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>
95 lines
1.8 KiB
YAML
95 lines
1.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/bus/cznic,moxtet.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Turris Moxtet SPI bus
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maintainers:
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- Marek Behún <kabel@kernel.org>
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description: >
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Turris Mox module status and configuration bus (over SPI)
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The driver finds the devices connected to the bus by itself, but it may be
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needed to reference some of them from other parts of the device tree. In that
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case the devices can be defined as subnodes of the moxtet node.
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properties:
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compatible:
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const: cznic,moxtet
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reg:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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spi-cpol: true
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spi-cpha: true
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spi-max-frequency: true
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interrupt-controller: true
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"#interrupt-cells":
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const: 1
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interrupts:
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maxItems: 1
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reset-gpios:
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maxItems: 1
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required:
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- compatible
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- reg
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- "#address-cells"
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- "#size-cells"
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- spi-cpol
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- spi-cpha
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- interrupts
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- interrupt-controller
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- "#interrupt-cells"
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additionalProperties:
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type: object
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required:
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- reg
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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moxtet@1 {
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compatible = "cznic,moxtet";
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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spi-max-frequency = <10000000>;
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spi-cpol;
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spi-cpha;
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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&gpiosb>;
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interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
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gpio@0 {
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compatible = "cznic,moxtet-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0>;
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};
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};
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};
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