[PATCH RFC v2 00/14] Add support for i.MX MIPI DSI DRM driver
shrk andy
andyshrk at gmail.com
Fri Dec 19 01:43:40 PST 2014
Hi Liu Ying:
2014-12-19 15:46 GMT+08:00 Liu Ying <Ying.Liu at freescale.com>:
>
> Hi Andy,
>
> On 12/19/2014 02:33 PM, Andy Yan wrote:
>
>> Hi Liu Ying:
>>
>> I foud Rockchip RK618 (a mfd function device with mipi dsi，lvds
>> transmitter、HDMI TX、and audio codec，and
>> controlled by the SOC from i2c ) have the same register layout with your
>> i.MX MIPI DSI，which means RK618 MIPI
>> DSI also have the Synopsys compatible DSI IP。So Would you please make
>> this drives more platform independent？
>>
>>
> I may try to place the Synopsys DesignWare MIPI DSI driver in the
> drm/bridge directory and make it as less platform-dependant as
> possible.
>
> I have no access to the Rockchip RK618 chip and it's reference menu.
> You probably may add the Rockchip part support later.
>
> Regards,
> Liu Ying
That's would be nice , thank you.
Andy
>
>
>>
>>
>> At 2014-12-18 15:11:22, "Liu Ying" <Ying.Liu at freescale.com> wrote:
>>
>>> Hi,
>>>
>>> This series addressed almost all comments from Thierry Redding and
>>> Russell
>>> on v1.
>>>
>>> This series adds support for i.MX MIPI DSI DRM driver.
>>> Currently, the MIPI DSI driver only supports 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 01/15 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 (14):
>>> 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: 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
>>> drm: imx: Add MIPI DSI host controller 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/imx/mipi_dsi.txt | 78 ++
>>> .../devicetree/bindings/panel/himax,hx8369a.txt | 41 +
>>> .../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 | 30 +-
>>> arch/arm/configs/imx_v6_v7_defconfig | 17 +-
>>> arch/arm/mach-imx/clk-imx6q.c | 1 +
>>> drivers/clk/clk-divider.c | 3 +-
>>> drivers/gpu/drm/imx/Kconfig | 6 +
>>> drivers/gpu/drm/imx/Makefile | 1 +
>>> drivers/gpu/drm/imx/imx-mipi-dsi.c | 1056
>>> ++++++++++++++++++++
>>> drivers/gpu/drm/panel/Kconfig | 5 +
>>> drivers/gpu/drm/panel/Makefile | 1 +
>>> drivers/gpu/drm/panel/panel-himax-hx8369a.c | 573 +++++++++++
>>> include/drm/drm_mipi_dsi.h | 14 +
>>> include/dt-bindings/clock/imx6qdl-clock.h | 3 +-
>>> include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 1 +
>>> 18 files changed, 1844 insertions(+), 28 deletions(-)
>>> 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/imx/imx-mipi-dsi.c
>>> create mode 100644 drivers/gpu/drm/panel/panel-himax-hx8369a.c
>>>
>>> --
>>> 2.1.0
>>>
>>> _______________________________________________
>>> dri-devel mailing list
>>> dri-devel at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>>>
>>
>>
>>
>> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20141219/59e58dd8/attachment-0001.html>
More information about the dri-devel
mailing list