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dt-bindings: add documentation for rk1108 pinctrl 

This adds the dt-binding documentation for rk1108 pinctrl

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Yan 2016-11-14 20:09:53 +08:00 committed by Linus Walleij
parent 7c926492d3
commit 3b8d0fb9b8
1 changed files with 5 additions and 4 deletions
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Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
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@ -19,10 +19,11 @@ The pins are grouped into up to 5 individual pin banks which need to be
defined as gpio sub-nodes of the pinmux controller.
Required properties for iomux controller:
- compatible: one of "rockchip,rk2928-pinctrl", "rockchip,rk3066a-pinctrl"
"rockchip,rk3066b-pinctrl", "rockchip,rk3188-pinctrl"
"rockchip,rk3228-pinctrl", "rockchip,rk3288-pinctrl"
"rockchip,rk3368-pinctrl", "rockchip,rk3399-pinctrl"
- compatible: one of "rockchip,rk1108-pinctrl", "rockchip,rk2928-pinctrl"
"rockchip,rk3066a-pinctrl", "rockchip,rk3066b-pinctrl"
"rockchip,rk3188-pinctrl", "rockchip,rk3228-pinctrl"
"rockchip,rk3288-pinctrl", "rockchip,rk3368-pinctrl"
"rockchip,rk3399-pinctrl"
- rockchip,grf: phandle referencing a syscon providing the
"general register files"