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Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:41984) by pandora.armlinux.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lA9aB-0005xo-Bm; Thu, 11 Feb 2021 10:52:23 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1lA9aA-00060y-KL; Thu, 11 Feb 2021 10:52:22 +0000 Date: Thu, 11 Feb 2021 10:52:22 +0000 From: Russell King - ARM Linux admin To: kostap@marvell.com, Jon Nettleton Subject: Re: [PATCH v2 01/12] fix: arm64: dts: replace wrong regulator on ap emmc Message-ID: <20210211105222.GY1463@shell.armlinux.org.uk> References: <20210210140949.32515-1-kostap@marvell.com> <20210210140949.32515-2-kostap@marvell.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210210140949.32515-2-kostap@marvell.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210211_055225_329099_57EFB4C8 X-CRM114-Status: GOOD ( 10.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, andrew@lunn.ch, jaz@semihalf.com, gregory.clement@bootlin.com, linux-kernel@vger.kernel.org, nadavh@marvell.com, robh+dt@kernel.org, stefanc@marvell.com, mw@semihalf.com, bpeled@marvell.com, linux-arm-kernel@lists.infradead.org, sebastian.hesselbarth@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 10, 2021 at 04:09:38PM +0200, kostap@marvell.com wrote: > From: Konstantin Porotchkin > > Replace wrong regulator in AP0 eMMC definition on MacchiatoBIN > board with 3.3V regulator. > The MacchiatoBIN board has no 1.8V regulator connected to AP0 > eMMC (ap0_sdhci0) interface. There seems to be some variability between Macchiatobin versions according to the schematics. The VDDO_H supply is connected to the eMMC VCCQ pins, and is also connected to the AP_VDDO_H pins. It is wired to the 1.8V regulator on rev 1.1 schematics, but hard-wired to the 3.3V regulator on rev 1.3 schematics. This needs clarification from SolidRun before the patch can be accepted - was VDDO_H ever wired to the 1.8V regulator on production hardware? -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel