From patchwork Wed Oct 29 11:52:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 5187201 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 73DB6C11AC for ; Wed, 29 Oct 2014 11:58:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9557C20254 for ; Wed, 29 Oct 2014 11:58:26 +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 A87D0201CD for ; Wed, 29 Oct 2014 11:58:25 +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 1XjRqy-0006DB-GX; Wed, 29 Oct 2014 11:55:52 +0000 Received: from mail-pa0-f41.google.com ([209.85.220.41]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XjRoo-0002yd-Tf; Wed, 29 Oct 2014 11:53:39 +0000 Received: by mail-pa0-f41.google.com with SMTP id rd3so3022861pab.14 for ; Wed, 29 Oct 2014 04:53:17 -0700 (PDT) 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=+ZXTlq6npBCDm/4HIJV8KaaMyeveiVfsyTm4rwo+zQ4=; b=fOl28ELjVnhDth8/xjWt4qpPFnT+58bFSeHjF3ln/IS8g/4Bo0y1rK40newzleKx5b NCfVv8btkfWrZMn0MIWFP+P9IXpxo6gH8Tr1X0mr6+gjYq38FSHMXCAYfgnlRPPZYVOz VwfRCDBVhcxZ/etlwVZSbHPn3rmrOmZaAGhHxgqNJXBqc/LCCZcEUWsLFxVaDZE/IybF v1Ic5bGzoRoBhW89mKPtO+BDsgN80LZYx5VrWSchkVruAdq3geU4qWu4V4cCD+Kofvxk sVgfxhcTWG5MvkOQtLnyJZWJTbjcQkrxB2iNl3MOhw6fUAxKF0IawU8uCj53y8qOe4Bg aqDA== X-Received: by 10.66.191.8 with SMTP id gu8mr9944337pac.126.1414583597251; Wed, 29 Oct 2014 04:53:17 -0700 (PDT) Received: from localhost.localdomain ([104.166.103.139]) by mx.google.com with ESMTPSA id tc8sm3441987pab.19.2014.10.29.04.53.11 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 29 Oct 2014 04:53:16 -0700 (PDT) From: Chris Zhong To: heiko@sntech.de, dianders@chromium.org Subject: [PATCH v6 6/7] ARM: dts: add RK3288 suspend support Date: Wed, 29 Oct 2014 19:52:04 +0800 Message-Id: <1414583525-17395-7-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1414583525-17395-1-git-send-email-zyw@rock-chips.com> References: <1414583525-17395-1-git-send-email-zyw@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141029_045339_047523_BCDDF008 X-CRM114-Status: GOOD ( 10.47 ) 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 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 874e66d..248c349 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -439,6 +439,11 @@ 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>; @@ -634,6 +639,12 @@ 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>,