From patchwork Tue May 19 03:55:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11556881 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0321490 for ; Tue, 19 May 2020 04:06:32 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CB96D20657 for ; Tue, 19 May 2020 04:06:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VsfAPtms" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB96D20657 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=XGERhduvf+B3NIHHc4DkYYbSIqggQMMJiw04R7//76w=; b=VsfAPtms1QDU6WMr8Kqrk8kQvk PuHTm9wAnKWvvjsgfXXHM0FeF2evL0w+89EUF1RSCl5SqKeO8EhCNwfDrU7/8yhkj7QJ/1X2RQcqe aq3guJc0eFdNXvSDpM4bbIhICo07eMLhMhVSRmE3ee10ckd/1NlFL9N0jHF813ukeFE2Q9yTgGw3k Hx68W35SrtlocqnteS734EDnGnK1ttJUxPckX4Z/xuWGIEfM0x2jKNIQ7+D6Gjv9TKmBkAxVhGQMB ov7DrQGnKTFfyUeWFXqHIMILXikcCRkGptGApx/Rpirgbb9QQqBIcletWnBCQWVtrHqj7uQBYkMtg F/lyzxqA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jatWI-0001Qi-VG; Tue, 19 May 2020 04:06:22 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jatVf-0000pc-FX for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2020 04:05:46 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 1F8ED1A0067; Tue, 19 May 2020 06:05:42 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 9F6661A00A9; Tue, 19 May 2020 06:05:36 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 1A5FB402E7; Tue, 19 May 2020 12:05:24 +0800 (SGT) From: Anson Huang To: daniel.lezcano@linaro.org, tglx@linutronix.de, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, ping.bai@nxp.com, aisheng.dong@nxp.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH V2 2/3] dt-bindings: timer: Convert i.MX TPM to json-schema Date: Tue, 19 May 2020 11:55:46 +0800 Message-Id: <1589860547-3207-3-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1589860547-3207-1-git-send-email-Anson.Huang@nxp.com> References: <1589860547-3207-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200518_210543_829880_05A86EC5 X-CRM114-Status: GOOD ( 11.89 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.13 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-imx@nxp.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the i.MX TPM binding to DT schema format using json-schema. Signed-off-by: Anson Huang Reviewed-by: Dong Aisheng --- Changes since V1: - remove unnecessary maxItems for clocks/clock-names. --- .../devicetree/bindings/timer/nxp,tpm-timer.txt | 28 ---------- .../devicetree/bindings/timer/nxp,tpm-timer.yaml | 61 ++++++++++++++++++++++ 2 files changed, 61 insertions(+), 28 deletions(-) delete mode 100644 Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt create mode 100644 Documentation/devicetree/bindings/timer/nxp,tpm-timer.yaml diff --git a/Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt b/Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt deleted file mode 100644 index f82087b..0000000 --- a/Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt +++ /dev/null @@ -1,28 +0,0 @@ -NXP Low Power Timer/Pulse Width Modulation Module (TPM) - -The Timer/PWM Module (TPM) supports input capture, output compare, -and the generation of PWM signals to control electric motor and power -management applications. The counter, compare and capture registers -are clocked by an asynchronous clock that can remain enabled in low -power modes. TPM can support global counter bus where one TPM drives -the counter bus for the others, provided bit width is the same. - -Required properties: - -- compatible : should be "fsl,imx7ulp-tpm" -- reg : Specifies base physical address and size of the register sets - for the clock event device and clock source device. -- interrupts : Should be the clock event device interrupt. -- clocks : The clocks provided by the SoC to drive the timer, must contain - an entry for each entry in clock-names. -- clock-names : Must include the following entries: "ipg" and "per". - -Example: -tpm5: tpm@40260000 { - compatible = "fsl,imx7ulp-tpm"; - reg = <0x40260000 0x1000>; - interrupts = ; - clocks = <&clks IMX7ULP_CLK_NIC1_BUS_DIV>, - <&clks IMX7ULP_CLK_LPTPM5>; - clock-names = "ipg", "per"; -}; diff --git a/Documentation/devicetree/bindings/timer/nxp,tpm-timer.yaml b/Documentation/devicetree/bindings/timer/nxp,tpm-timer.yaml new file mode 100644 index 0000000..edd9585 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,tpm-timer.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/nxp,tpm-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Low Power Timer/Pulse Width Modulation Module (TPM) + +maintainers: + - Dong Aisheng + +description: | + The Timer/PWM Module (TPM) supports input capture, output compare, + and the generation of PWM signals to control electric motor and power + management applications. The counter, compare and capture registers + are clocked by an asynchronous clock that can remain enabled in low + power modes. TPM can support global counter bus where one TPM drives + the counter bus for the others, provided bit width is the same. + +properties: + compatible: + const: fsl,imx7ulp-tpm + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SoC TPM ipg clock + - description: SoC TPM per clock + + clock-names: + items: + - const: ipg + - const: per + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + #include + + timer@40260000 { + compatible = "fsl,imx7ulp-tpm"; + reg = <0x40260000 0x1000>; + interrupts = ; + clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>, + <&pcc2 IMX7ULP_CLK_LPTPM5>; + clock-names = "ipg", "per"; + };