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| author | Nishanth Menon <nm@ti.com> | 2014-06-26 09:10:21 +0200 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-06-30 21:11:18 +0200 |
| commit | 64e0f8ba5cae74471f72e0cb218c67915e365f47 (patch) | |
| tree | d37a9eefd697f98912cb697858054cd5d2ba092c /Documentation | |
| parent | irqchip: crossbar: Check for premapped crossbar before allocating (diff) | |
| download | linux-64e0f8ba5cae74471f72e0cb218c67915e365f47.tar.xz linux-64e0f8ba5cae74471f72e0cb218c67915e365f47.zip | |
irqchip: crossbar: Introduce ti, irqs-skip to skip irqs that bypass crossbar
When, in the system due to varied reasons, interrupts might be unusable
due to hardware behavior, but register maps do exist, then those interrupts
should be skipped while mapping irq to crossbars.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Link: https://lkml.kernel.org/r/1403766634-18543-4-git-send-email-r.sricharan@ti.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/crossbar.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/crossbar.txt b/Documentation/devicetree/bindings/arm/omap/crossbar.txt index fb88585cfb93..079576573ec0 100644 --- a/Documentation/devicetree/bindings/arm/omap/crossbar.txt +++ b/Documentation/devicetree/bindings/arm/omap/crossbar.txt @@ -17,6 +17,11 @@ Required properties: so crossbar bar driver should not consider them as free lines. +Optional properties: +- ti,irqs-skip: This is similar to "ti,irqs-reserved", but these are for + SOC-specific hard-wiring of those irqs which unexpectedly bypasses the + crossbar. These irqs have a crossbar register, but still cannot be used. + Examples: crossbar_mpu: @4a020000 { compatible = "ti,irq-crossbar"; @@ -24,4 +29,5 @@ Examples: ti,max-irqs = <160>; ti,reg-size = <2>; ti,irqs-reserved = <0 1 2 3 5 6 131 132 139 140>; + ti,irqs-skip = <10 133 139 140>; }; |