From patchwork Mon Nov 4 07:31:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 13860990 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 F2301D111B3 for ; Mon, 4 Nov 2024 07:33:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VlsOt+q3QyxkDGSH7Tf2qMopeaaShqXyNVzri8shfCE=; b=wwvJt09KRKHc4r O9uDwrS/7IN5QAR8lPFytk57K4x2r5QlU1wcxIhLBCIAPoX19TeYERodrNLzgbNwVKxW/CdX0iSOy 3kXwWpa+q1F+zjt5QXNMse93C+d88g0FW4T8yGTrFWR2a8HXbIgMxNBgbNqXUtLm4UeH3MyxFcokY l2oaLmeuMPxct9pJwNQWNNpDY5CNfh0jZxi71YLMDK2exy24OqMvdk1/nnEWbE45cxepT/xn25nHb SceAknfubjtPs7bIkcbthAu1sba2ieHwTEqpSGY8IdHh9Szeq7UqOxqE+mED97jNHRuvVcC5GlH2n tQlLQ0YJk1EEEB7v/44w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t7rat-0000000CrKZ-42mQ; Mon, 04 Nov 2024 07:33:48 +0000 Received: from mail-m17246.xmail.ntesmail.com ([45.195.17.246]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t7raq-0000000CrJr-47WI for linux-rockchip@lists.infradead.org; Mon, 04 Nov 2024 07:33:46 +0000 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 1b5f869f; Mon, 4 Nov 2024 15:33:40 +0800 (GMT+08:00) From: Shawn Lin To: Rob Herring , "James E . J . Bottomley" , "Martin K . Petersen" , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Heiko Stuebner , "Rafael J . Wysocki" Cc: Manivannan Sadhasivam , Alim Akhtar , Avri Altman , Bart Van Assche , YiFeng Zhao , Liang Chen , linux-scsi@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Shawn Lin Subject: [PATCH v4 5/7] pmdomain: rockchip: Add smc call to inform firmware Date: Mon, 4 Nov 2024 15:31:59 +0800 Message-Id: <1730705521-23081-6-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1730705521-23081-1-git-send-email-shawn.lin@rock-chips.com> References: <1730705521-23081-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGktJGVZJT0hMS0IfSx1JH0tWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSUhCSE NVSktLVUpCS0tZBg++ X-HM-Tid: 0a92f617feb709cckunm1b5f869f X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6Nxw6Vgw4PzIqKDpNDiM8NQ04 KgMwCwJVSlVKTEhLTEtOTUlJSE9PVTMWGhIXVQgTGgwVVRcSFTsJFBgQVhgTEgsIVRgUFkVZV1kS C1lBWU5DVUlJVUxVSkpPWVdZCAFZQUpPTEo3Bg++ DKIM-Signature: a=rsa-sha256; b=KOc/V3TOi9CZ+bjGn0XBxZzJxc1ucrWpUkLu9Mto0M5wPnRkMSSVRTi+r+4YrC75jwQAy6JCr0KHm7eTX7ADwMMdsZja1RtfkDAYJnCDDSCN0mCrk6hnh0K57xKUAj7XfnNGO3o2hU0vZUP7xggLECJhVAthb43p1aovPmW919A=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=5bC3QYHOjJ3/vZ0+0nCR2up4r8RzKDUexJly/sw7L6Y=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241103_233345_255218_3B54C699 X-CRM114-Status: GOOD ( 12.07 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Inform firmware to keep the power domain on or off. Suggested-by: Ulf Hansson Signed-off-by: Shawn Lin --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/pmdomain/rockchip/pm-domains.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index cb0f938..8b5dd7f 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -5,6 +5,7 @@ * Copyright (c) 2015 ROCKCHIP, Co. Ltd. */ +#include #include #include #include @@ -20,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -567,6 +569,11 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, genpd->name, is_on); return; } + + /* Inform firmware to keep this pd on or off */ + arm_smccc_smc(ROCKCHIP_SIP_SUSPEND_MODE, ROCKCHIP_SLEEP_PD_CONFIG, + pmu->info->pwr_offset + pd_pwr_offset, + pd->info->pwr_mask, on, 0, 0, 0, NULL); } static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)