| # Copyright (c) 2023, Ambiq Micro Inc. |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| description: | |
| Bluetooth module that uses Ambiq's Bluetooth Host Controller Interface SPI |
| driver (e.g. Apollo4 Blue Plus). |
| |
| compatible: "ambiq,bt-hci-spi" |
| |
| include: [spi-device.yaml, bt-hci.yaml] |
| |
| properties: |
| reg: |
| type: array |
| required: true |
| |
| irq-gpios: |
| type: phandle-array |
| description: | |
| This irq gpio is used to indicate there is packet ready to send to host |
| from controller. |
| |
| reset-gpios: |
| type: phandle-array |
| description: | |
| This reset gpio is used to reset the Bluetooth controller. |
| |
| clkreq-gpios: |
| type: phandle-array |
| description: | |
| This clkreq gpio is used to send the XO32MHz clock request to host from |
| controller. The host needs to enable XO32MHz when receiving low to high |
| edge interrupts and disable XO32MHz when receiving high to low edge |
| interrupts. |
| |
| bt-hci-name: |
| default: "ambiq hci" |
| |
| bt-hci-bus: |
| default: "spi" |
