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From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: domenico.acri@engicam.com,
francesco.utel@engicam.com,
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devicetree@vger.kernel.org,
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linux-stm32@st-md-mailman.stormreply.com
Subject: [PATCH v2 02/15] arm64: dts: st: add SDMMC2 support on stm32mp25
Date: Fri, 29 May 2026 16:46:16 +0200
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diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi index 673fbc5632e6..5e46024d2215 100644 --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi @@ -1667,6 +1667,21 @@ sdmmc1: mmc@48220000 { status = "disabled"; }; + sdmmc2: mmc@48230000 { + compatible = "st,stm32mp25-sdmmc2", "arm,pl18x", "arm,primecell"; + arm,primecell-periphid = <0x00353180>; + reg = <0x48230000 0x400>, <0x44230800 0x8>; + interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&rcc CK_KER_SDMMC2>; + clock-names = "apb_pclk"; + resets = <&rcc SDMMC2_R>; + cap-sd-highspeed; + cap-mmc-highspeed; + max-frequency = <120000000>; + access-controllers = <&rifsc 77>; + status = "disabled"; + }; + ethernet1: ethernet@482c0000 { compatible = "st,stm32mp25-dwmac", "snps,dwmac-5.20"; reg = <0x482c0000 0x4000>;
The SDMMC2 controller supports SD cards, eMMC memories and SDIO devices. Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> --- (no changes since v1) arch/arm64/boot/dts/st/stm32mp251.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+)