linux-kernel - Re: [PATCH 5/5] arm64: dts: exynos: Add internal eMMC support to jackpotlte

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Message-ID: <b3681990-e358-8e1d-93fe-b72c099902e3@linaro.org>
Date:   Thu, 2 Jun 2022 14:01:25 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     David Virag <virag.david003@...il.com>
Cc:     phone-devel@...r.kernel.org,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] arm64: dts: exynos: Add internal eMMC support to
 jackpotlte

On 02/06/2022 01:37, David Virag wrote:
> Add the nodes relevant to provide clocks for Exynos7885 eMMC and to
> support eMMC. eMMC is the internal storage used in the Samsung Galaxy A8
> (2018) (jackpotlte), and all other known devices using the Exynos7885
> SoC.
> 
> Signed-off-by: David Virag <virag.david003@...il.com>
> ---
>  .../boot/dts/exynos/exynos7885-jackpotlte.dts | 20 ++++++++++++
>  arch/arm64/boot/dts/exynos/exynos7885.dtsi    | 32 +++++++++++++++++++
>  2 files changed, 52 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts
> index 4cf9aa25f618..5db9a81ac7bb 100644
> --- a/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts
> +++ b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts
> @@ -60,6 +60,26 @@ power-key {
>  	};
>  };
>  
> +&mmc_0 {
> +	status = "okay";
> +	mmc-hs200-1_8v;
> +	mmc-hs400-1_8v;
> +	cap-mmc-highspeed;
> +	non-removable;
> +	mmc-hs400-enhanced-strobe;
> +	card-detect-delay = <200>;
> +	clock-frequency = <800000000>;

Is this real property for MMC? Neither mmc nor DW MSHC bindings mention it.

Best regards,
Krzysztof