linux-kernel - [PATCH 1/2] dt-bindings: arm: fsl: add TQMa91xxLA SOM

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Message-ID: <20250828094745.3733533-2-alexander.stein@ew.tq-group.com>
Date: Thu, 28 Aug 2025 11:47:42 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux@...tq-group.com
Subject: [PATCH 1/2] dt-bindings: arm: fsl: add TQMa91xxLA SOM

TQMa91xxLA is a SOM variant in the TQ-Systems GmbH TQMa91xx series using
NXP i.MX91 CPU on an LGA type board.
MBa91xxCA is a starterkit base board for TQMa91xxLA on an adapter board.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 Documentation/devicetree/bindings/arm/fsl.yaml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index ebafa6ecbcb64..0843c5e9275be 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -1433,6 +1433,24 @@ properties:
               - fsl,imxrt1170-evk         # i.MXRT1170 EVK Board
           - const: fsl,imxrt1170
 
+      - description:
+          TQMa91xxLA and TQMa91xxCA are two series of feature compatible SOM
+          using NXP i.MX91 SOC in 11x11 mm package.
+          TQMa91xxLA is designed to be soldered on different carrier boards.
+          TQMa91xxCA is a compatible variant using board to board connectors.
+          All SOM and CPU variants use the same device tree hence only one
+          compatible is needed. Bootloader disables all features not present
+          in the assembled SOC.
+          MBa91xxCA mainboard can be used as starterkit for the SOM
+          soldered on an adapter board or for the connector variant
+          MBa91xxLA mainboard is a single board computer using the solderable
+          SOM variant
+        items:
+          - enum:
+              - tq,imx91-tqma9131-mba91xxca # TQ-Systems GmbH i.MX91 TQMa91xxCA/LA SOM on MBa91xxCA
+          - const: tq,imx91-tqma9131        # TQ-Systems GmbH i.MX91 TQMa91xxCA/LA SOM
+          - const: fsl,imx91
+
       - description:
           TQMa93xxLA and TQMa93xxCA are two series of feature compatible SOM
           using NXP i.MX93 SOC in 11x11 mm package.
-- 
2.43.0