From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752067AbaJOUui (ORCPT ); Wed, 15 Oct 2014 16:50:38 -0400 Received: from va-smtp01.263.net ([54.88.144.211]:42797 "EHLO va-smtp01.263.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750776AbaJOUuh (ORCPT ); Wed, 15 Oct 2014 16:50:37 -0400 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: <38f8ea153b576eca0bfe37c892ed30e1> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 1 From: zyw@rock-chips.com To: Heiko Stuebner Cc: Mike Turquette , Ian Campbell , dianders@chromium.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kumar Gala , Russell King , linux-rockchip@lists.infradead.org, Rob Herring , Pawel Moll , Chris Zhong , Mark Rutland , linux-arm-kernel@lists.infradead.org, Tony Xie Subject: [PATCH 4/4] ARM: rockchip: add pmu-sram sub Date: Wed, 15 Oct 2014 13:50:25 -0700 Message-Id: <1413406225-16366-1-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1413405987-16196-1-git-send-email-zyw@rock-chips.com> References: <1413405987-16196-1-git-send-email-zyw@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chris Zhong The pmu-sram is used to store resume code, suspend/resume need get the address of it. Therefore add a node and documentation for it. Signed-off-by: Tony Xie Signed-off-by: Chris Zhong --- .../devicetree/bindings/arm/rockchip/pmu-sram.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt diff --git a/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt b/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt new file mode 100644 index 0000000..7a134cc --- /dev/null +++ b/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt @@ -0,0 +1,15 @@ +Rockchip SRAM for pmu: +------------------------------ + +The sram of pmu is used to store the function of resume from maskrom(the 1st +level loader). + +Required node properties: +- compatible : should be "rockchip,rk3288-pmu-sram" +- reg : physical base address and the size of the registers window + +Example: + pmu_intmem@ff720000 { + compatible = "mmio-sram", "rockchip,rk3288-pmu-sram"; + reg = <0xff720000 0x4000>; + }; -- 1.7.9.5