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Subject[PATCH v4 06/10] dt-bindings: sdm845-pinctrl: add wakeup interrupt parent for GPIO
SDM845 SoC has an always-on interrupt controller (PDC) with select GPIO
routed to the PDC as interrupts that can be used to wake the system up
from deep low power modes and suspend.

Signed-off-by: Lina Iyer <>
.../devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.txt | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.txt
index 665aadb5ea28..f0fedbc5d41a 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.txt
@@ -29,6 +29,11 @@ SDM845 platform.
Definition: must be 2. Specifying the pin number and flags, as defined
in <dt-bindings/interrupt-controller/irq.h>

+- wakeup-parent:
+ Usage: optional
+ Value type: <phandle>
+ Definition: A phandle to the wakeup interrupt controller for the SoC.
- gpio-controller:
Usage: required
Value type: <none>
@@ -53,7 +58,6 @@ pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
parameters, such as pull-up, drive strength, etc.


The name of each subnode is not important; all subnodes should be enumerated
@@ -160,6 +164,7 @@ Example:
#gpio-cells = <2>;
#interrupt-cells = <2>;
+ wake-parent = <&pdc_intc>;

qup9_active: qup9-active {
mux {
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a Linux Foundation Collaborative Project
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