openwrt/target/linux/generic/pending-4.19/496-dt-bindings-add-bindings-for-mtd-concat-devices.patch
Hauke Mehrtens 52a82ce3dd kernel: Copy patches from kernel 4.14 to 4.19
This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 12:50:06 +01:00

53 lines
1.1 KiB
Diff

From 5734c6669fba7ddb5ef491ccff7159d15dba0b59 Mon Sep 17 00:00:00 2001
From: Bernhard Frauendienst <kernel@nospam.obeliks.de>
Date: Wed, 5 Sep 2018 01:32:51 +0200
Subject: [PATCH 496/497] dt-bindings: add bindings for mtd-concat devices
Document virtual mtd-concat device bindings.
Signed-off-by: Bernhard Frauendienst <kernel@nospam.obeliks.de>
---
.../devicetree/bindings/mtd/mtd-concat.txt | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/mtd-concat.txt
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/mtd-concat.txt
@@ -0,0 +1,36 @@
+Virtual MTD concat device
+
+Requires properties:
+- devices: list of phandles to mtd nodes that should be concatenated
+
+Example:
+
+&spi {
+ flash0: flash@0 {
+ ...
+ };
+ flash1: flash@1 {
+ ...
+ };
+};
+
+flash {
+ compatible = "mtd-concat";
+
+ devices = <&flash0 &flash1>;
+
+ partitions {
+ compatible = "fixed-partitions";
+
+ partition@0 {
+ label = "boot";
+ reg = <0x0000000 0x0040000>;
+ read-only;
+ };
+
+ partition@40000 {
+ label = "firmware";
+ reg = <0x0040000 0x1fc0000>;
+ };
+ }
+}