linux-kernel - [PATCH v5 1/3] dt-bindings: mmc: renesas,sdhi: Document RZ/V2H(P) support

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Message-Id: <20240724182119.652080-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Wed, 24 Jul 2024 19:21:17 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>
Cc: linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v5 1/3] dt-bindings: mmc: renesas,sdhi: Document RZ/V2H(P) support

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

The SD/MMC block on the RZ/V2H(P) ("R9A09G057") SoC is similar to that
of the R-Car Gen3, but it has some differences:
- HS400 is not supported.
- It has additional SD_STATUS register to control voltage,
  power enable and reset.
- It supports fixed address mode.

To accommodate these differences, a SoC-specific 'renesas,sdhi-r9a09g057'
compatible string is added.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
v4->v5
- Dropped regulator node.

v3->v4
- Dropped 'renesas,sdhi-use-internal-regulator' property
- Moved 'vqmmc-regulator' to the top level

v2->v3
- Renamed vqmmc-r9a09g057-regulator object to vqmmc-regulator
- Added regulator-compatible property for vqmmc-regulator
- Added 'renesas,sdhi-use-internal-regulator' property

v1->v2
- Moved vqmmc object in the if block
- Updated commit message
---
 Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
index 3d0e61e59856..1155b1d79df5 100644
--- a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
+++ b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
@@ -18,6 +18,7 @@ properties:
           - renesas,sdhi-r7s9210 # SH-Mobile AG5
           - renesas,sdhi-r8a73a4 # R-Mobile APE6
           - renesas,sdhi-r8a7740 # R-Mobile A1
+          - renesas,sdhi-r9a09g057 # RZ/V2H(P)
           - renesas,sdhi-sh73a0  # R-Mobile APE6
       - items:
           - enum:
@@ -66,6 +67,7 @@ properties:
               - renesas,sdhi-r9a07g054 # RZ/V2L
               - renesas,sdhi-r9a08g045 # RZ/G3S
               - renesas,sdhi-r9a09g011 # RZ/V2M
+              - renesas,sdhi-r9a09g057 # RZ/V2H(P)
           - const: renesas,rzg2l-sdhi
 
   reg:
-- 
2.34.1