Some interrupt controllers in a SoC, are always powered on and have a
select interrupts routed to them, so that they can wakeup the SoC from
suspend. Add wakeup-parent DT property to refer to these interrupt
controllers.
Cc: [email protected]
Signed-off-by: Lina Iyer <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
---
Changes in v1:
- Remove whitespace at end of patch
---
.../devicetree/bindings/interrupt-controller/interrupts.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
index 4a3ee25..4ebfa00 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
@@ -108,3 +108,15 @@ commonly used:
sensitivity = <7>;
};
};
+
+3) Interrupt wakeup parent
+--------------------------
+
+Some interrupt controllers in a SoC, are always powered on and have a select
+interrupts routed to them, so that they can wakeup the SoC from suspend. These
+interrupt controllers do not fall into the category of a parent interrupt
+controller and can be specified by the "wakeup-parent" property and contain a
+single phandle referring to the wakeup capable interrupt controller.
+
+ Example:
+ wakeup-parent = <&pdc_intc>;
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
The following commit has been merged into the irq/core branch of tip:
Commit-ID: 09d31567f85b6cd0eddf28d90f7b83be09ee282b
Gitweb: https://git.kernel.org/tip/09d31567f85b6cd0eddf28d90f7b83be09ee282b
Author: Lina Iyer <[email protected]>
AuthorDate: Fri, 15 Nov 2019 15:11:48 -07:00
Committer: Marc Zyngier <[email protected]>
CommitterDate: Sat, 16 Nov 2019 10:20:02
of/irq: Document properties for wakeup interrupt parent
Some interrupt controllers in a SoC, are always powered on and have a
select interrupts routed to them, so that they can wakeup the SoC from
suspend. Add wakeup-parent DT property to refer to these interrupt
controllers.
Signed-off-by: Lina Iyer <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
---
Documentation/devicetree/bindings/interrupt-controller/interrupts.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
index 4a3ee25..4ebfa00 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
@@ -108,3 +108,15 @@ commonly used:
sensitivity = <7>;
};
};
+
+3) Interrupt wakeup parent
+--------------------------
+
+Some interrupt controllers in a SoC, are always powered on and have a select
+interrupts routed to them, so that they can wakeup the SoC from suspend. These
+interrupt controllers do not fall into the category of a parent interrupt
+controller and can be specified by the "wakeup-parent" property and contain a
+single phandle referring to the wakeup capable interrupt controller.
+
+ Example:
+ wakeup-parent = <&pdc_intc>;