linux-kernel - Re: [PATCH 3/6] MIPS: mobileye: dts: eyeq6h: add the emmc controller

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Message-ID: <87h5zxisz1.fsf@BLaptop.bootlin.com>
Date: Mon, 30 Jun 2025 09:33:38 +0200
From: Gregory CLEMENT <gregory.clement@...tlin.com>
To: Benoît Monin <benoit.monin@...tlin.com>, Ulf Hansson
 <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>, Krzysztof
 Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, Théo Lebrun
 <theo.lebrun@...tlin.com>, Thomas Bogendoerfer
 <tsbogend@...ha.franken.de>, Adrian Hunter <adrian.hunter@...el.com>,
 Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: Benoît Monin <benoit.monin@...tlin.com>,
 linux-mmc@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-mips@...r.kernel.org, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 3/6] MIPS: mobileye: dts: eyeq6h: add the emmc controller

Hello Benoît,

> Add the MMC/SDHCI controller found in the eyeQ6 SoC. It is based on the
> cadence sd4hc controller and support modes up to HS400 enhanced strobe.
>
> Signed-off-by: Benoît Monin <benoit.monin@...tlin.com>

As the binding had been accpeted and merged:

Acked-by: Gregory CLEMENT <gregory.clement@...tlin.com>

Thanks,

Gregory


> ---
>  arch/mips/boot/dts/mobileye/eyeq6h.dtsi | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>
> diff --git a/arch/mips/boot/dts/mobileye/eyeq6h.dtsi b/arch/mips/boot/dts/mobileye/eyeq6h.dtsi
> index dabd5ed778b7..bbd463435ad6 100644
> --- a/arch/mips/boot/dts/mobileye/eyeq6h.dtsi
> +++ b/arch/mips/boot/dts/mobileye/eyeq6h.dtsi
> @@ -109,6 +109,28 @@ olb_east: system-controller@...58000 {
>  			clock-names = "ref";
>  		};
>  
> +		emmc: sdhci@...10000 {
> +			compatible = "mobileye,eyeq-sd4hc", "cdns,sd4hc";
> +			reg = <0 0xd8010000 0x0 0x1000>;
> +			interrupt-parent = <&gic>;
> +			interrupts = <GIC_SHARED 91 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&olb_south EQ6HC_SOUTH_DIV_EMMC>;
> +			bus-width = <8>;
> +			max-frequency = <200000000>;
> +			mmc-ddr-1_8v;
> +			sd-uhs-ddr50;
> +			mmc-hs200-1_8v;
> +			mmc-hs400-1_8v;
> +			mmc-hs400-enhanced-strobe;
> +
> +			cdns,phy-input-delay-legacy = <4>;
> +			cdns,phy-input-delay-mmc-highspeed = <2>;
> +			cdns,phy-input-delay-mmc-ddr = <3>;
> +			cdns,phy-dll-delay-sdclk = <32>;
> +			cdns,phy-dll-delay-sdclk-hsmmc = <32>;
> +			cdns,phy-dll-delay-strobe = <32>;
> +		};
> +
>  		olb_south: system-controller@...13000 {
>  			compatible = "mobileye,eyeq6h-south-olb", "syscon";
>  			reg = <0x0 0xd8013000 0x0 0x1000>;

-- 
Grégory CLEMENT, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com