forked from Openwrt-EcoNet/openwrt
f9206d1111
Replace downstream files by patches, either backports of those which have already applied or pending patches tracked on patchwork. This is done to make future maintainance more easy. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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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<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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