bindings/pinctrl/awinic%2Caw9523-pinctrl.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/awinic,aw9523-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
13   The Awinic AW9523/AW9523B I2C GPIO Expander featuring 16 multi-function
18     const: awinic,aw9523-pinctrl
23   '#gpio-cells':
26       include/dt-bindings/gpio/gpio.h
29   gpio-controller: true
31   gpio-ranges:
34   interrupt-controller: true
40   '#interrupt-cells':
43       include/dt-bindings/interrupt-controller/irq.h
46   reset-gpios:
51   '-pins$':
56     $ref: /schemas/pinctrl/pincfg-node.yaml
64           pattern: "^gpio([0-9]|1[0-5])$"
75       bias-disable: true
76       bias-pull-down: true
77       bias-pull-up: true
78       drive-open-drain: true
79       drive-push-pull: true
80       input-enable: true
81       input-disable: true
82       output-high: true
83       output-low: true
86       - pins
87       - function
92   - compatible
93   - reg
94   - gpio-controller
95   - '#gpio-cells'
96   - gpio-ranges
101   # Example configuration to drive pins for a keyboard matrix
102   - |
103     #include <dt-bindings/gpio/gpio.h>
104     #include <dt-bindings/interrupt-controller/irq.h>
107         #address-cells = <1>;
108         #size-cells = <0>;
110         aw9523: gpio-expander@58 {
111                 compatible = "awinic,aw9523-pinctrl";
113                 interrupt-parent = <&tlmm>;
115                 gpio-controller;
116                 #gpio-cells = <2>;
117                 gpio-ranges = <&tlmm 0 0 16>;
118                 interrupt-controller;
119                 #interrupt-cells = <2>;
120                 reset-gpios = <&tlmm 51 GPIO_ACTIVE_HIGH>;
122                 keyboard-matrix-col-pins {
126                         input-disable;
127                         output-low;
130                 keyboard-matrix-row-pins {
134                         bias-pull-up;
135                         drive-open-drain;
136                         input-enable;