diff options
| author | Pramod Kumar <pramodku@broadcom.com> | 2015-11-19 06:52:13 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-11-30 11:33:33 +0300 |
| commit | 2652df631cbe9bd4bb0f3c9dcc284e0f099dbbf1 (patch) | |
| tree | 06e60671e717264153e974da1fc94fecdaec3f11 /Documentation | |
| parent | b04a23b05609b35365127ad8906c55866eb47fe7 (diff) | |
| download | linux-2652df631cbe9bd4bb0f3c9dcc284e0f099dbbf1.tar.xz | |
dt-binding: Add ngpios property to GPIO controller node
Add ngpios property to the gpio controller's DT node so that controller
driver extracts total number of in-use gpio lines from DT and removes
dependency on driver.
Signed-off-by: Pramod Kumar <pramodku@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt index 16589fb6f420..8b1e5d1e8a03 100644 --- a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt +++ b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt @@ -10,6 +10,9 @@ Required properties: Define the base and range of the I/O address space that contains the Cygnus GPIO/PINCONF controller registers +- ngpios: + Total number of in-use slots in GPIO controller + - #gpio-cells: Must be two. The first cell is the GPIO pin number (within the controller's pin space) and the second cell is used for the following: @@ -57,6 +60,7 @@ Example: compatible = "brcm,cygnus-ccm-gpio"; reg = <0x1800a000 0x50>, <0x0301d164 0x20>; + ngpios = <24>; #gpio-cells = <2>; gpio-controller; interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; @@ -78,6 +82,7 @@ Example: gpio_asiu: gpio@180a5000 { compatible = "brcm,cygnus-asiu-gpio"; reg = <0x180a5000 0x668>; + ngpios = <146>; #gpio-cells = <2>; gpio-controller; interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>; |