ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl

MTD flash stores u-boot and u-boot environment on linkstation lswtgl.
The latter one can be easily read/write by u-boot-tools package in Debian.

Fixes: dc57844a736f ("ARM: dts: orion5x: add buffalo linkstation ls-wtgl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

diff --git a/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts b/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
index 4207882..aae8a7a 100644 (file)
--- a/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
+++ b/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
@@ -228,6 +228,37 @@
        };
 };
 
+&devbus_bootcs {
+       status = "okay";
+       devbus,keep-config;
+
+       flash@0 {
+               compatible = "jedec-flash";
+               reg = <0 0x40000>;
+               bank-width = <1>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       header@0 {
+                               reg = <0 0x30000>;
+                               read-only;
+                       };
+
+                       uboot@30000 {
+                               reg = <0x30000 0xF000>;
+                               read-only;
+                       };
+
+                       uboot_env@3F000 {
+                               reg = <0x3F000 0x1000>;
+                       };
+               };
+       };
+};
+
 &mdio {
        status = "okay";