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. Regards, Andreas