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| author | Uri Mashiach <uri.mashiach@compulab.co.il> | 2015-12-13 09:55:37 +0100 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-12-17 19:04:22 +0100 |
| commit | 98e5d8987cd35688003f672f049c15163552c4c3 (patch) | |
| tree | b0d76ff9c504700a2d77b9cd80e1f592a70cfcf6 /arch/arm | |
| parent | ARM: dts: cm-t335: add support for SBC-T335 (diff) | |
| download | linux-98e5d8987cd35688003f672f049c15163552c4c3.tar.xz linux-98e5d8987cd35688003f672f049c15163552c4c3.zip | |
ARM: dts: cm-t335: add support for I2C GPIO expander
The I2C GPIO expander (PCA9555) adds 16 GPIOs to the module.
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/am335x-sbc-t335.dts | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am335x-sbc-t335.dts b/arch/arm/boot/dts/am335x-sbc-t335.dts index 9e98445e3784..4a5177e6030d 100644 --- a/arch/arm/boot/dts/am335x-sbc-t335.dts +++ b/arch/arm/boot/dts/am335x-sbc-t335.dts @@ -14,3 +14,14 @@ model = "CompuLab CM-T335 on SB-T335"; compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx"; }; + +&i2c0 { + /* GPIO extender */ + gpio_ext: pca9555@26 { + compatible = "nxp,pca9555"; + pinctrl-names = "default"; + gpio-controller; + #gpio-cells = <2>; + reg = <0x26>; + }; +}; |