Hi Paul, On Thu, Jun 17, 2021 at 4:35 AM Paul Barker <paul.barker@xxxxxxxxxxxx> 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 <paul.barker@xxxxxxxxxxxx> > --- > 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/
