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Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt deleted file mode 100644 index 16589fb6f420..000000000000 --- a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt +++ /dev/null @@ -1,104 +0,0 @@ -Broadcom Cygnus GPIO/PINCONF Controller - -Required properties: - -- compatible: - Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", - "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio" - -- reg: - Define the base and range of the I/O address space that contains the Cygnus -GPIO/PINCONF controller registers - -- #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: - bit[0]: polarity (0 for active high and 1 for active low) - -- gpio-controller: - Specifies that the node is a GPIO controller - -Optional properties: - -- interrupts: - Interrupt ID - -- interrupt-controller: - Specifies that the node is an interrupt controller - -- gpio-ranges: - Specifies the mapping between gpio controller and pin-controllers pins. - This requires 4 fields in cells defined as - - 1. Phandle of pin-controller. - 2. GPIO base pin offset. - 3 Pin-control base pin offset. - 4. number of gpio pins which are linearly mapped from pin base. - -Supported generic PINCONF properties in child nodes: - -- pins: - The list of pins (within the controller's own pin space) that properties -in the node apply to. Pin names are "gpio-<pin>" - -- bias-disable: - Disable pin bias - -- bias-pull-up: - Enable internal pull up resistor - -- bias-pull-down: - Enable internal pull down resistor - -- drive-strength: - Valid drive strength values include 2, 4, 6, 8, 10, 12, 14, 16 (mA) - -Example: - gpio_ccm: gpio@1800a000 { - compatible = "brcm,cygnus-ccm-gpio"; - reg = <0x1800a000 0x50>, - <0x0301d164 0x20>; - #gpio-cells = <2>; - gpio-controller; - interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; - interrupt-controller; - - touch_pins: touch_pins { - pwr: pwr { - pins = "gpio-0"; - drive-strength = <16>; - }; - - event: event { - pins = "gpio-1"; - bias-pull-up; - }; - }; - }; - - gpio_asiu: gpio@180a5000 { - compatible = "brcm,cygnus-asiu-gpio"; - reg = <0x180a5000 0x668>; - #gpio-cells = <2>; - gpio-controller; - interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>; - interrupt-controller; - gpio-ranges = <&pinctrl 0 42 1>, - <&pinctrl 1 44 3>; - }; - - /* - * Touchscreen that uses the CCM GPIO 0 and 1 - */ - tsc { - ... - ... - gpio-pwr = <&gpio_ccm 0 0>; - gpio-event = <&gpio_ccm 1 0>; - }; - - /* Bluetooth that uses the ASIU GPIO 5, with polarity inverted */ - bluetooth { - ... - ... - bcm,rfkill-bank-sel = <&gpio_asiu 5 1> - } |