From bc0d788b47eeb86d7c4bee45a5131b3114f0ffc2 Mon Sep 17 00:00:00 2001 From: Gary Thomas Date: Thu, 19 Nov 2015 09:52:10 -0700 Subject: rpi-config: SPI bus support 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 --- 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 -- cgit v1.2.3-54-g00ecf