Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753156AbaLAIxO (ORCPT ); Mon, 1 Dec 2014 03:53:14 -0500 Received: from mail-pd0-f181.google.com ([209.85.192.181]:44139 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753137AbaLAIxI (ORCPT ); Mon, 1 Dec 2014 03:53:08 -0500 From: Chris Zhong To: heiko@sntech.de, dianders@chromium.org Cc: mturquette@linaro.org, Ian Campbell , Russell King , Rob Herring , Pawel Moll , Mark Rutland , Linus Walleij , khilman@kernel.org, linux-rockchip@lists.infradead.org, Chris Zhong , Tony Xie , Kumar Gala , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v10 3/4] ARM: dts: add RK3288 suspend support Date: Mon, 1 Dec 2014 16:52:19 +0800 Message-Id: <1417423940-1669-4-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1417423940-1669-1-git-send-email-zyw@rock-chips.com> References: <1417423940-1669-1-git-send-email-zyw@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 v10: None Changes in v9: None Changes in v8: - add ddr pinctrl for suspend 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 | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index 0f50d5d..eede3c6 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -480,6 +480,11 @@ }; }; + sram@ff720000 { + compatible = "rockchip,rk3288-pmu-sram", "mmio-sram"; + reg = <0xff720000 0x1000>; + }; + pmu: power-management@ff730000 { compatible = "rockchip,rk3288-pmu", "syscon"; reg = <0xff730000 0x100>; @@ -703,6 +708,24 @@ bias-disable; }; + sleep { + global_pwroff: global-pwroff { + rockchip,pins = <0 0 RK_FUNC_1 &pcfg_pull_none>; + }; + + ddrio_pwroff: ddrio-pwroff { + rockchip,pins = <0 1 RK_FUNC_1 &pcfg_pull_none>; + }; + + ddr0_retention: ddr0-retention { + rockchip,pins = <0 2 RK_FUNC_1 &pcfg_pull_up>; + }; + + ddr1_retention: ddr1-retention { + rockchip,pins = <0 3 RK_FUNC_1 &pcfg_pull_up>; + }; + }; + i2c0 { i2c0_xfer: i2c0-xfer { rockchip,pins = <0 15 RK_FUNC_1 &pcfg_pull_none>, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/