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author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-04-11 19:21:06 +0200 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-04-11 19:25:13 +0200 |
commit | 39702853197b191bda32315260255053aa3e57f7 (patch) | |
tree | 00185427bd7c5e6a335c9ea99ed7ee65b9ceaa9c /Documentation/devicetree/bindings/remoteproc/st-rproc.txt | |
parent | drm/i915: Avoid allocating a vmap arena for a single page (diff) | |
parent | Linux 4.6-rc3 (diff) | |
download | linux-39702853197b191bda32315260255053aa3e57f7.tar.xz linux-39702853197b191bda32315260255053aa3e57f7.zip |
Merge tag 'v4.6-rc3' into drm-intel-next-queued
Linux 4.6-rc3
Backmerge requested by Chris Wilson to make his patches apply cleanly.
Tiny conflict in vmalloc.c with the (properly acked and all) patch in
drm-intel-next:
commit 4da56b99d99e5a7df2b7f11e87bfea935f909732
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon Apr 4 14:46:42 2016 +0100
mm/vmap: Add a notifier for when we run out of vmap address space
and Linus' tree.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'Documentation/devicetree/bindings/remoteproc/st-rproc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/st-rproc.txt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt new file mode 100644 index 000000000000..1031bcd90a79 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt @@ -0,0 +1,41 @@ +STMicroelectronics Co-Processor Bindings +---------------------------------------- + +This binding provides support for adjunct processors found on ST SoCs. + +Co-processors can be controlled from the bootloader or the primary OS. If +the bootloader starts a co-processor, the primary OS must detect its state +and act accordingly. + +Required properties: +- compatible Should be one of: + "st,st231-rproc" + "st,st40-rproc" +- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt) +- resets Reset lines (See: ../reset/reset.txt) +- reset-names Must be "sw_reset" and "pwr_reset" +- clocks Clock for co-processor (See: ../clock/clock-bindings.txt) +- clock-frequency Clock frequency to set co-processor at if the bootloader + hasn't already done so +- st,syscfg System configuration register which holds the boot vector + for the co-processor + 1st cell: Phandle to syscon block + 2nd cell: Boot vector register offset + +Example: + + audio_reserved: rproc@42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + st231-audio { + compatible = "st,st231-rproc"; + memory-region = <&audio_reserved>; + resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; + reset-names = "sw_reset"; + clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; + clock-frequency = <600000000>; + st,syscfg = <&syscfg_core 0x228>; + }; |