linux-kernel - [PATCH 1/6] dt-bindings: mmc: mmci: Add st,stm32mp25-sdmmc2 compatible

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Message-ID: <20230615092001.1213132-2-yann.gautier@foss.st.com>
Date:   Thu, 15 Jun 2023 11:19:56 +0200
From:   Yann Gautier <yann.gautier@...s.st.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     Conor Dooley <conor+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Christophe Kerello <christophe.kerello@...s.st.com>,
        <linux-kernel@...r.kernel.org>, Marek Vasut <marex@...x.de>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Xiang wangx <wangxiang@...rlc.com>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        Yann Gautier <yann.gautier@...s.st.com>
Subject: [PATCH 1/6] dt-bindings: mmc: mmci: Add st,stm32mp25-sdmmc2 compatible

For STM32MP25, we'll need to distinguish how is managed the delay block.
This is done through a new comptible dedicated for this SoC, as the
delay block registers are located in SYSCFG peripheral.

Signed-off-by: Yann Gautier <yann.gautier@...s.st.com>
---
 Documentation/devicetree/bindings/mmc/arm,pl18x.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml b/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml
index 1c96da04f0e53..e47b3418b6c77 100644
--- a/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml
+++ b/Documentation/devicetree/bindings/mmc/arm,pl18x.yaml
@@ -59,6 +59,12 @@ properties:
           - const: st,stm32-sdmmc2
           - const: arm,pl18x
           - const: arm,primecell
+      - description: Entry for STMicroelectronics variant of PL18x for
+          STM32MP25. This dedicated compatible is used by bootloaders.
+        items:
+          - const: st,stm32mp25-sdmmc2
+          - const: arm,pl18x
+          - const: arm,primecell
 
   clocks:
     description: One or two clocks, the "apb_pclk" and the "MCLK"
-- 
2.25.1