Received: by 10.223.185.116 with SMTP id b49csp364007wrg; Tue, 20 Feb 2018 23:01:44 -0800 (PST) X-Google-Smtp-Source: AH8x224peXWE4rb01MhkFbvDbEYDUnJr1xqaKgDbU1lXhjKNxaulNuXCY1eom7CHN9LsIsCCRdEy X-Received: by 10.99.126.14 with SMTP id z14mr888720pgc.429.1519196504244; Tue, 20 Feb 2018 23:01:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519196504; cv=none; d=google.com; s=arc-20160816; b=Do9CeWXxA3Vv/krA6XMHVOgDrYhDoYDJbF418/Foa7P8W2pvn0HHgRVpuT02DTgY6w h2JfCG3Zdnm4GkxQzHfoCwzzPcjo7ag8HMeOP8lYDyY8MRIvwczuh2jDV8epQZ9jc4CQ 4uBNfNE1Avt9BO4kps4KFI+JNcSkFbwkMIDMe2954pamhpMEusqpJGz+LIIigw0Yu7qk JWikNVoeFDNSfO1SbBWSzrFu+g85lTbR6T0gP31lFU/06wis4GBybJMi22K0sPZJf/bx HdTpETb1rRSmUKepq44S2wmzBR+V65xfzXBnh5I0Lm7pCVRZ6zfzqLLNuJHtyTZjquw7 3E8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:arc-authentication-results; bh=PyK3N3I3jFVv3LwVXAan44NRFfJtHC66jZZkcraMgm4=; b=p+y7qDXiqeu5NZc+pO8twtaLYk5QIGTwLkQhiQsSF6LNSNCiASDzGPWfr4gamiFNDU KHtBt5Gn5bCVOhkiW394lsPOxLKJh0nKvh2gOc+82tGq9Vp4+LMp5umuvp40qp9rfi5V pmHtmdScTUAtxVa+QHuC2rMxikAgdYMPCClTqndl8Ug5lGexcLqM8czo5hyE6+DigDrj eU3H5FGPuJJW/yjY4IQ2N/Az82dZr+SbstCAMfh5QPw2Ib+X+82MyHpyOjVJalN069PS Zzr978HDj+bmlyiWGCR3YYUqh7qKjEQT0i+gW4EZPmCu/Pa1aTLQpIIhN1dloht7nDsM V+AQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a61-v6si566804plc.669.2018.02.20.23.01.30; Tue, 20 Feb 2018 23:01:44 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751798AbeBUHA0 (ORCPT + 99 others); Wed, 21 Feb 2018 02:00:26 -0500 Received: from hqemgate15.nvidia.com ([216.228.121.64]:3232 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751760AbeBUHAX (ORCPT ); Wed, 21 Feb 2018 02:00:23 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com id ; Tue, 20 Feb 2018 23:00:28 -0800 Received: from HQMAIL105.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 20 Feb 2018 23:00:22 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 20 Feb 2018 23:00:22 -0800 Received: from DRUKMAIL101.nvidia.com (10.25.59.19) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 21 Feb 2018 07:00:21 +0000 Received: from HQMAIL105.nvidia.com (172.20.187.12) by drukmail101.nvidia.com (10.25.59.19) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 21 Feb 2018 07:00:16 +0000 Received: from rrajk-ubuntu.nvidia.com (10.124.1.5) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1347.2 via Frontend Transport; Wed, 21 Feb 2018 07:00:08 +0000 From: Rajkumar Rampelli To: , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH 06/10] arm64: tegra: Add Tachometer Controller on Tegra186 Date: Wed, 21 Feb 2018 12:28:55 +0530 Message-ID: <1519196339-9377-7-git-send-email-rrajk@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1519196339-9377-1-git-send-email-rrajk@nvidia.com> References: <1519196339-9377-1-git-send-email-rrajk@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The NVIDIA Tegra186 SoC has a Tachometer Controller that analyzes the PWM signal of a Fan and reports the period value through pwm interface. Signed-off-by: Rajkumar Rampelli --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 5 +++++ arch/arm64/boot/dts/nvidia/tegra186.dtsi | 11 +++++++++++ 2 files changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index bd5305a..13c3e59 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -172,4 +172,9 @@ vin-supply = <&vdd_5v0_sys>; }; }; + + tachometer@39c0000 { + nvidia,pulse-per-rev = <2>; + nvidia,capture-window-len = <2>; + }; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index b762227..8f2d598 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -1031,4 +1031,15 @@ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; interrupt-parent = <&gic>; }; + + tegra_tachometer: tachometer@39c0000 { + compatible = "nvidia,tegra186-pwm-tachometer"; + reg = <0x0 0x039c0000 0x0 0x10>; + #pwm-cells = <2>; + clocks = <&bpmp TEGRA186_CLK_TACH>; + clock-names = "tachometer"; + resets = <&bpmp TEGRA186_RESET_TACH>; + reset-names = "tachometer"; + status = "disabled"; + }; }; -- 2.1.4