linux-kernel - Re: [PATCH v3 6/7] riscv: dts: thead: Enable BeagleV Ahead eMMC and microSD

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Message-ID: <CAJM55Z-OBUsnybSLTxB8RHwsYuWhsMKVH3x8ana4=LeZ98Yv1Q@mail.gmail.com>
Date:   Tue, 24 Oct 2023 05:16:25 -0700
From:   Emil Renner Berthing <emil.renner.berthing@...onical.com>
To:     Drew Fustini <dfustini@...libre.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jisheng Zhang <jszhang@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Guo Ren <guoren@...nel.org>, Fu Wei <wefu@...hat.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor@...nel.org>
Cc:     devicetree@...r.kernel.org, Han Gao <gaohan@...as.ac.cn>,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Robert Nelson <robertcnelson@...gleboard.org>,
        Jason Kridner <jkridner@...gleboard.org>,
        Xi Ruoyao <xry111@...111.site>, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3 6/7] riscv: dts: thead: Enable BeagleV Ahead eMMC and microSD

Drew Fustini wrote:
> Add mmc0 properties for the eMMC device and add mmc1 properties for
> the microSD slot. Set the frequency for the sdhci clock.
>
> Signed-off-by: Drew Fustini <dfustini@...libre.com>
> ---
>  arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> index 70e8042c8304..c4e748827889 100644
> --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> @@ -52,6 +52,10 @@ &uart_sclk {
>  	clock-frequency = <100000000>;
>  };
>
> +&sdhci_clk {
> +	clock-frequency = <198000000>;
> +};
> +
>  &dmac0 {
>  	status = "okay";
>  };
> @@ -59,3 +63,19 @@ &dmac0 {
>  &uart0 {
>  	status = "okay";
>  };
> +
> +&mmc0 {
> +	bus-width = <8>;
> +	max-frequency = <198000000>;
> +	mmc-hs400-1_8v;
> +	non-removable;
> +	no-sdio;
> +	no-sd;
> +	status = "okay";
> +};
> +
> +&mmc1 {
> +	max-frequency = <198000000>;
> +	bus-width = <4>;
> +	status = "okay";
> +};

Hi Drew,

For the StarFive device tree files we've agreed on sorting by / node, clock
references, and then other node references alphabetically. I'm not
insisting you should do the same, but it would be nice with some system to make
it clear where new node refences should go. Or maybe I'm just not seeing the
system you're already following.

/Emil

>
> --
> 2.34.1
>
>
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

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