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From: Rajkumar Rampelli <rrajk@nvidia.com>
To: robh+dt@kernel.org, mark.rutland@arm.com,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	jdelvare@suse.com, linux@roeck-us.net, corbet@lwn.net,
	catalin.marinas@arm.com, will.deacon@arm.com,
	kstewart@linuxfoundation.org, gregkh@linuxfoundation.org,
	pombredanne@nexb.com, mmaddireddy@nvidia.com,
	mperttunen@nvidia.com, arnd@arndb.de,
	gregory.clement@free-electrons.com, timur@codeaurora.org,
	andy.gross@linaro.org, xuwei5@hisilicon.com, elder@linaro.org,
	heiko@sntech.de, krzk@kernel.org, ard.biesheuvel@linaro.org
Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
	linux-doc@vger.kernel.org, rrajk@nvidia.com,
	linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org,
	ldewangan@nvidia.com, linux-tegra@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 07/10] arm64: tegra: Add PWM based Tachometer support on Tegra186
Date: Wed, 21 Feb 2018 12:28:56 +0530	[thread overview]
Message-ID: <1519196339-9377-8-git-send-email-rrajk@nvidia.com> (raw)
In-Reply-To: <1519196339-9377-1-git-send-email-rrajk@nvidia.com>

Add PWM based Tachometer support on Tegra186 to measure
number of rotations of a Fan per minute by using PWM
capture interface

Signed-off-by: Rajkumar Rampelli <rrajk@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 8f2d598..37149e9 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1042,4 +1042,10 @@
 		reset-names = "tachometer";
 		status = "disabled";
 	};
+
+	generic_pwm_tachometer {
+		compatible = "generic-pwm-tachometer";
+		pwms = <&tegra_tachometer 0 1000000>;
+		status = "disabled";
+	};
 };
-- 
2.1.4

  parent reply	other threads:[~2018-02-21  6:58 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-21  6:58 [PATCH 00/10] Implementation of Tegra Tachometer driver Rajkumar Rampelli
2018-02-21  6:58 ` [PATCH 01/10] pwm: core: Add support for PWM HW driver with pwm capture only Rajkumar Rampelli
2018-02-21  6:58 ` [PATCH 02/10] dt-bindings: Tegra186 tachometer device tree bindings Rajkumar Rampelli
2018-02-21  6:58 ` [PATCH 03/10] pwm: tegra: Add PWM based Tachometer driver Rajkumar Rampelli
2018-02-21  6:58 ` [PATCH 04/10] hwmon: generic-pwm-tachometer: Add DT binding details Rajkumar Rampelli
2018-02-21  6:58 ` [PATCH 05/10] hwmon: generic-pwm-tachometer: Add generic PWM based tachometer Rajkumar Rampelli
2018-02-21  7:15   ` Mikko Perttunen
2018-02-21 14:46     ` Guenter Roeck
2018-02-21 15:20       ` Mikko Perttunen
2018-02-21 16:08         ` Guenter Roeck
2018-02-23 11:45           ` RAJKUMAR
2018-03-01 22:08         ` Rob Herring
2018-02-21 14:50   ` Guenter Roeck
2018-02-28  5:38     ` Rajkumar Rampelli
2018-02-28  5:58       ` Guenter Roeck
2018-02-28  6:07         ` Rajkumar Rampelli
2018-02-28  6:12         ` Rajkumar Rampelli
2018-02-28  7:03           ` Mikko Perttunen
2018-02-28 14:29             ` Guenter Roeck
2018-03-07  9:47               ` Rajkumar Rampelli
2018-03-07 14:20                 ` Guenter Roeck
2018-03-08  6:06                   ` Laxman Dewangan
2018-03-08 14:31                     ` Guenter Roeck
2018-03-08 15:21                       ` Laxman Dewangan
2018-03-08  7:57                   ` Mikko Perttunen
2018-03-08 14:33                     ` Guenter Roeck
2018-02-21  6:58 ` [PATCH 06/10] arm64: tegra: Add Tachometer Controller on Tegra186 Rajkumar Rampelli
2018-02-21  6:58 ` Rajkumar Rampelli [this message]
2018-02-21  6:58 ` [PATCH 08/10] arm64: defconfig: enable Nvidia Tegra Tachometer as a module Rajkumar Rampelli
2018-02-21  6:58 ` [PATCH 09/10] arm64: defconfig: Enable Generic PWM based Tachometer driver Rajkumar Rampelli
2018-02-21  6:58 ` [PATCH 10/10] arm64: tegra: Add PWM controller on Tegra186 soc Rajkumar Rampelli

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