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 <[email protected]>
---
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
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
--
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