linux-kernel - [PATCH 2/2] arm: boot: beaglex15: pass correct interrupt

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Message-ID: <1447350781-20649-3-git-send-email-balbi@ti.com>
Date:	Thu, 12 Nov 2015 11:53:01 -0600
From:	Felipe Balbi <balbi@...com>
To:	Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>
CC:	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH 2/2] arm: boot: beaglex15: pass correct interrupt

According to latest schematics [1], GPIO_1/VBUSDET
on TPS659038 is tied to AM57x GPIO4_21. We can use
that as a VBUS interrupt, instead of relying on
PMIC's VBUS interrupts which don't seem to be firing
on x15 at all.

A follow up patch will add support for using this
GPIO-based interrupt mechanism for notifying about
VBUS.

[1] https://github.com/beagleboard/beagleboard-x15/blob/master/BeagleBoard-X15_RevA2.pdf

Signed-off-by: Felipe Balbi <balbi@...com>
---
 arch/arm/boot/dts/am57xx-beagle-x15.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index 6f3a1a7ec5f9..5e47162f7883 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -560,6 +560,7 @@
 		extcon_usb2: tps659038_usb {
 			compatible = "ti,palmas-usb-vid";
 			ti,enable-vbus-detection;
+			interrupts-extended = <&gpio4 21 IRQ_TYPE_EDGE_RISING>;
 		};
 
 	};
-- 
2.6.2

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