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=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 A8A5DC47089 for ; Thu, 27 May 2021 07:56:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B395613E2 for ; Thu, 27 May 2021 07:56:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235193AbhE0H56 (ORCPT ); Thu, 27 May 2021 03:57:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235272AbhE0H5f (ORCPT ); Thu, 27 May 2021 03:57:35 -0400 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53B8CC061343 for ; Thu, 27 May 2021 00:56:02 -0700 (PDT) Received: by mail-pj1-x1034.google.com with SMTP id q6so2279210pjj.2 for ; Thu, 27 May 2021 00:56:02 -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=/doZaj7RzG7nsTUhqK4KmB6iqriYK3erH2nH1FOUD68=; b=Du/bJjPCbg4kECu8cN42XUDMYzFFqM5hhuJsKuyni/Iegd+QkpFdn3erdTrw336+Je MCwLbsMBWJXz9lKm8LpL3AbKjpXSOXT5Q8Ntiqk2nW/bsG0pjlMkmDWdZVLJ1OskB9oK ElmGvZ2xGkaz9Wb4LxkotNheavjAAy9N3UN8A= 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=/doZaj7RzG7nsTUhqK4KmB6iqriYK3erH2nH1FOUD68=; b=udmysAAzSo5Q27Uszq5sRI2yihKmX20e5gVnYpiIqxH1V1CXU67Db/VOpc04PPI4p8 WTauGxjv0RSXOcyL1j5JoNbJoNCa40Ls6V0cpPiiAXgfFaEcOXY6VSUhr/5lSeVhxaG+ YeWwGfgz6Btl8HPGYjcchDhysl7XwIc0klsDwI6HxIrthE6QtmoOKSATFcY1Ezwy7nWn 90cmbamztXZA7E49dBKLeBRVxdRODG6VQAC5t1HZQ3fLokR7h08yejf8AK8DxMOuVNPs h+k2SIoHU4hiZkWyd6PnlW9rxvVCH1/wWcUYtz/SZPYolPsq11KA0juXAzenR+RzkeHs vpuA== X-Gm-Message-State: AOAM531NlcWfCvLssTqZAyR36gC63hZez7WbBsiL1M2S+zHLywM8NYF9 bFapO53NZ/+4fDbDONmv/swGug== X-Google-Smtp-Source: ABdhPJw9vM3CRZoYcvKhq2sIemcpggZaXiWzX+hqAh8djv70fHOy2wHjuL36qI4azOgorAmQvAePXg== X-Received: by 2002:a17:90a:e553:: with SMTP id ei19mr2447297pjb.175.1622102161697; Thu, 27 May 2021 00:56:01 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:ece5:55a4:6ad3:d20f]) by smtp.gmail.com with ESMTPSA id 69sm1217790pfx.115.2021.05.27.00.55.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 May 2021 00:56:01 -0700 (PDT) From: Hsin-Yi Wang To: Wolfram Sang , Matthias Brugger , Jean Delvare , Rob Herring , Bartosz Golaszewski Cc: linux-i2c@vger.kernel.org, Qii Wang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Mark Brown , Marek Szyprowski , Bibby Hsieh , Arnd Bergmann Subject: [PATCH v21 RESEND 0/4] add power control in i2c Date: Thu, 27 May 2021 15:55:52 +0800 Message-Id: <20210527075556.1709140-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.818.g46aad6cb9e-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org 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 v20: - fix regulator check logic in suspend/resume. Changes since v19: - resend v19 with fix tag added. 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 (3): dt-binding: i2c: mt65xx: add vbus-supply property i2c: mediatek: mt65xx: add optional vbus-supply arm64: dts: mt8183: add supply name for eeprom .../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/i2c/busses/i2c-mt65xx.c | 7 ++ drivers/i2c/i2c-core-base.c | 95 +++++++++++++++++++ include/linux/i2c.h | 2 + 7 files changed, 117 insertions(+) -- 2.31.1.818.g46aad6cb9e-goog