linux-kernel - Re: [PATCH v3] dts: omap5: board-common: fix wrong SMPS6 (VDD-DDR3) voltage

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Message-ID: <20161114211714.GV7138@atomide.com>
Date:   Mon, 14 Nov 2016 13:17:15 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Benoît Cousson <bcousson@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...a-handheld.com
Subject: Re: [PATCH v3] dts: omap5: board-common: fix wrong SMPS6 (VDD-DDR3)
 voltage

* H. Nikolaus Schaller <hns@...delico.com> [161114 03:55]:
> DDR3L is usually specified as
> 
> 	JEDEC standard 1.35V(1.28V~1.45V) & 1.5V(1.425V~1.575V)
> 
> Therefore setting smps6 regulator to 1.2V is definitively below
> minimum. It appears that real world chips are more forgiving than
> data sheets indicate, but let's set the regulator right.
> 
> Note: a board that uses other voltages (DDR with 1.5V) can
> overwrite by referencing &smps6_reg.

Applying into omap-for-v4.9/fixes thanks.

Tony