From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752375AbcHHKTd (ORCPT ); Mon, 8 Aug 2016 06:19:33 -0400 Received: from nasmtp01.atmel.com ([192.199.1.245]:28022 "EHLO ussmtp01.atmel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752044AbcHHKTb (ORCPT ); Mon, 8 Aug 2016 06:19:31 -0400 From: Wenyou Yang To: Nicolas Ferre , Alexandre Belloni , Russell King CC: , , , , "Rob Herring" , Pawel Moll , Mark Brown , Ian Campbell , "Kumar Gala" , Wenyou Yang Subject: [PATCH v6 5/6] Documentation: atmel-pmc: Add DT bindings for fast startup Date: Mon, 8 Aug 2016 18:05:04 +0800 Message-ID: <1470650705-31418-6-git-send-email-wenyou.yang@atmel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1470650705-31418-1-git-send-email-wenyou.yang@atmel.com> References: <1470650705-31418-1-git-send-email-wenyou.yang@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add DT bindings to configurate the PMC_FSMR and PMC_FSPR registers to trigger a fast restart signal to PMC. Signed-off-by: Wenyou Yang Acked-by: Rob Herring --- Changes in v6: None Changes in v5: - due to the DT property expression change, update the binding document. Changes in v4: - add Acked-by tag. Changes in v3: - update the property description. Changes in v2: - change the property name and property description. .../devicetree/bindings/arm/atmel-pmc.txt | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt b/Documentation/devicetree/bindings/arm/atmel-pmc.txt index 795cc78..76fdc66 100644 --- a/Documentation/devicetree/bindings/arm/atmel-pmc.txt +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt @@ -12,3 +12,55 @@ Examples: compatible = "atmel,at91rm9200-pmc"; reg = <0xfffffc00 0x100>; }; + +PMC Fast Startup Signals + +The PMC Fast Start Signals are used as the wake up source to trigger the PMC +to wake up the system from the ULP1 mode. + +required properties: +- compatible: should be "atmel,sama5d2-pmc-fast-startup". + +optional properties: +- atmel,wakeup-rtc-timer: boolean to enable RTC alarm wake-up. +- atmel,wakeup-usb-resume: boolean to enable USB resume wake-up. +- atmel,wakeup-sdmmc-cd: boolean to enable SDMMC card detect wake-up. +- atmel,wakeup-rxlp-match: boolean to enable RXLP matching condition wake-up. +- atmel,wakeup-acc-comparison: boolean to enable ACC comparison wake-up. + +The node contains child nodes for each wake-up input pin that the platform uses. + +Input nodes + +Required properties: +- reg: should contain the wake-up input index [0 - 10], to enable + the corresponding wake-up input. + +Optional properties: +- atmel,wakeup-active-high: boolean to declare the corresponding wake-up + input described by the child be active high. + The default is to be active low. + +Example: + + pmc: pmc@f0014000 { + compatible = "atmel,sama5d2-pmc"; + reg = <0xf0014000 0x160>; + + pmc_fast_restart { + compatible = "atmel,sama5d2-pmc-fast-startup"; + #address-cells = <1>; + #size-cells = <0>; + + atmel,wakeup-rtc-timer; + + wkpin: input@0 { + reg = <0>; + }; + + gmac_wol: input@10 { + reg = <10>; + atmel,wakeup-active-high; + }; + }; + }; -- 2.7.4