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ARM: dts: dra7-evm: Enable pcf8575 (0x26 address) on i2c2 bus 

This GPIO expander is used for controlling various muxes on the board.
By default select audio functionality over VIN6 by setting the P1
(vin6_sel_s0) pin to low.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Peter Ujfalusi 2015-08-24 10:20:01 +03:00 committed by Tony Lindgren
parent d6818223cd
commit c5d294db75
1 changed files with 14 additions and 0 deletions
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14
arch/arm/boot/dts/dra7-evm.dts
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@ -438,6 +438,20 @@
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>;
clock-frequency = <400000>;
pcf_hdmi: gpio@26 {
compatible = "nxp,pcf8575";
reg = <0x26>;
gpio-controller;
#gpio-cells = <2>;
p1 {
/* vin6_sel_s0: high: VIN6, low: audio */
gpio-hog;
gpios = <1 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "vin6_sel_s0";
};
};
};
&i2c3 {