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>

diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index add77ac4f302c303cc39516964a8ddcb81e63e3b..3694046c29ebc2579b59b33e4fb1f13559b97d37 100644 (file)
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -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 {