forked from Minki/linux
22d199a539
The following functionalities are supported: - write, read from volatile memory Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22060b.pdf Signed-off-by: Slawomir Stepien <sst@poczta.fm> Reviewed-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
85 lines
2.2 KiB
Plaintext
85 lines
2.2 KiB
Plaintext
* Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer
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driver
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The node for this driver must be a child node of a SPI controller, hence
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all mandatory properties described in
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Documentation/devicetree/bindings/spi/spi-bus.txt
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must be specified.
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Required properties:
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- compatible: Must be one of the following, depending on the
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model:
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"microchip,mcp4131-502"
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"microchip,mcp4131-103"
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"microchip,mcp4131-503"
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"microchip,mcp4131-104"
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"microchip,mcp4132-502"
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"microchip,mcp4132-103"
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"microchip,mcp4132-503"
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"microchip,mcp4132-104"
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"microchip,mcp4141-502"
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"microchip,mcp4141-103"
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"microchip,mcp4141-503"
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"microchip,mcp4141-104"
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"microchip,mcp4142-502"
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"microchip,mcp4142-103"
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"microchip,mcp4142-503"
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"microchip,mcp4142-104"
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"microchip,mcp4151-502"
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"microchip,mcp4151-103"
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"microchip,mcp4151-503"
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"microchip,mcp4151-104"
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"microchip,mcp4152-502"
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"microchip,mcp4152-103"
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"microchip,mcp4152-503"
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"microchip,mcp4152-104"
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"microchip,mcp4161-502"
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"microchip,mcp4161-103"
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"microchip,mcp4161-503"
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"microchip,mcp4161-104"
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"microchip,mcp4162-502"
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"microchip,mcp4162-103"
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"microchip,mcp4162-503"
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"microchip,mcp4162-104"
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"microchip,mcp4231-502"
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"microchip,mcp4231-103"
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"microchip,mcp4231-503"
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"microchip,mcp4231-104"
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"microchip,mcp4232-502"
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"microchip,mcp4232-103"
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"microchip,mcp4232-503"
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"microchip,mcp4232-104"
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"microchip,mcp4241-502"
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"microchip,mcp4241-103"
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"microchip,mcp4241-503"
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"microchip,mcp4241-104"
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"microchip,mcp4242-502"
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"microchip,mcp4242-103"
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"microchip,mcp4242-503"
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"microchip,mcp4242-104"
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"microchip,mcp4251-502"
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"microchip,mcp4251-103"
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"microchip,mcp4251-503"
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"microchip,mcp4251-104"
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"microchip,mcp4252-502"
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"microchip,mcp4252-103"
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"microchip,mcp4252-503"
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"microchip,mcp4252-104"
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"microchip,mcp4261-502"
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"microchip,mcp4261-103"
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"microchip,mcp4261-503"
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"microchip,mcp4261-104"
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"microchip,mcp4262-502"
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"microchip,mcp4262-103"
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"microchip,mcp4262-503"
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"microchip,mcp4262-104"
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Example:
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mcp4131: mcp4131@0 {
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compatible = "mcp4131-502";
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reg = <0>;
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spi-max-frequency = <500000>;
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};
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