From: Florian Fainelli Date: Thu, 24 Oct 2019 20:14:14 +0000 (-0700) Subject: dt-bindings: Document brcm, int-fwd-mask property for bcm7038-l1-intc X-Git-Tag: v5.5-rc1~62^2^2~32 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e14b5e5ff0841270e6262e3e5fd69ad764a80aee;p=linux.git dt-bindings: Document brcm, int-fwd-mask property for bcm7038-l1-intc Indicate that the brcm,int-fwd-mask property is optional and can be set on platforms which require to leave specific interrupts unmanaged by Linux and need to retain the firmware configuration. Signed-off-by: Florian Fainelli Signed-off-by: Marc Zyngier Acked-by: Rob Herring Link: https://lore.kernel.org/r/20191024201415.23454-5-f.fainelli@gmail.com --- diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt index 4eb043270f5b..5ddef1dc0c1a 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt @@ -36,6 +36,12 @@ Optional properties: - brcm,irq-can-wake: If present, this means the L1 controller can be used as a wakeup source for system suspend/resume. +Optional properties: + +- brcm,int-fwd-mask: if present, a bit mask to indicate which interrupts + have already been configured by the firmware and should be left unmanaged. + This should have one 32-bit word per status/set/clear/mask group. + If multiple reg ranges and interrupt-parent entries are present on an SMP system, the driver will allow IRQ SMP affinity to be set up through the /proc/irq/ interface. In the simplest possible configuration, only one