[PATCH v2 1/3] dt-bindings: pinctrl: spacemit: add syscon property
Rob Herring (Arm)
robh at kernel.org
Thu Jan 15 08:02:37 PST 2026
On Thu, 08 Jan 2026 14:42:38 +0800, Troy Mitchell wrote:
> 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 is added to allow the pinctrl driver
> to access this register.
>
> Signed-off-by: Troy Mitchell <troy.mitchell at linux.spacemit.com>
> ---
> Changelog in v2:
> - add `spacemmit` prefix in the subject
> - remove offset in syscon property
> - remove `spacemit,apbc` property in required
> - Link to v1: https://lore.kernel.org/spacemit/20260108042753-GYA2796@gentoo.org/T/#m2ab46cd63cbb1b110eb317ee5b9d540d39cbd82b
> ---
> Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
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