From 697f513c1a83f7f15052f5a2731339ed953dd4c8 Mon Sep 17 00:00:00 2001 From: Oliver O'Halloran Date: Tue, 29 May 2018 13:25:30 +1000 Subject: [PATCH] Document the reserved status We use this on Bare metal Power 8/9 systems to mark devices that are used by the OPAL firmware rather than being available to the operating system. Signed-off-by: Oliver O'Halloran --- source/devicetree-basics.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/source/devicetree-basics.rst b/source/devicetree-basics.rst index a7ea544..d7c4c1a 100644 --- a/source/devicetree-basics.rst +++ b/source/devicetree-basics.rst @@ -573,6 +573,10 @@ Description: Refer to the device binding for details on what disabled means for a given device. -------------- -------------------------------------------------------------- + ``"reserved"`` Indicates that the device is operational, but should not be + used. Typically this is used for devices that are controlled + by another software component, such as platform firmware. + -------------- -------------------------------------------------------------- ``"fail"`` Indicates that the device is not operational. A serious error was detected in the device, and it is unlikely to become operational without repair.