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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2014-04-08 13:39:59 -0300 |
|---|---|---|
| committer | Stephane Desneux <stephane.desneux@open.eurogiciel.org> | 2015-02-04 11:14:46 +0100 |
| commit | 86f480b1d548d8a4312983827649fc1af8bef86e (patch) | |
| tree | 5b1598c4ad0ffd61247f01803d7dff7fbb987a14 /Documentation | |
| parent | e123ad0cd744dab1ef8a85b12554b3e24b694be1 (diff) | |
| download | linux-stable-86f480b1d548d8a4312983827649fc1af8bef86e.tar.gz linux-stable-86f480b1d548d8a4312983827649fc1af8bef86e.tar.bz2 linux-stable-86f480b1d548d8a4312983827649fc1af8bef86e.zip | |
v4l: vsp1: Add DT bindings documentation
All parameters supplied through platform data can now be passed through
the device tree.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
(cherry picked from commit 34d1cbdafd5b27bc06f47f557e0581b7b85d6f07)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/media/renesas,vsp1.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/renesas,vsp1.txt b/Documentation/devicetree/bindings/media/renesas,vsp1.txt new file mode 100644 index 000000000000..87fe08abf36d --- /dev/null +++ b/Documentation/devicetree/bindings/media/renesas,vsp1.txt @@ -0,0 +1,43 @@ +* Renesas VSP1 Video Processing Engine + +The VSP1 is a video processing engine that supports up-/down-scaling, alpha +blending, color space conversion and various other image processing features. +It can be found in the Renesas R-Car second generation SoCs. + +Required properties: + + - compatible: Must contain "renesas,vsp1" + + - reg: Base address and length of the registers block for the VSP1. + - interrupts: VSP1 interrupt specifier. + - clocks: A phandle + clock-specifier pair for the VSP1 functional clock. + + - renesas,#rpf: Number of Read Pixel Formatter (RPF) modules in the VSP1. + - renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1. + - renesas,#wpf: Number of Write Pixel Formatter (WPF) modules in the VSP1. + + +Optional properties: + + - renesas,has-lif: Boolean, indicates that the LCD Interface (LIF) module is + available. + - renesas,has-lut: Boolean, indicates that the Look Up Table (LUT) module is + available. + - renesas,has-sru: Boolean, indicates that the Super Resolution Unit (SRU) + module is available. + + +Example: R8A7790 (R-Car H2) VSP1-S node + + vsp1@fe928000 { + compatible = "renesas,vsp1"; + reg = <0 0xfe928000 0 0x8000>; + interrupts = <0 267 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp1_clks R8A7790_CLK_VSP1_S>; + + renesas,has-lut; + renesas,has-sru; + renesas,#rpf = <5>; + renesas,#uds = <3>; + renesas,#wpf = <4>; + }; |