linux-kernel - [PATCH] ARM: at91/dt: add always-on to 1.8V regulator

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Message-ID: <1449050800-29284-1-git-send-email-nicolas.ferre@atmel.com>
Date:	Wed, 2 Dec 2015 11:06:40 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	Ludovic Desroches <ludovic.desroches@...el.com>
CC:	<linux-kernel@...r.kernel.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH] ARM: at91/dt: add always-on to 1.8V regulator

As the SDHCI controller needs the 1.8V line to be always enabled for some eMMC
configurations, set the proper "regulator-always-on" property to the board DTS
files.
Note that the sdhci classical regulator definitions doesn't suit our controller
for this 1.8V purpose.

Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
 arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index ad6de73ed5a5..e74df327cdd3 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -184,6 +184,7 @@
 							regulator-name = "VDD_SDHC_1V8";
 							regulator-min-microvolt = <1800000>;
 							regulator-max-microvolt = <1800000>;
+							regulator-always-on;
 						};
 					};
 				};
-- 
2.1.3

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