diff options
Diffstat (limited to 'dts/Bindings/pinctrl/st,stm32-pinctrl.txt')
| -rw-r--r-- | dts/Bindings/pinctrl/st,stm32-pinctrl.txt | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/dts/Bindings/pinctrl/st,stm32-pinctrl.txt b/dts/Bindings/pinctrl/st,stm32-pinctrl.txt index 9a06e1fdbc..ef4f2ff4a1 100644 --- a/dts/Bindings/pinctrl/st,stm32-pinctrl.txt +++ b/dts/Bindings/pinctrl/st,stm32-pinctrl.txt @@ -37,11 +37,10 @@ Required properties: Optional properties: - reset: : Reference to the reset controller - - interrupt-parent: phandle of the interrupt parent to which the external - GPIO interrupts are forwarded to. - - st,syscfg: Should be phandle/offset pair. The phandle to the syscon node - which includes IRQ mux selection register, and the offset of the IRQ mux - selection register. + - st,syscfg: Should be phandle/offset/mask. + -The phandle to the syscon node which includes IRQ mux selection register. + -The offset of the IRQ mux selection register + -The field mask of IRQ mux, needed if different of 0xf. - gpio-ranges: Define a dedicated mapping between a pin-controller and a gpio controller. Format is <&phandle a b c> with: -(phandle): phandle of pin-controller. @@ -55,6 +54,8 @@ Optional properties: NOTE: If "gpio-ranges" is used for a gpio controller, all gpio-controller have to use a "gpio-ranges" entry. More details in Documentation/devicetree/bindings/gpio/gpio.txt. + - st,bank-ioport: should correspond to the EXTI IOport selection (EXTI line + used to select GPIOs as interrupts). Example 1: #include <dt-bindings/pinctrl/stm32f429-pinfunc.h> |