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 F3DE127FB18; Mon, 23 Feb 2026 14:33:32 +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=1771857213; cv=none; b=Usb4OM6UOg6BsivCJXDxg5EDHXmExBb6x+dgYU951hYH+gPFeTzPH+Ax09CKa8tbGX8jRm15JabatrZFfrdlscjxh5WAa5WMml6PKwAqmTFV3VkbiNc5a+EqHcTRih+JLNT8OmTSivQdBqiUly3xy0zwvQsYT+d9oOK0WBkHyT0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771857213; c=relaxed/simple; bh=SCd2PdWqmoSRUceewBFV2KibBPAiNgsFHQx4MPUVckI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Jd9dIyN9pEFS5NH/ls+vCiPQTE8ECLJjkNGp/InRKRfmSuhYZGNK20NCJWXTEUtkagcUiyMInBgU4C7NroHPDM059144dCTsUnvi8MkQg4qcJj/QhzkzKZUApboW/93e8MavpCkwL7f4iToPnSesJubXJtyULnX2VpQW79AfDpM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=B1lFWBEo; 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="B1lFWBEo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4526CC116C6; Mon, 23 Feb 2026 14:33:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771857212; bh=SCd2PdWqmoSRUceewBFV2KibBPAiNgsFHQx4MPUVckI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B1lFWBEoWWS4EoBpjbHBlZSz2uXWOFkljHQSaFQqBfdGH9JDiHMSiT2zkVpVKccaK vc8+twEXRsbgxpkDWhq6LPFfBx+XdApFe4t6HontcQRwMGU+x0RLylvhEYiEWQuNUL C7DR2zIhxvILITkSdsn7WKPCxV+msSM9gWud/twixBU8ZMKRxFuAnDaUzwKDPZ5GlS sUWUEIZx88AiK+GIBuaER5W2of1hWWPUPpf7K+uxCWVophx2NlujJeibS5MRJL/8aa L7RtsUhS23TKyukvdLuJvAxRegBlWVyHUrXXR6f9lvcB04lLa9YoSHbc6atG4omi/A e9LO+PMCRDdQg== From: Thierry Reding To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding Cc: Jon Hunter , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH 08/10] dt-bindings: memory: tegra210: Mark EMC as cooling device Date: Mon, 23 Feb 2026 15:33:03 +0100 Message-ID: <20260223143305.3771383-9-thierry.reding@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260223143305.3771383-1-thierry.reding@kernel.org> References: <20260223143305.3771383-1-thierry.reding@kernel.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Thierry Reding The external memory controller found on Tegra210 can use throttling of the EMC frequency in order to reduce the memory chip temperature. Mark the memory controller as a cooling device to take advantage of this functionality. Reviewed-by: Rob Herring Signed-off-by: Thierry Reding --- .../bindings/memory-controllers/nvidia,tegra210-emc.yaml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml index 4e4fb4acd7f9..7a653a011f03 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml @@ -52,6 +52,9 @@ properties: Should contain freqs and voltages and opp-supported-hw property, which is a bitfield indicating SoC speedo ID mask. +allOf: + - $ref: /schemas/thermal/thermal-cooling-devices.yaml + required: - compatible - reg @@ -59,7 +62,7 @@ required: - clock-names - nvidia,memory-controller -additionalProperties: false +unevaluatedProperties: false examples: - | @@ -90,4 +93,5 @@ examples: operating-points-v2 = <&dvfs_opp_table>; #interconnect-cells = <0>; + #cooling-cells = <2>; }; -- 2.52.0