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rpmsg: Introduce Qualcomm RPM glink driver

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This introduces a basic driver for communicating over "native glink"
with the RPM found in Qualcomm platforms.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Bjorn Andersson 2017-05-27 16:23:35 -07:00
parent 48787c16c5
commit b4f8e52b89
3 changed files with 1244 additions and 0 deletions
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10
drivers/rpmsg/Kconfig
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@ -13,6 +13,16 @@ config RPMSG_CHAR
in /dev. They make it possible for user-space programs to send and
receive rpmsg packets.
config RPMSG_QCOM_GLINK_RPM
tristate "Qualcomm RPM Glink driver"
select RPMSG
depends on HAS_IOMEM
depends on MAILBOX
help
Say y here to enable support for the GLINK RPM communication driver,
which serves as a channel for communication with the RPM in GLINK
enabled systems.
config RPMSG_QCOM_SMD
tristate "Qualcomm Shared Memory Driver (SMD)"
depends on QCOM_SMEM

1
drivers/rpmsg/Makefile
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@ -1,4 +1,5 @@
obj-$(CONFIG_RPMSG) += rpmsg_core.o
obj-$(CONFIG_RPMSG_CHAR) += rpmsg_char.o
obj-$(CONFIG_RPMSG_QCOM_GLINK_RPM) += qcom_glink_rpm.o
obj-$(CONFIG_RPMSG_QCOM_SMD) += qcom_smd.o
obj-$(CONFIG_RPMSG_VIRTIO) += virtio_rpmsg_bus.o

1233
drivers/rpmsg/qcom_glink_rpm.c Normal file
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