Re: [PATCH v2 1/2] arm64: dts: qcom: shikra-iqs-evk: Add LT9611UXD HDMI bridge support

[Mohit Dsor <mohit.dsor@oss.qualcomm.com>]

On Fri, Jul 17, 2026 at 11:17:10AM +0200, Konrad Dybcio wrote:
> On 7/16/26 9:30 PM, mohit.dsor@oss.qualcomm.com wrote:
> > From: Mohit Dsor <mdsor@oss.qualcomm.com>
> > 
> > Enable the Shikra MDSS display subsystem on the Qualcomm Shikra IQS
> > EVK board and add the Lontium LT9611UXD DSI-to-HDMI bridge node.
> > 
> > The LT9611UXD is connected via I2C (bus 4, address 0x41), powered by
> > a GPIO-controlled 3.3V regulator (PM8150 GPIO4) and an always-on 1.8V
> > rail. Reset is on GPIO76 and interrupt on GPIO85.
> > 
> > The bridge receives DSI output from MDSS and drives an HDMI-A
> > connector, with the link wired as: DPU -> DSI0 -> LT9611UXD -> HDMI.
> > 
> > Signed-off-by: Mohit Dsor <mohit.dsor@oss.qualcomm.com>
> > ---
> 
> Does the other EVK not have this same hardware?
Yes other variants have this hardware but only IQS variant has
DS-HDMI as default, others have DLC panel as default.
> 
> [...]
> 
> > +&pm8150_l11 {
> > +	/* DSI VDDA - must be at NOM voltage for PHY PLL lock */
> 
> This comment is superfluous
This comment will be removed in next revision.
> 
> Konrad