Add binding document for Venus video encoder/decoder driver
Cc: Rob Herring <robh...@kernel.org>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: devicet...@vger.kernel.org
Signed-off-by: Stanimir Varbanov <stanimir.varba...@linaro.org>
---
.../devicetree/bindings/media/qcom,venus.txt | 68 ++++++++++++++++++++++
1 file changed, 68 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/qcom,venus.txt
diff --git a/Documentation/devicetree/bindings/media/qcom,venus.txt
b/Documentation/devicetree/bindings/media/qcom,venus.txt
new file mode 100644
index 000000000000..7b77dff52b0f
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,venus.txt
@@ -0,0 +1,68 @@
+* Qualcomm Venus video encode/decode accelerator
+
+- compatible:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Value should contain one of:
+ - "qcom,msm8916-venus"
+ - "qcom,msm8996-venus"
+- reg:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: Register base address and length of the register map.
+- interrupts:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: Should contain interrupt line number.
+- clocks:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: A List of phandle and clock specifier pairs as listed
+ in clock-names property.
+- clock-names:
+ Usage: required for msm8916
+ Value type: <stringlist>
+ Definition: Should contain the following entries:
+ - "core" Core video accelerator clock
+ - "iface" Video accelerator AHB clock
+ - "bus" Video accelerator AXI clock
+- clock-names:
+ Usage: required for msm8996
+ Value type: <stringlist>
+ Definition: Should contain the following entries:
+ - "core" Core video accelerator clock
+ - "iface" Video accelerator AHB clock
+ - "bus" Video accelerator AXI clock
+ - "subcore0" Subcore0 (decoder) video accelerator clock
+ - "subcore1" Subcore1 (encoder) video accelerator clock
+ - "mbus" Video MAXI clock
+- power-domains:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: A phandle and power domain specifier pairs to the
+ power domain which is responsible for collapsing
+ and restoring power to the peripheral.
+- rproc:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: A phandle to remote processor responsible for
+ firmware loading and processor booting.
+
+- iommus:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: A list of phandle and IOMMU specifier pairs.
+
+* An Example
+ video-codec@1d00000 {
+ compatible = "qcom,msm8916-venus";
+ reg = <0x01d00000 0xff000>;
+ interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_VENUS0_VCODEC0_CLK>,
+ <&gcc GCC_VENUS0_AHB_CLK>,
+ <&gcc GCC_VENUS0_AXI_CLK>;
+ clock-names = "core", "iface", "bus";
+ power-domains = <&gcc VENUS_GDSC>;
+ rproc = <&venus_rproc>;
+ iommus = <&apps_iommu 5>;
+ };
--
2.7.4
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