Add binding document for Venus video encoder/decoder driver
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
---
.../devicetree/bindings/media/qcom,venus.txt | 98 ++++++++++++++++++++++
1 file changed, 98 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..b2af347fbce4
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,venus.txt
@@ -0,0 +1,98 @@
+* Qualcomm Venus video encode/decode accelerator
+
+- compatible:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Value should contain one of:
+ - "qcom,venus-msm8916"
+ - "qcom,venus-msm8996"
+- reg:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: Register ranges as listed in the reg-names property.
+- reg-names:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Should contain following entries:
+ - "venus" Venus register base
+- reg-names:
+ Usage: optional for msm8996
+ Value type: <stringlist>
+ Definition: Should contain following entries:
+ - "vmem" Video memory register base
+- interrupts:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: Should contain interrupts as listed in the interrupt-names
+ property.
+- interrupt-names:
+ Usage: required
+ Value type: <stringlist>
+ Definition: Should contain following entries:
+ - "venus" Venus interrupt line
+- interrupt-names:
+ Usage: optional for msm8996
+ Value type: <stringlist>
+ Definition: Should contain following entries:
+ - "vmem" Video memory interrupt line
+- 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
+ 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:
+ - "subcore0" Subcore0 video accelerator clock
+ - "subcore1" Subcore1 video accelerator clock
+ - "mmssnoc_axi" Multimedia subsystem NOC AXI clock
+ - "mmss_mmagic_iface" Multimedia subsystem MMAGIC AHB clock
+ - "mmss_mmagic_mbus" Multimedia subsystem MMAGIC MAXI clock
+ - "mmagic_video_bus" MMAGIC video AXI clock
+ - "video_mbus" Video MAXI clock
+- clock-names:
+ Usage: optional for msm8996
+ Value type: <stringlist>
+ Definition: Should contain the following entries:
+ - "vmem_bus" Video memory MAXI clock
+ - "vmem_iface" Video memory AHB 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,venus-msm8916";
+ reg = <0x01d00000 0xff000>;
+ reg-names = "venus";
+ interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "venus";
+ 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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