On Wed, Oct 13, 2021 at 1:06 AM Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> wrote: > > On Mon, Oct 11, 2021 at 05:20:14PM +0800, Shengjiu Wang wrote: > > Provide a basic driver to control DSP processor found on NXP i.MX8QM, > > i.MX8QXP, i.MX8MP and i.MX8ULP. > > > > Currently it is able to resolve addresses between DSP and main CPU, > > start and stop the processor, suspend and resume. > > > > The communication between DSP and main CPU is based on mailbox, there > > are three mailbox channels (tx, rx, rxdb). > > > > This driver was tested on NXP i.MX8QM, i.MX8QXP, i.MX8MP and i.MX8ULP. > > > > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> > > Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > > --- > > drivers/remoteproc/Kconfig | 11 + > > drivers/remoteproc/Makefile | 1 + > > drivers/remoteproc/imx_dsp_rproc.c | 1206 ++++++++++++++++++++++++++++ > > 3 files changed, 1218 insertions(+) > > create mode 100644 drivers/remoteproc/imx_dsp_rproc.c > > > > diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig > > index dcb87a366ec7..f2e961f998ca 100644 > > --- a/drivers/remoteproc/Kconfig > > +++ b/drivers/remoteproc/Kconfig > > @@ -34,6 +34,17 @@ config IMX_REMOTEPROC > > > > It's safe to say N here. > > > > +config IMX_DSP_REMOTEPROC > > + tristate "i.MX DSP remoteproc support" > > + depends on ARCH_MXC > > + depends on HAVE_ARM_SMCCC > > + select MAILBOX > > + help > > + Say y here to support iMX's DSP remote processors via the remote > > + processor framework. > > + > > + It's safe to say N here. > > + > > config INGENIC_VPU_RPROC > > tristate "Ingenic JZ47xx VPU remoteproc support" > > depends on MIPS || COMPILE_TEST > > diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile > > index ce1abeb30907..0ac256b6c977 100644 > > --- a/drivers/remoteproc/Makefile > > +++ b/drivers/remoteproc/Makefile > > @@ -12,6 +12,7 @@ remoteproc-y += remoteproc_virtio.o > > remoteproc-y += remoteproc_elf_loader.o > > obj-$(CONFIG_REMOTEPROC_CDEV) += remoteproc_cdev.o > > obj-$(CONFIG_IMX_REMOTEPROC) += imx_rproc.o > > +obj-$(CONFIG_IMX_DSP_REMOTEPROC) += imx_dsp_rproc.o > > obj-$(CONFIG_INGENIC_VPU_RPROC) += ingenic_rproc.o > > obj-$(CONFIG_MTK_SCP) += mtk_scp.o mtk_scp_ipi.o > > obj-$(CONFIG_OMAP_REMOTEPROC) += omap_remoteproc.o > > diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c > > new file mode 100644 > > index 000000000000..63749cfcf22f > > --- /dev/null > > +++ b/drivers/remoteproc/imx_dsp_rproc.c > > @@ -0,0 +1,1206 @@ > > +// SPDX-License-Identifier: GPL-2.0-only > > +// Copyright 2021 NXP > > I just noticed the '//' on the copyright line. Please send a patch to change > that to C style comments. > > Thanks, > Mathieu Ok, will send a patch for it. best regards Wang Shengjiu