linux-kernel - [PATCH] ARM: dts: am572x-idk: Add gpios property to control PCIE

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Date:   Fri, 30 Dec 2016 13:37:20 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>, <linux-omap@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>, <nsekhar@...com>,
        <kishon@...com>
Subject: [PATCH] ARM: dts: am572x-idk: Add gpios property to control PCIE_RESETn

Add 'gpios' property to pcie1 dt node and populate it with
GPIO3_23 in order to drive PCIE_RESETn high.

This gets PCIe cards to be detected in AM572X IDK board.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 arch/arm/boot/dts/am572x-idk.dts |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/am572x-idk.dts b/arch/arm/boot/dts/am572x-idk.dts
index 27d9149..1540f7a 100644
--- a/arch/arm/boot/dts/am572x-idk.dts
+++ b/arch/arm/boot/dts/am572x-idk.dts
@@ -87,3 +87,7 @@
 &sn65hvs882 {
 	load-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
 };
+
+&pcie1 {
+	gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
+};
-- 
1.7.9.5