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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt b/Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt deleted file mode 100644 index 4a63bc96b687..000000000000 --- a/Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt +++ /dev/null @@ -1,52 +0,0 @@ -Broadcom Kona Family GPIO -========================= - -This GPIO driver is used in the following Broadcom SoCs: - BCM11130, BCM11140, BCM11351, BCM28145, BCM28155 - -The Broadcom GPIO Controller IP can be configured prior to synthesis to -support up to 8 banks of 32 GPIOs where each bank has its own IRQ. The -GPIO controller only supports edge, not level, triggering of interrupts. - -Required properties -------------------- - -- compatible: "brcm,bcm11351-gpio", "brcm,kona-gpio" -- reg: Physical base address and length of the controller's registers. -- interrupts: The interrupt outputs from the controller. There is one GPIO - interrupt per GPIO bank. The number of interrupts listed depends on the - number of GPIO banks on the SoC. The interrupts must be ordered by bank, - starting with bank 0. There is always a 1:1 mapping between banks and - IRQs. -- #gpio-cells: Should be <2>. The first cell is the pin number, the second - cell is used to specify optional parameters: - - bit 0 specifies polarity (0 for normal, 1 for inverted) - See also "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt. -- #interrupt-cells: Should be <2>. The first cell is the GPIO number. The - second cell is used to specify flags. The following subset of flags is - supported: - - trigger type (bits[1:0]): - 1 = low-to-high edge triggered. - 2 = high-to-low edge triggered. - 3 = low-to-high or high-to-low edge triggered - Valid values are 1, 2, 3 - See also .../devicetree/bindings/interrupt-controller/interrupts.txt. -- gpio-controller: Marks the device node as a GPIO controller. -- interrupt-controller: Marks the device node as an interrupt controller. - -Example: - gpio: gpio@35003000 { - compatible = "brcm,bcm11351-gpio", "brcm,kona-gpio"; - reg = <0x35003000 0x800>; - interrupts = - <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>; - #gpio-cells = <2>; - #interrupt-cells = <2>; - gpio-controller; - interrupt-controller; - }; |