[v3,1/9] doc: DT: vidc: binding document for Qualcomm video driver

Message ID 1478540043-24558-2-git-send-email-stanimir.varbanov@linaro.org
State New
Headers show

Commit Message

Stanimir Varbanov Nov. 7, 2016, 5:33 p.m.
Add binding document for Venus video encoder/decoder driver

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>

---
 .../devicetree/bindings/media/qcom,venus.txt       | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/qcom,venus.txt

-- 
2.7.4

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Patch

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>;
+	};