From patchwork Fri Apr 2 06:59:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manaf Meethalavalappu Pallikunhi X-Patchwork-Id: 12180345 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2ADF3C433B4 for ; Fri, 2 Apr 2021 07:02:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E162E610FC for ; Fri, 2 Apr 2021 07:02:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234081AbhDBHC3 (ORCPT ); Fri, 2 Apr 2021 03:02:29 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:57804 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234133AbhDBHC0 (ORCPT ); Fri, 2 Apr 2021 03:02:26 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1617346946; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=bFz/V7mrQ5y/g1mvMR97iF/dgaTKxEHkvYcuH5Wz7m0=; b=GW4pibQqh88/dzvqu/ZHlngOXd4Z1onnd9XZFm+/f3UZoWhjY/vGlCW05a0a3bbYvRwflcXg o4t1mIJjqK4GZ0dH+R1fOlItkaFqH95dfd3vzQkG3SOis5YQhUUMIal0mn7pkqicQAfgiEpR icxbi3Ng7uPfZqg89hrApDn8LNw= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-east-1.postgun.com with SMTP id 6066c1778166b7eff70fb32a (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 02 Apr 2021 07:02:15 GMT Sender: manafm=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 2887AC43461; Fri, 2 Apr 2021 07:02:15 +0000 (UTC) Received: from codeaurora.org (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: manafm) by smtp.codeaurora.org (Postfix) with ESMTPSA id AC225C433CA; Fri, 2 Apr 2021 07:02:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org AC225C433CA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=manafm@codeaurora.org From: Manaf Meethalavalappu Pallikunhi To: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andy Gross , Bjorn Andersson , Rob Herring , Meethalavalappu Pallikunhi , Ram Chandrasekar , Taniya Das , Akhil P Oommen Subject: [RFC PATCH 1/2] dt-bindings: soc: qcom: Add SDPM clock monitor driver documentation in yaml Date: Fri, 2 Apr 2021 12:29:06 +0530 Message-Id: <1617346747-8611-2-git-send-email-manafm@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617346747-8611-1-git-send-email-manafm@codeaurora.org> References: <1617346747-8611-1-git-send-email-manafm@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add yaml documentation for SDPM clock monitor driver which will register for clock rate change notification and writes the clock rate into SDPM CSR register. Signed-off-by: Ram Chandrasekar Signed-off-by: Manaf Meethalavalappu Pallikunhi --- .../devicetree/bindings/soc/qcom/qcom-sdpm.yaml | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml new file mode 100644 index 00000000..20df362 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom-sdpm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Simple Digital Power Meter(SDPM) clock monitoring + +maintainers: + - Manaf Meethalavalappu Pallikunhi + - Ram Chandrasekar + +description: | + + SDPM is used to monitor the operating frequency of different clocks and based + on operating levels of different clients, RDPM (Rail Digital Power Meter) + hardware estimates total power consumption of a shared railway. The SDPM + clock monitor driver will register with the clock framework for rate change + notification of different clocks. These clock rate will be updated to SDPM. + +properties: + compatible: + enum: + - qcom,sdpm + + reg: + items: + - description: RDPM hardware base address + + clocks: + items: + minItems: 1 + maxItems: 8 + description: Different clock source + + clock-names: + items: + minItems: 1 + maxItems: 8 + description: Different clock source name + + csr-id: + $ref: '/schemas/types.yaml#/definitions/uint32-array' + description: SDPM CSR IDs matching the clock order mentioned in the + clocks property. + minItems: 1 + maxItems: 8 + +required: + - compatible + - reg + - clocks + - clock-names + - csr-id + +examples: + - | + #include + #include + cx_sdpm@634000 { + compatible = "qcom,sdpm"; + reg = <0x634000 0x1000>; + clocks = <&clock_camcc CAM_CC_IPE_0_CLK_SRC>, + <&clock_gcc GCC_GP1_CLK_SRC>; + clock-names = "cam_cc_ipe", "gcc_gp1"; + csr-id = <5 7>; + }; +...