arm64: dts: hikey: Add hikey support for syscon-reboot-mode

[cascardo/linux.git] / arch / arm64 / boot / dts / hisilicon / hi6220-hikey.dts

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index bdf9310..49d53ff 100644 (file)
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -29,6 +29,7 @@
         * Reserve below regions from memory node:
         *
         *  0x05e0,0000 - 0x05ef,ffff: MCU firmware runtime using
+        *  0x05f0,1000 - 0x05f0,1fff: Reboot reason
         *  0x06df,f000 - 0x06df,ffff: Mailbox message data
         *  0x0740,f000 - 0x0740,ffff: MCU firmware section
         *  0x3e00,0000 - 0x3fff,ffff: OP-TEE
@@ -36,11 +37,26 @@
        memory@0 {
                device_type = "memory";
                reg = <0x00000000 0x00000000 0x00000000 0x05e00000>,
-                     <0x00000000 0x05f00000 0x00000000 0x00eff000>,
+                     <0x00000000 0x05f00000 0x00000000 0x00001000>,
+                     <0x00000000 0x05f02000 0x00000000 0x00efd000>,
                      <0x00000000 0x06e00000 0x00000000 0x0060f000>,
                      <0x00000000 0x07410000 0x00000000 0x36bf0000>;
        };
 
+       reboot-mode-syscon@5f01000 {
+               compatible = "syscon", "simple-mfd";
+               reg = <0x0 0x05f01000 0x0 0x00001000>;
+
+               reboot-mode {
+                       compatible = "syscon-reboot-mode";
+                       offset = <0x0>;
+
+                       mode-normal     = <0x77665501>;
+                       mode-bootloader = <0x77665500>;
+                       mode-recovery   = <0x77665502>;
+               };
+       };
+
        soc {
                spi0: spi@f7106000 {
                        status = "ok";