diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt | 16 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-mxs.txt | 5 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-nmk.txt | 2 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-samsung.txt | 9 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/led.txt | 2 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/nvidia,tegra20-gpio.txt (renamed from Documentation/devicetree/bindings/gpio/gpio_nvidia.txt) | 0 |
6 files changed, 23 insertions, 11 deletions
diff --git a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt index 4363ae4..dbd22e0 100644 --- a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt +++ b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt @@ -8,15 +8,25 @@ Required properties: by low 16 pins and the second one is for high 16 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). + the second cell is used to specify the gpio polarity: + 0 = active high + 1 = active low +- 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. Example: gpio0: gpio@73f84000 { - compatible = "fsl,imx51-gpio", "fsl,imx31-gpio"; + compatible = "fsl,imx51-gpio", "fsl,imx35-gpio"; reg = <0x73f84000 0x4000>; interrupts = <50 51>; gpio-controller; #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-mxs.txt b/Documentation/devicetree/bindings/gpio/gpio-mxs.txt index 0c35673..1e677a4 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-mxs.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-mxs.txt @@ -13,8 +13,9 @@ Required properties for GPIO node: - 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). + the second cell is used to specify the gpio polarity: + 0 = active high + 1 = active low - 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: diff --git a/Documentation/devicetree/bindings/gpio/gpio-nmk.txt b/Documentation/devicetree/bindings/gpio/gpio-nmk.txt index ee87467..8315ac7 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-nmk.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-nmk.txt @@ -26,6 +26,6 @@ Example: #gpio-cells = <2>; gpio-controller; interrupt-controller; - supports-sleepmode; + st,supports-sleepmode; gpio-bank = <1>; }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-samsung.txt b/Documentation/devicetree/bindings/gpio/gpio-samsung.txt index 8f50fe5..5375625 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-samsung.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-samsung.txt @@ -11,14 +11,15 @@ Required properties: <[phandle of the gpio controller node] [pin number within the gpio controller] [mux function] - [pull up/down] + [flags and pull up/down] [drive strength]> Values for gpio specifier: - Pin number: is a value between 0 to 7. - - Pull Up/Down: 0 - Pull Up/Down Disabled. - 1 - Pull Down Enabled. - 3 - Pull Up Enabled. + - Flags and Pull Up/Down: 0 - Pull Up/Down Disabled. + 1 - Pull Down Enabled. + 3 - Pull Up Enabled. + Bit 16 (0x00010000) - Input is active low. - Drive Strength: 0 - 1x, 1 - 3x, 2 - 2x, diff --git a/Documentation/devicetree/bindings/gpio/led.txt b/Documentation/devicetree/bindings/gpio/led.txt index fd2bd56..9bb308a 100644 --- a/Documentation/devicetree/bindings/gpio/led.txt +++ b/Documentation/devicetree/bindings/gpio/led.txt @@ -55,4 +55,4 @@ run-control { gpios = <&mpc8572 7 0>; default-state = "on"; }; -} +}; diff --git a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt b/Documentation/devicetree/bindings/gpio/nvidia,tegra20-gpio.txt index 023c952..023c952 100644 --- a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt +++ b/Documentation/devicetree/bindings/gpio/nvidia,tegra20-gpio.txt |
