From patchwork Wed Mar 21 04:40:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajkumar Rampelli X-Patchwork-Id: 888560 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 405cjM6KvTz9s12 for ; Wed, 21 Mar 2018 15:47:19 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751825AbeCUErH (ORCPT ); Wed, 21 Mar 2018 00:47:07 -0400 Received: from nat-hk.nvidia.com ([203.18.50.4]:42867 "EHLO nat-hk.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751524AbeCUErF (ORCPT ); Wed, 21 Mar 2018 00:47:05 -0400 Received: from hkpgpgate101.nvidia.com (Not Verified[10.18.92.9]) by nat-hk.nvidia.com id ; Wed, 21 Mar 2018 12:41:53 +0800 Received: from HKMAIL104.nvidia.com ([10.18.16.13]) by hkpgpgate101.nvidia.com (PGP Universal service); Tue, 20 Mar 2018 21:41:53 -0700 X-PGP-Universal: processed; by hkpgpgate101.nvidia.com on Tue, 20 Mar 2018 21:41:53 -0700 Received: from DRBGMAIL104.nvidia.com (10.18.16.23) by HKMAIL104.nvidia.com (10.18.16.13) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 21 Mar 2018 04:41:52 +0000 Received: from HQMAIL101.nvidia.com (172.20.187.10) by DRBGMAIL104.nvidia.com (10.18.16.23) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 21 Mar 2018 04:41:44 +0000 Received: from rrajk-ubuntu.nvidia.com (10.124.1.5) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1347.2 via Frontend Transport; Wed, 21 Mar 2018 04:41:35 +0000 From: Rajkumar Rampelli To: , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH V2 6/9] arm64: tegra: Add pwm based fan support on Tegra186 Date: Wed, 21 Mar 2018 10:10:41 +0530 Message-ID: <1521607244-29734-7-git-send-email-rrajk@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1521607244-29734-1-git-send-email-rrajk@nvidia.com> References: <1521607244-29734-1-git-send-email-rrajk@nvidia.com> MIME-Version: 1.0 Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Add pwm fan driver support on Tegra186 SoC. Signed-off-by: Rajkumar Rampelli --- V2: Removed generic-pwm-tachometer driver dt node and using pwm-fan driver for reading fan speed. 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 19e1afc..27ae73e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -1053,4 +1053,10 @@ reset-names = "tachometer"; status = "disabled"; }; + + pwm_fan { + compatible = "pwm-fan"; + pwms = <&tegra_tachometer 0 1000000>; + status = "disabled"; + }; };