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authorMaxim Uvarov <maxim.uvarov@linaro.org>2021-01-28 12:00:11 +0000
committerPeter Maydell <peter.maydell@linaro.org>2021-01-29 10:47:28 +0000
commitdaa726d92604b72650d86ada01935e03a909d4dd (patch)
treec41278b7d427069f96789ed16fc319437e2f6993 /docs/system/arm
parente61bde40dd7f96b383cf582cc8a14ce1d8609fce (diff)
downloadfocaccia-qemu-daa726d92604b72650d86ada01935e03a909d4dd.tar.gz
focaccia-qemu-daa726d92604b72650d86ada01935e03a909d4dd.zip
arm-virt: add secure pl061 for reset/power down
Add secure pl061 for reset/power down machine from
the secure world (Arm Trusted Firmware). Connect it
with gpio-pwr driver.

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
[PMM: Added mention of the new device to the documentation]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs/system/arm')
-rw-r--r--docs/system/arm/virt.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/docs/system/arm/virt.rst b/docs/system/arm/virt.rst
index 32dc5eb22e..27652adfae 100644
--- a/docs/system/arm/virt.rst
+++ b/docs/system/arm/virt.rst
@@ -43,6 +43,8 @@ The virt board supports:
 - Secure-World-only devices if the CPU has TrustZone:
 
   - A second PL011 UART
+  - A second PL061 GPIO controller, with GPIO lines for triggering
+    a system reset or system poweroff
   - A secure flash memory
   - 16MB of secure RAM