[PATCH 10/16] arm: octeontx: Add a fake devicetree file

[François Ozog]

Hi Simon

It’s even in the title!

The idea of having a DT in dts for ALL boards is not properly rooted. You
may add some sample dts with warnings in the doc tree though.

Le mer. 13 oct. 2021 à 03:04, Simon Glass <sjg at chromium.org> a écrit :

> Add an empty file to prevent build errors when building with
> CONFIG_OF_SEPARATE enabled.
>
> Unfortunately there are no build instructions in the U-Boot tree to enable
> a real file to be created.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  arch/arm/dts/Makefile            |  3 +++
>  arch/arm/dts/octeontx.dts        | 14 ++++++++++++++
>  configs/octeontx2_95xx_defconfig |  1 +
>  configs/octeontx2_96xx_defconfig |  1 +
>  configs/octeontx_81xx_defconfig  |  1 +
>  configs/octeontx_83xx_defconfig  |  1 +
>  6 files changed, 21 insertions(+)
>  create mode 100644 arch/arm/dts/octeontx.dts
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index f09a81eea8e..0fec648dd77 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -1127,6 +1127,9 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
>
>  dtb-$(CONFIG_XEN) += xenguest-arm64.dtb
>
> +dtb-$(CONFIG_ARCH_OCTEONTX) += octeontx.dtb
> +dtb-$(CONFIG_ARCH_OCTEONTX2) += octeontx.dtb
> +
>  dtb-$(CONFIG_TARGET_GE_BX50V3) += \
>         imx6q-bx50v3.dtb \
>         imx6q-b850v3.dtb \
> diff --git a/arch/arm/dts/octeontx.dts b/arch/arm/dts/octeontx.dts
> new file mode 100644
> index 00000000000..60a15f5df23
> --- /dev/null
> +++ b/arch/arm/dts/octeontx.dts
> @@ -0,0 +1,14 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Dummy devicetre file for octeontx2 boards
> + *
> + * This is required to make the board build with CONFIG OF_SEPARATE
> + * I could not find any in-tree documentation at all so this is a dummy
> file.
> + *
> + * Copyright 2021 Google LLC
> + */
> +
> +/dts-v1/;
> +
> +/ {
> +};
> diff --git a/configs/octeontx2_95xx_defconfig
> b/configs/octeontx2_95xx_defconfig
> index 6d8457f1d07..fac4c50aec4 100644
> --- a/configs/octeontx2_95xx_defconfig
> +++ b/configs/octeontx2_95xx_defconfig
> @@ -12,6 +12,7 @@ CONFIG_ENV_SECT_SIZE=0x10000
>  CONFIG_TARGET_OCTEONTX2_95XX=y
>  CONFIG_SYS_MALLOC_LEN=0x4008000
>  CONFIG_DM_GPIO=y
> +CONFIG_DEFAULT_DEVICE_TREE="octeontx"
>  CONFIG_DEBUG_UART_BASE=0x87e028000000
>  CONFIG_DEBUG_UART_CLOCK=24000000
>  CONFIG_DEBUG_UART=y
> diff --git a/configs/octeontx2_96xx_defconfig
> b/configs/octeontx2_96xx_defconfig
> index b72caef77d8..db883b5542c 100644
> --- a/configs/octeontx2_96xx_defconfig
> +++ b/configs/octeontx2_96xx_defconfig
> @@ -10,6 +10,7 @@ CONFIG_ENV_SECT_SIZE=0x10000
>  CONFIG_TARGET_OCTEONTX2_96XX=y
>  CONFIG_SYS_MALLOC_LEN=0x4008000
>  CONFIG_DM_GPIO=y
> +CONFIG_DEFAULT_DEVICE_TREE="octeontx"
>  CONFIG_DEBUG_UART_BASE=0x87e028000000
>  CONFIG_DEBUG_UART_CLOCK=24000000
>  CONFIG_DEBUG_UART=y
> diff --git a/configs/octeontx_81xx_defconfig
> b/configs/octeontx_81xx_defconfig
> index 52678d59ff1..8309c29c091 100644
> --- a/configs/octeontx_81xx_defconfig
> +++ b/configs/octeontx_81xx_defconfig
> @@ -12,6 +12,7 @@ CONFIG_ENV_SECT_SIZE=0x10000
>  CONFIG_TARGET_OCTEONTX_81XX=y
>  CONFIG_SYS_MALLOC_LEN=0x4008000
>  CONFIG_DM_GPIO=y
> +CONFIG_DEFAULT_DEVICE_TREE="octeontx"
>  CONFIG_DEBUG_UART_BASE=0x87e028000000
>  CONFIG_DEBUG_UART_CLOCK=24000000
>  CONFIG_DEBUG_UART=y
> diff --git a/configs/octeontx_83xx_defconfig
> b/configs/octeontx_83xx_defconfig
> index 3890c1e97d4..dae1d4880f8 100644
> --- a/configs/octeontx_83xx_defconfig
> +++ b/configs/octeontx_83xx_defconfig
> @@ -10,6 +10,7 @@ CONFIG_ENV_SECT_SIZE=0x10000
>  CONFIG_TARGET_OCTEONTX_83XX=y
>  CONFIG_SYS_MALLOC_LEN=0x4008000
>  CONFIG_DM_GPIO=y
> +CONFIG_DEFAULT_DEVICE_TREE="octeontx"
>  CONFIG_DEBUG_UART_BASE=0x87e028000000
>  CONFIG_DEBUG_UART_CLOCK=24000000
>  CONFIG_DEBUG_UART=y
> --
> 2.33.0.882.g93a45727a2-goog
>
> --
François-Frédéric Ozog | *Director Business Development*
T: +33.67221.6485
francois.ozog at linaro.org | Skype: ffozog