diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2017-06-26 14:15:02 -0700 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2017-07-12 09:44:22 +0200 |
| commit | 022b7fb5159b0fae15ee15616df02941e4d05c86 (patch) | |
| tree | ad818d72bfc92940d9bb21a6263af841f90947b9 /Documentation | |
| parent | 61366b71a8950aae48ce9e00295a16cf65ac4f02 (diff) | |
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 <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.txt | 22 |
1 files changed, 22 insertions, 0 deletions
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>; +}; |