On 6/29/22 9:30 AM, Aidan MacDonald wrote: > The AXP192 PMIC is different enough from the PMICs supported by > the AXP20x GPIO driver to warrant a separate driver. The AXP192 > driver also supports interrupts and pinconf settings. > > Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@xxxxxxxxx> > --- > .../bindings/gpio/x-powers,axp192-gpio.yaml | 68 +++++++++++++++++++ > 1 file changed, 68 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml > > diff --git a/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml > new file mode 100644 > index 000000000000..ceb94aa2bc97 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml > [...] > + > +required: > + - compatible > + - "#gpio-cells" > + - gpio-controller > + - gpio-ranges By requiring the gpio-ranges property, you will not be able to convert the existing driver, as existing devicetrees do not have it. If you instead call pinctrl_add_gpio_range() from the driver, you can maintain compatibility with the existing binding. Regards, Samuel