[PATCH v15 07/39] dt-bindings: host1x: Document Memory Client resets of Host1x, GR2D and GR3D
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2021-11-14 19:38:10
Also in:
dri-devel, linux-clk, linux-mmc, linux-pwm, linux-tegra, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Memory Client should be blocked before hardware reset is asserted in order to prevent memory corruption and hanging of memory controller. Document Memory Client resets of Host1x, GR2D and GR3D hardware units. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- .../bindings/display/tegra/nvidia,tegra20-host1x.txt | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
index 62861a8fb5c6..e61999ce54e9 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt@@ -19,6 +19,7 @@ Required properties: See ../reset/reset.txt for details. - reset-names: Must include the following entries: - host1x + - mc Optional properties: - operating-points-v2: See ../bindings/opp/opp.txt for details.
@@ -198,6 +199,7 @@ of the following host1x client modules: See ../reset/reset.txt for details. - reset-names: Must include the following entries: - 2d + - mc Optional properties: - interconnects: Must contain entry for the GR2D memory clients.
@@ -224,6 +226,8 @@ of the following host1x client modules: - reset-names: Must include the following entries: - 3d - 3d2 (Only required on SoCs with two 3D clocks) + - mc + - mc2 (Only required on SoCs with two 3D clocks) Optional properties: - interconnects: Must contain entry for the GR3D memory clients.
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2.33.1