From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Mon, 24 Aug 2015 07:20:01 +0000 (+0300)
Subject: ARM: dts: dra7-evm: Enable pcf8575 (0x26 address) on i2c2 bus
X-Git-Tag: v4.14-rc1~4346^2~22^2~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c5d294db75d16b30935fd3be8eef96d82f78355a;p=platform%2Fkernel%2Flinux-rpi.git

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 add77ac..3694046 100644
--- 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 {