On Sat, Mar 16, 2024 at 12:18:59AM +0530, Ayush Singh wrote: > Add DT bindings for mikroBUS interface. MikroBUS is an open standard > developed by MikroElektronika for connecting add-on boards to > microcontrollers or microprocessors. > > Signed-off-by: Ayush Singh <ayushdevel1325@xxxxxxxxx> > --- > .../bindings/misc/mikrobus-connector.yaml | 110 ++++++++++++++++++ > MAINTAINERS | 6 + > 2 files changed, 116 insertions(+) > create mode 100644 Documentation/devicetree/bindings/misc/mikrobus-connector.yaml > > diff --git a/Documentation/devicetree/bindings/misc/mikrobus-connector.yaml b/Documentation/devicetree/bindings/misc/mikrobus-connector.yaml > new file mode 100644 > index 000000000000..6eace2c0dddc > --- /dev/null > +++ b/Documentation/devicetree/bindings/misc/mikrobus-connector.yaml > @@ -0,0 +1,110 @@ > +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/misc/mikrobus-connector.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: mikroBUS add-on board socket > + > +maintainers: > + - Ayush Singh <ayushdevel1325@xxxxxxxxx> > + > +properties: > + compatible: > + const: mikrobus-connector > + > + pinctrl-0: true > + pinctrl-1: true > + pinctrl-2: true > + pinctrl-3: true > + pinctrl-4: true > + pinctrl-5: true > + pinctrl-6: true > + pinctrl-7: true > + pinctrl-8: true > + > + pinctrl-names: > + items: > + - const: default > + - const: pwm_default > + - const: pwm_gpio > + - const: uart_default > + - const: uart_gpio > + - const: i2c_default > + - const: i2c_gpio > + - const: spi_default > + - const: spi_gpio > + > + mikrobus-gpios: > + minItems: 11 > + maxItems: 12 What is each GPIO entry? > + > + i2c-adapter: We already have i2c-bus and i2c-parent properties. Neither of those work for you? > + description: i2c adapter attached to the mikrobus socket. > + $ref: /schemas/types.yaml#/definitions/phandle > + > + spi-controller: > + description: spi bus number of the spi-master attached to the mikrobus socket. > + $ref: /schemas/types.yaml#/definitions/phandle > + > + uart: Nice and consistent. In 3 properties, we have 'adapter', 'controller' and <null>... Also, DT generally uses 'serial' rather than 'uart'. > + description: uart port attached to the mikrobus socket > + $ref: /schemas/types.yaml#/definitions/phandle > + > + pwms: > + description: the pwm-controller corresponding to the mikroBUS PWM pin. > + maxItems: 1 > + > + spi-cs: > + description: spi chip-select numbers corresponding to the chip-selects on the mikrobus socket. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + items: > + - description: chip select corresponding to CS pin > + - description: chip select corresponding to RST pin How would someone handle any of the properties defined in spi-peripheral-props.yaml? Rob
