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authorStephen Warren <swarren@nvidia.com>2016-05-13 21:50:29 (GMT)
committerSimon Glass <sjg@chromium.org>2016-05-27 02:48:31 (GMT)
commit6238935d018042d332aa7e90eae3addfeb11abdc (patch)
tree7a540c904e57691a459d144af393d361e340fc22 /arch/sandbox/dts/test.dts
parent11636258981a083957c19f3979796fde5e7e8080 (diff)
downloadu-boot-6238935d018042d332aa7e90eae3addfeb11abdc.tar.xz
Add a mailbox driver framework/uclass
A mailbox is a hardware mechanism for transferring small message and/or notifications between the CPU on which U-Boot runs and some other device such as an auxilliary CPU running firmware or a hardware module. This patch defines a standard API that connects mailbox clients to mailbox providers (drivers). Initially, DT is the only supported method for connecting the two. The DT binding specification (mailbox.txt) was taken from Linux kernel v4.5's Documentation/devicetree/bindings/mailbox/mailbox.txt. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
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