From patchwork Mon Jan 8 12:08:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ruihai Zhou X-Patchwork-Id: 13513359 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8B003C3DA6E for ; Mon, 8 Jan 2024 12:08:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date:Subject:Cc: To:From:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=/nhSNer/yVL2skacLugz8NMKxcIl7PuX2VC9t+mugzE=; b=iFs9w1w08+A2Nza4mWr9I+xHte O6ONFG4m/uIvefjZi6EeEFiQPWx0Dvyb5YHLycQDaGScxCzD29Bus7J4W1e2Dy5YE4Be4kiJXfrhJ ovdvSwdx62o3bKh3Tll1N3jHjXA/fXYwvrnWmCTx5DCuIr/Gdy7aJdw/LtMgcgJUNybabi+IG+fME YHJVHzwkX3ukhHSP4O4LQhxGiPUbcg/pzlusRNZXT2WJYbIVtknJ75JWr7BgSHbr0eEi9nyLR20ch J1LSlmXe1uXU7Ja3qrVR+UD6HQdXYS1OoCBSDMfDLzxankOnb+79qbtmsPEY/LF2IMIupyeZbzaWg noIPzvoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rMoR4-004zk2-1d; Mon, 08 Jan 2024 12:08:54 +0000 Received: from mail-pf1-x432.google.com ([2607:f8b0:4864:20::432]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rMoR1-004zia-0I for linux-mediatek@lists.infradead.org; Mon, 08 Jan 2024 12:08:52 +0000 Received: by mail-pf1-x432.google.com with SMTP id d2e1a72fcca58-6d9af1f52bcso402518b3a.3 for ; Mon, 08 Jan 2024 04:08:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=huaqin-corp-partner-google-com.20230601.gappssmtp.com; s=20230601; t=1704715726; x=1705320526; darn=lists.infradead.org; h=message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/nhSNer/yVL2skacLugz8NMKxcIl7PuX2VC9t+mugzE=; b=rmn4Wsi147mv+Vw6S8v0Ovtr/7X80MI8Mc+iE0ejIJtvySsdMUJS2q0mfQT2zfdXrD FohFPlp/HpGa/S+jli5VCUbF9rP36YcPTLaE+bMx8T8WRD2IuWEgQJkAcBeBSrxTCPnS mXHNqTdrfwSExag4hLMmxW6JbIR1TXJc9K9ofDovyLJ1rilUFaTAxHNIMK0NK/eBh+cz BQ+x0DrBVDDS2H+3CgPPLd0Z8TmAKw5Vun04Xdm7fWrfMCUxYyMg67a6+DcwLlDrltZl vYF4NnDllwGLsd22oFl/pN4uxaeCrUjR/oZAgDEAiX1qasFZelycf1Az/pIcRlwmgEBC pluw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704715726; x=1705320526; h=message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/nhSNer/yVL2skacLugz8NMKxcIl7PuX2VC9t+mugzE=; b=JM4pcuu7y+o7u5pROGgpDGf9YzIGtWaa97KwHr9IDTJwTDj9+LgynmdBTMfK4Xy41j si3h+ZAiAjeJDzGoUbTKbCM3wbuMICDpy0gxFGhQkAyhAT76TE9IJdaQf+x06Fywk/ri Ik0up2F/LuoQKD/7DN7VlJl06uFRKxrwpx9E6q/i6uzqTCPZ0RnrwfuYs2H0nFWaGVCQ rqo8WA5LpJx5eRRFlekR8962JsgE+8Xfw1HQqpOXN7gMoTRnJ+Nfc/Jb4WlkjZrzTitM G6NcBESP7I3+3r7BkpWaauDTKgZesqxmp/GdTVgx3OaoxbZeF0OOgLf9b/1YAnVI5k26 ctbg== X-Gm-Message-State: AOJu0YxYOoopLF3R6lSILELtAp52bZlPraZMID3uffaa/ARrXdNopeQs w0oUYqUifr020P0vFwtliBp17S8BXrHIsg== X-Google-Smtp-Source: AGHT+IGoSAHza6f/gGxUz5CpIyLUVbg/lQJL20KAwRWxJsjEjnYmktGVhaUdgtsbKhHhbOmGjmZD1g== X-Received: by 2002:aa7:9215:0:b0:6d9:bb52:9977 with SMTP id 21-20020aa79215000000b006d9bb529977mr1033162pfo.11.1704715726415; Mon, 08 Jan 2024 04:08:46 -0800 (PST) Received: from chromeos.huaqin.com ([116.66.212.162]) by smtp.gmail.com with ESMTPSA id fb13-20020a056a002d8d00b006d9aa6592d0sm5822588pfb.82.2024.01.08.04.08.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jan 2024 04:08:45 -0800 (PST) From: Ruihai Zhou To: broonie@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wenst@chromium.org, Ruihai Zhou Subject: [PATCH] spi: spi-mt65xx: Support sleep pin control Date: Mon, 8 Jan 2024 20:08:02 +0800 Message-Id: <20240108120802.7601-1-zhouruihai@huaqin.corp-partner.google.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240108_040851_329856_2080195B X-CRM114-Status: UNSURE ( 9.19 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Supports configuring sleep pin control during system suspend to prevent potential power leakage and additional power consumption. Signed-off-by: Ruihai Zhou --- drivers/spi/spi-mt65xx.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 8d5d170d49cc..8d4633b353ee 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -1316,6 +1317,8 @@ static int mtk_spi_suspend(struct device *dev) clk_disable_unprepare(mdata->spi_hclk); } + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -1325,6 +1328,8 @@ static int mtk_spi_resume(struct device *dev) struct spi_controller *host = dev_get_drvdata(dev); struct mtk_spi *mdata = spi_controller_get_devdata(host); + pinctrl_pm_select_default_state(dev); + if (!pm_runtime_suspended(dev)) { ret = clk_prepare_enable(mdata->spi_clk); if (ret < 0) {