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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-tz1090.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-tz1090.txt | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-tz1090.txt b/Documentation/devicetree/bindings/gpio/gpio-tz1090.txt deleted file mode 100644 index b05a90e0ab29..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-tz1090.txt +++ /dev/null @@ -1,88 +0,0 @@ -ImgTec TZ1090 GPIO Controller - -Required properties: -- compatible: Compatible property value should be "img,tz1090-gpio". - -- reg: Physical base address of the controller and length of memory mapped - region. - -- #address-cells: Should be 1 (for bank subnodes) - -- #size-cells: Should be 0 (for bank subnodes) - -- Each bank of GPIOs should have a subnode to represent it. - - Bank subnode required properties: - - reg: Index of bank in the range 0 to 2. - - - gpio-controller: Specifies that the node is a gpio controller. - - - #gpio-cells: Should be 2. The syntax of the gpio specifier used by client - nodes should have the following values. - <[phandle of the gpio controller node] - [gpio number within the gpio bank] - [gpio flags]> - - Values for gpio specifier: - - GPIO number: a value in the range 0 to 29. - - GPIO flags: bit field of flags, as defined in <dt-bindings/gpio/gpio.h>. - Only the following flags are supported: - GPIO_ACTIVE_HIGH - GPIO_ACTIVE_LOW - - Bank subnode optional properties: - - gpio-ranges: Mapping to pin controller pins (as described in - Documentation/devicetree/bindings/gpio/gpio.txt) - - - interrupts: Interrupt for the entire bank - - - interrupt-controller: Specifies that the node is an interrupt controller - - - #interrupt-cells: Should be 2. The syntax of the interrupt specifier used by - client nodes should have the following values. - <[phandle of the interurupt controller] - [gpio number within the gpio bank] - [irq flags]> - - Values for irq specifier: - - GPIO number: a value in the range 0 to 29 - - IRQ flags: value to describe edge and level triggering, as defined in - <dt-bindings/interrupt-controller/irq.h>. Only the following flags are - supported: - IRQ_TYPE_EDGE_RISING - IRQ_TYPE_EDGE_FALLING - IRQ_TYPE_EDGE_BOTH - IRQ_TYPE_LEVEL_HIGH - IRQ_TYPE_LEVEL_LOW - - - -Example: - - gpios: gpio-controller@2005800 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "img,tz1090-gpio"; - reg = <0x02005800 0x90>; - - /* bank 0 with an interrupt */ - gpios0: bank@0 { - #gpio-cells = <2>; - #interrupt-cells = <2>; - reg = <0>; - interrupts = <13 IRQ_TYPE_LEVEL_HIGH>; - gpio-controller; - gpio-ranges = <&pinctrl 0 0 30>; - interrupt-controller; - }; - - /* bank 2 without interrupt */ - gpios2: bank@2 { - #gpio-cells = <2>; - reg = <2>; - gpio-controller; - gpio-ranges = <&pinctrl 0 60 30>; - }; - }; - - |