From patchwork Tue Oct 21 23:26:21 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 5128871 Return-Path: X-Original-To: patchwork-linux-rockchip@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 F3D87C11AC for ; Tue, 21 Oct 2014 23:27:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 385C420145 for ; Tue, 21 Oct 2014 23:27:15 +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 985DF201ED for ; Tue, 21 Oct 2014 23:27:10 +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 1Xgipa-0002wI-70; Tue, 21 Oct 2014 23:27:10 +0000 Received: from va-smtp01.263.net ([54.88.144.211]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XgipL-0002fm-S7; Tue, 21 Oct 2014 23:26:56 +0000 Received: from leejh-Precision-WorkStation-T3500.corp.google.com (localhost.localdomain [127.0.0.1]) by va-smtp01.263.net (Postfix) with ESMTP id E11097F90E; Wed, 22 Oct 2014 07:26:27 +0800 (CST) X-RL-SENDER: zyw@rock-chips.com X-FST-TO: heiko@sntech.de X-SENDER-IP: 127.0.0.1 X-LOGIN-NAME: zyw@rock-chips.com X-UNIQUE-TAG: X-SENDER: zyw@rock-chips.com X-DNS-TYPE: 1 Received: from leejh-Precision-WorkStation-T3500.corp.google.com (localhost [127.0.0.1]) by va-smtp01.263.net (Postfix) whith ESMTP id 308189THU5C; Wed, 22 Oct 2014 07:26:27 +0800 (CST) From: Chris Zhong To: Heiko Stuebner Subject: [PATCH v4 6/6] ARM: dts: add RK3288 suspend support Date: Tue, 21 Oct 2014 16:26:21 -0700 Message-Id: <1413933981-25875-1-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1413933461-25602-1-git-send-email-zyw@rock-chips.com> References: <1413933461-25602-1-git-send-email-zyw@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141021_162655_992215_5EBB9DE8 X-CRM114-Status: UNSURE ( 8.06 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: Mark Rutland , devicetree@vger.kernel.org, Mike Turquette , Pawel Moll , Ian Campbell , Linus Walleij , dianders@chromium.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Rob Herring , Kumar Gala , Chris Zhong , Russell King , Tony Xie , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 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+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.3 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_intmem node for suspend, add global_pwroff pinctrl. The pmu_intmem is used to store the resume code. global_pwroff is held low level at work, it would be pull to high when entering suspend. PMICs can get this signal, then shut down some power rails. So please reference the global_pwroff pinctrl as part of the PMIC config. Signed-off-by: Tony Xie Signed-off-by: Chris Zhong --- 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..c52fe09 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -439,6 +439,11 @@ status = "disabled"; }; + pmu_intmem@ff720000 { + compatible = "rockchip,rk3288-pmu-sram", "mmio-sram"; + reg = <0xff720000 0x4000>; + }; + 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>,