From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.9 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 483F3C4321D for ; Fri, 24 Aug 2018 01:57:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0E0721557 for ; Fri, 24 Aug 2018 01:57:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="D0Dc+bRc"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="BxQYf+5d" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E0E0721557 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726475AbeHXF3d (ORCPT ); Fri, 24 Aug 2018 01:29:33 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:43662 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725945AbeHXF3d (ORCPT ); Fri, 24 Aug 2018 01:29:33 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 19DD560251; Fri, 24 Aug 2018 01:57:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535075830; bh=B8SvGqK+WRj3358lJw5OH3XE7y4gavCvqyZ7e8iMwP0=; h=From:To:Subject:Date:From; b=D0Dc+bRczMuLo0UX27E5aQkjI0Brc3JY003KiZOe0HWnS45+RRYh+B3bFl7aFIFKp T+017GqnYNEK51JCgWv5AH1JWdq5Ay0DKpQHfIrqI8KThOF1Xn6xmOwjpcyW9QUgKB YcZXvl+UHpIbIiG7J7LF/Bvd7n7bDA3oRCCR8z1A= Received: from davidai-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: daidavid1@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id E404460159; Fri, 24 Aug 2018 01:57:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535075829; bh=B8SvGqK+WRj3358lJw5OH3XE7y4gavCvqyZ7e8iMwP0=; h=From:To:Subject:Date:From; b=BxQYf+5dR86S4m+KKmEsjaQEMf+EItMNhj0dOFnuWwsJc5qqACXcUPRXQmRv822VO diy846jv1Coe11y8ioDNds3PiIgT9EoqxC0Un/pERU4SFuXGUSA54kkLdB5ms4/MR9 yjVIfcJTWzePKRMfeYUBWnWW0fef2T0J76UHy8Sk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E404460159 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=daidavid1@codeaurora.org From: David Dai To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, georgi.djakov@linaro.org, vincent.guittot@linaro.org, bjorn.andersson@linaro.org, daidavid1@codeaurora.org, amit.kucheria@linaro.org, ilina@codeaurora.org, seansw@qti.qualcomm.com, grahamr@qti.qualcomm.com, evgreen@google.com Subject: [PATCH v3 0/2] Add sdm845 interconnect provider driver Date: Thu, 23 Aug 2018 18:56:52 -0700 Message-Id: <1535075814-17343-1-git-send-email-daidavid1@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This patch series adds a driver and DT binding using the interconnect (ICC) framework [1] to describe the Qualcomm SDM845 platform's topology of its interconnected buses and internal aggregation nodes known as Bus Clock Managers(BCM). The SDM845 ICC provider driver would aggregate and satisfy consumer requests across the SoC by generating commands that communicate with the BCM through the Resource Power Manager (RPMh) driver [2] interface. The SDM845 ICC driver also configures QoS settings specific to each node to ensure clients have proper priority. The SDM845 interconnect provider has dependencies on the RPMh driver and Command DB driver [3]. Changes in v3 [6]: - Updated provider set prototype to be compatible with v8 of ICC framework - Added additional comments and fixed format (Evan G.) - Fixed endianess issues (Evan G.) - Added clean up of nodes in probe failure and qnoc_remove (Evan G.) - Merged sdm845 local node IDs with qcom dt-binding IDs - Removed IPA CORE nodes and BCMs. Changes in v2 [5]: - Updated to use the latest RPMH and CommandDB patches - Fixed bug in bcm aggregation - Updated sdm845 provider dt entry Changes in v1 [4]: - Addressed review feedback from Georgi D. and Evan G. - Removed proposal to modify ICC aggregate callback interface - Moved BCM aggregation into provider set function - Added devicetree binding documentation - Fixed logic in generating TCS command list - Added keepalive flags for resources that are critical to platform operation - Added various comments to clarify intent - Removed unused types and struct definitions [1]: https://lkml.org/lkml/2018/8/10/387 [2]: https://lkml.org/lkml/2018/6/20/519 [3]: https://lkml.org/lkml/2018/4/10/714 [4]: https://patchwork.kernel.org/patch/10428167/ [5]: https://lkml.org/lkml/2018/6/29/743 [6]: https://lkml.org/lkml/2018/7/18/1109 Summary of the patches: Patch 1 creates the Qualcomm SDM845 Specific provider driver. Patch 2 Adds dt binding for SDM845 provider TODO: * Add Network-on-Chip (NoC) objects to encapsulate logical nodes for QoS. * Add QoS configuration specific to each NoC. David Dai (2): interconnect: qcom: Add sdm845 interconnect provider driver arm64: dts: sdm845: Add interconnect provider DT nodes .../bindings/interconnect/qcom-sdm845.txt | 22 + arch/arm64/boot/dts/qcom/sdm845.dtsi | 5 + drivers/interconnect/qcom/Kconfig | 8 + drivers/interconnect/qcom/Makefile | 1 + drivers/interconnect/qcom/sdm845.c | 844 +++++++++++++++++++++ include/dt-bindings/interconnect/qcom.h | 110 ++- 6 files changed, 989 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom-sdm845.txt create mode 100644 drivers/interconnect/qcom/sdm845.c -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project