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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-mxs.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-mxs.txt | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mxs.txt b/Documentation/devicetree/bindings/gpio/gpio-mxs.txt deleted file mode 100644 index 0c35673f7a3..00000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-mxs.txt +++ /dev/null @@ -1,87 +0,0 @@ -* Freescale MXS GPIO controller - -The Freescale MXS GPIO controller is part of MXS PIN controller. The -GPIOs are organized in port/bank. Each port consists of 32 GPIOs. - -As the GPIO controller is embedded in the PIN controller and all the -GPIO ports share the same IO space with PIN controller, the GPIO node -will be represented as sub-nodes of MXS pinctrl node. - -Required properties for GPIO node: -- compatible : Should be "fsl,<soc>-gpio". The supported SoCs include - imx23 and imx28. -- interrupts : Should be the port interrupt shared by all 32 pins. -- gpio-controller : Marks the device node as a gpio controller. -- #gpio-cells : Should be two. The first cell is the pin number and - the second cell is used to specify optional parameters (currently - unused). -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells : Should be 2. The first cell is the GPIO number. - The second cell bits[3:0] is used to specify trigger type and level flags: - 1 = low-to-high edge triggered. - 2 = high-to-low edge triggered. - 4 = active high level-sensitive. - 8 = active low level-sensitive. - -Note: Each GPIO port should have an alias correctly numbered in "aliases" -node. - -Examples: - -aliases { - gpio0 = &gpio0; - gpio1 = &gpio1; - gpio2 = &gpio2; - gpio3 = &gpio3; - gpio4 = &gpio4; -}; - -pinctrl@80018000 { - compatible = "fsl,imx28-pinctrl", "simple-bus"; - reg = <0x80018000 2000>; - - gpio0: gpio@0 { - compatible = "fsl,imx28-gpio"; - interrupts = <127>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio1: gpio@1 { - compatible = "fsl,imx28-gpio"; - interrupts = <126>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio2: gpio@2 { - compatible = "fsl,imx28-gpio"; - interrupts = <125>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio3: gpio@3 { - compatible = "fsl,imx28-gpio"; - interrupts = <124>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio4: gpio@4 { - compatible = "fsl,imx28-gpio"; - interrupts = <123>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; -}; |