From: Clément Le Goffic <clement.legoffic@foss.st.com>
Date: Tue, 18 Nov 2025 15:08:03 +0000 (+0100)
Subject: arm64: dts: st: add DDR channel to stm32mp257f-ev1 board
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba96d918d31432ae4bdbfe2ac5e7a90569d60981;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: st: add DDR channel to stm32mp257f-ev1 board

Add 32bits DDR4 channel to the stm32mp257f-dk board.

Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
Signed-off-by: Clément Le Goffic <legoffic.clement@gmail.com>
Link: https://lore.kernel.org/r/20251118-b4-ddr-bindings-v9-7-a033ac5144da@gmail.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 9821ef14e8f28..e48407201be81 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -65,6 +65,13 @@
 		};
 	};
 
+	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";