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drivers: rtc: new ambiq am1805 rtc driver

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Added RTC driver for am1805 with rtc time, alarm set/get,
callback and calibration.

Signed-off-by: Sri Surya <srisurya@linumiz.com>
This commit is contained in:
Sri Surya 2023-08-04 21:51:53 +05:30 • committed by Carles Cufí
commit 049aaac696
5 changed files with 648 additions and 0 deletions
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dts/bindings/rtc/ambiq,am1805.yaml Normal file
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# SPDX-License-Identifier: Apache-2.0
# Copyright (c) 2023 Linumiz
# Author: Sri Surya <srisurya@linumiz.com>
description: AMBIQ AM1805 RTC
compatible: "ambiq,am1805"
include:
- name: rtc-device.yaml
- name: i2c-device.yaml
properties:
reg:
required: true
am1805-gpios:
type: phandle-array
description: |
GPIO connected to the AM1805 INT1 interrupt output. This signal is open-drain, active low.