ARM: dts: imx6qdl-nitrogen6x: Add SPI NOR partitions

This adds the partitions definition for the SPI NOR to provide
backward compatibility with the documented[1] layout used with
Boundary Devices BSP.

1. https://boundarydevices.com/boot-flash-access-linux/

It exports to Linux:

 mtd0: bootloader
 mtd1: env
 mtd2: splash

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
index 4bdf291..919b6b7 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
@@ -276,6 +276,23 @@
                compatible = "sst,sst25vf016b", "jedec,spi-nor";
                spi-max-frequency = <20000000>;
                reg = <0>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               partition@0 {
+                       label = "bootloader";
+                       reg = <0x0 0xc0000>;
+               };
+
+               partition@c0000 {
+                       label = "env";
+                       reg = <0xc0000 0x2000>;
+               };
+
+               partition@c2000 {
+                       label = "splash";
+                       reg = <0xc2000 0x13e000>;
+               };
        };
 };