To reset NS2, we simply have to write '0' to BIT[1] at offset 0x90
of CRMU space.
The above can be easily achieved by writing 0xfffffffd at offset 0x90
using syscon-reboot driver. We don't need to have separate driver for
rebooting NS2.
This patch enables syscon-reboot driver for NS2 using DT.
Signed-off-by: Anup Patel <anup.patel@xxxxxxxxxxxx>
Reviewed-by: Ray Jui <rjui@xxxxxxxxxxxx>
Reviewed-by: Scott Branden <sbranden@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/broadcom/ns2.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index c5d90e4..5d2ac6b 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -144,6 +144,18 @@
mmu-masters;
};
+ crmu: crmu@65024000 {
+ compatible = "syscon";
+ reg = <0x65024000 0x100>;
+ };
+
+ reboot@65024000 {
+ compatible ="syscon-reboot";
+ regmap = <&crmu>;
+ offset = <0x90>;
+ mask = <0xfffffffd>;
+ };
+
gic: interrupt-controller@65210000 {
compatible = "arm,gic-400";
#interrupt-cells = <3>;
--
1.9.1
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