On Thu, Jan 20, 2022 at 2:04 PM Neil Armstrong <narmstrong@xxxxxxxxxxxx> wrote: > > The Amlogic G12A/G12B/SM1 SoCs embeds a Synopsys DW-MIPI-DSI transceiver (ver 1.21a), > with a custom glue managing the IP resets, clock and data input similar to the DW-HDMI > Glue on other Amlogic SoCs. > > This adds support for the Glue managing the transceiver, mimicing the init flow provided > by Amlogic to setup the ENCL encoder, the glue, the transceiver, the digital D-PHY and the > Analog PHY in the proper way. > > An optional "MEAS" clock can be enabled to measure the delay between each vsync feeding the > DW-MIPI-DSI transceiver. > > Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > --- > drivers/gpu/drm/meson/Kconfig | 7 + > drivers/gpu/drm/meson/Makefile | 1 + > drivers/gpu/drm/meson/meson_dw_mipi_dsi.c | 357 ++++++++++++++++++++++ > drivers/gpu/drm/meson/meson_dw_mipi_dsi.h | 160 ++++++++++ > 4 files changed, 525 insertions(+) > create mode 100644 drivers/gpu/drm/meson/meson_dw_mipi_dsi.c > create mode 100644 drivers/gpu/drm/meson/meson_dw_mipi_dsi.h > > diff --git a/drivers/gpu/drm/meson/Kconfig b/drivers/gpu/drm/meson/Kconfig > index 6c70fc3214af..71a1364b51e1 100644 > --- a/drivers/gpu/drm/meson/Kconfig > +++ b/drivers/gpu/drm/meson/Kconfig > @@ -17,3 +17,10 @@ config DRM_MESON_DW_HDMI > default y if DRM_MESON > select DRM_DW_HDMI > imply DRM_DW_HDMI_I2S_AUDIO > + > +config DRM_MESON_DW_MIPI_DSI > + tristate "MIPI DSI Synopsys Controller support for Amlogic Meson Display" > + depends on DRM_MESON > + default y if DRM_MESON > + select DRM_DW_MIPI_DSI > + select GENERIC_PHY_MIPI_DPHY > diff --git a/drivers/gpu/drm/meson/Makefile b/drivers/gpu/drm/meson/Makefile > index 833e18c20603..43071bdbd4b9 100644 > --- a/drivers/gpu/drm/meson/Makefile > +++ b/drivers/gpu/drm/meson/Makefile > @@ -6,3 +6,4 @@ meson-drm-y += meson_encoder_hdmi.o meson_encoder_dsi.o > > obj-$(CONFIG_DRM_MESON) += meson-drm.o > obj-$(CONFIG_DRM_MESON_DW_HDMI) += meson_dw_hdmi.o > +obj-$(CONFIG_DRM_MESON_DW_MIPI_DSI) += meson_dw_mipi_dsi.o Can the naming convention prefix with dw-mipi-dsi like other glue drivers follow? Jagan.