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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-01 11:23:29 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-01 11:23:29 (GMT) |
commit | 77d9ada23f207ec3d6258985c882f4fb653693f1 (patch) | |
tree | 84d28d876721d3063ff1b33ab4b16c86ceafb5a7 /Documentation | |
parent | 07f00f06ba9a5533d6650d46d3e938f6cbeee97e (diff) | |
parent | a68b216676e89fa959a23b583b56f9ce7df81b37 (diff) | |
download | linux-77d9ada23f207ec3d6258985c882f4fb653693f1.tar.xz |
Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jussi Brar:
"Broadcom:
- New PDC controller driver and bindings
Misc:
- PL320 - Convert from 'raw' IO to 'relaxed' version
- Test - fix dangling pointer"
* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: Fix format and type mismatches in Broadcom PDC driver
mailbox: Add Broadcom PDC mailbox driver
dt-bindings: add bindings documentation for PDC driver.
mailbox: pl320: remove __raw IO
mailbox: mailbox-test: set tdev->signal to NULL after freeing
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt new file mode 100644 index 0000000..411ccf4 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt @@ -0,0 +1,23 @@ +The PDC driver manages data transfer to and from various offload engines +on some Broadcom SoCs. An SoC may have multiple PDC hardware blocks. There is +one device tree entry per block. + +Required properties: +- compatible : Should be "brcm,iproc-pdc-mbox". +- reg: Should contain PDC registers location and length. +- interrupts: Should contain the IRQ line for the PDC. +- #mbox-cells: 1 +- brcm,rx-status-len: Length of metadata preceding received frames, in bytes. + +Optional properties: +- brcm,use-bcm-hdr: present if a BCM header precedes each frame. + +Example: + pdc0: iproc-pdc0@0x612c0000 { + compatible = "brcm,iproc-pdc-mbox"; + reg = <0 0x612c0000 0 0x445>; /* PDC FS0 regs */ + interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <1>; /* one cell per mailbox channel */ + brcm,rx-status-len = <32>; + brcm,use-bcm-hdr; + }; |