From nobody Thu Oct 2 03:16:54 2025 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 0A9DB2236E8; Tue, 23 Sep 2025 17:05:34 +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=1758647135; cv=none; b=W3++3f7VckxnhybS2vZrMyTCSl8D1+Z5nlOW4fO+BZ21DLs7TVHrgykYu2ywpcc0d4Ldy0N+ymz1PMQIiuMCEbMs8CexHNw19vig/b5PbDXnj5mODGvdT47VOKhQx25rzM36VX1PTZdtJkSCRG8NjwcMkfdRMjnKmwJCDuVnunE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758647135; c=relaxed/simple; bh=KXS3nXEKv7z+24LNwa8e8cQqaHUz64wU+g3oWwczZYA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=T8fBmfQNh0OfBIxJmxXffKy/UuevlAg/R/Q0vX8Iah7FMv4jZcx0LuqFENmd7pMobMEmcQPBJBwNS9VwKBLO7pogrMfpJnpUxhlqGP5j+IOzmodm54E/WzzO6tg6hGkVVNISKRxn9daXmKgTjhqjTva2OHlaUtuLj1gh0ZwOXjA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=beNAfci8; 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="beNAfci8" Received: by smtp.kernel.org (Postfix) with ESMTPS id A4425C116D0; Tue, 23 Sep 2025 17:05:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758647134; bh=KXS3nXEKv7z+24LNwa8e8cQqaHUz64wU+g3oWwczZYA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=beNAfci8lPWIGTjykwHB6i5JXPFXUYJlXJIwZCl9yx2T1NukDkWyo9k63Lgl8cUTt TZe0UAuRl5uh4smQLkgnatEQfJBmBTL/srQGFxDL6A+o2LnGVT0VnvD/fLAitLk7yJ ccpDZwwBPCdcoQz05b4IE5kQiIA+rHI0h7fw7aNYiGSBChsFY0LQx8B6t5J1cN5mi5 I6+ikJbhplWif5ZKx6U3nvkt8pLGVLz3tgFHFsLlJLRs5fbyREcbb4rOoApQKGsGV6 8VLqB6/Fl8vsOx6YpEnHpyH2Tfy0P+/3jKPrXak6Uy3XAtVlJmJcTY+8qu8D73DoIN t+b89q+zwQ3yQ== 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 9004ACAC5AE; Tue, 23 Sep 2025 17:05:34 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Tue, 23 Sep 2025 12:05:28 -0500 Subject: [PATCH v4 2/9] dt-bindings: memory: tegra210: emc: Document OPP table and interconnect 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: quoted-printable Message-Id: <20250923-t210-actmon-v4-2-442d1eb6377c@gmail.com> References: <20250923-t210-actmon-v4-0-442d1eb6377c@gmail.com> In-Reply-To: <20250923-t210-actmon-v4-0-442d1eb6377c@gmail.com> To: Krzysztof Kozlowski , Rob Herring , Conor Dooley , Thierry Reding , Jonathan Hunter , Krzysztof Kozlowski , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Dmitry Osipenko Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, Aaron Kling X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1758647133; l=1483; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=fxGzLjsrwN+Xeyvc5NaaaQzuBIaA9YsbdpmmFPCmyp0=; b=hsOiaV/M2VIhcGeveysR5AylGa8wKtzkvFzMsLB0LmWqQ9yElaof7IxTy7UypEi4KSFa6j5QG bMn3IHN0avfD2gIfvZ2Bc6q8xOdm4mm20/s7uq0xIGMVQOlNVMsEE03 X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Aaron Kling These are needed for dynamic frequency scaling of the EMC controller. Signed-off-by: Aaron Kling --- .../bindings/memory-controllers/nvidia,tegra210-emc.yaml | 11 +++++++= ++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,te= gra210-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvid= ia,tegra210-emc.yaml index bc8477e7ab193b7880bb681037985f3fccebf02f..4e4fb4acd7f9d376379a19b5f8e= 0256baaed5697 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-= emc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-= emc.yaml @@ -33,6 +33,9 @@ properties: items: - description: EMC general interrupt =20 + "#interconnect-cells": + const: 0 + memory-region: maxItems: 1 description: @@ -44,6 +47,11 @@ properties: description: phandle of the memory controller node =20 + operating-points-v2: + description: + Should contain freqs and voltages and opp-supported-hw property, whi= ch + is a bitfield indicating SoC speedo ID mask. + required: - compatible - reg @@ -79,4 +87,7 @@ examples: interrupts =3D ; memory-region =3D <&emc_table>; nvidia,memory-controller =3D <&mc>; + operating-points-v2 =3D <&dvfs_opp_table>; + + #interconnect-cells =3D <0>; }; --=20 2.51.0