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99 lines
3.4 KiB
Diff
99 lines
3.4 KiB
Diff
From patchwork Sun May 11 14:26:50 2025
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Content-Type: text/plain; charset="utf-8"
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X-Patchwork-Submitter: Frank Wunderlich <frank-w@public-files.de>
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X-Patchwork-Id: 14084133
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From: Frank Wunderlich <frank-w@public-files.de>
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To: Andrew Lunn <andrew@lunn.ch>,
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Vladimir Oltean <olteanv@gmail.com>,
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"David S. Miller" <davem@davemloft.net>,
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Eric Dumazet <edumazet@google.com>,
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Jakub Kicinski <kuba@kernel.org>,
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Paolo Abeni <pabeni@redhat.com>,
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Rob Herring <robh@kernel.org>,
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Krzysztof Kozlowski <krzk+dt@kernel.org>,
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Conor Dooley <conor+dt@kernel.org>,
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Matthias Brugger <matthias.bgg@gmail.com>,
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AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Subject: [PATCH v1 10/14] arm64: dts: mediatek: mt7988a-bpi-r4: Add fan and
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coolingmaps
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Date: Sun, 11 May 2025 16:26:50 +0200
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Message-ID: <20250511142655.11007-1-frank-w@public-files.de>
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X-BeenThere: linux-mediatek@lists.infradead.org
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List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mediatek>,
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<mailto:linux-mediatek-request@lists.infradead.org?subject=subscribe>
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Cc: devicetree@vger.kernel.org, Landen Chao <Landen.Chao@mediatek.com>,
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=?utf-8?b?QXLEsW7DpyDDnE5BTA==?= <arinc.unal@arinc9.com>,
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netdev@vger.kernel.org, Sean Wang <sean.wang@mediatek.com>,
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Daniel Golle <daniel@makrotopia.org>, linux-kernel@vger.kernel.org,
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DENG Qingfang <dqfext@gmail.com>, linux-mediatek@lists.infradead.org,
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Lorenzo Bianconi <lorenzo@kernel.org>, linux-arm-kernel@lists.infradead.org,
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Felix Fietkau <nbd@nbd.name>
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Sender: "Linux-mediatek" <linux-mediatek-bounces@lists.infradead.org>
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Errors-To:
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linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org
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Add Fan and cooling maps for Bananpi-R4 board.
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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---
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.../dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi | 29 +++++++++++++++++++
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1 file changed, 29 insertions(+)
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--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
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+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
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@@ -12,6 +12,15 @@
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stdout-path = "serial0:115200n8";
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};
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+ fan: pwm-fan {
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+ compatible = "pwm-fan";
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+ /* cooling level (0, 1, 2, 3) : (0% duty, 30% duty, 50% duty, 100% duty) */
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+ cooling-levels = <0 80 128 255>;
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+ #cooling-cells = <2>;
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+ pwms = <&pwm 0 50000>;
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+ status = "okay";
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+ };
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+
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reg_1p8v: regulator-1p8v {
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compatible = "regulator-fixed";
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regulator-name = "fixed-1.8V";
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@@ -73,6 +82,26 @@
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type = "active";
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};
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};
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+
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+ cooling-maps {
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+ map-cpu-active-high {
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+ /* active: set fan to cooling level 2 */
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+ cooling-device = <&fan 3 3>;
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+ trip = <&cpu_trip_active_high>;
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+ };
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+
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+ map-cpu-active-med {
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+ /* active: set fan to cooling level 1 */
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+ cooling-device = <&fan 2 2>;
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+ trip = <&cpu_trip_active_med>;
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+ };
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+
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+ map-cpu-active-low {
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+ /* active: set fan to cooling level 0 */
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+ cooling-device = <&fan 1 1>;
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+ trip = <&cpu_trip_active_low>;
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+ };
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+ };
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};
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&i2c0 {
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