diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-mvebu.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-mvebu.txt | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt b/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt index 42c3bb2d53e8..38ca2201e8ae 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt @@ -2,17 +2,27 @@ Required properties: -- compatible : Should be "marvell,orion-gpio", "marvell,mv78200-gpio" - or "marvell,armadaxp-gpio". "marvell,orion-gpio" should be used for - Orion, Kirkwood, Dove, Discovery (except MV78200) and Armada - 370. "marvell,mv78200-gpio" should be used for the Discovery - MV78200. "marvel,armadaxp-gpio" should be used for all Armada XP - SoCs (MV78230, MV78260, MV78460). +- compatible : Should be "marvell,orion-gpio", "marvell,mv78200-gpio", + "marvell,armadaxp-gpio" or "marvell,armada-8k-gpio". + + "marvell,orion-gpio" should be used for Orion, Kirkwood, Dove, + Discovery (except MV78200) and Armada 370. "marvell,mv78200-gpio" + should be used for the Discovery MV78200. + + "marvel,armadaxp-gpio" should be used for all Armada XP SoCs + (MV78230, MV78260, MV78460). + + "marvell,armada-8k-gpio" should be used for the Armada 7K and 8K + SoCs (either from AP or CP), see + Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt + and + Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt + for specific details about the offset property. - reg: Address and length of the register set for the device. Only one entry is expected, except for the "marvell,armadaxp-gpio" variant for which two entries are expected: one for the general registers, - one for the per-cpu registers. + one for the per-cpu registers. Not used for marvell,armada-8k-gpio. - interrupts: The list of interrupts that are used for all the pins managed by this GPIO bank. There can be more than one interrupt @@ -41,9 +51,9 @@ Required properties: Optional properties: In order to use the GPIO lines in PWM mode, some additional optional -properties are required. Only Armada 370 and XP support these properties. +properties are required. -- compatible: Must contain "marvell,armada-370-xp-gpio" +- compatible: Must contain "marvell,armada-370-gpio" - reg: an additional register set is needed, for the GPIO Blink Counter on/off registers. @@ -71,7 +81,7 @@ Example: }; gpio1: gpio@18140 { - compatible = "marvell,armada-370-xp-gpio"; + compatible = "marvell,armada-370-gpio"; reg = <0x18140 0x40>, <0x181c8 0x08>; reg-names = "gpio", "pwm"; ngpios = <17>; |