| /* |
| * Copyright 2023 Google LLC |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| &gpio0 { |
| ngpios = <12>; |
| }; |
| |
| / { |
| kbd_matrix_interrupt: kbd-matrix-interrupt { |
| compatible = "gpio-kbd-matrix"; |
| row-gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>, |
| <&gpio0 1 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; |
| col-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>, |
| <&gpio0 3 GPIO_ACTIVE_LOW>; |
| debounce-down-ms = <80>; |
| debounce-up-ms = <40>; |
| poll-timeout-ms = <500>; |
| }; |
| |
| kbd_matrix_poll: kbd-matrix-poll { |
| compatible = "gpio-kbd-matrix"; |
| row-gpios = <&gpio0 4 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>, |
| <&gpio0 5 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; |
| col-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>, |
| <&gpio0 7 GPIO_ACTIVE_LOW>; |
| debounce-down-ms = <40>; |
| debounce-up-ms = <80>; |
| poll-timeout-ms = <500>; |
| idle-mode = "poll"; |
| col-drive-inactive; |
| }; |
| |
| kbd_matrix_scan: kbd-matrix-scan { |
| compatible = "gpio-kbd-matrix"; |
| /* pins out of sequence to test non direct read */ |
| row-gpios = <&gpio0 9 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>, |
| <&gpio0 8 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; |
| col-gpios = <&gpio0 11 GPIO_ACTIVE_LOW>, |
| <&gpio0 10 GPIO_ACTIVE_LOW>; |
| debounce-down-ms = <80>; |
| debounce-up-ms = <40>; |
| poll-timeout-ms = <0>; |
| col-drive-inactive; |
| idle-mode = "scan"; |
| }; |
| }; |
