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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml b/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml new file mode 100644 index 000000000..915cbbcc3 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/cypress,cy8c95x0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cypress CY8C95X0 I2C GPIO expander + +maintainers: + - Patrick Rudolph <patrick.rudolph@9elements.com> + +description: | + This supports the 20/40/60 pin Cypress CYC95x0 GPIO I2C expanders. + Pin function configuration is performed on a per-pin basis. + +properties: + compatible: + enum: + - cypress,cy8c9520 + - cypress,cy8c9540 + - cypress,cy8c9560 + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + description: + The first cell is the GPIO number and the second cell specifies GPIO + flags, as defined in <dt-bindings/gpio/gpio.h>. + const: 2 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + gpio-line-names: true + + gpio-ranges: + maxItems: 1 + + gpio-reserved-ranges: + maxItems: 1 + + vdd-supply: + description: + Optional power supply. + +patternProperties: + '-pins$': + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: pincfg-node.yaml# + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + pattern: '^gp([0-7][0-7])$' + minItems: 1 + maxItems: 60 + + function: + description: + Specify the alternative function to be configured for the specified + pins. + enum: [ gpio, pwm ] + + bias-pull-down: true + + bias-pull-up: true + + bias-disable: true + + output-high: true + + output-low: true + + drive-push-pull: true + + drive-open-drain: true + + drive-open-source: true + + required: + - pins + - function + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - '#interrupt-cells' + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +allOf: + - $ref: "pinctrl.yaml#" + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pinctrl@20 { + compatible = "cypress,cy8c9520"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + #interrupt-cells = <2>; + interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + vdd-supply = <&p3v3>; + gpio-reserved-ranges = <5 1>; + }; + }; |