From mboxrd@z Thu Jan 1 00:00:00 1970 From: lukma@denx.de (Lukasz Majewski) Date: Thu, 5 Apr 2018 16:42:32 +0200 Subject: [PATCH v3] ARM: dts: tpc: Device tree description of the iMX6Q TPC board In-Reply-To: References: <20180405070939.22245-1-lukma@denx.de> Message-ID: <20180405164134.5ae71ea9@jawa> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Fabio, > Hi Lukasz, > > On Thu, Apr 5, 2018 at 4:09 AM, Lukasz Majewski wrote: > > > + reg_audio: regulator-audio { > > + compatible = "regulator-fixed"; > > + regulator-name = "sgtl5000-supply"; > > + gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>; > > + enable-active-high; > > + regulator-always-on; > > + }; > > sgtl5000 has 3 supplies: VDDD, VDDIO, VDDA. > > Which supply does this reg_audio supply to the chip? It supplies none of the above. This regulator is needed to enable amplifier output placed after sgtl5000 device. > > Can't you use any of the existing sgtl5000 regulator bindings to > describe this supply? As stated before - this supply enables the output of the amplifier. Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 488 bytes Desc: OpenPGP digital signature URL: