RE: [PATCH v1 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver bindings

Delphine_CC_Chiu/WYHQ/Wiwynn <Delphine_CC_Chiu@xxxxxxxxxx> · Wed, 2 Aug 2023 05:31:49 +0000

> -----Original Message-----
> From: Guenter Roeck <groeck7@xxxxxxxxx> On Behalf Of Guenter Roeck
> Sent: Monday, July 24, 2023 11:22 AM
> To: Delphine_CC_Chiu/WYHQ/Wiwynn <Delphine_CC_Chiu@xxxxxxxxxx>
> Cc: patrick@xxxxxxxxx; Jean Delvare <jdelvare@xxxxxxxx>; Rob Herring
> <robh+dt@xxxxxxxxxx>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@xxxxxxxxxx>; linux-i2c@xxxxxxxxxxxxxxx;
> linux-hwmon@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v1 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver
> bindings
> 
>   Security Reminder: Please be aware that this email is sent by an external
> sender.
> 
> On 7/23/23 19:12, Delphine_CC_Chiu/WYHQ/Wiwynn wrote:
> 
> >>> +properties:
> >>> +  compatible:
> >>> +    enum:
> >>> +      - lltc,ltc4286
> >>> +      - lltc,ltc4287
> >>
> >> There is no LTC4287, at least according to the Analog website.
> > It has been announced on Analog Devices website.
> > Please refer to this link:
> > https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.
> >
> analog.com%2Fen%2Fproducts%2Fltc2487.html%23product-overview&data=0
> 5%7
> >
> C01%7CWayne_SC_Liu%40wiwynn.com%7Cd97a86a696a54f28a26408db8bf52
> 23d%7Cd
> >
> a6e0628fc834caf9dd273061cbab167%7C0%7C0%7C638257657193005539%7C
> Unknown
> >
> %7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haW
> wiLCJ
> >
> XVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=XrdlzCyq0pcjfv3M6QNX73Ieux0w
> rfNKzNvv
> > HgVSH40%3D&reserved=0
> >
> 
> No, that is wrong. You are pointing to ltc2487, which is something completely
> different.
> 

We have sent e-mail to query about the release date for LTC4287 chip.
Analog Device reply that they will release this chip in last week of Sep, 2023.
Please refer to the attachment to review their reply.

> Guenter

--- Begin Message ---

To: Wayne SC Liu/WYHQ/Wiwynn <Wayne_SC_Liu@xxxxxxxxxx>
Subject: RE: The release date about LTC4287
From: "Tai, Jason" <Jason.Tai@xxxxxxxxxx>
Date: Mon, 31 Jul 2023 02:54:33 +0000
Accept-language: zh-TW, en-US
Cc: "openbmc_compute@xxxxxxxx" <openbmc_compute@xxxxxxxx>,	Delphine_CC_Chiu/WYHQ/Wiwynn <Delphine_CC_Chiu@xxxxxxxxxx>
In-reply-to:  <SG2PR04MB55434174101F42BA0D4B6557A103A@SG2PR04MB5543.apcprd04.prod.outlook.com>
References:  <SG2PR04MB55435EC465FC0179D75C7F34A103A@SG2PR04MB5543.apcprd04.prod.outlook.com> <SG2PR04MB55434174101F42BA0D4B6557A103A@SG2PR04MB5543.apcprd04.prod.outlook.com>

  Security Reminder: Please be aware that this email is sent by an external sender.

Hi Wayne,

To be specific, last week of Sep, 2023. Thanks.

Regards,

Jason Tai
Senior Engineer, Field Applications
Mobile     (+886) (0) 922-226-527

-----Original Message-----
From: Wayne SC Liu/WYHQ/Wiwynn <Wayne_SC_Liu@xxxxxxxxxx>
Sent: Tuesday, July 25, 2023 1:19 PM
To: Tai, Jason <Jason.Tai@xxxxxxxxxx>
Cc: openbmc_compute@xxxxxxxx; Delphine_CC_Chiu/WYHQ/Wiwynn <Delphine_CC_Chiu@xxxxxxxxxx>
Subject: RE: The release date about LTC4287

[External]

Loop more Wiwynn BMC member

> -----Original Message-----
> From: Wayne SC Liu/WYHQ/Wiwynn
> Sent: Tuesday, July 25, 2023 10:40 AM
> To: 'Jason.Tai@xxxxxxxxxx' <Jason.Tai@xxxxxxxxxx>
> Cc: 'openbmc_compute@xxxxxxxx' <openbmc_compute@xxxxxxxx>; Delphine
> Chiu/WYHQ/Wiwynn <DELPHINE_CHIU@xxxxxxxxxx>; Bonnie Lo/WYHQ/Wiwynn
> <Bonnie_Lo@xxxxxxxxxx>; Sara SY Lin/WYHQ/Wiwynn
> <Sara_SY_Lin@xxxxxxxxxx>; Ricky CX Wu/WYHQ/Wiwynn
> <Ricky_CX_Wu@xxxxxxxxxx>; Jeff Shih/WYHQ/Wiwynn <Jeff_Shih@xxxxxxxxxx>
> Subject: The release date about LTC4287
>
> Hi Jason,
>
> I am Wiwynn BMC Wayne.
>
> We have contributed the Linux driver for LTC4286 and LTC4287 chips.
>
> However, Linux reviewer doesn't agree with our contribution because
> LTC4287 chip still not release on Aanlog Device website.
> (Please refer to the attachment)
>
> Moreover, our customer Meta plans to use LTC4287 in next generation
> product so we need driver to access this device.
>
> Do you have the exact release date about this chip?
>
> Thanks.
> Wayne
>

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