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dt-bindings: pinctrl: add syscfg mask parameter

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This patch adds mask parameter to define IRQ mux field.
This field could vary depend of IRQ mux selection register.
This parameter is needed if the mask is different of 0xf.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Ludovic Barre 2018-07-17 11:56:26 +02:00 committed by Linus Walleij
parent 17cf082d6d
commit de1d08b229
1 changed files with 4 additions and 3 deletions
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7
Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
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@ -39,9 +39,10 @@ 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.