PATCH V2 6/6]arm64: dts: qcom: ipq9574: Add cpufreq support
> Sounds good
>
> Also, I think you missed a newline before &rpm_requests now that
> I look at it.
Sure, will take care of that in V3
>
> Konrad
>>>> +
>>>>   &sdhc_1 {
>>>>       pinctrl-0 = <&sdc_default_state>;
>>>>       pinctrl-names = "default";
>>>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>>> index d20f3c7383f5..2f300cbab93e 100644
>>>> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>>> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>>> @@ -133,6 +133,11 @@
>>>>           #size-cells = <2>;
>>>>           ranges;
>>>>   +        rpm_msg_ram: rpm@60000 {
>>> Since this is a part of the MMIO region and not a part of DRAM,
>>> we generally put this node under /soc with the compatible of
>>> qcom,rpm-msg-ram and without no-map.
>>>
>>> And the node name then should be sram@.
>> Sure, okay. Will update this in V3
>>>
>>>> +            reg = <0x0 0x00060000 0x0 0x6000>;
>>>> +            no-map;
>>>> +        };
>>>> +
>>>>           tz_region: tz@4a600000 {
>>>>               reg = <0x0 0x4a600000 0x0 0x400000>;
>>>>               no-map;
>>>> @@ -768,6 +773,18 @@
>>>>           };
>>>>       };
>>>>   +    rpm-glink {
>>> Alphabetically this should come before /soc.
>> Okay
>>>
>>> Konrad
>>>> +        compatible = "qcom,glink-rpm";
>>>> +        interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
>>>> +        qcom,rpm-msg-ram = <&rpm_msg_ram>;
>>>> +        mboxes = <&apcs_glb 0>;
>>>> +
>>>> +        rpm_requests: glink-channel {
>>>> +            compatible = "qcom,rpm-ipq9574";
>>>> +            qcom,glink-channels = "rpm_requests";
>>>> +        };
>>>> +    };
>>>> +
>>>>       timer {
>>>>           compatible = "arm,armv8-timer";
>>>>           interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
>> Best Regards,
>> Devi Priya

\
 
 \ /
  Last update: 2023-03-27 00:29    [W:1.510 / U:3.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site