From: sebastien.szymanski@armadeus.com (Sébastien Szymanski)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: dts: imx6ull: add operating points
Date: Thu, 19 Apr 2018 09:27:03 +0200 [thread overview]
Message-ID: <265f4635-bf67-48a9-4ad5-caaba752be8d@armadeus.com> (raw)
In-Reply-To: <c5d92c4e36973e3e18980d410e11ec4f@agner.ch>
Hi Stefan,
On 04/18/2018 05:35 PM, Stefan Agner wrote:
> On 18.04.2018 16:52, S?bastien Szymanski wrote:
>> i.MX6ULL has different operating ranges than i.MX6UL so add the
>> operating points for the i.MX6ULL. A 25mV offset is added to the minimum
>> allowed values like for the i.MX6UL.
>
> Hi S?bastien,
>
> Last time I checked there was a DC controller missing for the EVK, so I
> think it was not possible to go to the highest operating points yet.
> Have you tested this on the EVK?
No, I have tested on an OPOS6ULDev board.
I've just noticed that the soc-operating-points values are wrong in this
patch, I've sent a v2.
Regards,
>
> --
> Stefan
>
>>
>> Signed-off-by: S?bastien Szymanski <sebastien.szymanski@armadeus.com>
>> ---
>> arch/arm/boot/dts/imx6ull.dtsi | 19 +++++++++++++++++++
>> 1 file changed, 19 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi
>> index 571ddd71cdba..7e6273be0291 100644
>> --- a/arch/arm/boot/dts/imx6ull.dtsi
>> +++ b/arch/arm/boot/dts/imx6ull.dtsi
>> @@ -46,6 +46,25 @@
>> /* Delete UART8 in AIPS-1 (i.MX6UL specific) */
>> /delete-node/ &uart8;
>>
>> +&cpu0 {
>> + operating-points = <
>> + /* kHz uV */
>> + 900000 1275000
>> + 792000 1225000
>> + 528000 1175000
>> + 396000 1025000
>> + 198000 950000
>> + >;
>> + fsl,soc-operating-points = <
>> + /* KHz uV */
>> + 900000 1400000
>> + 792000 1350000
>> + 528000 1175000
>> + 396000 1175000
>> + 198000 1175000
>> + >;
>> +};
>> +
>> / {
>> soc {
>> aips3: aips-bus at 2200000 {
--
S?bastien Szymanski
Software engineer, Armadeus Systems
Tel: +33 (0)9 72 29 41 44
Fax: +33 (0)9 72 28 79 26
next prev parent reply other threads:[~2018-04-19 7:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-18 14:52 [PATCH 1/2] cpufreq: imx6q: check speed grades for i.MX6ULL Sébastien Szymanski
2018-04-18 14:52 ` [PATCH 2/2] ARM: dts: imx6ull: add operating points Sébastien Szymanski
2018-04-18 15:35 ` Stefan Agner
2018-04-19 7:27 ` Sébastien Szymanski [this message]
2018-04-18 15:43 ` [PATCH 1/2] cpufreq: imx6q: check speed grades for i.MX6ULL Stefan Agner
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