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authorDoug Berger <opendmb@gmail.com>2023-01-24 23:14:29 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2023-01-25 20:54:55 +0300
commit6cc7a8262b57db0a2ff6c141bb163c1395b7c4ef (patch)
treeea2632dd55919e0ae3a830a5866ae7c42dc2c5e9 /Documentation/devicetree/bindings/rtc
parent344f4030f6c50a9db2d03021884c4bf36191b53a (diff)
downloadlinux-6cc7a8262b57db0a2ff6c141bb163c1395b7c4ef.tar.xz
dt-bindings: rtc: brcm,brcmstb-waketimer: add alarm interrupt
A second interrupt can optionally be specified for this device to be used for generating RTC alarm interrupts. Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230124201430.2502371-2-opendmb@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'Documentation/devicetree/bindings/rtc')
-rw-r--r--Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml21
1 files changed, 14 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
index 9fe079917a98..c6c57636c729 100644
--- a/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
+++ b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
@@ -11,7 +11,8 @@ maintainers:
description:
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.
+ ability to wake up the system from low-power suspend/standby modes and
+ optionally generate RTC alarm interrupts.
allOf:
- $ref: "rtc.yaml#"
@@ -24,8 +25,14 @@ properties:
maxItems: 1
interrupts:
- description: the TIMER interrupt
- maxItems: 1
+ minItems: 1
+ items:
+ - description: the TIMER interrupt
+ - description: the ALARM interrupt
+ description:
+ The TIMER interrupt wakes the system from low-power suspend/standby modes.
+ An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm
+ is enabled.
clocks:
description: clock reference in the 27MHz domain
@@ -35,10 +42,10 @@ additionalProperties: false
examples:
- |
- rtc@f0411580 {
+ rtc@f041a080 {
compatible = "brcm,brcmstb-waketimer";
- reg = <0xf0411580 0x14>;
- interrupts = <0x3>;
- interrupt-parent = <&aon_pm_l2_intc>;
+ reg = <0xf041a080 0x14>;
+ interrupts-extended = <&aon_pm_l2_intc 0x04>,
+ <&upg_aux_aon_intr2_intc 0x08>;
clocks = <&upg_fixed>;
};