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[2/2] arm: dts: nsp: Add syscon based reboot in DT

Message ID 1467151833-20767-3-git-send-email-jon.mason@broadcom.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jon Mason June 28, 2016, 10:10 p.m. UTC 
From: Jon Mason <jonmason@broadcom.com>

Add the ability to reboot via a reset of the processor.  This is
achieved via a write of 0x2f9 to the CRU Reset Register.  Unfortunately,
this only resets the core and not the other IP blocks.  So if possible,
other methods should be used on the individual boards.

Signed-off-by: Jon Mason <jonmason@broadcom.com>
---
 arch/arm/boot/dts/bcm-nsp.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index 1759e65..d56166b 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -266,6 +266,18 @@ 
 			      <0x30028 0x04>,
 			      <0x3f408 0x04>;
 		};
+
+		cru: system-controller@3f184 {
+			compatible = "brcm,nsp-cru", "syscon";
+			reg = <0x3f184 0x4>;
+		};
+
+		reboot: reboot@3f184 {
+			compatible ="syscon-reboot";
+			regmap = <&cru>;
+			offset = <0>;
+			mask = <0x2f9>;
+		};
 	};
 
 	pcie0: pcie@18012000 {