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Fri, 18 Jun 2021 12:04:50 -0400 Received: from mail-ed1-x52c.google.com (mail-ed1-x52c.google.com [IPv6:2a00:1450:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67CE1C061574; Fri, 18 Jun 2021 09:02:40 -0700 (PDT) Received: by mail-ed1-x52c.google.com with SMTP id z12so9368008edc.1; Fri, 18 Jun 2021 09:02:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=FeMZkRKu8I2r+KYH6VOSJibXy1W5BhFH+qkTYQAet8Y=; b=sNSc/wZA6DmbhwyM4CkUU7yJakpjTZIkuQp1YDLnjhqsmGOZsDH46jPfudG+4FV+dP szsKW+IE9CJr7hW9udjKxrJsO2eE/nGvhfqzFkFtQ7tcdrr3vFIfoDAqvM6f8Iczl4uY e115xA0YJlr6GngzNFOvPTB12oAsCp/jZVQ6syGNo+XwZiQiQRK2XjvtEfsCF8xDFHHb NAX1BUZ+k0eldKPEwzfGDok84QCdAA/SFjBiDfP3rk41q0rwPX46fEyjjn902jH9O2va 35wuLRcUJNIIeX4XCU06P15aXDtrRm84ouKFAm8fIK2OBqptgHbnt0FPfClBK5R390Vq fltA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=FeMZkRKu8I2r+KYH6VOSJibXy1W5BhFH+qkTYQAet8Y=; b=FGOM8nrK6i1vouwWwAedHi5j5CUJ+70TydpP4T3d0xQKzVukJrXdp1h3E2OaWTBFIW uvByN8rfgNmd+b6cULOPaW0Ab/Wu9/qPJdVPR3h/xIOBKU/3C+jqS2J2ljARH1aD5LxY WhZv05FyspsI59FJnUmE6Si/STBbtyMfY/eXs4hi+747IJdeZg6r+0WQUa2wN2TrbRF3 9Ri3+VMmfgTTE96VQ6LtCjIe5jFbKPL/SB7tbG5VrGmnhbgrnlH3e1wuueevvtDg+BYI I5HfjmmJZwKNRW/eLAH5aij3W3Y++x266KPhwGnHmXX+Vw9iDHRB0FO6vuee4TSBiBT6 ZyBg== X-Gm-Message-State: AOAM533qMIIdzCUxPBXdDtv3TLzWxZFVDtgnKgpetUflMWxROvH2Bop/ Bd/5WW5YKd597AKj+xrssxSkPZrt0ZqC6rb+Gh4= X-Google-Smtp-Source: ABdhPJyObSdlRTyvAUv6DlfwyKzuLyz0w1veDZeaI9nH49gN+3gAji451IYtR9ou1VtmQx29+xPR4YwfD9sMPMGXBxQ= X-Received: by 2002:aa7:dccb:: with SMTP id w11mr5862932edu.96.1624032158864; Fri, 18 Jun 2021 09:02:38 -0700 (PDT) MIME-Version: 1.0 References: <20210617093330.9179-1-paul.barker@sancloud.com> <20210617093330.9179-4-paul.barker@sancloud.com> In-Reply-To: <20210617093330.9179-4-paul.barker@sancloud.com> From: Robert Nelson Date: Fri, 18 Jun 2021 11:02:12 -0500 Message-ID: Subject: Re: [PATCH 3/4] ARM: dts: am335x-sancloud-bbe-lite: New devicetree To: Paul Barker Cc: =?UTF-8?Q?Beno=C3=AEt_Cousson?= , Tony Lindgren , linux-omap , devicetree , Marc Murphy , Arnd Bergmann , Olof Johansson Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Paul, 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) += \ > 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 = "SanCloud BeagleBone Enhanced Lite"; > + compatible = "sancloud,am335x-boneenhanced", > + "ti,am335x-bone-black", > + "ti,am335x-bone", > + "ti,am33xx"; > +}; > + > +&am33xx_pinmux { > + bb_spi0_pins: pinmux_bb_spi0_pins { > + pinctrl-single,pins = < > + 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 = <1>; > + #size-cells = <0>; > + > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&bb_spi0_pins>; > + > + channel@0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + compatible = "micron,spi-authenta"; > + symlink = "spi/0.0"; 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'.... https://github.com/beagleboard/customizations/blob/master/etc/udev/rules.d/10-of-symlink.rules For 'mainline' we need to remove it.. Regards, -- Robert Nelson https://rcn-ee.com/