On Mon, Mar 01, 2021 at 04:17:49PM +0100, Benjamin Gaignard wrote: > The two VPUs inside IMX8MQ share the same control block which can be see > as a reset hardware block. > In order to be able to add the second VPU (for HECV decoding) it will be > more handy if the both VPU drivers instance don't have to share the > control block registers. This lead to implement it as an independ reset > driver and to change the VPU driver to use it. > > Please note that this series break the compatibility between the DTB and > kernel. This break is limited to IMX8MQ SoC and is done when the driver > is still in staging directory. As this information will be lost, please put in the binding and dts patch. > > version 3: > - Fix error in VPU example node > > version 2: > - Document the change in VPU bindings > > Benjamin Gaignard (5): > dt-bindings: reset: IMX8MQ VPU reset > dt-bindings: media: IMX8MQ VPU: document reset usage > reset: Add reset driver for IMX8MQ VPU block > media: hantro: Use reset driver > arm64: dts: imx8mq: Use reset driver for VPU hardware block > > .../bindings/media/nxp,imx8mq-vpu.yaml | 14 +- > .../bindings/reset/fsl,imx8mq-vpu-reset.yaml | 54 ++++++ > arch/arm64/boot/dts/freescale/imx8mq.dtsi | 31 +++- > drivers/reset/Kconfig | 8 + > drivers/reset/Makefile | 1 + > drivers/reset/reset-imx8mq-vpu.c | 169 ++++++++++++++++++ > drivers/staging/media/hantro/Kconfig | 1 + > drivers/staging/media/hantro/imx8m_vpu_hw.c | 61 ++----- > include/dt-bindings/reset/imx8mq-vpu-reset.h | 16 ++ > 9 files changed, 294 insertions(+), 61 deletions(-) > create mode 100644 Documentation/devicetree/bindings/reset/fsl,imx8mq-vpu-reset.yaml > create mode 100644 drivers/reset/reset-imx8mq-vpu.c > create mode 100644 include/dt-bindings/reset/imx8mq-vpu-reset.h > > -- > 2.25.1 >
