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Tue, 29 Jun 2021 13:10:35 +0000 Date: Tue, 29 Jun 2021 14:10:33 +0100 From: Paul Barker To: Robert Nelson Cc: =?UTF-8?B?QmVub8OudA==?= Cousson , Tony Lindgren , linux-omap , devicetree , Marc Murphy , Arnd Bergmann , Olof Johansson Subject: Re: [PATCH 3/4] ARM: dts: am335x-sancloud-bbe-lite: New devicetree Message-ID: <20210629141034.2f9a2fea.paul.barker@sancloud.com> In-Reply-To: References: <20210617093330.9179-1-paul.barker@sancloud.com> <20210617093330.9179-4-paul.barker@sancloud.com> Organization: SanCloud Ltd X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.32; x86_64-suse-linux-gnu) Content-Type: multipart/signed; boundary="Sig_/m9WJ5BecVUyDBqd.Da=731G"; protocol="application/pgp-signature"; micalg=pgp-sha256 X-Originating-IP: [80.7.160.81] X-ClientProxiedBy: LO2P265CA0229.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:b::25) To CWLP123MB2241.GBRP123.PROD.OUTLOOK.COM (2603:10a6:401:61::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from owl.home.b5net.uk (80.7.160.81) by LO2P265CA0229.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:b::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4287.21 via Frontend Transport; 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charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Fri, 18 Jun 2021 11:02:12 -0500 Robert Nelson wrote: > Hi Paul, >=20 > On Thu, Jun 17, 2021 at 4:35 AM Paul Barker > wrote: > > > > This adds support for the Sancloud BBE Lite which shares a common > > hardware base with the non-Lite version of the BBE. > > > > Signed-off-by: Paul Barker > > --- > > arch/arm/boot/dts/Makefile | 1 + > > .../arm/boot/dts/am335x-sancloud-bbe-lite.dts | 51 > > +++++++++++++++++++ 2 files changed, 52 insertions(+) > > create mode 100644 arch/arm/boot/dts/am335x-sancloud-bbe-lite.dts > > > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > > index f8f09c5066e7..8629c941f573 100644 > > --- a/arch/arm/boot/dts/Makefile > > +++ b/arch/arm/boot/dts/Makefile > > @@ -834,6 +834,7 @@ dtb-$(CONFIG_SOC_AM33XX) +=3D \ > > am335x-pocketbeagle.dtb \ > > am335x-regor-rdk.dtb \ > > am335x-sancloud-bbe.dtb \ > > + am335x-sancloud-bbe-lite.dtb \ > > am335x-shc.dtb \ > > am335x-sbc-t335.dtb \ > > am335x-sl50.dtb \ > > diff --git a/arch/arm/boot/dts/am335x-sancloud-bbe-lite.dts > > b/arch/arm/boot/dts/am335x-sancloud-bbe-lite.dts new file mode > > 100644 index 000000000000..9c311bd106f6 > > --- /dev/null > > +++ b/arch/arm/boot/dts/am335x-sancloud-bbe-lite.dts > > @@ -0,0 +1,51 @@ > > +// SPDX-License-Identifier: GPL-2.0-only > > +/* > > + * Copyright (C) 2012 Texas Instruments Incorporated - > > http://www.ti.com/ > > + * Copyright (C) 2021 SanCloud Ltd > > + */ > > +/dts-v1/; > > + > > +#include "am33xx.dtsi" > > +#include "am335x-bone-common.dtsi" > > +#include "am335x-boneblack-common.dtsi" > > +#include "am335x-sancloud-bbe-common.dtsi" > > + > > +/ { > > + model =3D "SanCloud BeagleBone Enhanced Lite"; > > + compatible =3D "sancloud,am335x-boneenhanced", > > + "ti,am335x-bone-black", > > + "ti,am335x-bone", > > + "ti,am33xx"; > > +}; > > + > > +&am33xx_pinmux { > > + bb_spi0_pins: pinmux_bb_spi0_pins { > > + pinctrl-single,pins =3D < > > + AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, > > PIN_INPUT, MUX_MODE0) > > + AM33XX_PADCONF(AM335X_PIN_SPI0_D0, > > PIN_INPUT, MUX_MODE0) > > + AM33XX_PADCONF(AM335X_PIN_SPI0_D1, > > PIN_INPUT, MUX_MODE0) > > + AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, > > PIN_INPUT, MUX_MODE0) > > + >; > > + }; > > +}; > > + > > +&spi0 { > > + #address-cells =3D <1>; > > + #size-cells =3D <0>; > > + > > + status =3D "okay"; > > + pinctrl-names =3D "default"; > > + pinctrl-0 =3D <&bb_spi0_pins>; > > + > > + channel@0 { > > + #address-cells =3D <1>; > > + #size-cells =3D <0>; > > + > > + compatible =3D "micron,spi-authenta"; > > + symlink =3D "spi/0.0"; =20 >=20 > Sorry, this "symlink" is an undocumented "feature" of the > BeagleBoard.org tree.. We use it to help "identity" spi/usart/i2c > nodes names when they dynamically change node numbers based on kernel > versions or even 'drivers'.... >=20 > https://github.com/beagleboard/customizations/blob/master/etc/udev/rules.= d/10-of-symlink.rules >=20 > For 'mainline' we need to remove it.. Ok, that's a straightforward change. I'll send an updated patch series later in the week. Thanks, --=20 Paul Barker Principal Software Engineer SanCloud Ltd --Sig_/m9WJ5BecVUyDBqd.Da=731G Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iHUEARYIAB0WIQS7m7rT1+CktY3YG1PYN3IfEvob6gUCYNsbygAKCRDYN3IfEvob 6lNxAQC9QdOcnThmFQAAbURewMhqaY94zx+nIYgUaMvJ6+y8ywD/Uj0Ln8U8xIZ9 VW76FRUmX5F+KbVDR1B6uh/6hkFh5wU= =LmAI -----END PGP SIGNATURE----- --Sig_/m9WJ5BecVUyDBqd.Da=731G--