[PATCH v9 5/5] dt-bindings: media: Document bindings for venus firmware device
From: Vikash Garodia <hidden>
Date: 2018-09-18 23:44:15
Also in:
linux-arm-msm, linux-media, lkml
Subsystem:
arm/qualcomm mailing list, media input infrastructure (v4l/dvb), open firmware and flattened device tree bindings, qualcomm media platform, qualcomm venus video accelerator driver, the rest · Maintainers:
Mauro Carvalho Chehab, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Bryan O'Donoghue, Vikash Garodia, Dikshita Agarwal, Linus Torvalds
Add devicetree binding documentation for firmware loader for video hardware running on qualcomm chip. Signed-off-by: Vikash Garodia <redacted> --- Documentation/devicetree/bindings/media/qcom,venus.txt | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/media/qcom,venus.txt b/Documentation/devicetree/bindings/media/qcom,venus.txt
index 00d0d1b..7e04586 100644
--- a/Documentation/devicetree/bindings/media/qcom,venus.txt
+++ b/Documentation/devicetree/bindings/media/qcom,venus.txt@@ -53,7 +53,7 @@ * Subnodes The Venus video-codec node must contain two subnodes representing -video-decoder and video-encoder. +video-decoder and video-encoder, and one optional firmware subnode. Every of video-encoder or video-decoder subnode should have:
@@ -79,6 +79,13 @@ Every of video-encoder or video-decoder subnode should have: power domain which is responsible for collapsing and restoring power to the subcore. +The firmware subnode must have: + +- 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";
@@ -105,4 +112,8 @@ Every of video-encoder or video-decoder subnode should have: clock-names = "core"; power-domains = <&mmcc VENUS_CORE1_GDSC>; }; + + video-firmware { + iommus = <&apps_iommu 0x10b2 0x0>; + }; };
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