Re: [PATCH 02/13] platform/x86: dmi_device_properties: Add setup info for boards with a CHT Whiskey Cove PMIC

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On Sat, Oct 30, 2021 at 9:28 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> Add a new "intel,cht-wc-setup" string property to the "INT34D3:00"
> i2c_client for the Whiskey Cove PMIC found on several Cherry Trail
> based devices. At least 3 setups are known:
>
> 1. The WC PMIC is connected to a TI BQ24292i charger, paired with
>    a Maxim MAX17047 fuelgauge + a FUSB302 USB Type-C Controller +
>    a PI3USB30532 USB switch, for a fully functional Type-C port
>
> 2. The WC PMIC is connected to a TI BQ25890 charger, paired with
>    a TI BQ27520 fuelgauge, for a USB-2 only Type-C port without PD
>
> 3. The WC PMIC is connected to a TI BQ25890 charger, paired with
>    a TI BQ27542 fuelgauge, for a micro-USB port
>
> Which setup is in use cannot be determined reliably from the ACPI tables
> and various drivers (extcon-intel-cht-wc.c, i2c-cht-wc.c, ...) need
> to know which setup they are dealing with.

If it's internal property only, I would rather expect it to start with
'linux,' as DWC3 does. And it's also USB related.

...

> +       PROPERTY_ENTRY_STRING("intel,cht-wc-setup", "bq24292i,max17047,fusb302,pi3usb30532"),

> +       PROPERTY_ENTRY_STRING("intel,cht-wc-setup", "bq25890,bq27520"),

 Besides that I'm not sure about the name of the property, maybe
'linux,cht-wc-usb-chips' or alike? And since it's a list, can we make
it a string array?

-- 
With Best Regards,
Andy Shevchenko



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