linux-kernel - [PATCH v5 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC binding

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Message-Id: <20220613195658.5607-3-brad@pensando.io>
Date:   Mon, 13 Jun 2022 12:56:45 -0700
From:   Brad Larson <brad@...sando.io>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
        adrian.hunter@...el.com, alcooperx@...il.com,
        andy.shevchenko@...il.com, arnd@...db.de, brad@...sando.io,
        blarson@....com, brijeshkumar.singh@....com,
        catalin.marinas@....com, gsomlo@...il.com, gerg@...ux-m68k.org,
        krzk@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        lee.jones@...aro.org, broonie@...nel.org,
        yamada.masahiro@...ionext.com, p.zabel@...gutronix.de,
        piotrs@...ence.com, p.yadav@...com, rdunlap@...radead.org,
        robh+dt@...nel.org, samuel@...lland.org, fancer.lancer@...il.com,
        suravee.suthikulpanit@....com, thomas.lendacky@....com,
        ulf.hansson@...aro.org, will@...nel.org, devicetree@...r.kernel.org
Subject: [PATCH v5 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC binding

From: Brad Larson <blarson@....com>

AMD Pensando Elba ARM 64-bit SoC is integrated with this IP and
explicitly controls byte-lane enables.

Signed-off-by: Brad Larson <blarson@....com>
---
 .../devicetree/bindings/mmc/cdns,sdhci.yaml        | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
index 4207fed62dfe..35bc4cf6f214 100644
--- a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
@@ -13,10 +13,24 @@ maintainers:
 allOf:
   - $ref: mmc-controller.yaml
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - amd,pensando-elba-sd4hc
+    then:
+      properties:
+        reg:
+          items:
+            - description: Cadence host controller registers
+            - description: Byte-lane control register
+          minItems: 2
+
 properties:
   compatible:
     items:
       - enum:
+          - amd,pensando-elba-sd4hc
           - microchip,mpfs-sd4hc
           - socionext,uniphier-sd4hc
       - const: cdns,sd4hc
-- 
2.17.1