Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
69 lines
1.6 KiB
YAML
69 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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$id: http://devicetree.org/schemas/mfd/syscon-common.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: System Controller Registers R/W Common Properties
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description:
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System controller node represents a register region containing a set
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of miscellaneous registers. The registers are not cohesive enough to
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represent as any specific type of device. The typical use-case is
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for some other node's driver, or platform-specific code, to acquire
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a reference to the syscon node (e.g. by phandle, node path, or
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search using a specific compatible value), interrogate the node (or
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associated OS driver) to determine the location of the registers,
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and access the registers directly.
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maintainers:
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- Lee Jones <lee@kernel.org>
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select:
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properties:
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compatible:
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contains:
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const: syscon
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required:
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- compatible
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properties:
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compatible:
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contains:
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const: syscon
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minItems: 2
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maxItems: 5 # Should be enough
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reg-io-width:
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description:
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The size (in bytes) of the IO accesses that should be performed
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on the device.
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enum: [1, 2, 4, 8]
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required:
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- compatible
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- reg
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: simple-mfd
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then:
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properties:
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compatible:
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minItems: 3
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maxItems: 5
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additionalProperties: true
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examples:
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- |
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syscon: syscon@1c00000 {
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compatible = "allwinner,sun8i-h3-system-controller", "syscon";
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reg = <0x01c00000 0x1000>;
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};
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...
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