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34d1e75415
Cleanup by removing unneeded quotes from refs and redundant blank lines. No functional impact except adjusting to preferred coding style. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Dmitry Rokosov <ddrokosov@sberdevices.ru> # memsensing Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com> # sama5d2-adc Reviewed-by: Puranjay Mohan <puranjay12@gmail.com> # tmp117 Acked-by: Rob Herring <robh@kernel.org> Acked-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com> # ad7292 Link: https://lore.kernel.org/r/20230124081037.31013-1-krzysztof.kozlowski@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
111 lines
2.2 KiB
YAML
111 lines
2.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/dac/st,stm32-dac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: STMicroelectronics STM32 DAC
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description: |
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The STM32 DAC is a 12-bit voltage output digital-to-analog converter. The DAC
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may be configured in 8 or 12-bit mode. It has two output channels, each with
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its own converter.
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It has built-in noise and triangle waveform generator and supports external
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triggers for conversions. The DAC's output buffer allows a high drive output
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current.
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maintainers:
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- Fabrice Gasnier <fabrice.gasnier@foss.st.com>
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properties:
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compatible:
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enum:
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- st,stm32f4-dac-core
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- st,stm32h7-dac-core
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reg:
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maxItems: 1
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resets:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: pclk
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vref-supply:
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description: Phandle to the vref input analog reference voltage.
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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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additionalProperties: false
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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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- vref-supply
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- '#address-cells'
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- '#size-cells'
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patternProperties:
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"^dac@[1-2]+$":
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type: object
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description:
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A DAC block node should contain at least one subnode, representing an
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DAC instance/channel available on the machine.
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properties:
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compatible:
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const: st,stm32-dac
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reg:
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description: Must be either 1 or 2, to define (single) channel in use
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enum: [1, 2]
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'#io-channel-cells':
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const: 1
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additionalProperties: false
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required:
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- compatible
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- reg
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- '#io-channel-cells'
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examples:
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- |
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// Example on stm32mp157c
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#include <dt-bindings/clock/stm32mp1-clks.h>
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dac: dac@40017000 {
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compatible = "st,stm32h7-dac-core";
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reg = <0x40017000 0x400>;
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clocks = <&rcc DAC12>;
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clock-names = "pclk";
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vref-supply = <&vref>;
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#address-cells = <1>;
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#size-cells = <0>;
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dac@1 {
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compatible = "st,stm32-dac";
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#io-channel-cells = <1>;
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reg = <1>;
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};
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dac@2 {
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compatible = "st,stm32-dac";
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#io-channel-cells = <1>;
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reg = <2>;
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};
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};
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...
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