linux-kernel - Re: [PATCH] arm64: dts: rockchip: Add DSI LCD display on rk3576-evb1

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Message-ID: <CABjd4YwVfrzxYKM4cAG=-fMbw9OcQGZD20CVCG8FvC8phDsw+Q@mail.gmail.com>
Date: Mon, 20 Oct 2025 12:19:51 +0400
From: Alexey Charkov <alchark@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: rockchip: Add DSI LCD display on rk3576-evb1

On Thu, Sep 25, 2025 at 12:38 AM Alexey Charkov <alchark@...il.com> wrote:
>
> Add support for the Rockchip W552793DBA-V10 LCD+touchscreen assembly which
> comes physically attached to Rockchip RK3576 EVB1 boards.
>
> The display part is driven by the on-chip MIPI DSI controller, and the
> touchscreen is connected over I2C.
>
> Signed-off-by: Alexey Charkov <alchark@...il.com>
> ---
> Note that backlight support is left out for now, as it depends on PWM
> support [0] which has not yet been merged.
>
> A workaround is simply `gpioset -c 0 13=1` to set the respective GPIO
> pin high and thus to light up the display unconditionally.
>
> [0] https://lore.kernel.org/lkml/20250602-rk3576-pwm-v2-0-a6434b0ce60c@collabora.com/
> ---
>  arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts | 89 ++++++++++++++++++++++++
>  1 file changed, 89 insertions(+)

Hi Heiko,

Any thoughts about this one? Can we perhaps get it merged for -next?

Thanks a lot,
Alexey