linux-kernel - [PATCH 1/1] dt-bindings: soc: imx: add fsl,aips and fsl,emi compatible strings

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Message-Id: <20260201011913.2419626-1-Frank.Li@nxp.com>
Date: Sat, 31 Jan 2026 20:19:13 -0500
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH 1/1] dt-bindings: soc: imx: add fsl,aips and fsl,emi compatible strings

Add the fsl,aips and fsl,emi compatible strings for legacy i.MX3 SoCs
(over 15 years old).

Signed-off-by: Frank Li <Frank.Li@....com>
---
 .../devicetree/bindings/bus/fsl,spba-bus.yaml      | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
index d42dbb0bbc2ea..00bbde203f598 100644
--- a/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
+++ b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
@@ -19,21 +19,29 @@ description: |
   the SDMA can access.  There are no special clocks for the bus, because
   the SDMA controller itself has its interrupt and clock assignments.
 
+  EMI (External Memory Interface) for legacy i.MX35.
+
 select:
   properties:
     compatible:
       contains:
-        const: fsl,spba-bus
+        enum:
+          - fsl,aips
+          - fsl,emi
+          - fsl,spba-bus
   required:
     - compatible
 
 properties:
   $nodename:
-    pattern: "^spba-bus(@[0-9a-f]+)?$"
+    pattern: "^((spba|emi)-bus|bus)(@[0-9a-f]+)?$"
 
   compatible:
     items:
-      - const: fsl,spba-bus
+      - enum:
+          - fsl,aips
+          - fsl,emi
+          - fsl,spba-bus
       - const: simple-bus
 
   '#address-cells':
-- 
2.34.1