diff options
Diffstat (limited to 'Documentation/devicetree/bindings/rtc')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt | 23 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/rtc-omap.txt | 9 |
2 files changed, 31 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt new file mode 100644 index 000000000000..6ae79d1843f3 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt @@ -0,0 +1,23 @@ +Atmel AT91SAM9260 Real Time Timer + +Required properties: +- compatible: should be: "atmel,at91sam9260-rtt" +- reg: should encode the memory region of the RTT controller +- interrupts: rtt alarm/event interrupt +- clocks: should contain the 32 KHz slow clk that will drive the RTT block. +- atmel,rtt-rtc-time-reg: should encode the GPBR register used to store + the time base when the RTT is used as an RTC. + The first cell should point to the GPBR node and the second one + encode the offset within the GPBR block (or in other words, the + GPBR register used to store the time base). + + +Example: + +rtt@fffffd20 { + compatible = "atmel,at91sam9260-rtt"; + reg = <0xfffffd20 0x10>; + interrupts = <1 4 7>; + clocks = <&clk32k>; + atmel,rtt-rtc-time-reg = <&gpbr 0x0>; +}; diff --git a/Documentation/devicetree/bindings/rtc/rtc-omap.txt b/Documentation/devicetree/bindings/rtc/rtc-omap.txt index 5a0f02d34d95..4ba4dbd34289 100644 --- a/Documentation/devicetree/bindings/rtc/rtc-omap.txt +++ b/Documentation/devicetree/bindings/rtc/rtc-omap.txt @@ -5,11 +5,17 @@ Required properties: - "ti,da830-rtc" - for RTC IP used similar to that on DA8xx SoC family. - "ti,am3352-rtc" - for RTC IP used similar to that on AM335x SoC family. This RTC IP has special WAKE-EN Register to enable - Wakeup generation for event Alarm. + Wakeup generation for event Alarm. It can also be + used to control an external PMIC via the + pmic_power_en pin. - reg: Address range of rtc register set - interrupts: rtc timer, alarm interrupts in order - interrupt-parent: phandle for the interrupt controller +Optional properties: +- system-power-controller: whether the rtc is controlling the system power + through pmic_power_en + Example: rtc@1c23000 { @@ -18,4 +24,5 @@ rtc@1c23000 { interrupts = <19 19>; interrupt-parent = <&intc>; + system-power-controller; }; |