From: Neil Armstrong <narmstrong@baylibre.com>
To: Jagan Teki <jagan@amarulasolutions.com>
Cc: daniel@ffwll.ch, linux-amlogic@lists.infradead.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 6/6] drm/meson: add support for MIPI-DSI transceiver
Date: Wed, 12 Jan 2022 09:19:35 +0100 [thread overview]
Message-ID: <70d1af3f-bc00-4afd-1157-1cf70d3b2c88@baylibre.com> (raw)
In-Reply-To: <CAMty3ZBEmafG8LS_yv4eektvUoHwYFoV=-8wohUXgsvpRbZqtA@mail.gmail.com>
Hi,
On 12/01/2022 08:24, Jagan Teki wrote:
> Hi Neil,
>
> On Mon, Sep 7, 2020 at 1:48 PM Neil Armstrong <narmstrong@baylibre.com> wrote:
>>
>> The Amlogic AXg 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.
>>
>> The DW-MIPI-DSI transceiver + D-PHY are directly clocked by the VCLK2 clock, which pixel clock
>> is derived and feeds the ENCL encoder and the VIU pixel reader.
>>
>> 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@baylibre.com>
>> ---
[..]
>> +
>> +static const struct component_ops meson_dw_mipi_dsi_ops = {
>> + .bind = meson_dw_mipi_dsi_bind,
>> + .unbind = meson_dw_mipi_dsi_unbind,
>> +};
>
> Do you thought of non-component based meson DSI like STM DSI? It
> require changes from meson drm but just to understand if you have any
> such plan.
I have no such plans for now, note this serie has been rewritten at [1] but still
with based with components.
If worth it, the plan is to get it with components and than yes if it's simpler
drop components completely.
I'll have a look at how ST does
Neil
[1] https://lore.kernel.org/r/20220107145515.613009-1-narmstrong@baylibre.com
>
> Thanks,
> Jagan.
>
next prev parent reply other threads:[~2022-01-12 8:19 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-07 8:18 [PATCH 0/6] drm/meson: add support for AXG & MIPI-DSI Neil Armstrong
2020-09-07 8:18 ` [PATCH 1/6] dt-bindings: display: amlogic,meson-vpu: add bindings for VPU found in AXG SoCs Neil Armstrong
2020-09-15 15:34 ` Rob Herring
2020-09-07 8:18 ` [PATCH 2/6] dt-bindings: display: add Amlogic MIPI DSI Host Controller bindings Neil Armstrong
2020-09-15 15:41 ` Rob Herring
2020-09-15 16:28 ` Neil Armstrong
2020-09-07 8:18 ` [PATCH 3/6] drm/meson: add support for VPU found in AXG SoCs Neil Armstrong
2020-09-07 8:18 ` [PATCH 4/6] drm/meson: venc: add ENCL encoder setup for MIPI-DSI output Neil Armstrong
2020-09-07 8:18 ` [PATCH 5/6] drm/meson: remove useless recursive components matching Neil Armstrong
2020-09-07 8:18 ` [PATCH 6/6] drm/meson: add support for MIPI-DSI transceiver Neil Armstrong
2020-09-07 8:43 ` Daniel Vetter
2020-09-07 8:44 ` Daniel Vetter
2020-09-07 9:03 ` Neil Armstrong
2020-09-07 18:03 ` Daniel Vetter
2020-09-08 8:06 ` Neil Armstrong
2020-09-08 8:46 ` Daniel Vetter
2020-09-17 7:14 ` Neil Armstrong
2020-09-17 11:32 ` Daniel Vetter
2022-01-12 7:24 ` Jagan Teki
2022-01-12 8:19 ` Neil Armstrong [this message]
2022-01-20 11:03 ` Jagan Teki
2022-01-20 13:28 ` Neil Armstrong
2022-01-07 14:55 [PATCH 0/6] drm/meson: add support for MIPI DSI Display Neil Armstrong
2022-01-07 14:55 ` [PATCH 6/6] drm/meson: add support for MIPI-DSI transceiver Neil Armstrong
2022-01-07 22:49 ` Martin Blumenstingl
2022-01-10 9:51 ` Neil Armstrong
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