linux-kernel - Re: [PATCH v6 6/6] arm64: dts: mediatek: add display support for mt8365-evk

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Message-ID: <4c0561dfe414720c979058802cc2930c9d0c08fb.camel@collabora.com>
Date: Thu, 09 Jan 2025 12:17:44 +0100
From: Sjoerd Simons <sjoerd@...labora.com>
To: Alexandre Mergnat <amergnat@...libre.com>, Chun-Kuang Hu	
 <chunkuang.hu@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, Maarten
 Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard
 <mripard@...nel.org>, Thomas Zimmermann	 <tzimmermann@...e.de>, David
 Airlie <airlied@...il.com>, Rob Herring	 <robh@...nel.org>, Krzysztof
 Kozlowski <krzk+dt@...nel.org>, Conor Dooley	 <conor+dt@...nel.org>,
 Matthias Brugger <matthias.bgg@...il.com>,  AngeloGioacchino Del Regno
 <angelogioacchino.delregno@...labora.com>, Jitao Shi
 <jitao.shi@...iatek.com>, CK Hu <ck.hu@...iatek.com>,  Catalin Marinas
 <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Simona Vetter
 <simona@...ll.ch>,  Simona Vetter <simona.vetter@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v6 6/6] arm64: dts: mediatek: add display support for
 mt8365-evk

On Thu, 2025-01-09 at 11:37 +0100, Alexandre Mergnat wrote:
> MIPI DSI:
> - Add "vsys_lcm_reg" regulator support and setup the
> "mt6357_vsim1_reg",
> to power the pannel plugged to the DSI connector.
> - Setup the Display Parallel Interface.
>   - Add the startek kd070fhfid015 pannel support.
> 
> HDMI:
> - Add HDMI connector support.
> - Add the "ite,it66121" HDMI bridge support, driven by I2C1.
> - Setup the Display Parallel Interface.
> 
> Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 236
> ++++++++++++++++++++++++++++
>  1 file changed, 236 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> index 7d90112a7e27..70bd49a9d02f 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> [...]
> @@ -131,6 +156,88 @@ &cpu3 {
>  	sram-supply = <&mt6357_vsram_proc_reg>;
>  };
>  
> +&dither0_out {
> +	remote-endpoint = <&dsi0_in>;
> +};
> +
> +&dpi0 {
> +	pinctrl-0 = <&dpi_default_pins>;
> +	pinctrl-1 = <&dpi_idle_pins>;
> +	pinctrl-names = "default", "sleep";

Would be good to document that these pins clash with ethernet support,
similar to what is done in the ethernet node.  Also some notes on what
nodes to enable/disable when selecting either ethernet or hdmi output
would be appreciated :)


-- 
Sjoerd Simons <sjoerd@...labora.com>
Collabora