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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml | |
| parent | Initial commit. (diff) | |
| download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml new file mode 100644 index 000000000..37c2a601c --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml @@ -0,0 +1,147 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/allwinner,sun6i-a31-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A31 RTC Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +properties: + "#clock-cells": + const: 1 + + compatible: + oneOf: + - const: allwinner,sun6i-a31-rtc + - const: allwinner,sun8i-a23-rtc + - const: allwinner,sun8i-h3-rtc + - const: allwinner,sun8i-r40-rtc + - const: allwinner,sun8i-v3-rtc + - const: allwinner,sun50i-h5-rtc + - items: + - const: allwinner,sun50i-a64-rtc + - const: allwinner,sun8i-h3-rtc + - const: allwinner,sun50i-h6-rtc + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 2 + items: + - description: RTC Alarm 0 + - description: RTC Alarm 1 + + clocks: + maxItems: 1 + + clock-output-names: + minItems: 1 + maxItems: 3 + description: + The RTC provides up to three clocks + - the Low Frequency Oscillator or LOSC, at index 0, + - the Low Frequency Oscillator External output (X32KFOUT in + the datasheet), at index 1, + - the Internal Oscillator, at index 2. + +allOf: + - $ref: "rtc.yaml#" + - if: + properties: + compatible: + contains: + const: allwinner,sun6i-a31-rtc + + then: + properties: + clock-output-names: + minItems: 1 + maxItems: 1 + + - if: + properties: + compatible: + contains: + enum: + - allwinner,sun8i-a23-rtc + - allwinner,sun8i-r40-rtc + - allwinner,sun8i-v3-rtc + + then: + properties: + clock-output-names: + minItems: 2 + maxItems: 2 + + - if: + properties: + compatible: + contains: + enum: + - allwinner,sun8i-h3-rtc + - allwinner,sun50i-h5-rtc + + then: + properties: + clock-output-names: + minItems: 3 + maxItems: 3 + + - if: + properties: + compatible: + contains: + const: allwinner,sun50i-h6-rtc + + then: + properties: + clock-output-names: + minItems: 3 + maxItems: 3 + + - if: + properties: + compatible: + contains: + const: allwinner,sun8i-r40-rtc + + then: + properties: + interrupts: + minItems: 1 + maxItems: 1 + + else: + properties: + interrupts: + minItems: 2 + maxItems: 2 + +required: + - "#clock-cells" + - compatible + - reg + - interrupts + - clocks + - clock-output-names + +additionalProperties: false + +examples: + - | + rtc: rtc@1f00000 { + compatible = "allwinner,sun6i-a31-rtc"; + reg = <0x01f00000 0x400>; + interrupts = <0 40 4>, <0 41 4>; + clock-output-names = "osc32k"; + clocks = <&ext_osc32k>; + #clock-cells = <1>; + }; + +... |