diff options
Diffstat (limited to 'Documentation/devicetree/bindings/rtc')
4 files changed, 51 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/rtc/dallas,ds1390.txt b/Documentation/devicetree/bindings/rtc/dallas,ds1390.txt new file mode 100644 index 000000000..8e76f2648 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/dallas,ds1390.txt @@ -0,0 +1,18 @@ +* Dallas DS1390 SPI Serial Real-Time Clock + +Required properties: +- compatible: Should contain "dallas,ds1390". +- reg: SPI address for chip + +Optional properties: +- trickle-resistor-ohms : Selected resistor for trickle charger + Values usable for ds1390 are 250, 2000, 4000 + Should be given if trickle charger should be enabled +- trickle-diode-disable : Do not use internal trickle charger diode + Should be given if internal trickle charger diode should be disabled +Example: + ds1390: rtc@68 { + compatible = "dallas,ds1390"; + trickle-resistor-ohms = <250>; + reg = <0>; + }; diff --git a/Documentation/devicetree/bindings/rtc/isil,isl12057.txt b/Documentation/devicetree/bindings/rtc/isil,isl12057.txt index 501c39cea..cf83e0940 100644 --- a/Documentation/devicetree/bindings/rtc/isil,isl12057.txt +++ b/Documentation/devicetree/bindings/rtc/isil,isl12057.txt @@ -5,7 +5,7 @@ consisting of a compatible field, an address and possibly an interrupt line). Nonetheless, it also supports an option boolean property -("isil,irq2-can-wakeup-machine") to handle the specific use-case found +("wakeup-source") to handle the specific use-case found on at least three in-tree users of the chip (NETGEAR ReadyNAS 102, 104 and 2120 ARM-based NAS); On those devices, the IRQ#2 pin of the chip (associated with the alarm supported by the driver) is not connected @@ -22,9 +22,9 @@ Required properties supported by the device: Optional properties: - - "isil,irq2-can-wakeup-machine": mark the chip as a wakeup source, - independently of the availability of an IRQ line connected to the - SoC. + - "wakeup-source": mark the chip as a wakeup source, independently of + the availability of an IRQ line connected to the SoC. + (Legacy property supported: "isil,irq2-can-wakeup-machine") - "interrupt-parent", "interrupts": for passing the interrupt line of the SoC connected to IRQ#2 of the RTC chip. @@ -74,5 +74,5 @@ PMIC, allowing the device to be started based on configured alarm: isl12057: isl12057@68 { compatible = "isil,isl12057"; reg = <0x68>; - isil,irq2-can-wakeup-machine; + wakeup-source; }; diff --git a/Documentation/devicetree/bindings/rtc/pcf8563.txt b/Documentation/devicetree/bindings/rtc/pcf8563.txt new file mode 100644 index 000000000..72f6d2c96 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/pcf8563.txt @@ -0,0 +1,25 @@ +* Philips PCF8563/Epson RTC8564 Real Time Clock + +Philips PCF8563/Epson RTC8564 Real Time Clock + +Required properties: +see: Documentation/devicetree/bindings/i2c/trivial-devices.txt + +Optional property: +- #clock-cells: Should be 0. +- clock-output-names: + overwrite the default clock name "pcf8563-clkout" + +Example: + +pcf8563: pcf8563@51 { + compatible = "nxp,pcf8563"; + reg = <0x51>; + #clock-cells = <0>; +}; + +device { +... + clocks = <&pcf8563>; +... +}; diff --git a/Documentation/devicetree/bindings/rtc/rtc-opal.txt b/Documentation/devicetree/bindings/rtc/rtc-opal.txt index af87e5eca..a1734e5cb 100644 --- a/Documentation/devicetree/bindings/rtc/rtc-opal.txt +++ b/Documentation/devicetree/bindings/rtc/rtc-opal.txt @@ -5,12 +5,13 @@ Required properties: - comapatible: Should be "ibm,opal-rtc" Optional properties: -- has-tpo: Decides if the wakeup is supported or not. +- wakeup-source: Decides if the wakeup is supported or not + (Legacy property supported: "has-tpo") Example: rtc { compatible = "ibm,opal-rtc"; - has-tpo; + wakeup-source; phandle = <0x10000029>; linux,phandle = <0x10000029>; }; |