On Wed, Mar 29, 2017 at 1:20 PM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: >> I do not understand the notion of "flags" here. I hope that is not referring > > Flags refers to BI_DIR, SWIO_IN, and SWIO_OUT, from > https://patchwork.kernel.org/patch/9643047/ Aha I will go in and review that closer because it doesn't seem right. Sorry for missing it. >> i2c1_pins_a: i2c1@0 { >> pins { >> pinmux = <MT8135_PIN_195_SDA1__FUNC_SDA1>, >> <MT8135_PIN_196_SCL1__FUNC_SCL1>; > > If we follow this example, then we can list all combinations in > include/dt-bindings/pinctrl/r7s72100-pinctrl.h, instead of creating the value > by combining the bits using a macro where we need it in the DTS. > > It's gonna be a long list, though... Size is not the issue, readability is the issue. I don't see why you would need to list "all combinations" since the trees go through the C preprocessor so you can use macros and bit | OR to build them? Yours, Linus Walleij