[v11,02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC

Message ID 20230312004445.15913-3-blarson@amd.com
State New
Headers
Series Support AMD Pensando Elba SoC |

Commit Message

Brad Larson March 12, 2023, 12:44 a.m. UTC
  AMD Pensando Elba ARM 64-bit SoC is integrated with this IP and
explicitly controls byte-lane enables.

Signed-off-by: Brad Larson <blarson@amd.com>
---

v11 changes:
- Remove resets description and reset-names
- Add descriptions for amd,pensando-elba-sd4hc reg items

v10 changes:
- Move reset-names property definition next to existing resets prop
- Move allOf to the bottom and set resets/reset-names required only for pensando
- Fix reg maxItems for existing, must be 1

v9 changes:
- Add reset-names and resets properties
- Add if/then on property amd,pensando-elba-sd4hc to set reg property
  values for minItems and maxItems

---
 .../devicetree/bindings/mmc/cdns,sdhci.yaml   | 28 ++++++++++++++++---
 1 file changed, 24 insertions(+), 4 deletions(-)
  

Comments

Krzysztof Kozlowski March 12, 2023, 8:57 p.m. UTC | #1
On 12/03/2023 01:44, Brad Larson wrote:
> AMD Pensando Elba ARM 64-bit SoC is integrated with this IP and
> explicitly controls byte-lane enables.
> 
> Signed-off-by: Brad Larson <blarson@amd.com>

Thank you for your patch. There is something to discuss/improve.

>    interrupts:
>      maxItems: 1
> @@ -120,6 +119,27 @@ required:
>    - interrupts
>    - clocks
>  
> +allOf:
> +  - $ref: mmc-controller.yaml
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: amd,pensando-elba-sd4hc
> +    then:
> +      properties:
> +        reg:
> +          items:
> +            - description: Host controller registers
> +            - description: Elba byte-lane enable register for writes
> +      required:
> +        - resets
> +    else:
> +      properties:
> +        resets: false

I don't think this passed the tests... You disallow resets for everyone
else. Why? Drop this line.

> +        reg:
> +          maxItems: 1
> +
>  unevaluatedProperties: false
>  
>  examples:

Best regards,
Krzysztof
  

Patch

diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
index adacd0535c14..3c511c02e8a6 100644
--- a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
@@ -9,19 +9,18 @@  title: Cadence SD/SDIO/eMMC Host Controller (SD4HC)
 maintainers:
   - Masahiro Yamada <yamada.masahiro@socionext.com>
 
-allOf:
-  - $ref: mmc-controller.yaml
-
 properties:
   compatible:
     items:
       - enum:
+          - amd,pensando-elba-sd4hc
           - microchip,mpfs-sd4hc
           - socionext,uniphier-sd4hc
       - const: cdns,sd4hc
 
   reg:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
 
   interrupts:
     maxItems: 1
@@ -120,6 +119,27 @@  required:
   - interrupts
   - clocks
 
+allOf:
+  - $ref: mmc-controller.yaml
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: amd,pensando-elba-sd4hc
+    then:
+      properties:
+        reg:
+          items:
+            - description: Host controller registers
+            - description: Elba byte-lane enable register for writes
+      required:
+        - resets
+    else:
+      properties:
+        resets: false
+        reg:
+          maxItems: 1
+
 unevaluatedProperties: false
 
 examples: