[PATCH v2 3/3] riscv: dts: spacemit: modify pinctrl node in dtsi

Linus Walleij linusw at kernel.org
Mon Jan 19 15:53:28 PST 2026


On Thu, Jan 8, 2026 at 7:43 AM Troy Mitchell
<troy.mitchell at linux.spacemit.com> wrote:

> Change the size of the reg register to 0x1000 to match the hardware.
> This register range covers the IO power domain's register addresses.
>
> The IO power domain registers are protected. In order to access the
> protected IO power domain registers, a valid unlock sequence must be
> performed by writing the required keys to the AIB Secure Access Register
> (ASAR).
>
> The ASAR register resides within the APBC register address space.
> A corresponding syscon property `spacemit,apbc` is added to allow
> the pinctrl driver to access this register.
>
> Signed-off-by: Troy Mitchell <troy.mitchell at linux.spacemit.com>

Acked-by: Linus Walleij <linusw at kernel.org>

I have applied patches 1 & 2 in the series.

Yours,
Linus Walleij



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