From: "Rob Herring (Arm)" <robh@kernel.org>
To: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
linux-riscv@lists.infradead.org,
Linus Walleij <linusw@kernel.org>, Yixun Lan <dlan@gentoo.org>,
devicetree@vger.kernel.org, Albert Ou <aou@eecs.berkeley.edu>,
Palmer Dabbelt <palmer@dabbelt.com>,
Alexandre Ghiti <alex@ghiti.fr>, Paul Walmsley <pjw@kernel.org>,
spacemit@lists.linux.dev
Subject: Re: [PATCH v2 1/3] dt-bindings: pinctrl: spacemit: add syscon property
Date: Thu, 15 Jan 2026 10:02:37 -0600 [thread overview]
Message-ID: <176849295668.693144.16118634517088023109.robh@kernel.org> (raw)
In-Reply-To: <20260108-kx-pinctrl-aib-io-pwr-domain-v2-1-6bcb46146e53@linux.spacemit.com>
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@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@kernel.org>
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next prev parent reply other threads:[~2026-01-15 16:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 6:42 [PATCH v2 0/3] pinctrl: spacemit: support I/O power domain configuration Troy Mitchell
2026-01-08 6:42 ` [PATCH v2 1/3] dt-bindings: pinctrl: spacemit: add syscon property Troy Mitchell
2026-01-15 16:02 ` Rob Herring (Arm) [this message]
2026-01-08 6:42 ` [PATCH v2 2/3] pinctrl: spacemit: support I/O power domain configuration Troy Mitchell
2026-01-08 6:42 ` [PATCH v2 3/3] riscv: dts: spacemit: modify pinctrl node in dtsi Troy Mitchell
2026-01-08 7:37 ` Yixun Lan
2026-01-09 1:31 ` Troy Mitchell
2026-01-19 23:53 ` Linus Walleij
2026-01-19 23:52 ` [PATCH v2 0/3] pinctrl: spacemit: support I/O power domain configuration Linus Walleij
2026-01-20 0:31 ` Yixun Lan
2026-01-20 0:55 ` (subset) " Yixun Lan
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