Re: [PATCH v8 09/34] dt-bindings: host1x: Document Memory Client resets of Host1x, GR2D and GR3D

Rob Herring
2021-08-18T01:16:25Z

On Tue, Aug 17, 2021 at 04:27:29AM +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(+)
>
> diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> index 62861a8fb5c6..07a08653798b 100644
> --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> @@ -18,6 +18,7 @@ Required properties:
> - resets: Must contain an entry for each entry in reset-names.
> See ../reset/reset.txt for details.
> - reset-names: Must include the following entries:
> + - mc
> - host1x

New entries should be at the end. Order matters.

>
> Optional properties:
> @@ -197,6 +198,7 @@ of the following host1x client modules:
> - resets: Must contain an entry for each entry in reset-names.
> See ../reset/reset.txt for details.
> - reset-names: Must include the following entries:
> + - mc
> - 2d
>
> Optional properties:
> @@ -222,6 +224,8 @@ of the following host1x client modules:
> - resets: Must contain an entry for each entry in reset-names.
> See ../reset/reset.txt for details.
> - reset-names: Must include the following entries:
> + - mc
> + - mc2 (Only required on SoCs with two 3D clocks)
> - 3d
> - 3d2 (Only required on SoCs with two 3D clocks)
>
> --
> 2.32.0
>
>