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-rw-r--r--dts/Bindings/pinctrl/samsung-pinctrl.txt17
1 files changed, 9 insertions, 8 deletions
diff --git a/dts/Bindings/pinctrl/samsung-pinctrl.txt b/dts/Bindings/pinctrl/samsung-pinctrl.txt
index 5e00a21..70659c9 100644
--- a/dts/Bindings/pinctrl/samsung-pinctrl.txt
+++ b/dts/Bindings/pinctrl/samsung-pinctrl.txt
@@ -124,8 +124,6 @@ used as system wakeup events.
A. External GPIO Interrupts: For supporting external gpio interrupts, the
following properties should be specified in the pin-controller device node.
- - interrupt-parent: phandle of the interrupt parent to which the external
- GPIO interrupts are forwarded to.
- interrupts: interrupt specifier for the controller. The format and value of
the interrupt specifier depends on the interrupt parent for the controller.
@@ -145,8 +143,13 @@ A. External GPIO Interrupts: For supporting external gpio interrupts, the
B. External Wakeup Interrupts: For supporting external wakeup interrupts, a
child node representing the external wakeup interrupt controller should be
- included in the pin-controller device node. This child node should include
- the following properties.
+ included in the pin-controller device node.
+
+ Only one pin-controller device node can include external wakeup interrupts
+ child node (in other words, only one External Wakeup Interrupts
+ pin-controller is supported).
+
+ This child node should include following properties:
- compatible: identifies the type of the external wakeup interrupt controller
The possible values are:
@@ -156,12 +159,12 @@ B. External Wakeup Interrupts: For supporting external wakeup interrupts, a
found on Samsung S3C2412 and S3C2413 SoCs,
- samsung,s3c64xx-wakeup-eint: represents wakeup interrupt controller
found on Samsung S3C64xx SoCs,
+ - samsung,s5pv210-wakeup-eint: represents wakeup interrupt controller
+ found on Samsung S5Pv210 SoCs,
- samsung,exynos4210-wakeup-eint: represents wakeup interrupt controller
found on Samsung Exynos4210 and S5PC110/S5PV210 SoCs.
- samsung,exynos7-wakeup-eint: represents wakeup interrupt controller
found on Samsung Exynos7 SoC.
- - interrupt-parent: phandle of the interrupt parent to which the external
- wakeup interrupts are forwarded to.
- interrupts: interrupt used by multiplexed wakeup interrupts.
In addition, following properties must be present in node of every bank
@@ -181,8 +184,6 @@ B. External Wakeup Interrupts: For supporting external wakeup interrupts, a
Node of every bank of pins supporting direct wake-up interrupts (without
multiplexing) must contain following properties:
- - interrupt-parent: phandle of the interrupt parent to which the external
- wakeup interrupts are forwarded to.
- interrupts: interrupts of the interrupt parent which are used for external
wakeup interrupts from pins of the bank, must contain interrupts for all
pins of the bank.