diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt index 5e00a21de2bf..70659c917bdc 100644 --- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt +++ b/Documentation/devicetree/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. |