From 022b7fb5159b0fae15ee15616df02941e4d05c86 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 26 Jun 2017 14:15:02 -0700 Subject: dt-bindings: Document the Broadcom STB wake-up timer node Document the binding for the Broadcom STB SoCs wake-up timer node allowing the system to generate alarms and exit low power states. Acked-by: Rob Herring Signed-off-by: Florian Fainelli --- .../bindings/rtc/brcm,brcmstb-waketimer.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.txt b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.txt new file mode 100644 index 0000000000..1d990bcc0b --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.txt @@ -0,0 +1,22 @@ +Broadcom STB wake-up Timer + +The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the +ability to wake up the system from low-power suspend/standby modes. + +Required properties: +- compatible : should contain "brcm,brcmstb-waketimer" +- reg : the register start and length for the WKTMR block +- interrupts : The TIMER interrupt +- interrupt-parent: The phandle to the Always-On (AON) Power Management (PM) L2 + interrupt controller node +- clocks : The phandle to the UPG fixed clock (27Mhz domain) + +Example: + +waketimer@f0411580 { + compatible = "brcm,brcmstb-waketimer"; + reg = <0xf0411580 0x14>; + interrupts = <0x3>; + interrupt-parent = <&aon_pm_l2_intc>; + clocks = <&upg_fixed>; +}; -- cgit