Re: [PATCH 0/2] Add support for Microchip MCP48FxBy1/2/4/8 DAC with an SPI Interface

Conor Dooley
2026-02-12T17:58:57Z

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On Thu, Feb 12, 2026 at 03:39:19PM +0200, Andy Shevchenko wrote:
> On Thu, Feb 12, 2026 at 02:48:33PM +0200, Ariana Lazar wrote:
> > Add support for Microchip MCP48FxBy1/2/4/8 series of buffered voltage
> > output Digital-to-Analog converters with an SPI Interface. This driver
> > covers the following part numbers:
> > - With nonvolatile memory:
> > - MCP48FEB01, MCP48FEB02, MCP48FEB04, MCP48FEB08,
> > MCP48FEB11, MCP48FEB12, MCP48FEB14, MCP48FEB18,
> > MCP48FEB21, MCP48FEB22, MCP48FEB24, MCP48FEB28
> > - With volatile memory:
> > - MCP48FVB01, MCP48FVB02, MCP48FVB04, MCP48FVB08,
> > MCP48FVB11, MCP48FVB12, MCP48FVB14, MCP48FVB18,
> > MCP48FVB21, MCP48FVB22, MCP48FVB24, MCP48FVB28
> >
> > The families support up to 8 output channels. The devices can be 8-bit,
> > 10-bit and 12-bit resolution.
>
> Is it really v1? I am under impression that I have seen this patch already
> several times...

Me too but I think it's a subtle difference between mcp47febxx and
mcp48febxx that's probably lost in very similar looking part names.

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