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Message-ID: <1587130362-6149-1-git-send-email-spatra@nvidia.com>
Date: Fri, 17 Apr 2020 19:02:41 +0530
From: Sandipan Patra <spatra@...dia.com>
To: <treding@...dia.com>, <robh+dt@...nel.org>,
<u.kleine-koenig@...gutronix.de>, <jonathanh@...dia.com>
CC: <bbasu@...dia.com>, <bbiswas@...dia.com>,
<linux-pwm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Sandipan Patra <spatra@...dia.com>
Subject: [PATCH 1/2] arm64: tegra: Add pwm-fan profile settings
Add support for profiles in device tree to allow
different fan settings for trip point temp/hyst/pwm.
Signed-off-by: Sandipan Patra <spatra@...dia.com>
---
arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index e15d1ea..ff2b980 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -219,10 +219,19 @@
fan: fan {
compatible = "pwm-fan";
- pwms = <&pwm4 0 45334>;
-
- cooling-levels = <0 64 128 255>;
#cooling-cells = <2>;
+ pwms = <&pwm4 0 45334>;
+ profiles {
+ default = "quiet";
+ quiet {
+ state_cap = <4>;
+ cooling-levels = <0 77 120 160 255 255 255 255 255 255>;
+ };
+ cool {
+ state_cap = <4>;
+ cooling-levels = <0 77 120 160 255 255 255 255 255 255>;
+ };
+ };
};
gpio-keys {
--
2.7.4
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