From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenyou Yang Subject: [PATCH v3 4/4] Documentation: atmel-pmc: add DT bindings for fast startup Date: Mon, 15 Feb 2016 11:40:30 +0800 Message-ID: <1455507630-29592-5-git-send-email-wenyou.yang@atmel.com> References: <1455507630-29592-1-git-send-email-wenyou.yang@atmel.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1455507630-29592-1-git-send-email-wenyou.yang@atmel.com> Sender: linux-clk-owner@vger.kernel.org To: Nicolas Ferre , Alexandre Belloni , Jean-Christophe Plagniol-Villard , Russell King Cc: linux-clk@vger.kernel.org, Rob Herring , Pawel Moll , Mark Brown , Ian Campbell , Kumar Gala , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Wenyou Yang List-Id: devicetree@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 Document: binding --- Changes in v3: - update the property description. Changes in v2: - change the property name and property description. .../devicetree/bindings/arm/atmel-pmc.txt | 63 ++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt b/Documentation/devicetree/bindings/arm/atmel-pmc.txt index 795cc78..0d2481c 100644 --- a/Documentation/devicetree/bindings/arm/atmel-pmc.txt +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt @@ -12,3 +12,66 @@ 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,wkup-trigger: boolean, WKUP input can trigger a fast restart signal. +- atmel,secumod-trigger: boolean, SECUMOD can trigger a fast restart signal. +- atmel,piobu0-trigger: boolean, PIOBU0 input can trigger a fast restart signal. +- atmel,piobu1-trigger: boolean, PIOBU1 input can trigger a fast restart signal. +- atmel,piobu2-trigger: boolean, PIOBU2 input can trigger a fast restart signal. +- atmel,piobu3-trigger: boolean, PIOBU3 input can trigger a fast restart signal. +- atmel,piobu4-trigger: boolean, PIOBU4 input can trigger a fast restart signal. +- atmel,piobu5-trigger: boolean, PIOBU5 input can trigger a fast restart signal. +- atmel,piobu6-trigger: boolean, PIOBU6 input can trigger a fast restart signal. +- atmel,piobu7-trigger: boolean, PIOBU7 input can trigger a fast restart signal. +- atmel,gmac-wol-trigger: boolean, GMAC_WOL can trigger a fast restart signal. +- atmel,rtc-alarm-trigger: boolean, RTC alarm can trigger a fast restart signal. +- atmel,usb-resume-trigger: boolean, USB resume can trigger a fast restart + signal. +- atmel,sdmmc-cd-trigger: boolean, SDMMC card detect can trigger a fast + restart signal. +- atmel,rxlp-match-trigger: boolean, Matching condition on RXLP can trigger + a fast restart signal. +- atmel,acc-comparison-trigger: boolean, ACC comparison can trigger a fast + restart signal. + +- atmel,wkup-trigger-level: int, defines the active polarity of the wake-up + input. Supported values are: 1 or 0. +- atmel,piobu0-trigger-level: int, defines the active polarity of + the corresponding PIOBU0 input. Supported values are: 1 or 0. +- atmel,piobu1-trigger-level: int, defines the active polarity of + the corresponding PIOBU1 input. Supported values are: 1 or 0. +- atmel,piobu2-trigger-level: int, defines the active polarity of + the corresponding PIOBU2 input. Supported values are: 1 or 0". +- atmel,piobu3-trigger-level: int, defines the active polarity of + the corresponding PIOBU3 input. Supported values are: 1 or 0. +- atmel,piobu4-trigger-level: int, defines the active polarity of + the corresponding PIOBU4 input. Supported values are: 1 or 0. +- atmel,piobu5-trigger-level: int, defines the active polarity of + the corresponding PIOBU5 input. Supported values are: 1 or 0. +- atmel,piobu6-trigger-level: int, defines the active polarity of + the corresponding PIOBU6 input. Supported values are: 1 or 0. +- atmel,piobu7-trigger-level: int, defines the active polarity of + the corresponding PIOBU7 input. Supported values are: 1 or 0. + +Example: + + pmc: pmc@f0014000 { + compatible = "atmel,sama5d2-pmc"; + reg = <0xf0014000 0x160>; + + pmc_fast_restart { + compatible = "atmel,sama5d2-pmc-fast-startup"; + atmel,wkup-trigger; + atmel,rtc-alarm-trigger; + atmel,wkup-trigger-level = <0>; + }; + }; -- 1.7.9.5