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authorBenjamin Gaignard <benjamin.gaignard@linaro.org>2016-07-29 09:38:55 +0200
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>2016-07-29 09:38:55 +0200
commit62c2cd0f49333a2bb53602ec23039ca99a19cb9d (patch)
tree82ce682c6902ebe63275a60bdc3d406b26f09c84 /Documentation/devicetree/bindings/media/s5p-mfc.txt
parentdrm: aux ->transfer() can return 0, deal with it (diff)
parent[media] v4l: vsp1: wpf: Add flipping support (diff)
downloadlinux-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.txt39
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>;
};