[PATCH RFC v8 00/21] Add support for i.MX MIPI DSI DRM driver
Liu Ying
Ying.Liu at freescale.com
Sun Feb 1 21:34:40 PST 2015
Correct Philipp's email address in the Cc list.
Liu Ying
On Mon, Feb 02, 2015 at 10:17:45AM +0800, Liu Ying wrote:
> Hi,
>
> This version has been submitted for a while.
> And, it looks there is no comments on this version.
> Can the maintainers consider to take this?
>
> Mike, any comments on patch 01/21? It's a clock driver change.
>
> Regards,
> Liu Ying
>
> On Wed, Dec 31, 2014 at 04:23:18PM +0800, Liu Ying wrote:
> > Hi,
> >
> > This version mainly fixes the Kconfig for the Synopsys DesignWare MIPI DSI
> > host controller bridge driver so that we may pass the allmodconfig for ARM.
> > Also, this version contains a minor change for the Himax HX8369A panel
> > driver to remove several unnecessary headers included.
> >
> > The i.MX MIPI DSI is a Synopsys DesignWare MIPI DSI host controller IP.
> > This series adds support for a Synopsys DesignWare MIPI DSI host controller
> > DRM bridge driver and a i.MX MIPI DSI specific DRM driver.
> > Currently, the MIPI DSI drivers only support the burst with sync pulse mode.
> >
> > This series also includes a DRM panel driver for the Truly TFT480800-16-E panel
> > which is driven by the Himax HX8369A driver IC. The driver IC data sheet could
> > be found at [1]. As mentioned by the data sheet, the driver IC supports several
> > interface modes. Currently, the DRM panel driver only supports the MIPI DSI video
> > mode. New interface modes could be added later(perhaps, just like the way the DRM
> > simple panel driver supports both MIPI DSI interface panels and simple(parallel)
> > interface panels).
> >
> > The MIPI DSI feature is tested on i.MX6Q SabreSD board and i.MX6DL SabreSD board.
> > The MIPI DSI display could be enabled directly on i.MX6Q SabreSD board after
> > applying this series, because the 26.4MHz pixel clock the panel requires could be
> > derived from the IPU HSP clock(264MHz) with an integer divider.
> > On i.MX6DL SabreSD board, we need to manually disable the LVDS and HDMI displays in
> > the device tree blob, since the i.MX6DL IPU HSP clock is 198MHz at present, which
> > makes the pixel clock share the PLL5 video clock source with the LVDS and HDMI,
> > thus, the panel cannot get the pixel clock rate it wants.
> >
> > Patch 01/21 is needed to get a precise pixel clock rate(26.4MHz) from the PLL5 video
> > clock. If we don't have this patch, the pixel clock rate is about 20MHz, which
> > causes a horitonal shift on the display image.
> >
> > This series can be applied on the drm-next branch.
> >
> > [1] http://www.allshore.com/pdf/Himax_HX8369-A.pdf
> >
> > Liu Ying (21):
> > clk: divider: Correct parent clk round rate if no bestdiv is normally
> > found
> > of: Add vendor prefix for Himax Technologies Inc.
> > of: Add vendor prefix for Truly Semiconductors Limited
> > ARM: imx6q: Add GPR3 MIPI muxing control register field shift bits
> > definition
> > ARM: imx6q: clk: Add the video_27m clock
> > ARM: imx6q: clk: Change hdmi_isfr clock's parent to be video_27m clock
> > ARM: imx6q: clk: Change hsi_tx clock to be a shared clock gate
> > ARM: imx6q: clk: Add support for mipi_core_cfg clock as a shared clock
> > gate
> > ARM: dts: imx6qdl: Move existing MIPI DSI ports into a new 'ports'
> > node
> > drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format
> > Documentation: dt-bindings: Add bindings for Synopsys DW MIPI DSI DRM
> > bridge driver
> > drm/bridge: Add Synopsys DesignWare MIPI DSI host controller driver
> > Documentation: dt-bindings: Add bindings for i.MX specific Synopsys DW
> > MIPI DSI driver
> > drm: imx: Support Synopsys DesignWare MIPI DSI host controller
> > Documentation: dt-bindings: Add bindings for Himax HX8369A DRM panel
> > driver
> > drm: panel: Add support for Himax HX8369A MIPI DSI panel
> > ARM: dtsi: imx6qdl: Add support for MIPI DSI host controller
> > ARM: dts: imx6qdl-sabresd: Add support for TRULY TFT480800-16-E MIPI
> > DSI panel
> > ARM: imx_v6_v7_defconfig: Cleanup for imx drm being moved out of
> > staging
> > ARM: imx_v6_v7_defconfig: Add support for MIPI DSI host controller
> > ARM: imx_v6_v7_defconfig: Add support for Himax HX8369A panel
> >
> > .../devicetree/bindings/drm/bridge/dw_mipi_dsi.txt | 73 ++
> > .../devicetree/bindings/drm/imx/mipi_dsi.txt | 78 ++
> > .../devicetree/bindings/panel/himax,hx8369a.txt | 39 +
> > .../devicetree/bindings/vendor-prefixes.txt | 2 +
> > arch/arm/boot/dts/imx6q.dtsi | 20 +-
> > arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 20 +
> > arch/arm/boot/dts/imx6qdl.dtsi | 29 +-
> > arch/arm/configs/imx_v6_v7_defconfig | 17 +-
> > arch/arm/mach-imx/clk-imx6q.c | 7 +-
> > drivers/clk/clk-divider.c | 3 +-
> > drivers/gpu/drm/bridge/Kconfig | 10 +
> > drivers/gpu/drm/bridge/Makefile | 1 +
> > drivers/gpu/drm/bridge/dw_mipi_dsi.c | 996 +++++++++++++++++++++
> > drivers/gpu/drm/imx/Kconfig | 7 +
> > drivers/gpu/drm/imx/Makefile | 1 +
> > drivers/gpu/drm/imx/dw_mipi_dsi-imx.c | 230 +++++
> > drivers/gpu/drm/panel/Kconfig | 5 +
> > drivers/gpu/drm/panel/Makefile | 1 +
> > drivers/gpu/drm/panel/panel-himax-hx8369a.c | 610 +++++++++++++
> > include/drm/bridge/dw_mipi_dsi.h | 27 +
> > include/drm/drm_mipi_dsi.h | 14 +
> > include/dt-bindings/clock/imx6qdl-clock.h | 4 +-
> > include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 1 +
> > 23 files changed, 2165 insertions(+), 30 deletions(-)
> > create mode 100644 Documentation/devicetree/bindings/drm/bridge/dw_mipi_dsi.txt
> > create mode 100644 Documentation/devicetree/bindings/drm/imx/mipi_dsi.txt
> > create mode 100644 Documentation/devicetree/bindings/panel/himax,hx8369a.txt
> > create mode 100644 drivers/gpu/drm/bridge/dw_mipi_dsi.c
> > create mode 100644 drivers/gpu/drm/imx/dw_mipi_dsi-imx.c
> > create mode 100644 drivers/gpu/drm/panel/panel-himax-hx8369a.c
> > create mode 100644 include/drm/bridge/dw_mipi_dsi.h
> >
> > --
> > 2.1.0
> >
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