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 <wenyou.yang@xxxxxxxxx> --- .../devicetree/bindings/arm/atmel-pmc.txt | 74 ++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt b/Documentation/devicetree/bindings/arm/atmel-pmc.txt index 795cc78..8d45ff9f 100644 --- a/Documentation/devicetree/bindings/arm/atmel-pmc.txt +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt @@ -12,3 +12,77 @@ 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,fast-startup-wake-up: boolean to enable the WKUP pin to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-secumod: boolean to enable the Security Mode to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu0: boolean to enable the PIOBU0 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu1: boolean to enable the PIOBU1 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu2: boolean to enable the PIOBU2 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu3: boolean to enable the PIOBU3 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu4: boolean to enable the PIOBU4 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu5: boolean to enable the PIOBU5 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu6: boolean to enable the PIOBU6 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu7: boolean to enable the PIOBU7 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-gmac-wol: boolean to enable the GMAC Wake-up On LAN + to trigger a fast restart signal to the PMC. +- atmel,fast-startup-rtc-alarm: boolean to enable the RTC Alarm to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-usb-resume: boolean to enable the USB Resume to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-sdmmc-cd: boolean to enable the SDMMC Card Detect + to trigger a fast restart signal to the PMC. +- atmel,fast-startup-rxlp-match: boolean to enable the Backuo UART Receive + Match Condition to trigger a fast restart signal to the PMC. +- atmel,fast-startup-acc-comparison: boolean to enable the Analog Comparator + Controller (ACC) Comparison to to trigger a fast restart signal to the PMC. + +- atmel,fast-startup-wkup-pin-high: boolean to indicate if the WKUP Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu0-high: boolean to indicate if the PIOBU0 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu1-high: boolean to indicate if the PIOBU1 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu2-high: boolean to indicate if the PIOBU2 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu3-high: boolean to indicate if the PIOBU3 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu4-high: boolean to indicate if the PIOBU4 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu5-high: boolean to indicate if the PIOBU5 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu6-high: boolean to indicate if the PIOBU6 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu7-high: boolean to indicate if the PIOBU7 Pin is + in the high level to trigger fast restart signal, otherwise low level. + +Example: + + pmc: pmc@f0014000 { + compatible = "atmel,sama5d2-pmc"; + reg = <0xf0014000 0x160>; + + pmc_fast_restart { + compatible = "atmel,sama5d2-pmc-fast-startup"; + atmel,fast-startup-wake-up; + atmel,fast-startup-rtc-alarm; + }; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html