From: Vikash Garodia <vgarodia@codeaurora.org>
To: stanimir.varbanov@linaro.org, hverkuil@xs4all.nl, mchehab@kernel.org
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org, acourbot@chromium.org,
vgarodia@codeaurora.org
Subject: [PATCH v12 5/5] dt-bindings: media: Document bindings for venus firmware device
Date: Wed, 17 Oct 2018 18:48:23 +0530 [thread overview]
Message-ID: <1539782303-4091-6-git-send-email-vgarodia@codeaurora.org> (raw)
In-Reply-To: <1539782303-4091-1-git-send-email-vgarodia@codeaurora.org>
Add devicetree binding documentation for firmware loader for video
hardware running on qualcomm chip.
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/media/qcom,venus.txt | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/media/qcom,venus.txt b/Documentation/devicetree/bindings/media/qcom,venus.txt
index 00d0d1b..b602c4c 100644
--- a/Documentation/devicetree/bindings/media/qcom,venus.txt
+++ b/Documentation/devicetree/bindings/media/qcom,venus.txt
@@ -53,7 +53,8 @@
* 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.
+Firmware subnode is needed when the platform does not have TrustZone.
Every of video-encoder or video-decoder subnode should have:
@@ -79,6 +80,13 @@ 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 +113,8 @@ 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>;
+ };
};
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2018-10-17 13:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-17 13:18 [PATCH v12 0/5] Venus updates - PIL Vikash Garodia
2018-10-17 13:18 ` [PATCH v12 1/5] venus: firmware: add routine to reset ARM9 Vikash Garodia
2018-10-17 13:18 ` [PATCH v12 2/5] venus: firmware: move load firmware in a separate function Vikash Garodia
2018-10-17 13:18 ` [PATCH v12 3/5] venus: firmware: register separate platform_device for firmware loader Vikash Garodia
2018-10-17 13:18 ` [PATCH v12 4/5] venus: firmware: add no TZ boot and shutdown routine Vikash Garodia
2018-10-17 13:18 ` Vikash Garodia [this message]
2018-10-17 14:10 ` [PATCH v12 0/5] Venus updates - PIL Stanimir Varbanov
2018-10-22 5:51 ` Alexandre Courbot
2018-10-22 11:11 ` Vikash Garodia
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