From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x227O0xwAKBiwsyplyfrPUNe3ea6vsPQn8dnaJXs8kPxY/p5XIfq7QUJ+ozCEdpmvMQNaYBbu ARC-Seal: i=1; a=rsa-sha256; t=1519196433; cv=none; d=google.com; s=arc-20160816; b=VYVssF/2tW7AeVxspo3Yj+H3vvnouB6narJ6E5R7t9+Nbvshi///tO2HbJcCpAwhcF Pi83kMm4zqgu3FgUhq9qSyeXzONQ6jUr5QzL1efU15biX901FAOjus5hE7AC33sAmTfV pv8JyOx2RoveReWi9C4Lz2jqfus0kNYii7aPLXlHr5wxXIf7G9uZTiC7sOW0b5XO0dYj BoeEGlP2s+WSyy1F10g58MN3bxjbtdhXOqnNX4oXEpiqxa4I8O2Ap8Mr1tEC7h55txjV o+6cJjFFn0bbp3nj/1piCaDrGpBQw8ybpsi8NJo776vSc34ngYqBfbk72M0zMrSjJsT5 UA7Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:arc-authentication-results; bh=NW5vN21woXYbdWnNVSAIooPhSuo9raU9pKQ4+5XTlok=; b=epga76FJHUR5ronty+RDkD4JjEfqSWDBGl7Py7g3O+PTQUO+pcXCeHRkuVsj8QN+wH JFttoHUljMTfbaemkKz0bi0mVWseWvkx1fLJxzPzIs3wzM3SvfAC1IeW3mVMwek7/mde y1SHXOOxSpZxIfrd36vwK2GV008mMGCf0DdCMy6HNOuDqlZBG5o0Os4hUhqxk5Jjn51H HUrbLQvnl4qfSRg4yoaRVJHj8P0NSgW8Dp6ONWrFjtUJRka0XB1cTsmDeoFv4xnpoaAc QasmqyeXUcDnDunVWYyQL/VvU1Sts7jbTN8Mr8egyi96JdZE8QyCk16soLoBwW5sofzc he3Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of rrajk@nvidia.com designates 216.228.121.64 as permitted sender) smtp.mailfrom=rrajk@nvidia.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of rrajk@nvidia.com designates 216.228.121.64 as permitted sender) smtp.mailfrom=rrajk@nvidia.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 20 Feb 2018 23:00:32 -0800 From: Rajkumar Rampelli To: , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH 07/10] arm64: tegra: Add PWM based Tachometer support on Tegra186 Date: Wed, 21 Feb 2018 12:28:56 +0530 Message-ID: <1519196339-9377-8-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 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1592992919427579079?= X-GMAIL-MSGID: =?utf-8?q?1592992919427579079?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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 --- 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