ARM64: juno: disable NOR flash node by default

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / boot / dts / arm / juno-motherboard.dtsi

diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
index 637e046f0e367dd23fbe391dc1542dd97a315504..8c029ee2a5b5b5360e66d99d4948627fb26e7417 100644 (file)
--- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
@@ -103,6 +103,21 @@
                                };
                        };
 
+                       flash@0,00000000 {
+                               /* 2 * 32MiB NOR Flash memory mounted on CS0 */
+                               compatible = "arm,vexpress-flash", "cfi-flash";
+                               linux,part-probe = "afs";
+                               reg = <0 0x00000000 0x04000000>;
+                               bank-width = <4>;
+                               /*
+                                * Unfortunately, accessing the flash disturbs
+                                * the CPU idle states (suspend) and CPU
+                                * hotplug of the platform. For this reason,
+                                * flash hardware access is disabled by default.
+                                */
+                               status = "disabled";
+                       };
+
                        ethernet@2,00000000 {
                                compatible = "smsc,lan9118", "smsc,lan9115";
                                reg = <2 0x00000000 0x10000>;