From: Clément Le Goffic <clement.legoffic@foss.st.com>
Date: Tue, 18 Nov 2025 15:08:02 +0000 (+0100)
Subject: arm64: dts: st: add LPDDR channel to stm32mp257f-dk board
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec6eac731f7bdfd54d44cb4c81706f85aa462d3e;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: st: add LPDDR channel to stm32mp257f-dk board

Add 32bits LPDDR4 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-v9-6-a033ac5144da@gmail.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
index d260e18cc1c9e..dce564e7fabcc 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
@@ -65,6 +65,13 @@
 		};
 	};
 
+	lpddr_channel: sdram-channel-0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "jedec,lpddr4-channel";
+		io-width = <32>;
+	};
+
 	memory@80000000 {
 		device_type = "memory";
 		reg = <0x0 0x80000000 0x1 0x0>;