On Wed, Apr 26, 2023 at 01:21:38PM +0200, Linus Walleij wrote: > This adds a schema for the STMPE GPIO that while it is used a > lot in the kernel tree is anyway missing its bindings. > > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > ChangeLog v1->v2: > - New patch split off from the MFD patch. > --- > .../devicetree/bindings/gpio/st,stmpe-gpio.yaml | 60 ++++++++++++++++++++++ > 1 file changed, 60 insertions(+) > > diff --git a/Documentation/devicetree/bindings/gpio/st,stmpe-gpio.yaml b/Documentation/devicetree/bindings/gpio/st,stmpe-gpio.yaml > new file mode 100644 > index 000000000000..6e991ebbdf77 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/st,stmpe-gpio.yaml > @@ -0,0 +1,60 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/gpio/st,stmpe-gpio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: STMicroelectonics Port Expander (STMPE) GPIO Block > + > +description: STMicroelectronics Port Expander (STMPE) is a series of slow > + bus controllers for various expanded peripherals such as GPIO, keypad, > + touchscreen, ADC, PWM or rotator. It can contain one or several different > + peripherals connected to SPI or I2C. These bindings pertain to the > + GPIO portions of these expanders. > + > +maintainers: > + - Linus Walleij <linus.walleij@xxxxxxxxxx> > + > +properties: > + compatible: > + const: st,stmpe-gpio > + > + "#gpio-cells": > + const: 2 > + > + "#interrupt-cells": > + const: 2 > + > + gpio-controller: true > + > + interrupt-controller: true > + > + st,norequest-mask: > + description: A bitmask of GPIO lines that cannot be requested because for > + for example not being connected to anything on the system > + $ref: /schemas/types.yaml#/definitions/uint32 > + > +patternProperties: > + "^.+-hog(-[0-9]+)?$": > + type: object > + > + properties: > + gpio-hog: true > + gpios: true > + input: true > + output-high: true > + output-low: true > + line-name: true > + > + required: > + - gpio-hog > + - gpios All you need for hog nodes is: "^.+-hog(-[0-9]+)?$": type: object required: - gpio-hog The presence of 'gpio-hog' causes the hog schema to be applied. Rob