From patchwork Fri Nov 7 13:49:36 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 5252931 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0F90DC11AC for ; Fri, 7 Nov 2014 13:52:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3179920145 for ; Fri, 7 Nov 2014 13:52:39 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 50C3420103 for ; Fri, 7 Nov 2014 13:52:38 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XmjwE-0002TQ-MM; Fri, 07 Nov 2014 13:50:54 +0000 Received: from mail-pd0-f176.google.com ([209.85.192.176]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xmjvv-00024h-W5; Fri, 07 Nov 2014 13:50:36 +0000 Received: by mail-pd0-f176.google.com with SMTP id ft15so3330401pdb.7 for ; Fri, 07 Nov 2014 05:50:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=QQ/wQlUDAwmu3jKnAQnEwr8wjC/S7JrmacmRpQm7yfw=; b=fJl9zRHvaU38OoQ/8FMP2iHINvaDM+jhtvdZhuabHoKnA26pGRB8I1i1xNR+4gY92w 23TePCSa+J2V3A7blUfhj7LCxBPvySe1acgF2+H67oRluGwCX/XDKAA4lXXtK4gcafmt Dme+AtI48A4iwoTzSkGHuyNnq/08H1/X+jkigDkqv49Va/VFXMvRTp9kN5n7Zr6iGrQ/ yhH8CVay5PI0weCDiCJ2zeRNv1NW5rLx9WLjV1vJx0xdZzMKCxhqUrkBXtWFdInHggtT D0xGNEq0AQDOXiLpNGCeHMQxMAiV0mPDpQsR5TG5c0fIo0R/LzNGDK+gNzq6RQwruD7v 2/XA== X-Received: by 10.68.242.164 with SMTP id wr4mr12348590pbc.148.1415368213681; Fri, 07 Nov 2014 05:50:13 -0800 (PST) Received: from localhost.localdomain ([104.166.103.149]) by mx.google.com with ESMTPSA id ip1sm8906849pbc.0.2014.11.07.05.50.07 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 07 Nov 2014 05:50:12 -0800 (PST) From: Chris Zhong To: heiko@sntech.de, dianders@chromium.org Subject: [PATCH v7 4/5] ARM: dts: add RK3288 suspend support Date: Fri, 7 Nov 2014 21:49:36 +0800 Message-Id: <1415368177-6637-5-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415368177-6637-1-git-send-email-zyw@rock-chips.com> References: <1415368177-6637-1-git-send-email-zyw@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141107_055036_195623_93AEB6E1 X-CRM114-Status: UNSURE ( 8.82 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.5 (/) Cc: Mark Rutland , devicetree@vger.kernel.org, Russell King , Pawel Moll , Ian Campbell , Linus Walleij , khilman@kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Rob Herring , Kumar Gala , Chris Zhong , mturquette@linaro.org, Tony Xie , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP add pmu sram node for suspend, add global_pwroff pinctrl. The pmu sram is used to store the resume code. global_pwroff is held low level at work, it would be pull to high when entering suspend. reference this in the board DTS file since some boards need it. Signed-off-by: Tony Xie Signed-off-by: Chris Zhong Reviewed-by: Doug Anderson Tested-by: Doug Anderson --- Changes in v7: None Changes in v6: - change pmu_intmem@ff720000 to sram@ff720000 Changes in v5: - change size to 4k Changes in v4: None Changes in v3: None Changes in v2: - put "rockchip,rk3288-pmu-sram" to first arch/arm/boot/dts/rk3288.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index cfc4378..0747c30 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -462,6 +462,11 @@ status = "disabled"; }; + sram@ff720000 { + compatible = "rockchip,rk3288-pmu-sram", "mmio-sram"; + reg = <0xff720000 0x1000>; + }; + pmu: power-management@ff730000 { compatible = "rockchip,rk3288-pmu", "syscon"; reg = <0xff730000 0x100>; @@ -667,6 +672,12 @@ bias-disable; }; + sleep { + global_pwroff: global-pwroff { + rockchip,pins = <0 0 RK_FUNC_1 &pcfg_pull_none>; + }; + }; + i2c0 { i2c0_xfer: i2c0-xfer { rockchip,pins = <0 15 RK_FUNC_1 &pcfg_pull_none>,