On Sat, Dec 16, 2023 at 2:57 PM Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx> wrote: > > > + thead,strong-pull-up: > > > + oneOf: > > > + - type: boolean > > > + - $ref: /schemas/types.yaml#/definitions/uint32 > > > + enum: [ 0, 2100 ] > > > + description: Enable or disable strong 2.1kOhm pull-up. > > > > bias-pull-up can already specify the strength in Ohms. > > The strong pull up is a separate bit that can be enabled independently from the > regular pull-up/down, so in theory you could enable both the regular pull-up > and the strong pull-up at the same time, or even the regular poll-down and the > strong pull-up which is probably not advised. bias-pull-up; <- Just regular pulling up the ordinary bias-pull-up = <100>; <- Same thing if the ordinary is 100 Ohm (figure out what resistance it actually is....) bias-pull-up = <21000000>; <- strong pull up bias-pull-up = <21000100>; <- both at the same time > So the idea here was just to make sure that you can do eg. > > thead,strong-pull-up = <0>; > > to make sure the bit is cleared. No use bias-disable; for this. Yours, Linus Walleij
