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References: <20230203081913.81968-1-william.qiu@starfivetech.com> <20230203081913.81968-4-william.qiu@starfivetech.com>
In-Reply-To: <20230203081913.81968-4-william.qiu@starfivetech.com>
From:   Emil Renner Berthing <emil.renner.berthing@canonical.com>
Date:   Wed, 15 Feb 2023 11:31:14 +0100
Message-ID: <CAJM55Z8CRT_H-by=Nj0Nu1iWug1wdPMZceiE+RMJvE+q4RzQ7w@mail.gmail.com>
Subject: Re: [PATCH v3 3/3] riscv: dts: starfive: Add mmc node
To:     William Qiu <william.qiu@starfivetech.com>
Cc:     linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
        linux-mmc@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Jaehoon Chung <jh80.chung@samsung.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        linux-kernel@vger.kernel.org
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Precedence: bulk

On Fri, 3 Feb 2023 at 09:21, William Qiu <william.qiu@starfivetech.com> wrote:
>
> This adds the mmc node for the StarFive JH7110 SoC.
> Set mmco node to emmc and set mmc1 node to sd.
>
> Signed-off-by: William Qiu <william.qiu@starfivetech.com>
> ---
>  .../jh7110-starfive-visionfive-2.dtsi         | 23 ++++++++++++
>  arch/riscv/boot/dts/starfive/jh7110.dtsi      | 37 +++++++++++++++++++
>  2 files changed, 60 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> index c60280b89c73..e1a0248e907f 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -42,6 +42,29 @@ &rtc_osc {
>         clock-frequency = <32768>;
>  };
>
> +&mmc0 {
> +       max-frequency = <100000000>;
> +       bus-width = <8>;
> +       cap-mmc-highspeed;
> +       mmc-ddr-1_8v;
> +       mmc-hs200-1_8v;
> +       non-removable;
> +       cap-mmc-hw-reset;
> +       post-power-on-delay-ms = <200>;
> +       status = "okay";
> +};
> +
> +&mmc1 {
> +       max-frequency = <100000000>;
> +       bus-width = <4>;
> +       no-sdio;ru
> +       no-mmc;
> +       broken-cd;
> +       cap-sd-highspeed;
> +       post-power-on-delay-ms = <200>;
> +       status = "okay";
> +};

Please add these so they're sorted alphabetically (but keep the clocks
at the top), so there's at least some sort of system.

>  &gmac0_rmii_refin {
>         clock-frequency = <50000000>;
>  };
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index 64d260ea1f29..ae1a664e7af5 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -370,6 +370,11 @@ syscrg: clock-controller@13020000 {
>                         #reset-cells = <1>;
>                 };
>
> +               sysreg: syscon@13030000 {
> +                       compatible = "starfive,sysreg", "syscon";
> +                       reg = <0x0 0x13030000 0x0 0x1000>;
> +               };
> +
>                 gpio: gpio@13040000 {
>                         compatible = "starfive,jh7110-sys-pinctrl";
>                         reg = <0x0 0x13040000 0x0 0x10000>;
> @@ -407,5 +412,37 @@ gpioa: gpio@17020000 {
>                         gpio-controller;
>                         #gpio-cells = <2>;
>                 };
> +
> +               mmc0: mmc@16010000 {
> +                       compatible = "starfive,jh7110-mmc";
> +                       reg = <0x0 0x16010000 0x0 0x10000>;
> +                       clocks = <&syscrg JH7110_SYSCLK_SDIO0_AHB>,
> +                                <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>;
> +                       clock-names = "biu","ciu";
> +                       resets = <&syscrg JH7110_SYSRST_SDIO0_AHB>;
> +                       reset-names = "reset";
> +                       interrupts = <74>;
> +                       fifo-depth = <32>;
> +                       fifo-watermark-aligned;
> +                       data-addr = <0>;
> +                       starfive,sysreg = <&sysreg 0x14 0x1a 0x7c000000>;

This may need updating depending on whether you fix the driver or bindings.

> +                       status = "disabled";
> +               };
> +
> +               mmc1: mmc@16020000 {
> +                       compatible = "starfive,jh7110-mmc";
> +                       reg = <0x0 0x16020000 0x0 0x10000>;
> +                       clocks = <&syscrg JH7110_SYSCLK_SDIO1_AHB>,
> +                                <&syscrg JH7110_SYSCLK_SDIO1_SDCARD>;
> +                       clock-names = "biu","ciu";
> +                       resets = <&syscrg JH7110_SYSRST_SDIO1_AHB>;
> +                       reset-names = "reset";
> +                       interrupts = <75>;
> +                       fifo-depth = <32>;
> +                       fifo-watermark-aligned;
> +                       data-addr = <0>;
> +                       starfive,sysreg = <&sysreg 0x9c 0x1 0x3e>;
> +                       status = "disabled";
> +               };
>         };
>  };
> --
> 2.34.1
>
>
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