linux-kernel - [PATCH v2 07/12] dt-bindings: mmc: Add support for rk3576 eMMC

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Message-ID: <20240823150057.56141-8-detlev.casanova@collabora.com>
Date: Fri, 23 Aug 2024 10:52:34 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Andi Shyti <andi.shyti@...nel.org>,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Lee Jones <lee@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Wim Van Sebroeck <wim@...ux-watchdog.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Chris Morgan <macromorgan@...mail.com>,
	Jonas Karlman <jonas@...boo.se>,
	Tim Lunn <tim@...thertop.org>,
	Chukun Pan <amadeus@....edu.cn>,
	Andy Yan <andyshrk@....com>,
	Muhammed Efe Cetin <efectn@...tonmail.com>,
	Jagan Teki <jagan@...eble.ai>,
	Dragan Simic <dsimic@...jaro.org>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	Ondrej Jirman <megi@....cz>,
	Michael Riesch <michael.riesch@...fvision.net>,
	Jimmy Hon <honyuenkwun@...il.com>,
	Alexey Charkov <alchark@...il.com>,
	Elon Zhang <zhangzj@...k-chips.com>,
	Elaine Zhang <zhangqing@...k-chips.com>,
	Yifeng Zhao <yifeng.zhao@...k-chips.com>,
	Finley Xiao <finley.xiao@...k-chips.com>,
	Liang Chen <cl@...k-chips.com>,
	Jisheng Zhang <jszhang@...nel.org>,
	Jamie Iles <jamie@...ieiles.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org,
	linux-i2c@...r.kernel.org,
	linux-iio@...r.kernel.org,
	linux-mmc@...r.kernel.org,
	linux-serial@...r.kernel.org,
	linux-spi@...r.kernel.org,
	linux-watchdog@...r.kernel.org,
	kernel@...labora.com
Subject: [PATCH v2 07/12] 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      | 32 +++++++++++++------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
index 4d3031d9965f3..7d5e388587027 100644
--- a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
@@ -12,16 +12,29 @@ maintainers:
 
 allOf:
   - $ref: mmc-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3576-dwcmshc
+    then:
+      properties:
+        power-domains:
+          minItems: 1
 
 properties:
   compatible:
-    enum:
-      - rockchip,rk3568-dwcmshc
-      - rockchip,rk3588-dwcmshc
-      - snps,dwcmshc-sdhci
-      - sophgo,cv1800b-dwcmshc
-      - sophgo,sg2002-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
+          - thead,th1520-dwcmshc
 
   reg:
     maxItems: 1
@@ -38,7 +51,6 @@ properties:
       - description: block clock for rockchip specified
       - description: timer clock for rockchip specified
 
-
   clock-names:
     minItems: 1
     items:
@@ -48,6 +60,9 @@ properties:
       - const: block
       - const: timer
 
+  power-domains:
+    maxItems: 1
+
   resets:
     maxItems: 5
 
@@ -63,7 +78,6 @@ properties:
     description: Specify the number of delay for tx sampling.
     $ref: /schemas/types.yaml#/definitions/uint8
 
-
 required:
   - compatible
   - reg
-- 
2.46.0