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OpenCloudOS-Kernel/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml

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dt-bindings: rtc: Convert Allwinner A31 RTC to a schema The newer Allwinner SoCs have an embedded RTC supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:34 +08:00
# 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>
dt-bindings: Change maintainer address While my email address has changed for a while, all the schemas I contributed still have the old one unfortunately. Update it. Signed-off-by: Maxime Ripard <maxime@cerno.tech> Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-09 17:32:48 +08:00
- Maxime Ripard <mripard@kernel.org>
dt-bindings: rtc: Convert Allwinner A31 RTC to a schema The newer Allwinner SoCs have an embedded RTC supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:34 +08:00
properties:
"#clock-cells":
const: 1
compatible:
oneOf:
- const: allwinner,sun6i-a31-rtc
- const: allwinner,sun8i-a23-rtc
- const: allwinner,sun8i-h3-rtc
dt-bindings: rtc: sun6i: Add the R40 RTC compatible The R40 has a pretty different RTC compared to the other SoCs we've encountered so far, the most important difference being that it now has only a single interrupt, compared to the previous SoCs having two. Let's add a compatible for that. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:35 +08:00
- const: allwinner,sun8i-r40-rtc
dt-bindings: rtc: Convert Allwinner A31 RTC to a schema The newer Allwinner SoCs have an embedded RTC supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:34 +08:00
- const: allwinner,sun8i-v3-rtc
- const: allwinner,sun50i-h5-rtc
- items:
- const: allwinner,sun50i-a64-rtc
- const: allwinner,sun8i-h3-rtc
dt-bindings: rtc: sun6i: Add compatible for H6 RTC RTC on H6 is similar to the one on H5 SoC, but incompatible in small details. See the driver for description of differences. For example H6 RTC needs to enable the external low speed oscillator. Add new compatible for this RTC. Signed-off-by: Ondrej Jirman <megous@megous.com> Link: https://lore.kernel.org/r/20190820151934.3860-2-megous@megous.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-08-20 23:19:32 +08:00
- const: allwinner,sun50i-h6-rtc
dt-bindings: rtc: Convert Allwinner A31 RTC to a schema The newer Allwinner SoCs have an embedded RTC supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:34 +08:00
reg:
maxItems: 1
interrupts:
dt-bindings: rtc: sun6i: Add the R40 RTC compatible The R40 has a pretty different RTC compared to the other SoCs we've encountered so far, the most important difference being that it now has only a single interrupt, compared to the previous SoCs having two. Let's add a compatible for that. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:35 +08:00
minItems: 1
dt-bindings: rtc: Convert Allwinner A31 RTC to a schema The newer Allwinner SoCs have an embedded RTC supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:34 +08:00
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
dt-bindings: rtc: sun6i: Add the R40 RTC compatible The R40 has a pretty different RTC compared to the other SoCs we've encountered so far, the most important difference being that it now has only a single interrupt, compared to the previous SoCs having two. Let's add a compatible for that. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:35 +08:00
- allwinner,sun8i-r40-rtc
dt-bindings: rtc: Convert Allwinner A31 RTC to a schema The newer Allwinner SoCs have an embedded RTC supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:34 +08:00
- 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
dt-bindings: rtc: sun6i: Add compatible for H6 RTC RTC on H6 is similar to the one on H5 SoC, but incompatible in small details. See the driver for description of differences. For example H6 RTC needs to enable the external low speed oscillator. Add new compatible for this RTC. Signed-off-by: Ondrej Jirman <megous@megous.com> Link: https://lore.kernel.org/r/20190820151934.3860-2-megous@megous.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-08-20 23:19:32 +08:00
- if:
properties:
compatible:
contains:
const: allwinner,sun50i-h6-rtc
then:
properties:
clock-output-names:
minItems: 3
maxItems: 3
dt-bindings: rtc: sun6i: Add the R40 RTC compatible The R40 has a pretty different RTC compared to the other SoCs we've encountered so far, the most important difference being that it now has only a single interrupt, compared to the previous SoCs having two. Let's add a compatible for that. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:35 +08:00
- if:
properties:
compatible:
contains:
const: allwinner,sun8i-r40-rtc
then:
properties:
interrupts:
minItems: 1
maxItems: 1
else:
properties:
interrupts:
minItems: 2
maxItems: 2
dt-bindings: rtc: Convert Allwinner A31 RTC to a schema The newer Allwinner SoCs have an embedded RTC supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-05-29 04:30:34 +08:00
required:
- "#clock-cells"
- compatible
- reg
- interrupts
- 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>;
};
...