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[v11,08/34] dt-bindings: host1x: Document Memory Client resets of Host1x, GR2D and GR3D

Message ID 20210912200832.12312-9-digetx@gmail.com
State Accepted
Commit 0c41e287f7541aee58c5a0c4437524fbdbf63bd9
Headers show
Series NVIDIA Tegra power management patches for 5.16 | expand

Commit Message

Dmitry Osipenko Sept. 12, 2021, 8:08 p.m. UTC 
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.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 .../bindings/display/tegra/nvidia,tegra20-host1x.txt          | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Rob Herring Sept. 16, 2021, 7:49 p.m. UTC | #1 
On Sun, 12 Sep 2021 23:08:06 +0300, Dmitry Osipenko wrote:
> 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.
> 
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
>  .../bindings/display/tegra/nvidia,tegra20-host1x.txt          | 4 ++++
>  1 file changed, 4 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

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.