Re: [PATCH v2 0/4] ARM: tegra: lg-x3: add missing nodes

From: Thierry Reding

Date: Fri Mar 27 2026 - 11:08:22 EST


On Mon, Jan 26, 2026 at 12:10:14PM +0200, Svyatoslav Ryhel wrote:
> With the recent kernel updates, Tegra30-based LG smartphones now support
> several additional features, including an RGB-DSI bridge, DSI panels,
> MUIC, a charger, a battery temperature sensor, OTG mode, and capacitive
> buttons on the P895. Add required nodes to device trees.
>
> ---
> Changes in v2:
> - fixed dw9714 and tx13d100vm0eaa nodes
> - added video device pipes graph
>
> Regarding CHECK_DTBS output in v2:
> - nvidia,tegra30-pcie, nvidia,tegra30-gmi, nvidia,tegra30-kbc,
> nvidia,tegra20-kbc, nvidia,tegra30-ahub are not documented yet
> - nvidia,tegra30-vi was adjusted and applied, change did not apper yet
> (https://lore.kernel.org/lkml/176860988748.1688420.11717122647073678.b4-ty@xxxxxxxxxx/)
> - st,m24c08 appers undocumented though it seems to be different from
> st,24c08, at least they google as separate devices. atmel,24c08 is not
> documented, though it is widey used in linux device trees and is
> supported by driver. Here is one of examples:
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm/boot/dts/allwinner/sun7i-a20-linutronix-testbox-v2.dts?h=next-20260123#n33
> - onnn,mt9m114 does not have 'orientation' property, though it should
> include it since it is generic for camera devices
> - ti,lp8720 and maxim,max77663 have txt documentation and are not yet
> converted to DT schema
> - backlight in panel nodes was not added since lm3533 has no DT support
> - missing '#io-channel-cells' in ti,tsc2007 addressed in
> https://lore.kernel.org/lkml/20260122193549.29858-2-clamor95@xxxxxxxxx/
> - missing dsi controller properties of ssd2825 addressed in
> https://lore.kernel.org/lkml/20260123073411.7736-2-clamor95@xxxxxxxxx/
> - missing '#io-channel-cells' in generic-adc-thermal was proposed in but rejected
> https://lore.kernel.org/lkml/20250310075638.6979-2-clamor95@xxxxxxxxx/
> ---
>
> Svyatoslav Ryhel (4):
> ARM: tegra: lg-x3: add panel and bridge nodes
> ARM: tegra: lg-x3: add USB and power related nodes
> ARM: tegra: lg-x3: add node for capacitive buttons
> ARM: tegra: lg-x3: complete video device graph
>
> arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts | 39 +++
> arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts | 79 +++++
> arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi | 328 ++++++++++++++++++-
> 3 files changed, 429 insertions(+), 17 deletions(-)

Patches 1-3 applied. Patch 4 has checkpatch has checkpatch warnings:

WARNING: DT compatible string "st,m24c08" appears un-documented -- check ./Documentation/devicetree/bindings/
#255: FILE: arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi:1243:
+ compatible = "st,m24c08", "atmel,24c08";

So I've left it out for now.

Thierry

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