From patchwork Wed Apr 14 17:29:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 12203441 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=-11.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 DFAD5C433B4 for ; Wed, 14 Apr 2021 17:29:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 78F8A61179 for ; Wed, 14 Apr 2021 17:29:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 78F8A61179 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 272466E4C9; Wed, 14 Apr 2021 17:29:24 +0000 (UTC) Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8E8536E4C9 for ; Wed, 14 Apr 2021 17:29:22 +0000 (UTC) Received: by mail-pj1-x1032.google.com with SMTP id cu16so8621952pjb.4 for ; Wed, 14 Apr 2021 10:29:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1Mc9V/D86U6BEgIVG5fSvnzsnM5e5tTTmQuVaPnzWOE=; b=I+jfFQqNi9/cilXzuSk6QG3M59Lt49okHGRHlubvLVjAI91piLtl8VNAc4/BfaPVFk XaU5JTTJewUdvBdO5DRSzYJoTrk334pEPmYXthPFZKGaXM0GbIQxibJe7BK1zsGNZEZp iaoZlNOa/SIbvvmTcc/kGpzVFB49NHkAluesQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1Mc9V/D86U6BEgIVG5fSvnzsnM5e5tTTmQuVaPnzWOE=; b=kHZ+MzRrrICQCxFVTSRcUJxk2QylhAJ6PE86PbqchQEzNbXdznDx+o9grUherP4j28 0wOgzVKpIGDzaSqlcgbu4oNGHb9FZN/8RKInDQBBv9mm9i0WeHN2Z7cdiYeHlp6ovPsA 5hPwXoGl93DD6ThL5IJVTRkyl+I8JXdnekmUqiBI+D8o5AmrSQzM8SjMEPqZIhDZZ0zq u//ZdaOBjDlTCobKwxZF1mHPkjhoWQCHvEf7K2OKJfAPJyUGs+/O6s/sHaA31KQzZ9yi gVEh97YeYKfZLnJ2ihyYDVJb8a4O6gcEIIDhlwyHLCJAjnUoO0SD7Q+Rj9IoWi14hudV c3qg== X-Gm-Message-State: AOAM533z+z/79JWhxKEd/ihRLZYjtDT5LHHgcLcDG3K6rkP4JFy4EgRO pq/xJXE7OP5vjxmDGeol6zC2Hw== X-Google-Smtp-Source: ABdhPJx59RC39LfClSHgnlQasDDu7sVxpdQzTbo5+kAxp9cQhaHMPuG2TyZuMZw0VJ7OVAVgHWGybw== X-Received: by 2002:a17:902:7589:b029:e8:c011:1f28 with SMTP id j9-20020a1709027589b02900e8c0111f28mr38384074pll.35.1618421361888; Wed, 14 Apr 2021 10:29:21 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:bae3:4af0:9792:1539]) by smtp.gmail.com with ESMTPSA id e31sm63460pjk.4.2021.04.14.10.29.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Apr 2021 10:29:21 -0700 (PDT) From: Hsin-Yi Wang To: Wolfram Sang , Matthias Brugger , Rob Herring , Bartosz Golaszewski Date: Thu, 15 Apr 2021 01:29:10 +0800 Message-Id: <20210414172916.2689361-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v19 0/6] add power control in i2c X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Qii Wang , Arnd Bergmann , Greg Kroah-Hartman , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Mark Brown , linux-mediatek@lists.infradead.org, linux-i2c@vger.kernel.org, Bibby Hsieh , linux-arm-kernel@lists.infradead.org, Marek Szyprowski Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Although in the most platforms, the power of eeprom and i2c are alway on, some platforms disable the eeprom and i2c power in order to meet low power request. This patch add the pm_runtime ops to control power to support all platforms. Changes since v18: - Fix a function name conflict with drivers/gpu/drm/i915/selftests/i915_gem.c Changes since v17: - Add a patch to fix unbalanced regulator disabling. - Add dts patch. Changes since v16: - request regulator in device instead of in the core. - control regulator only if it's provided. Changes since v15: - Squash the fix[1] for v15. [1] https://patchwork.ozlabs.org/project/linux-i2c/patch/20200522101327.13456-1-m.szyprowski@samsung.com/ Changes since v14: - change the return value in normal condition - access the variable after NULL pointer checking - add ack tag Changes since v13: - fixup some logic error Changes since v12: - rebase onto v5.7-rc1 - change the property description in binding Changes since v11: - use suspend_late/resume_early instead of suspend/resume - rebase onto v5.6-rc1 Changes since v10: - fixup some worng codes Changes since v9: - fixup build error - remove redundant code Changes since v8: - fixup some wrong code - remove redundant message [... snip ...] Bibby Hsieh (1): i2c: core: support bus regulator controlling in adapter Hsin-Yi Wang (5): dt-binding: i2c: mt65xx: add vbus-supply property i2c: mediatek: mt65xx: add optional vbus-supply misc: eeprom: at24: check suspend status before disable regulator arm64: dts: mt8183: add supply name for eeprom drm/i915/selftests: Rename functions names .../devicetree/bindings/i2c/i2c-mt65xx.txt | 1 + .../dts/mediatek/mt8183-kukui-kakadu.dtsi | 4 + .../dts/mediatek/mt8183-kukui-kodama.dtsi | 4 + .../boot/dts/mediatek/mt8183-kukui-krane.dtsi | 4 + drivers/gpu/drm/i915/selftests/i915_gem.c | 10 +-- drivers/i2c/busses/i2c-mt65xx.c | 7 ++ drivers/i2c/i2c-core-base.c | 88 +++++++++++++++++++ drivers/misc/eeprom/at24.c | 6 +- include/linux/i2c.h | 2 + 9 files changed, 119 insertions(+), 7 deletions(-)