| Message ID | 1535576973-8067-4-git-send-email-eajames@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: platform: Add Aspeed Video Engine driver | expand |
On Wed, Aug 29, 2018 at 04:09:32PM -0500, Eddie James wrote: > Document the bindings. > > Signed-off-by: Eddie James <eajames@linux.vnet.ibm.com> > --- > .../devicetree/bindings/media/aspeed-video.txt | 23 ++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/aspeed-video.txt > > diff --git a/Documentation/devicetree/bindings/media/aspeed-video.txt b/Documentation/devicetree/bindings/media/aspeed-video.txt > new file mode 100644 > index 0000000..58c056a > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/aspeed-video.txt > @@ -0,0 +1,23 @@ > +* Device tree bindings for Aspeed Video Engine > + > +The Video Engine (VE) embedded in the Aspeed AST2400 and AST2500 SOCs can > +capture and compress video data from digital or analog sources. > + > +Required properties: > + - compatible: "aspeed,ast2400-video" or "aspeed,ast2500-video" Maybe "video-engine" or "ve" would be more specific than just "video". Use what is closest to the name of the block. > + - reg: contains the offset and length of the VE memory region > + - clocks: pointers to the the "vclk" and "eclk" of the syscon No pointers in DT. "Clock specifier" > + - clock-names: "vclk-gate", "eclk-gate" Is that the name at or in the module? The fact that it is gated is really outside the block and a property of the clock controller. > + - resets: pointer to the VE reset of the syscon > + - interrupts: the interrupt associated with the VE on this platform > + > +Example: > + > +video: video@1e700000 { video-codec@... > + compatible = "aspeed,ast2500-video"; > + reg = <0x1e700000 0x20000>; > + clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>; > + clock-names = "vclk-gate", "eclk-gate"; > + resets = <&syscon ASPEED_RESET_VIDEO>; > + interrupts = <7>; > +}; > -- > 1.8.3.1 >
diff --git a/Documentation/devicetree/bindings/media/aspeed-video.txt b/Documentation/devicetree/bindings/media/aspeed-video.txt new file mode 100644 index 0000000..58c056a --- /dev/null +++ b/Documentation/devicetree/bindings/media/aspeed-video.txt @@ -0,0 +1,23 @@ +* Device tree bindings for Aspeed Video Engine + +The Video Engine (VE) embedded in the Aspeed AST2400 and AST2500 SOCs can +capture and compress video data from digital or analog sources. + +Required properties: + - compatible: "aspeed,ast2400-video" or "aspeed,ast2500-video" + - reg: contains the offset and length of the VE memory region + - clocks: pointers to the the "vclk" and "eclk" of the syscon + - clock-names: "vclk-gate", "eclk-gate" + - resets: pointer to the VE reset of the syscon + - interrupts: the interrupt associated with the VE on this platform + +Example: + +video: video@1e700000 { + compatible = "aspeed,ast2500-video"; + reg = <0x1e700000 0x20000>; + clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>; + clock-names = "vclk-gate", "eclk-gate"; + resets = <&syscon ASPEED_RESET_VIDEO>; + interrupts = <7>; +};
Document the bindings. Signed-off-by: Eddie James <eajames@linux.vnet.ibm.com> --- .../devicetree/bindings/media/aspeed-video.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/aspeed-video.txt