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SubjectRe: [PATCH] [RESEND] arm64: dts: mt8173: Add dynamic power node.
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On 11/12/2019 09:13, Michael Kao wrote:
> On Thu, 2019-12-05 at 17:00 +0100, Daniel Lezcano wrote:
>> Hi Michael,
>>
>>
>> On 22/11/2019 10:06, michael.kao@mediatek.com wrote:
>>> From: "michael.kao" <michael.kao@mediatek.com>
>>>
>>> This device node is for calculating dynamic power in mW.
>>> Since mt8173 has two clusters, there are two dynamic power
>>> coefficient as well.
>>
>> Are you sure about the values? Usually, Big is ~x4 little, here it is ~x2.
>
> Hi Daniel,
>
> I have confirmed again with our IC designer.
> The dynamic power coefficients are these value is right.
> Designer comment that it is result from different IC implement.

Applied to v5.5-next/dts64

Thanks!
Matthias

>>
>>> Signed-off-by: Dawei Chien <dawei.chien@mediatek.com>
>>> Signed-off-by: Michael.Kao <michael.kao@mediatek.com>
>>>
>>> ---
>>> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 4 ++++
>>> 1 file changed, 4 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>>> index 15f1842f6df3..b03ca5a71338 100644
>>> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>>> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>>> @@ -157,6 +157,7 @@
>>> enable-method = "psci";
>>> cpu-idle-states = <&CPU_SLEEP_0>;
>>> #cooling-cells = <2>;
>>> + dynamic-power-coefficient = <263>;
>>> clocks = <&infracfg CLK_INFRA_CA53SEL>,
>>> <&apmixedsys CLK_APMIXED_MAINPLL>;
>>> clock-names = "cpu", "intermediate";
>>> @@ -170,6 +171,7 @@
>>> enable-method = "psci";
>>> cpu-idle-states = <&CPU_SLEEP_0>;
>>> #cooling-cells = <2>;
>>> + dynamic-power-coefficient = <263>;
>>> clocks = <&infracfg CLK_INFRA_CA53SEL>,
>>> <&apmixedsys CLK_APMIXED_MAINPLL>;
>>> clock-names = "cpu", "intermediate";
>>> @@ -183,6 +185,7 @@
>>> enable-method = "psci";
>>> cpu-idle-states = <&CPU_SLEEP_0>;
>>> #cooling-cells = <2>;
>>> + dynamic-power-coefficient = <530>;
>>> clocks = <&infracfg CLK_INFRA_CA72SEL>,
>>> <&apmixedsys CLK_APMIXED_MAINPLL>;
>>> clock-names = "cpu", "intermediate";
>>> @@ -196,6 +199,7 @@
>>> enable-method = "psci";
>>> cpu-idle-states = <&CPU_SLEEP_0>;
>>> #cooling-cells = <2>;
>>> + dynamic-power-coefficient = <530>;
>>> clocks = <&infracfg CLK_INFRA_CA72SEL>,
>>> <&apmixedsys CLK_APMIXED_MAINPLL>;
>>> clock-names = "cpu", "intermediate";
>>>
>>
>>
>

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