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| author | Florian Fainelli <f.fainelli@gmail.com> | 2019-10-24 13:14:14 -0700 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2019-11-10 18:47:47 +0000 |
| commit | e14b5e5ff0841270e6262e3e5fd69ad764a80aee (patch) | |
| tree | 3e2e58667c4fd772e2dc66cc8fc22e31188f05b3 /Documentation/devicetree | |
| parent | 27eebb60357ed5aa6659442f92907c0f7368d6ae (diff) | |
| download | linux-e14b5e5ff0841270e6262e3e5fd69ad764a80aee.tar.bz2 | |
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 <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-5-f.fainelli@gmail.com
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt | 6 |
1 files changed, 6 insertions, 0 deletions
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 |