diff mbox series

[v2,2/4] dt-bindings: memory-controllers: tegra210: Allow fallback compatible

Message ID 20250508-tegra210-emc-dt-v2-2-d33dc20a1123@gmail.com
State New
Headers show
Series memory: tegra210-emc: Support Device Tree EMC Tables | expand

Commit Message

Aaron Kling via B4 Relay May 8, 2025, 6:07 a.m. UTC 
From: Aaron Kling <webgeek1234@gmail.com>

The nvidia,tegra21-emc compatible is required by the Nvidia Android
bootloader to copy emc training value into the kernel dt. So allow this
as a fallback compatible to avoid needing to change the driver.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
 .../devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Rob Herring (Arm) May 8, 2025, 7:09 a.m. UTC | #1 
On Thu, 08 May 2025 01:07:39 -0500, Aaron Kling wrote:
> The nvidia,tegra21-emc compatible is required by the Nvidia Android
> bootloader to copy emc training value into the kernel dt. So allow this
> as a fallback compatible to avoid needing to change the driver.
> 
> Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
> ---
>  .../devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:


doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250508-tegra210-emc-dt-v2-2-d33dc20a1123@gmail.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
index 78e3417d273a329b77bf2f61de41b29017be56d3..acae6c8a6c0ab9ceaddf00342c933499350568eb 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
@@ -16,7 +16,11 @@  description: |
 
 properties:
   compatible:
-    const: nvidia,tegra210-emc
+    oneOf:
+      - const: nvidia,tegra210-emc
+      - items:
+          - const: nvidia,tegra210-emc
+          - const: nvidia,tegra21-emc
 
   reg:
     maxItems: 3