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7f464532b0
Setting 'additionalProperties: false' is frequently omitted, but is important in order to check that there aren't extra undocumented properties in a binding. Ideally, we'd just add this automatically and make this the default, but there's some cases where it doesn't work. For example, if a common schema is referenced, then properties in the common schema aren't part of what's considered for 'additionalProperties'. Also, sometimes there are bus specific properties such as 'spi-max-frequency' that go into bus child nodes, but aren't defined in the child node's schema. So let's stick with the json-schema defined default and add 'additionalProperties: false' where needed. This will be a continual review comment and game of wack-a-mole. Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Stephen Boyd <sboyd@kernel.org> # clock Acked-by: Lee Jones <lee.jones@linaro.org>
71 lines
1.6 KiB
YAML
71 lines
1.6 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/clock/imx8mp-clock.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP i.MX8M Plus Clock Control Module Binding
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maintainers:
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- Anson Huang <Anson.Huang@nxp.com>
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description:
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NXP i.MX8M Plus clock control module is an integrated clock controller, which
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generates and supplies to all modules.
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properties:
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compatible:
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const: fsl,imx8mp-ccm
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reg:
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maxItems: 1
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clocks:
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items:
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- description: 32k osc
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- description: 24m osc
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- description: ext1 clock input
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- description: ext2 clock input
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- description: ext3 clock input
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- description: ext4 clock input
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clock-names:
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items:
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- const: osc_32k
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- const: osc_24m
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- const: clk_ext1
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- const: clk_ext2
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- const: clk_ext3
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- const: clk_ext4
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'#clock-cells':
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const: 1
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description:
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The clock consumer should specify the desired clock by having the clock
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ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8mp-clock.h
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for the full list of i.MX8M Plus clock IDs.
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- '#clock-cells'
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additionalProperties: false
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examples:
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# Clock Control Module node:
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- |
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clk: clock-controller@30380000 {
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compatible = "fsl,imx8mp-ccm";
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reg = <0x30380000 0x10000>;
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#clock-cells = <1>;
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clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>,
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<&clk_ext2>, <&clk_ext3>, <&clk_ext4>;
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clock-names = "osc_32k", "osc_24m", "clk_ext1",
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"clk_ext2", "clk_ext3", "clk_ext4";
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};
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...
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