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Message-Id: <20250922-b4-ddr-bindings-v7-7-b3dd20e54db6@gmail.com>
Date: Mon, 22 Sep 2025 12:06:20 +0200
From: Clément Le Goffic <legoffic.clement@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Rob Herring <robh@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Julius Werner <jwerner@...omium.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org,
Clément Le Goffic <legoffic.clement@...il.com>,
Clément Le Goffic <clement.legoffic@...s.st.com>
Subject: [PATCH v7 7/7] arm64: dts: st: add DDR channel to stm32mp257f-ev1
board
From: Clément Le Goffic <clement.legoffic@...s.st.com>
Add 32bits DDR4 channel to the stm32mp257f-dk board.
Signed-off-by: Clément Le Goffic <clement.legoffic@...s.st.com>
Signed-off-by: Clément Le Goffic <legoffic.clement@...il.com>
---
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 836b1958ce65..c4223f06396a 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -41,6 +41,13 @@ pad_clk: pad-clk {
};
};
+ ddr_channel: sdram-channel-0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "jedec,ddr4-channel";
+ io-width = <32>;
+ };
+
imx335_2v9: regulator-2v9 {
compatible = "regulator-fixed";
regulator-name = "imx335-avdd";
--
2.43.0
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