From 3e99dc26f6b8a7d8f2a08ec2d67d06fb9b3adb8d Mon Sep 17 00:00:00 2001
From: Guillaume Gautier <guillaume.gautier-ext@st.com>
Date: Tue, 11 Jun 2024 10:45:38 +0200
Subject: [PATCH] dts: bindings: flash_controller: add ncs line property to
 stm32 xspi flash

Add a property to define the nCS line used by the XSPI driver for the
external Flash.

Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>
---
 dts/bindings/flash_controller/st,stm32-xspi-nor.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dts/bindings/flash_controller/st,stm32-xspi-nor.yaml b/dts/bindings/flash_controller/st,stm32-xspi-nor.yaml
index f2ade8c7689c8c..7aee7040f6b083 100644
--- a/dts/bindings/flash_controller/st,stm32-xspi-nor.yaml
+++ b/dts/bindings/flash_controller/st,stm32-xspi-nor.yaml
@@ -51,3 +51,12 @@ properties:
     enum:
       - 1
       - 2
+
+  ncs-line:
+    type: int
+    default: 1
+    enum:
+      - 1
+      - 2
+    description: |
+      Specifies which nCS line of the XSPI IO Manager is connected to the Flash.