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author | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2016-07-29 09:38:55 +0200 |
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committer | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2016-07-29 09:38:55 +0200 |
commit | 62c2cd0f49333a2bb53602ec23039ca99a19cb9d (patch) | |
tree | 82ce682c6902ebe63275a60bdc3d406b26f09c84 /Documentation/devicetree/bindings/media/s5p-mfc.txt | |
parent | drm: aux ->transfer() can return 0, deal with it (diff) | |
parent | [media] v4l: vsp1: wpf: Add flipping support (diff) | |
download | linux-62c2cd0f49333a2bb53602ec23039ca99a19cb9d.tar.xz linux-62c2cd0f49333a2bb53602ec23039ca99a19cb9d.zip |
Merge remote-tracking branch 'media_tree/vsp1' into generic-zpos-v8
Diffstat (limited to 'Documentation/devicetree/bindings/media/s5p-mfc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/media/s5p-mfc.txt | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt index 2d5787eac91a..92c94f5ecbf1 100644 --- a/Documentation/devicetree/bindings/media/s5p-mfc.txt +++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt @@ -21,15 +21,18 @@ Required properties: - clock-names : from common clock binding: must contain "mfc", corresponding to entry in the clocks property. - - samsung,mfc-r : Base address of the first memory bank used by MFC - for DMA contiguous memory allocation and its size. - - - samsung,mfc-l : Base address of the second memory bank used by MFC - for DMA contiguous memory allocation and its size. - Optional properties: - power-domains : power-domain property defined with a phandle to respective power domain. + - memory-region : from reserved memory binding: phandles to two reserved + memory regions, first is for "left" mfc memory bus interfaces, + second if for the "right" mfc memory bus, used when no SYSMMU + support is available + +Obsolete properties: + - samsung,mfc-r, samsung,mfc-l : support removed, please use memory-region + property instead + Example: SoC specific DT entry: @@ -43,9 +46,29 @@ mfc: codec@13400000 { clock-names = "mfc"; }; +Reserved memory specific DT entry for given board (see reserved memory binding +for more information): + +reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + mfc_left: region@51000000 { + compatible = "shared-dma-pool"; + no-map; + reg = <0x51000000 0x800000>; + }; + + mfc_right: region@43000000 { + compatible = "shared-dma-pool"; + no-map; + reg = <0x43000000 0x800000>; + }; +}; + Board specific DT entry: codec@13400000 { - samsung,mfc-r = <0x43000000 0x800000>; - samsung,mfc-l = <0x51000000 0x800000>; + memory-region = <&mfc_left>, <&mfc_right>; }; |