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References: <20231206-th1520_mmc_dts-v8-0-69220e373e8f@baylibre.com> <20231206-th1520_mmc_dts-v8-4-69220e373e8f@baylibre.com>
In-Reply-To: <20231206-th1520_mmc_dts-v8-4-69220e373e8f@baylibre.com>
From:   Guo Ren <guoren@kernel.org>
Date:   Thu, 7 Dec 2023 16:25:30 +0800
Message-ID: <CAJF2gTSrd-ywx_aMZHNGbobmF60kqEwkRgz2d_YA0suWWa-HYA@mail.gmail.com>
Subject: Re: [PATCH v8 4/4] riscv: dts: thead: Enable LicheePi 4A eMMC and microSD
To:     Drew Fustini <dfustini@baylibre.com>
Cc:     Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Jisheng Zhang <jszhang@kernel.org>, Fu Wei <wefu@redhat.com>,
        Conor Dooley <conor@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Jason Kridner <jkridner@beagleboard.org>,
        Robert Nelson <robertcnelson@beagleboard.org>,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org
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On Wed, Dec 6, 2023 at 4:09=E2=80=AFPM Drew Fustini <dfustini@baylibre.com>=
 wrote:
>
> Add emmc node properties for the eMMC device and add sdio0 node
> properties for the microSD slot. Set the frequency for the sdhci
> reference clock.
>
> Signed-off-by: Drew Fustini <dfustini@baylibre.com>
> ---
>  .../boot/dts/thead/th1520-lichee-module-4a.dtsi      | 20 ++++++++++++++=
++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arc=
h/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
> index a802ab110429..1365d3a512a3 100644
> --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
> +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
> @@ -29,6 +29,10 @@ &apb_clk {
>         clock-frequency =3D <62500000>;
>  };
>
> +&sdhci_clk {
> +       clock-frequency =3D <198000000>;
> +};
> +
>  &uart_sclk {
>         clock-frequency =3D <100000000>;
>  };
> @@ -36,3 +40,19 @@ &uart_sclk {
>  &dmac0 {
>         status =3D "okay";
>  };
> +
> +&emmc {
> +       bus-width =3D <8>;
> +       max-frequency =3D <198000000>;
> +       mmc-hs400-1_8v;
> +       non-removable;
> +       no-sdio;
> +       no-sd;
> +       status =3D "okay";
> +};
> +
> +&sdio0 {
> +       bus-width =3D <4>;
> +       max-frequency =3D <198000000>;
> +       status =3D "okay";
> +};
>
> --
> 2.34.1
>
Reviewed-by: Guo Ren <guoren@kernel.org>

--=20
Best Regards
 Guo Ren