| Message ID | 20191213074055.26193-1-maxime@cerno.tech (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | dt-bindings: media: Convert Allwinner hardware codec to a schema | expand |
On Fri, Dec 13, 2019 at 1:41 AM Maxime Ripard <maxime@cerno.tech> wrote: > > The Allwinner SoCs have a hardware video codec that is supported in Linux, > with a matching Device Tree binding. > > Now that we have the DT validation in place, let's convert the device tree > bindings for that controller over to a YAML schemas. > > Signed-off-by: Maxime Ripard <maxime@cerno.tech> > --- > .../allwinner,sun4i-a10-video-engine.yaml | 83 +++++++++++++++++++ > .../devicetree/bindings/media/cedrus.txt | 57 ------------- > 2 files changed, 83 insertions(+), 57 deletions(-) > create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml > delete mode 100644 Documentation/devicetree/bindings/media/cedrus.txt > > diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml > new file mode 100644 > index 000000000000..47c8513555b2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml > @@ -0,0 +1,83 @@ > +# SPDX-License-Identifier: GPL-2.0+ Do you have rights to change the license (adding '+' aka '-or-later')? If so, please add BSD-2-Clause. I don't have any other comments, so just confirm and I can change it when applying. Rob
Hi Rob, On Fri, Dec 13, 2019 at 09:25:51AM -0600, Rob Herring wrote: > On Fri, Dec 13, 2019 at 1:41 AM Maxime Ripard <maxime@cerno.tech> wrote: > > > > The Allwinner SoCs have a hardware video codec that is supported in Linux, > > with a matching Device Tree binding. > > > > Now that we have the DT validation in place, let's convert the device tree > > bindings for that controller over to a YAML schemas. > > > > Signed-off-by: Maxime Ripard <maxime@cerno.tech> > > --- > > .../allwinner,sun4i-a10-video-engine.yaml | 83 +++++++++++++++++++ > > .../devicetree/bindings/media/cedrus.txt | 57 ------------- > > 2 files changed, 83 insertions(+), 57 deletions(-) > > create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml > > delete mode 100644 Documentation/devicetree/bindings/media/cedrus.txt > > > > diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml > > new file mode 100644 > > index 000000000000..47c8513555b2 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml > > @@ -0,0 +1,83 @@ > > +# SPDX-License-Identifier: GPL-2.0+ > > Do you have rights to change the license (adding '+' aka '-or-later')? > If so, please add BSD-2-Clause. I don't have any other comments, so > just confirm and I can change it when applying. That's a mistake, sorry. I'm not the original author, so I can't change that license... Maxime
On Fri, 13 Dec 2019 08:40:55 +0100, Maxime Ripard wrote: > The Allwinner SoCs have a hardware video codec that is supported in Linux, > with a matching Device Tree binding. > > Now that we have the DT validation in place, let's convert the device tree > bindings for that controller over to a YAML schemas. > > Signed-off-by: Maxime Ripard <maxime@cerno.tech> > --- > .../allwinner,sun4i-a10-video-engine.yaml | 83 +++++++++++++++++++ > .../devicetree/bindings/media/cedrus.txt | 57 ------------- > 2 files changed, 83 insertions(+), 57 deletions(-) > create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml > delete mode 100644 Documentation/devicetree/bindings/media/cedrus.txt > Applied, thanks. Rob
diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml new file mode 100644 index 000000000000..47c8513555b2 --- /dev/null +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: GPL-2.0+ +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/allwinner,sun4i-a10-video-engine.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 Video Engine Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +properties: + compatible: + enum: + - allwinner,sun4i-a10-video-engine + - allwinner,sun5i-a13-video-engine + - allwinner,sun7i-a20-video-engine + - allwinner,sun8i-a33-video-engine + - allwinner,sun8i-h3-video-engine + - allwinner,sun50i-a64-video-engine + - allwinner,sun50i-h5-video-engine + - allwinner,sun50i-h6-video-engine + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Bus Clock + - description: Module Clock + - description: RAM Clock + + clock-names: + items: + - const: ahb + - const: mod + - const: ram + + resets: + maxItems: 1 + + allwinner,sram: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: Phandle to the device SRAM + + memory-region: + description: + CMA pool to use for buffers allocation instead of the default + CMA pool. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - allwinner,sram + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/sun7i-a20-ccu.h> + #include <dt-bindings/reset/sun4i-a10-ccu.h> + + video-codec@1c0e000 { + compatible = "allwinner,sun7i-a20-video-engine"; + reg = <0x01c0e000 0x1000>; + interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_AHB_VE>, <&ccu CLK_VE>, + <&ccu CLK_DRAM_VE>; + clock-names = "ahb", "mod", "ram"; + resets = <&ccu RST_VE>; + allwinner,sram = <&ve_sram 1>; + }; + +... diff --git a/Documentation/devicetree/bindings/media/cedrus.txt b/Documentation/devicetree/bindings/media/cedrus.txt deleted file mode 100644 index 20c82fb0c343..000000000000 --- a/Documentation/devicetree/bindings/media/cedrus.txt +++ /dev/null @@ -1,57 +0,0 @@ -Device-tree bindings for the VPU found in Allwinner SoCs, referred to as the -Video Engine (VE) in Allwinner literature. - -The VPU can only access the first 256 MiB of DRAM, that are DMA-mapped starting -from the DRAM base. This requires specific memory allocation and handling. - -Required properties: -- compatible : must be one of the following compatibles: - - "allwinner,sun4i-a10-video-engine" - - "allwinner,sun5i-a13-video-engine" - - "allwinner,sun7i-a20-video-engine" - - "allwinner,sun8i-a33-video-engine" - - "allwinner,sun8i-h3-video-engine" - - "allwinner,sun50i-a64-video-engine" - - "allwinner,sun50i-h5-video-engine" - - "allwinner,sun50i-h6-video-engine" -- reg : register base and length of VE; -- clocks : list of clock specifiers, corresponding to entries in - the clock-names property; -- clock-names : should contain "ahb", "mod" and "ram" entries; -- resets : phandle for reset; -- interrupts : VE interrupt number; -- allwinner,sram : SRAM region to use with the VE. - -Optional properties: -- memory-region : CMA pool to use for buffers allocation instead of the - default CMA pool. - -Example: - -reserved-memory { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - /* Address must be kept in the lower 256 MiBs of DRAM for VE. */ - cma_pool: default-pool { - compatible = "shared-dma-pool"; - size = <0x6000000>; - alloc-ranges = <0x4a000000 0x6000000>; - reusable; - linux,cma-default; - }; -}; - -video-codec@1c0e000 { - compatible = "allwinner,sun7i-a20-video-engine"; - reg = <0x01c0e000 0x1000>; - - clocks = <&ccu CLK_AHB_VE>, <&ccu CLK_VE>, - <&ccu CLK_DRAM_VE>; - clock-names = "ahb", "mod", "ram"; - - resets = <&ccu RST_VE>; - interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>; - allwinner,sram = <&ve_sram 1>; -};
The Allwinner SoCs have a hardware video codec that is supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Signed-off-by: Maxime Ripard <maxime@cerno.tech> --- .../allwinner,sun4i-a10-video-engine.yaml | 83 +++++++++++++++++++ .../devicetree/bindings/media/cedrus.txt | 57 ------------- 2 files changed, 83 insertions(+), 57 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml delete mode 100644 Documentation/devicetree/bindings/media/cedrus.txt