From 54a714a61de6efbeba8460aa005419713e2c8430 Mon Sep 17 00:00:00 2001
From: Tom Chang <CHChang19@nuvoton.com>
Date: Fri, 27 Sep 2024 17:35:11 +0800
Subject: [PATCH] dts: flash: npcx: add property for SPI device size

This commit adds two properties. One is used to set size of the low
flash device and the other is used to select the low flash device. Then,
the eSPI TAF request can access between two flash devices base on this
setting.

Signed-off-by: Tom Chang <CHChang19@nuvoton.com>
---
 .../flash_controller/nuvoton,npcx-fiu-nor.yaml     | 14 ++++++++++++++
 .../flash_controller/nuvoton,npcx-fiu-qspi.yaml    |  4 ++++
 2 files changed, 18 insertions(+)

diff --git a/dts/bindings/flash_controller/nuvoton,npcx-fiu-nor.yaml b/dts/bindings/flash_controller/nuvoton,npcx-fiu-nor.yaml
index 86c8e57a362..48be99535c0 100644
--- a/dts/bindings/flash_controller/nuvoton,npcx-fiu-nor.yaml
+++ b/dts/bindings/flash_controller/nuvoton,npcx-fiu-nor.yaml
@@ -47,3 +47,17 @@ properties:
       - "NPCX_RD_MODE_NORMAL" # Direct read access by command code 03h
       - "NPCX_RD_MODE_FAST" # Direct read access by command code 0bh
       - "NPCX_RD_MODE_FAST_DUAL" # Direct read access by command code bbh
+  spi-dev-size:
+    type: string
+    description: |
+      Select the size of the address space allocated for SPI device. This affects
+      the address space for any direct flash access.
+    enum:
+      - "NPCX_SPI_DEV_SIZE_1M"
+      - "NPCX_SPI_DEV_SIZE_2M"
+      - "NPCX_SPI_DEV_SIZE_4M"
+      - "NPCX_SPI_DEV_SIZE_8M"
+      - "NPCX_SPI_DEV_SIZE_16M"
+      - "NPCX_SPI_DEV_SIZE_32M"
+      - "NPCX_SPI_DEV_SIZE_64M"
+      - "NPCX_SPI_DEV_SIZE_128M"
diff --git a/dts/bindings/flash_controller/nuvoton,npcx-fiu-qspi.yaml b/dts/bindings/flash_controller/nuvoton,npcx-fiu-qspi.yaml
index 3e8627faf23..23504268e1a 100644
--- a/dts/bindings/flash_controller/nuvoton,npcx-fiu-qspi.yaml
+++ b/dts/bindings/flash_controller/nuvoton,npcx-fiu-qspi.yaml
@@ -38,3 +38,7 @@ properties:
     type: boolean
     description: |
       Two external SPI devices are supported for Direct Read Access (DRA) on QSPI bus.
+  flash-dev-inv:
+    type: boolean
+    description: |
+      Inverse the device connected to the base address.