From patchwork Tue May 19 03:55:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11556877 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 C2C0D90 for ; Tue, 19 May 2020 04:05:54 +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 94360204EF for ; Tue, 19 May 2020 04:05:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fOoB5Ubf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94360204EF 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=O1sg3FvchrG/VfUr8sQIUOWKRmOq5Q5Nskv8foIoTeE=; b=fOoB5Ubf/YmF15IDJJaBowtSCM qB5xtJ/25NOwr6i7y9mux866FqFpiVQNCcsG1g3yaBj5xEeRgfuVgPONV5TEcG2QQisxMxYQjxUDf C9XTQ01VTfDZPoLnNJ/AycU9SGL83t/T5DdQZKVDuvqyWyYPkxH7pb/zqZ12B3J8as1UPvD3E++NS PfUeezzEWOxQ6b3abzrTveD1Av4Sm47k7fdFC5BCFWiKmKyGJ2j4uYoOe7DX431bxfQ/7J2dn2xwi nm8hgAlAnb+N1Zy1Kf+Yy9JUBG6cTv5Zjxabs/4xAEXqbR7v+XctezO58u2axJIYYCTOe+qlJW/XS e/n6U8ww==; 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 1jatVl-0000w7-Qj; Tue, 19 May 2020 04:05:49 +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 1jatVa-0000lC-3F for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2020 04:05:40 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 45D891A000A; Tue, 19 May 2020 06:05:36 +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 90BE51A00D2; Tue, 19 May 2020 06:05:30 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 801F3402B3; Tue, 19 May 2020 12:05:23 +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 1/3] dt-bindings: timer: Convert i.MX GPT to json-schema Date: Tue, 19 May 2020 11:55:45 +0800 Message-Id: <1589860547-3207-2-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_210538_415908_21CB8A38 X-CRM114-Status: GOOD ( 10.93 ) 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 GPT binding to DT schema format using json-schema. Signed-off-by: Anson Huang Reviewed-by: Dong Aisheng --- Changes since V1: - remove unnecessary compatible item descriptions; - remove unnecessary maxItems for clocks/clock-names; --- .../devicetree/bindings/timer/fsl,imxgpt.txt | 45 ------------ .../devicetree/bindings/timer/fsl,imxgpt.yaml | 80 ++++++++++++++++++++++ 2 files changed, 80 insertions(+), 45 deletions(-) delete mode 100644 Documentation/devicetree/bindings/timer/fsl,imxgpt.txt create mode 100644 Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt deleted file mode 100644 index 5d8fd5b..0000000 --- a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt +++ /dev/null @@ -1,45 +0,0 @@ -Freescale i.MX General Purpose Timer (GPT) - -Required properties: - -- compatible : should be one of following: - for i.MX1: - - "fsl,imx1-gpt"; - for i.MX21: - - "fsl,imx21-gpt"; - for i.MX27: - - "fsl,imx27-gpt", "fsl,imx21-gpt"; - for i.MX31: - - "fsl,imx31-gpt"; - for i.MX25: - - "fsl,imx25-gpt", "fsl,imx31-gpt"; - for i.MX50: - - "fsl,imx50-gpt", "fsl,imx31-gpt"; - for i.MX51: - - "fsl,imx51-gpt", "fsl,imx31-gpt"; - for i.MX53: - - "fsl,imx53-gpt", "fsl,imx31-gpt"; - for i.MX6Q: - - "fsl,imx6q-gpt", "fsl,imx31-gpt"; - for i.MX6DL: - - "fsl,imx6dl-gpt"; - for i.MX6SL: - - "fsl,imx6sl-gpt", "fsl,imx6dl-gpt"; - for i.MX6SX: - - "fsl,imx6sx-gpt", "fsl,imx6dl-gpt"; -- reg : specifies base physical address and size of the registers. -- interrupts : should be the gpt 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 "ipg" entry first, then "per" entry. - -Example: - -gpt1: timer@10003000 { - compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; - reg = <0x10003000 0x1000>; - interrupts = <26>; - clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, - <&clks IMX27_CLK_PER1_GATE>; - clock-names = "ipg", "per"; -}; diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml new file mode 100644 index 0000000..5479290 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/fsl,imxgpt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX General Purpose Timer (GPT) + +maintainers: + - Sascha Hauer + +properties: + compatible: + oneOf: + - const: "fsl,imx1-gpt" + - const: "fsl,imx21-gpt" + - items: + - const: "fsl,imx27-gpt" + - const: "fsl,imx21-gpt" + - const: "fsl,imx31-gpt" + - items: + - const: "fsl,imx25-gpt" + - const: "fsl,imx31-gpt" + - items: + - const: "fsl,imx50-gpt" + - const: "fsl,imx31-gpt" + - items: + - const: "fsl,imx51-gpt" + - const: "fsl,imx31-gpt" + - items: + - const: "fsl,imx53-gpt" + - const: "fsl,imx31-gpt" + - items: + - const: "fsl,imx6q-gpt" + - const: "fsl,imx31-gpt" + - const: "fsl,imx6dl-gpt" + - items: + - const: "fsl,imx6sl-gpt" + - const: "fsl,imx6dl-gpt" + - items: + - const: "fsl,imx6sx-gpt" + - const: "fsl,imx6dl-gpt" + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SoC GPT ipg clock + - description: SoC GPT per clock + + clock-names: + items: + - const: ipg + - const: per + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + + timer@10003000 { + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; + reg = <0x10003000 0x1000>; + interrupts = <26>; + clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, + <&clks IMX27_CLK_PER1_GATE>; + clock-names = "ipg", "per"; + }; 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; 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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"; + }; From patchwork Tue May 19 03:55:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11556879 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 19C7890 for ; 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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 DBAD340318; Tue, 19 May 2020 12:05:26 +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 3/3] dt-bindings: timer: Convert i.MX SYSCTR to json-schema Date: Tue, 19 May 2020 11:55:47 +0800 Message-Id: <1589860547-3207-4-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_933005_2766F09C X-CRM114-Status: GOOD ( 12.58 ) 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 SYSCTR binding to DT schema format using json-schema. Signed-off-by: Anson Huang Reviewed-by: Dong Aisheng --- No changes. --- .../devicetree/bindings/timer/nxp,sysctr-timer.txt | 25 ---------- .../bindings/timer/nxp,sysctr-timer.yaml | 54 ++++++++++++++++++++++ 2 files changed, 54 insertions(+), 25 deletions(-) delete mode 100644 Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt create mode 100644 Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml diff --git a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt deleted file mode 100644 index d576599..0000000 --- a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.txt +++ /dev/null @@ -1,25 +0,0 @@ -NXP System Counter Module(sys_ctr) - -The system counter(sys_ctr) is a programmable system counter which provides -a shared time base to Cortex A15, A7, A53, A73, etc. it is intended for use in -applications where the counter is always powered and support multiple, -unrelated clocks. The compare frame inside can be used for timer purpose. - -Required properties: - -- compatible : should be "nxp,sysctr-timer" -- reg : Specifies the base physical address and size of the comapre - frame and the counter control, read & compare. -- interrupts : should be the first compare frames' interrupt -- clocks : Specifies the counter clock. -- clock-names: Specifies the clock's name of this module - -Example: - - system_counter: timer@306a0000 { - compatible = "nxp,sysctr-timer"; - reg = <0x306a0000 0x20000>;/* system-counter-rd & compare */ - clocks = <&clk_8m>; - clock-names = "per"; - interrupts = ; - }; diff --git a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml new file mode 100644 index 0000000..830211c --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/nxp,sysctr-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP System Counter Module(sys_ctr) + +maintainers: + - Bai Ping + +description: | + The system counter(sys_ctr) is a programmable system counter + which provides a shared time base to Cortex A15, A7, A53, A73, + etc. it is intended for use in applications where the counter + is always powered and support multiple, unrelated clocks. The + compare frame inside can be used for timer purpose. + +properties: + compatible: + const: nxp,sysctr-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: per + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + + timer@306a0000 { + compatible = "nxp,sysctr-timer"; + reg = <0x306a0000 0x20000>; + clocks = <&clk_8m>; + clock-names = "per"; + interrupts = ; + };