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MMC? #26

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opened 2026-03-11 17:06:55 +00:00 by Sirherobrine23 · 3 comments
Sirherobrine23 commented 2026-03-11 17:06:55 +00:00
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Does the DTS file from the AN7523's U-Boot contain the MMC node? Can you confirm this @merbanan?

	mmc0: mmc@1fa0e000 {
		compatible = "airoha,airoha-mmc";
		reg = <0x0 0x1fa0e000 0x0 0x1000>,
			  <0x0 0x1fa0c000 0x0 0x60>;
		interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
		//clocks = <&pericfg CLK_PERI_MSDC30_0_PD>,
		//	 <&topckgen CLK_TOP_MSDC50_0_SEL>;
		//clock-names = "source", "hclk";
		//status = "disabled";
		bus-width = <4>;
		max-frequency = <52000000>; //FPGA: max value is host->src_clk_freq/2
									//ASIC: max value is 52MHz
		disable-wp;
		cap-mmc-highspeed;
		//mmc-ddr-3_3v;
		non-removable;
	};
Does the DTS file from the AN7523's U-Boot contain the MMC node? Can you confirm this @merbanan? ```dts mmc0: mmc@1fa0e000 { compatible = "airoha,airoha-mmc"; reg = <0x0 0x1fa0e000 0x0 0x1000>, <0x0 0x1fa0c000 0x0 0x60>; interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>; //clocks = <&pericfg CLK_PERI_MSDC30_0_PD>, // <&topckgen CLK_TOP_MSDC50_0_SEL>; //clock-names = "source", "hclk"; //status = "disabled"; bus-width = <4>; max-frequency = <52000000>; //FPGA: max value is host->src_clk_freq/2 //ASIC: max value is 52MHz disable-wp; cap-mmc-highspeed; //mmc-ddr-3_3v; non-removable; }; ```
en7523-evb.dts
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 label 2026-03-11 17:07:08 +00:00
merbanan commented 2026-03-11 18:40:55 +00:00
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Well the EN7523 does not have support for mmc so I'm not sure where this node is from.

Well the EN7523 does not have support for mmc so I'm not sure where this node is from.
Sirherobrine23 commented 2026-03-11 19:11:05 +00:00
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All TP-Link GPLs with AN7551 contain this node, regardless of the date, including some recent GPLs

All TP-Link GPLs with AN7551 contain this node, regardless of the date, including some recent GPLs
merbanan commented 2026-03-11 19:19:25 +00:00
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Well AN7551 and AN7566 is based on AN7581. So those have eMMC but not EN7523.

Well AN7551 and AN7566 is based on AN7581. So those have eMMC but not EN7523.
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Gemnon (Csaba) Guilherme-Bember-Duarte (Guilherme Bember Duarte) kvn193 (Kevin Garcia) lilmayofuksu (ayy lmao) merbanan (Benjamin Larsson) mkshevetskiy (Mikhail Kshevetskiy) raphaelgz (Raphael Gozzo) Rondom (Andreas Gnau) Sirherobrine23 (Matheus Sampaio Queiroga)
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Reference: airoha_en7523/kernel#26