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dt-bindings: pwm: add support for MC33XS2410
Adding documentation for NXPs MC33XS2410 high side switch.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Link: https://lore.kernel.org/r/20250407-mc33xs2410-v9-1-57adcb56a6e4@liebherr.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
authored by
Dimitri Fedrau
and committed by
Uwe Kleine-König
8b872a91
e373991e
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Documentation/devicetree/bindings/pwm/nxp,mc33xs2410.yaml
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Documentation/devicetree/bindings/pwm/nxp,mc33xs2410.yaml
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# 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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$id: http://devicetree.org/schemas/pwm/nxp,mc33xs2410.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: High-side switch MC33XS2410
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maintainers:
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- Dimitri Fedrau <dima.fedrau@gmail.com>
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allOf:
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- $ref: pwm.yaml#
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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properties:
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compatible:
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const: nxp,mc33xs2410
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reg:
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maxItems: 1
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spi-max-frequency:
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maximum: 10000000
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spi-cpha: true
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spi-cs-setup-delay-ns:
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minimum: 100
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default: 100
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spi-cs-hold-delay-ns:
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minimum: 10
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default: 10
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spi-cs-inactive-delay-ns:
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minimum: 300
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default: 300
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reset-gpios:
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description:
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GPIO connected to the active low reset pin.
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maxItems: 1
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"#pwm-cells":
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const: 3
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pwm-names:
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items:
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- const: di0
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- const: di1
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- const: di2
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- const: di3
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pwms:
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description:
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Direct inputs(di0-3) are used to directly turn-on or turn-off the
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outputs.
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maxItems: 4
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interrupts:
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maxItems: 1
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clocks:
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description:
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The external clock can be used if the internal clock doesn't meet
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timing requirements over temperature and voltage operating range.
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maxItems: 1
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vdd-supply:
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description:
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Logic supply voltage
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vspi-supply:
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description:
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Supply voltage for SPI
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vpwr-supply:
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description:
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Power switch supply
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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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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pwm@0 {
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compatible = "nxp,mc33xs2410";
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reg = <0x0>;
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spi-max-frequency = <4000000>;
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spi-cpha;
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spi-cs-setup-delay-ns = <100>;
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spi-cs-hold-delay-ns = <10>;
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spi-cs-inactive-delay-ns = <300>;
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reset-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
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#pwm-cells = <3>;
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pwm-names = "di0", "di1", "di2", "di3";
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pwms = <&pwm0 0 1000000>,
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<&pwm1 0 1000000>,
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<&pwm2 0 1000000>,
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<&pwm3 0 1000000>;
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interrupt-parent = <&gpio0>;
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interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
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clocks = <&clk_ext_fixed>;
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vdd-supply = <®_3v3>;
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vspi-supply = <®_3v3>;
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vpwr-supply = <®_24v0>;
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};
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};