[PATCH v9 2/3] dt-bindings: mfd: aspeed,ast2x00-scu: Describe AST2700 SCU0

[Lee Jones]

On Mon, 11 May 2026, Linus Walleij wrote:

> On Wed, May 6, 2026 at 10:07 AM Billy Tsai <billy_tsai at aspeedtech.com> wrote:
> 
> > AST2700 consists of two interconnected SoC instances, each with its own
> > System Control Unit (SCU). The SCU0 provides pin control, interrupt
> > controllers, clocks, resets, and address-space mappings for the
> > Secondary and Tertiary Service Processors (SSP and TSP).
> >
> > Describe the SSP/TSP address mappings using the standard
> > memory-region and memory-region-names properties.
> >
> > Disallow legacy child nodes that are not present on AST2700, including
> > p2a-control and smp-memram. The latter is unnecessary as software can
> > access the scratch registers via the SCU syscon.
> >
> > Also allow the AST2700 SoC0 pin controller to be described as a child
> > node of the SCU0, and add an example illustrating the SCU0 layout,
> > including reserved-memory, interrupt controllers, and pinctrl.
> >
> > Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
> > Signed-off-by: Billy Tsai <billy_tsai at aspeedtech.com>
> 
> This is an MFD patch in the middle of a pinctrl series, I think Lee
> should apply this.
> FWIW:
> Acked-by: Linus Walleij <linusw at kernel.org>

Already applied v8.

-- 
Lee Jones