[yocto] [meta-raspberrypi][PATCH] rpi-config: SPI bus support

[Gary Thomas]

Ping?

On 2015-11-19 09:52, Gary Thomas wrote:
> With the newer kernels that use device tree, the SPI bus is only
> enabled by a device tree setting.  This is now supported by adding
>    ENABLE_SPI_BUS = "1"
> in local.conf
>
> Signed-off-by: Gary Thomas <gary at mlbassoc.com>
> ---
>   README                                  | 5 +++++
>   recipes-bsp/bootfiles/rpi-config_git.bb | 6 ++++++
>   2 files changed, 11 insertions(+)
>
> diff --git a/README b/README
> index e16dee9..bef13a3 100644
> --- a/README
> +++ b/README
> @@ -189,6 +189,11 @@ kernels.
>   NOTE: KERNEL_DEVICETREE is default enabled for kernel >= 3.18 and always disabled for
>         older kernel versions.
>
> +2.M. Optional - enable SPI bus
> +==============================
> +When using device tree kernels, set this variable to enable the SPI bus
> +ENABLE_SPI_BUS = "1"
> +
>   3. Extra apps
>   =============
>
> diff --git a/recipes-bsp/bootfiles/rpi-config_git.bb b/recipes-bsp/bootfiles/rpi-config_git.bb
> index 45b9f1d..aa11b25 100644
> --- a/recipes-bsp/bootfiles/rpi-config_git.bb
> +++ b/recipes-bsp/bootfiles/rpi-config_git.bb
> @@ -66,6 +66,12 @@ do_deploy() {
>           echo "# Enable offline compositing" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
>           echo "dispmanx_offline=1" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
>       fi
> +
> +    # SPI bus support
> +    if [ -n "${ENABLE_SPI_BUS}" ]; then
> +        echo "# Enable SPI bus" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
> +        echo "dtparam=spi=on" >>${DEPLOYDIR}/bcm2835-bootfiles/config.txt
> +    fi
>   }
>
>   addtask deploy before do_package after do_install
>

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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