On 04/10/2024 10:41, Andreas Kemnade wrote:
> Am Fri, 4 Oct 2024 10:24:32 +0300
> schrieb Roger Quadros <rogerq@xxxxxxxxxx>:
>
>> On 01/10/2024 00:30, Andreas Kemnade wrote:
>>> To properly have things running after cold boot, define
>>> GPIO regulators. Naming is based on board file.
>>>
>>> In the vendor kernel they are enabled in a function
>>> called bt2ws_dcdc_init() if the system is not booted just
>>> to charge the battery.
>>>
>>> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
>>> ---
>>> .../boot/dts/ti/omap/omap4-epson-embt2ws.dts | 73
>>> +++++++++++++++++++ 1 file changed, 73 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
>>> b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts index
>>> 339e52ba3614..d6b0abba19f6 100644 ---
>>> a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts +++
>>> b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts @@ -29,6 +29,42
>>> @@ backlight-right { power-supply = <&unknown_supply>;
>>> };
>>>
>>> + cb_v18: cb-v18 {
>>
>> https://devicetree-specification.readthedocs.io/en/v0.3/devicetree-basics.html#generic-names-recommendation
>>
>>
>> So regulator@n
>> where n is some index if it can't be address.
>>
> No, no @n. The above link says: "If the node has no reg property, the
> @unit-address must be omitted and the node-name alone differentiates
> the node from other nodes at the same level in the tree." So
> probably regulator-cb-v18.
Yes, I agree.
--
cheers,
-roger
