linux-kernel - [PATCH v4 1/1] dt-bindings: mmc: Add support for rk3576 eMMC

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Message-ID: <20240904203154.253655-2-detlev.casanova@collabora.com>
Date: Wed,  4 Sep 2024 16:30:58 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Ulf Hansson <ulf.hansson@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jisheng Zhang <jszhang@...nel.org>,
	linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org,
	kernel@...labora.com,
	Detlev Casanova <detlev.casanova@...labora.com>
Subject: [PATCH v4 1/1] dt-bindings: mmc: Add support for rk3576 eMMC

The device is compatible with rk3588, so add an entry for the 2
compatibles together.

The rk3576 device has a power-domain that needs to be on for the eMMC to
be used. Add it as a requirement.

Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
---
 .../bindings/mmc/snps,dwcmshc-sdhci.yaml      | 37 +++++++++++++++----
 1 file changed, 29 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
index 80d50178d2e3..c3d5e0230af1 100644
--- a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
@@ -12,14 +12,18 @@ maintainers:
 
 properties:
   compatible:
-    enum:
-      - rockchip,rk3568-dwcmshc
-      - rockchip,rk3588-dwcmshc
-      - snps,dwcmshc-sdhci
-      - sophgo,cv1800b-dwcmshc
-      - sophgo,sg2002-dwcmshc
-      - sophgo,sg2042-dwcmshc
-      - thead,th1520-dwcmshc
+    oneOf:
+      - items:
+          - const: rockchip,rk3576-dwcmshc
+          - const: rockchip,rk3588-dwcmshc
+      - enum:
+          - rockchip,rk3568-dwcmshc
+          - rockchip,rk3588-dwcmshc
+          - snps,dwcmshc-sdhci
+          - sophgo,cv1800b-dwcmshc
+          - sophgo,sg2002-dwcmshc
+          - sophgo,sg2042-dwcmshc
+          - thead,th1520-dwcmshc
 
   reg:
     maxItems: 1
@@ -35,6 +39,9 @@ properties:
     minItems: 1
     maxItems: 5
 
+  power-domains:
+    maxItems: 1
+
   resets:
     maxItems: 5
 
@@ -97,6 +104,20 @@ allOf:
             - const: block
             - const: timer
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3576-dwcmshc
+
+    then:
+      required:
+        - power-domains
+
+    else:
+      properties:
+        power-domains: false
+
 unevaluatedProperties: false
 
 examples:
-- 
2.46.0