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Diffstat (limited to 'dts/upstream/Bindings/rtc/amlogic,a4-rtc.yaml')
-rw-r--r-- | dts/upstream/Bindings/rtc/amlogic,a4-rtc.yaml | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/dts/upstream/Bindings/rtc/amlogic,a4-rtc.yaml b/dts/upstream/Bindings/rtc/amlogic,a4-rtc.yaml new file mode 100644 index 00000000000..5d3ac737abc --- /dev/null +++ b/dts/upstream/Bindings/rtc/amlogic,a4-rtc.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2024 Amlogic, Inc. All rights reserved +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/amlogic,a4-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic A4 and A5 RTC + +maintainers: + - Yiting Deng <yiting.deng@amlogic.com> + - Xianwei Zhao <xianwei.zhao@amlogic.com> + +allOf: + - $ref: rtc.yaml# + +properties: + compatible: + enum: + - amlogic,a4-rtc + - amlogic,a5-rtc + + reg: + maxItems: 1 + + clocks: + items: + - description: RTC clock source, available 24M or 32K crystal + oscillator source. when using 24M, need to divide 24M into 32K. + - description: RTC module accesses the clock of the apb bus. + + clock-names: + items: + - const: osc + - const: sys + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + apb { + #address-cells = <2>; + #size-cells = <2>; + + rtc@8e600 { + compatible = "amlogic,a4-rtc"; + reg = <0x0 0x8e600 0x0 0x38>; + clocks = <&xtal_32k>, <&clkc_periphs 1>; + clock-names = "osc", "sys"; + interrupts = <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>; + }; + }; |