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authorLinus Walleij <linus.walleij@linaro.org>2015-06-17 23:10:21 +0200
committerLinus Walleij <linus.walleij@linaro.org>2015-07-23 09:11:14 +0200
commitab4a936247561cd998913bab5f15e3d3eaed1f9e (patch)
tree82e449c8bd183f32c592f3b511ec3a597d95979f /Documentation/devicetree/bindings/pinctrl
parent6ca7d2e352545132923bfdfcd17a4ceee80f5ce9 (diff)
pinctrl: nomadik: assure GPIO chips are populated
If the pin controller probes before the GPIO driver it needs to populate the GPIO driver state containers ahead of the actual driver probe as the addresses are used by both halves of the driver. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl')
-rw-r--r--Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt7
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt b/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt
index f63fcb3ed352..2213802435e0 100644
--- a/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt
+++ b/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt
@@ -3,7 +3,9 @@ ST Ericsson Nomadik pinmux controller
Required properties:
- compatible: "stericsson,db8500-pinctrl", "stericsson,db8540-pinctrl",
"stericsson,stn8815-pinctrl"
-- reg: Should contain the register physical address and length of the PRCMU.
+- nomadik-gpio-chips: array of phandles to the corresponding GPIO chips
+ (these have the register ranges used by the pin controller).
+- prcm: phandle to the PRCMU managing the back end of this pin controller
Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
@@ -74,7 +76,8 @@ Example board file extract:
pinctrl@80157000 {
compatible = "stericsson,db8500-pinctrl";
- reg = <0x80157000 0x2000>;
+ nomadik-gpio-chips = <&gpio0>, <&gpio1>, <&gpio2>, <&gpio3>;
+ prcm = <&prcmu>;
pinctrl-names = "default";