From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/Documentation/devicetree/bindings/mtd/mtd-physmap.txt | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/kernel/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/kernel/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
index 232fa12..c69f4f0 100644
--- a/kernel/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
+++ b/kernel/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
@@ -29,6 +29,8 @@
- use-advanced-sector-protection: boolean to enable support for the
advanced sector protection (Spansion: PPB - Persistent Protection
Bits) locking.
+ - addr-gpios : (optional) List of GPIO descriptors that will be used to
+ address the MSBs address lines. The order goes from LSB to MSB.
For JEDEC compatible devices, the following additional properties
are defined:
@@ -94,3 +96,19 @@
bank-width = <2>;
};
+An example using gpio-addrs
+
+ flash@20000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash", "jedec-flash";
+ reg = <0x20000000 0x02000000>;
+ ranges = <0 0x00000000 0x02000000
+ 1 0x02000000 0x02000000>;
+ bank-width = <2>;
+ addr-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+ partition@0 {
+ label = "test-part1";
+ reg = <0 0x04000000>;
+ };
+ };
--
Gitblit v1.6.2