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author | Gregory CLEMENT <gregory.clement@free-electrons.com> | 2017-05-17 11:06:35 +0200 |
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committer | Gregory CLEMENT <gregory.clement@free-electrons.com> | 2017-06-27 09:07:17 +0200 |
commit | 1fa67c675f6477ceb670f087a6f6739f7b3cb099 (patch) | |
tree | 32205253be6de21c4c3879dcc618dd0f503a925f /Documentation/devicetree/bindings/gpio | |
parent | pinctrl: dt-bindings: add documentation for CP110 pin controllers (diff) | |
download | linux-1fa67c675f6477ceb670f087a6f6739f7b3cb099.tar.xz linux-1fa67c675f6477ceb670f087a6f6739f7b3cb099.zip |
gpio: dt-bindings: Add documentation for gpio controllers on Armada 7K/8K
Document the device tree binding for the gpio controllers found on the
Marvell Armada 7K and Armada 8K SoCs.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-mvebu.txt | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt b/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt index 42c3bb2d53e8..2c5304ff467c 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 |