linux-kernel - [PATCH 36/41] ARM: dts: am57xx-idk: Set MMC2 IO voltage to 3.3V

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Message-ID: <20170519081541.26753-37-kishon@ti.com>
Date:   Fri, 19 May 2017 13:45:36 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Tony Lindgren <tony@...mide.com>
CC:     <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Jonathan Corbet <corbet@....net>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>, <nsekhar@...com>,
        <kishon@...com>
Subject: [PATCH 36/41] ARM: dts: am57xx-idk: Set MMC2 IO voltage to 3.3V

From: Sekhar Nori <nsekhar@...com>

MMC2 interface on AM57xx IDK, connected to
onboard eMMC, has IO voltage fixed to 3.3V.

Add no-1-8-v device-tree property to mmc2 node
in the board's device-tree file to reflect
this.

Note that the AM57xx SoC itself supports
dual-voltage on MMC2. The limitation above is
due to the board.

Signed-off-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 arch/arm/boot/dts/am57xx-idk-common.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi
index 5d6965ab7339..a8c9e5f714e4 100644
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -413,6 +413,7 @@
 	bus-width = <8>;
 	ti,non-removable;
 	max-frequency = <96000000>;
+	no-1-8-v;
 	/delete-property/ mmc-hs200-1_8v;
 };
 
-- 
2.11.0