From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Kemnade Subject: Re: [PATCH v2 2/3] ARM: dts: add Netronix E60K02 board common file Date: Thu, 10 Oct 2019 07:31:29 +0200 Message-ID: <20191010073129.607f7b6f@kemnade.info> References: <20190930194332.12246-1-andreas@kemnade.info> <20190930194332.12246-3-andreas@kemnade.info> <20191006223848.GE19803@latitude> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20191006223848.GE19803@latitude> Sender: linux-kernel-owner@vger.kernel.org To: Jonathan =?ISO-8859-1?Q?Neusch=E4fer?= Cc: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, manivannan.sadhasivam@linaro.org, andrew.smirnov@gmail.com, marex@denx.de, angus@akkea.ca, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Discussions about the Letux Kernel , Marco Felsch List-Id: devicetree@vger.kernel.org Hi Jonathan, On Mon, 7 Oct 2019 00:38:48 +0200 Jonathan Neusch=E4fer wrote: > Thanks for CCing me on this patchset. Nice to see more e-book reader > related work! >=20 btw. seems that we have a common target, since our ebook readers both have a tps65185. It seems to be a good idea to comment things on the i2c busses without proper bindings. That might help to find allies. I will send a v3 with correct memory, better name for GLED and the above-mentioned comments. Regards, Andreas > A few comments and questions below. >=20 > On Mon, Sep 30, 2019 at 09:43:31PM +0200, Andreas Kemnade wrote: > > The Netronix board E60K02 can be found some several Ebook-Readers, > > at least the Kobo Clara HD and the Tolino Shine 3. The board > > is equipped with different SoCs requiring different pinmuxes. =20 >=20 > Do I understand it correctly that i.MX6SL and i.MX6SLL are pin- > compatible so we can use the same pin numbers and GPIO handles in the > DT? >=20 > > + leds { > > + compatible =3D "gpio-leds"; > > + pinctrl-names =3D "default"; > > + pinctrl-0 =3D <&pinctrl_led>; > > + > > + GLED { =20 >=20 > What does "GLED" mean? It's not obvious to me. > What user-visible purpose does this LED have, or where is it on the > board? >=20 > > + gpios =3D <&gpio5 7 GPIO_ACTIVE_LOW>; > > + linux,default-trigger =3D "timer"; > > + }; > > + }; > > + > > + memory { > > + reg =3D <0x80000000 0x80000000>; =20 >=20 > 2 GiB of memory? >=20 > > + /* Core3_3V3 */ =20 >=20 > What are these labels (Core3_3V3, Core4_1V2, etc.)? >=20 > > + dcdc2_reg: DCDC2 { > > + regulator-name =3D "DCDC2"; > > + regulator-always-on; > > + regulator-boot-on; > > + regulator-state-mem { > > + regulator-on-in-suspend; > > + regulator-suspend-max-microvolt =3D <3300000>; > > + regulator-suspend-min-microvolt =3D <3300000>; > > + }; > > + }; =20 >=20 >=20 > Thanks, > Jonathan Neusch=E4fer