On 14 May 2016 at 13:33, Simon Glass <s...@chromium.org> wrote: > On 13 May 2016 at 15:50, Stephen Warren <swar...@wwwdotorg.org> wrote: >> From: Stephen Warren <swar...@nvidia.com> >> >> 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 <swar...@nvidia.com> >> --- >> v2: >> * Use timer_get_us() rather than get_ticks() and conversion code. >> * Explicitly mention that mailbox messages are fixed size. >> * Spell out IPC. >> * Fix typos. >> >> I'll send a sandbox test for this as a separate patch. >> >> doc/device-tree-bindings/mailbox/mailbox.txt | 32 ++++++ >> drivers/Kconfig | 2 + >> drivers/Makefile | 1 + >> drivers/mailbox/Kconfig | 13 +++ >> drivers/mailbox/Makefile | 5 + >> drivers/mailbox/mailbox-uclass.c | 145 >> ++++++++++++++++++++++++++ >> include/dm/uclass-id.h | 1 + >> include/mailbox_client.h | 149 >> +++++++++++++++++++++++++++ >> include/mailbox_uclass.h | 83 +++++++++++++++ >> 9 files changed, 431 insertions(+) >> create mode 100644 doc/device-tree-bindings/mailbox/mailbox.txt >> create mode 100644 drivers/mailbox/Kconfig >> create mode 100644 drivers/mailbox/Makefile >> create mode 100644 drivers/mailbox/mailbox-uclass.c >> create mode 100644 include/mailbox_client.h >> create mode 100644 include/mailbox_uclass.h > > Acked-by: Simon Glass <s...@chromium.org>
Applied to u-boot-dm, thanks! _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
