From patchwork Mon Aug 13 13:36:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sricharan Ramabadhran X-Patchwork-Id: 10564177 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1411014E2 for ; Mon, 13 Aug 2018 13:37:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0563628FC8 for ; Mon, 13 Aug 2018 13:37:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EBCDD29221; Mon, 13 Aug 2018 13:37:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 778B328FC8 for ; Mon, 13 Aug 2018 13:37:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730068AbeHMQT7 (ORCPT ); Mon, 13 Aug 2018 12:19:59 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:56460 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730043AbeHMQT7 (ORCPT ); Mon, 13 Aug 2018 12:19:59 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 913B760DCF; Mon, 13 Aug 2018 13:37:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1534167459; bh=u/gmnr4kmGsiXQsI3z3Nq4e/n5LI5JoIMMahiwAywCc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LTUmGMdwAxoMhUGYsc6nPUftxYalmPFXb/hSpqQuoM4m259aYUIs6SfEmyGkJqtBD KPxwH294wjVyIOOeJYZzrOUihB6Os5Gycfdx3PJe11QlhR1g1/TkjL9OlpUaXcncmI 04WXK7llvRT9qEmSc34PXw9A2eNNeGLkyIrLNnE8= Received: from srichara-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sricharan@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7BE5560DAB; Mon, 13 Aug 2018 13:37:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1534167446; bh=u/gmnr4kmGsiXQsI3z3Nq4e/n5LI5JoIMMahiwAywCc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ew/WokYiDvLlv/GB0fSCwiCoZC50tSrGTW0JsBKIo4Uk336bAEZ0iRwR15rE8Uxg/ fDLRI7s8QXd4p0HW1Z+cPKaYtjlct6oZ9MDymJ/1aXWB36qaq+oTKpxRKpcOyIMaec uotMnEFa1Uf/FAa4jmaJpb4+gzsp9plwUQplewto= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7BE5560DAB Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=sricharan@codeaurora.org From: Sricharan R To: mark.rutland@arm.com, robh@kernel.org, sudeep.holla@arm.com, linux@arm.linux.org.uk, ctatlor97@gmail.com, rjw@rjwysocki.net, viresh.kumar@linaro.org, mturquette@baylibre.com, linux-pm@vger.kernel.org, sboyd@codeaurora.org, linux@armlinux.org.uk, thierry.escande@linaro.org, linux-kernel@vger.kernel.org, david.brown@linaro.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, andy.gross@linaro.org, linux-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, niklas.cassel@linaro.org Cc: sricharan@codeaurora.org Subject: [PATCH 09/14] dt-bindings: arm: Document qcom,kpss-gcc Date: Mon, 13 Aug 2018 19:06:02 +0530 Message-Id: <1534167367-17545-10-git-send-email-sricharan@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1534167367-17545-1-git-send-email-sricharan@codeaurora.org> References: <1534167367-17545-1-git-send-email-sricharan@codeaurora.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Stephen Boyd The ACC and GCC regions present in KPSSv1 contain registers to control clocks and power to each Krait CPU and L2. Documenting the bindings here. Reviewed-by: Rob Herring Signed-off-by: Stephen Boyd --- .../devicetree/bindings/arm/msm/qcom,kpss-acc.txt | 19 ++++++++++ .../devicetree/bindings/arm/msm/qcom,kpss-gcc.txt | 44 ++++++++++++++++++++++ 2 files changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt index 1333db9..7f69636 100644 --- a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt +++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt @@ -21,10 +21,29 @@ PROPERTIES the register region. An optional second element specifies the base address and size of the alias register region. +- clocks: + Usage: required + Value type: + Definition: reference to the pll parents. + +- clock-names: + Usage: required + Value type: + Definition: must be "pll8_vote", "pxo". + +- clock-output-names: + Usage: optional + Value type: + Definition: Name of the output clock. Typically acpuX_aux where X is a + CPU number starting at 0. + Example: clock-controller@2088000 { compatible = "qcom,kpss-acc-v2"; reg = <0x02088000 0x1000>, <0x02008000 0x1000>; + clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>; + clock-names = "pll8_vote", "pxo"; + clock-output-names = "acpu0_aux"; }; diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt new file mode 100644 index 0000000..e628758 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt @@ -0,0 +1,44 @@ +Krait Processor Sub-system (KPSS) Global Clock Controller (GCC) + +PROPERTIES + +- compatible: + Usage: required + Value type: + Definition: should be one of the following. The generic compatible + "qcom,kpss-gcc" should also be included. + "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc" + "qcom,kpss-gcc-apq8064", "qcom,kpss-gcc" + "qcom,kpss-gcc-msm8974", "qcom,kpss-gcc" + "qcom,kpss-gcc-msm8960", "qcom,kpss-gcc" + +- reg: + Usage: required + Value type: + Definition: base address and size of the register region + +- clocks: + Usage: required + Value type: + Definition: reference to the pll parents. + +- clock-names: + Usage: required + Value type: + Definition: must be "pll8_vote", "pxo". + +- clock-output-names: + Usage: required + Value type: + Definition: Name of the output clock. Typically acpu_l2_aux indicating + an L2 cache auxiliary clock. + +Example: + + l2cc: clock-controller@2011000 { + compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc"; + reg = <0x2011000 0x1000>; + clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>; + clock-names = "pll8_vote", "pxo"; + clock-output-names = "acpu_l2_aux"; + };