[PATCH 0/5] Fix i.MXRT1050 hang on lcdif init and improve DT for mxsfb

Giulio Benetti giulio.benetti at benettiengineering.com
Tue Apr 13 01:05:00 CEST 2021

On 4/13/21 1:03 AM, Giulio Benetti wrote:
> This patchset fixes u-boot hang on i.MXRT1050 while setting lcdif in mxsfb
> driver. There are 2 gates to be enabled to initialize mxsfb so let's
> introduce the missing gate as a clock and rename "per" clock to "pix" clock
> since in the other .dts files using *-lcdif "pix" is used.
> This patchset add also "disp_axi" clock enabling in mxsfb that should make
> able to every i.MX SoC with lcdif using DT. I didn't test it other than
> i.MXRT1050 since I don't have the boards. If someone can test it it would
> be great. Note that i.MX23/28 should fail using DT instead because they
> don't specify any clock-names in their dts.

I've forgotten to specify that this patchset depends on this patchset:

Best regards
Giulio Benetti
Benetti Engineering sas

> Giulio Benetti (5):
>    video: mxsfb: add enabling of "axi" clock other than "per" clock
>    video: mxsfb: add enabling of "disp_axi" clock
>    clk: imx: clk-imxrt1050: introduce LCDIF_PIX and rename LCDIF to
>      LCDIF_APB
>    ARM: dts: imxrt1050: move lcdif assigned clock to dtsi
>    ARM: dts: imxrt1050: set lcdif clocks according to mxsfb driver
>   arch/arm/dts/imxrt1050-evk.dts              |  3 --
>   arch/arm/dts/imxrt1050.dtsi                 |  7 ++--
>   drivers/clk/imx/clk-imxrt1050.c             |  6 ++--
>   drivers/video/mxsfb.c                       | 36 +++++++++++++++++----
>   include/dt-bindings/clock/imxrt1050-clock.h |  5 +--
>   5 files changed, 41 insertions(+), 16 deletions(-)

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