From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4745B44F56D; Wed, 30 Sep 2026 07:00:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790751604; cv=none; b=uFaBgFB7pPRJGvqZqsCEHqA5UjTmfCDbf4pqIcsduvviDHW/LGYkg+f0OdzPgV3XialTYHBWVTjL1w57e8YG5d3jTOl+729SbwsChYX3s9mqgL/KZVsqSd5pG0M0riKSe4v91VpHzZGxqGwMDx0KBGp8cUh8AC/h9rODAWB1XTU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790751604; c=relaxed/simple; bh=me0/GaYRhRGsLTRt0o/xOAdYgAPd8saMs5gs1pazfMw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=GbQX0Y9DN6UT0/dddcjqoW1UbeKTDtRUFuEtct5rSKFP8Hw+YdI92+Uf2KpfyxU9T3zP+JzdH/8zEZhZyCk6TYSwhwLmG316Y70H0fL/yV0fP/0MHthph2dy001MxtWfr6QRCCBAtAazp2XhsXkwxMn0JuWSr9ED0Y0/ewLLYG8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eBiiYx1i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eBiiYx1i" Received: by smtp.kernel.org (Postfix) with ESMTPS id D0F0CC4AF14; Wed, 30 Sep 2026 07:00:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1790751603; bh=me0/GaYRhRGsLTRt0o/xOAdYgAPd8saMs5gs1pazfMw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=eBiiYx1iUpFLgCs3jPyyLsZR9BoZkOENFXPvq3ecvlkQNGSeSI9XWjINwi7BrTAdp 55IgCDowjZJjY3pPgWvzwrMoPILR41AIfffMjNYCVZVQ0YGTx8CgoQY5K1V0vg9iPp g6Hop6zLVODjowEapVFM/1RPcp8KB6P7hmWdVSRLC/ZjZa3EPF++b0Gf0k9cyXZ/Od WdmT7LsPkYoKNkWvx4PWQ4Ak/qtwR9oXmOXRx4gn+kyc0eszAwRvc6t7wyMtqaHbD3 naZqyen/S57ZYy/PFrRus7h/YKQEPSquC72/73x9JAztVR+ayXQeY8HFAfHLhkryGa Qfh2XOeslNuwQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC888CA5FC2; Wed, 30 Sep 2026 07:00:02 +0000 (UTC) From: Fil Dunsky via B4 Relay Date: Wed, 30 Sep 2026 10:00:02 +0300 Subject: [PATCH RFC 03/10] dt-bindings: arm: cpus: Add Cortina Systems CS7542 enable method Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260930-b4-cs75xx-v1-3-4617c4463529@gmail.com> References: <20260930-b4-cs75xx-v1-0-4617c4463529@gmail.com> In-Reply-To: <20260930-b4-cs75xx-v1-0-4617c4463529@gmail.com> To: Arnd Bergmann , Linus Walleij , Krzysztof Kozlowski Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Jiri Slaby , Russell King , Alexandre Belloni , Drew Fustini , Lorenzo Pieralisi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Fil Dunsky X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1790751600; l=1236; i=filipp.dunsky@gmail.com; s=20260930; h=from:subject:message-id; bh=zHs4d0oCr/fkCjW2IncoLpYzn3PsYpvSJVPGzM+249Y=; b=5NGp1Z9mv2h2Aiqk1msw4SDQyLOh8bIopneUpk9z2/71v/F+jOsc6UszjLI5N6VAxuYLJ8g2j aJRpOJj1wZlB3JO04HulAycLiCjFcGXIKZCahBcJ84HQ+Wlbe5HNL3d X-Developer-Key: i=filipp.dunsky@gmail.com; a=ed25519; pk=JAYP8e2rJ54DHOmhNtXud8rl1igAaAXoOHxtJmVXI1g= X-Endpoint-Received: by B4 Relay for filipp.dunsky@gmail.com/20260930 with auth_id=1085 X-Original-From: Fil Dunsky Reply-To: filipp.dunsky@gmail.com From: Fil Dunsky On the CS7542 the bootloader parks the secondary Cortex-A9 core in a loop that waits for an event and then jumps to the address found in a global software register. Add the "cortina,cs7542-smp" enable method for it and, as with the other release-address based methods, require cpu-release-addr to point at that register. Signed-off-by: Fil Dunsky --- Documentation/devicetree/bindings/arm/cpus.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml index 96136b70dac..7a394c500d6 100644 --- a/Documentation/devicetree/bindings/arm/cpus.yaml +++ b/Documentation/devicetree/bindings/arm/cpus.yaml @@ -269,6 +269,7 @@ properties: - brcm,bcm63138 - brcm,bcm-nsp-smp - brcm,brahma-b15 + - cortina,cs7542-smp - marvell,armada-375-smp - marvell,armada-380-smp - marvell,armada-390-smp @@ -484,6 +485,7 @@ allOf: enable-method: enum: - spin-table + - cortina,cs7542-smp - renesas,r9a06g032-smp required: - enable-method -- 2.53.0