linux-kernel - [PATCH v2 05/48] media: dt: bindings: tegra-vde: Document OPP and power domain properties

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Message-Id: <20201217180638.22748-6-digetx@gmail.com>
Date:   Thu, 17 Dec 2020 21:05:55 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: [PATCH v2 05/48] media: dt: bindings: tegra-vde: Document OPP and power domain properties

Document new DVFS OPP table and power domain properties of the video
decoder engine.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 .../devicetree/bindings/media/nvidia,tegra-vde.txt   | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
index 602169b8aa19..02fe2af3bd13 100644
--- a/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
+++ b/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
@@ -36,6 +36,16 @@ Optional properties:
 - reset-names : Must include the following entries:
   - mc
 - iommus: Must contain phandle to the IOMMU device node.
+- operating-points-v2: See ../bindings/opp/opp.txt for details.
+- power-domains: Phandle to VDEC power domain.
+
+For each opp entry in 'operating-points-v2' table:
+- opp-supported-hw: One bitfield indicating:
+	On Tegra20: SoC process ID mask
+	On Tegra30+: SoC speedo ID mask
+
+	A bitwise AND is performed against the value and if any bit
+	matches, the OPP gets enabled.
 
 Example:
 
@@ -61,4 +71,6 @@ video-codec@...1a000 {
 	reset-names = "vde", "mc";
 	resets = <&tegra_car 61>, <&mc TEGRA20_MC_RESET_VDE>;
 	iommus = <&mc TEGRA_SWGROUP_VDE>;
+	operating-points-v2 = <&dvfs_opp_table>;
+	power-domains = <&domain>;
 };
-- 
2.29.2