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media: dt-bindings: silabs,si470x: Convert to DT schema
Convert the Silicon Labs Si470x FM Radio Receiver bindings to DT schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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* Silicon Labs FM Radio receiver
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The Silicon Labs Si470x is family of FM radio receivers with receive power scan
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supporting 76-108 MHz, programmable through an I2C interface.
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Some of them includes an RDS encoder.
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Required Properties:
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- compatible: Should contain "silabs,si470x"
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- reg: the I2C address of the device
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Optional Properties:
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- interrupts : The interrupt number
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- reset-gpios: GPIO specifier for the chips reset line
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Example:
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&i2c2 {
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si470x@63 {
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compatible = "silabs,si470x";
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reg = <0x63>;
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interrupt-parent = <&gpj2>;
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interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
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reset-gpios = <&gpj2 5 GPIO_ACTIVE_HIGH>;
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};
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};
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48
Documentation/devicetree/bindings/media/silabs,si470x.yaml
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48
Documentation/devicetree/bindings/media/silabs,si470x.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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$id: http://devicetree.org/schemas/media/silabs,si470x.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Silicon Labs Si470x FM Radio Receiver
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maintainers:
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- Hans Verkuil <hverkuil@xs4all.nl>
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- Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
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properties:
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compatible:
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const: silabs,si470x
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reg:
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maxItems: 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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additionalProperties: 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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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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fmradio@10 {
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compatible = "silabs,si470x";
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reg = <0x10>;
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interrupt-parent = <&gpj2>;
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interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
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reset-gpios = <&gpj2 5 GPIO_ACTIVE_HIGH>;
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};
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};
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@ -18999,6 +18999,7 @@ L: linux-media@vger.kernel.org
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S: Odd Fixes
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W: https://linuxtv.org
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T: git git://linuxtv.org/media_tree.git
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F: Documentation/devicetree/bindings/media/silabs,si470x.yaml
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F: drivers/media/radio/si470x/radio-si470x-i2c.c
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SI470X FM RADIO RECEIVER USB DRIVER
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