Messages in this thread Patch in this message |  | | From | Gregory CLEMENT <> | Subject | [PATCH 3/3] arm: mvebu: enable gpio expander over i2c on Mirabox platform | Date | Sun, 6 Jan 2013 18:34:48 +0100 |
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The Globalscale Mirabox platform can be connected to the JTAG/GPIO box through the Multi-IO port. The GPIO box use the NXP PCA9505 I/O port expansion IC to provide 40-bit parallel input/output GPIOs. This patch enable the use of this expander on the Mirabox.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> --- arch/arm/boot/dts/armada-370-mirabox.dts | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/armada-370-mirabox.dts b/arch/arm/boot/dts/armada-370-mirabox.dts index 3b40713..d9b32d3 100644 --- a/arch/arm/boot/dts/armada-370-mirabox.dts +++ b/arch/arm/boot/dts/armada-370-mirabox.dts @@ -52,5 +52,15 @@ phy = <&phy1>; phy-mode = "rgmii-id"; }; + i2c@d0011000 { + status = "okay"; + clock-frequency = <100000>; + pca9505: pca9505@25 { + compatible = "nxp,pca9505"; + gpio-controller; + #gpio-cells = <2>; + reg = <0x25>; + }; + }; }; }; -- 1.7.9.5
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