linux-kernel - Re: [PATCH v11] dt-bindings: ufs: Add bindings for Samsung ufs host

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Message-ID: <CAGOxZ53emv4H4UqT2L7tDtTXRgDrtrqti=FtfkNWo2M3rTnZMw@mail.gmail.com>
Date:   Sat, 14 Aug 2021 22:25:17 +0530
From:   Alim Akhtar <alim.akhtar@...il.com>
To:     Alim Akhtar <alim.akhtar@...sung.com>
Cc:     open list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org,
        "robh+dt" <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v11] dt-bindings: ufs: Add bindings for Samsung ufs host

Ping!!

On Wed, Aug 4, 2021 at 9:01 AM Alim Akhtar <alim.akhtar@...sung.com> wrote:
>
> This patch adds DT bindings for Samsung ufs hci
>
> Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
> ---
> Changes since v10
> * Rebased on v5.14-rc2
> * removed Rob Herring earlier Reviewed-by tag
>
> This patch was part of exynos ufs driver series, somehow
> this got missed to applied on the tree, sending again as a new
> patch v11, removing Rob's earlier Reviewed-by tag.
>
>  .../bindings/ufs/samsung,exynos-ufs.yaml      | 89 +++++++++++++++++++
>  1 file changed, 89 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
>
> diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> new file mode 100644
> index 000000000000..38193975c9f1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> @@ -0,0 +1,89 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/ufs/samsung,exynos-ufs.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung SoC series UFS host controller Device Tree Bindings
> +
> +maintainers:
> +  - Alim Akhtar <alim.akhtar@...sung.com>
> +
> +description: |
> +  Each Samsung UFS host controller instance should have its own node.
> +  This binding define Samsung specific binding other then what is used
> +  in the common ufshcd bindings
> +  [1] Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> +
> +properties:
> +
> +  compatible:
> +    enum:
> +      - samsung,exynos7-ufs
> +
> +  reg:
> +    items:
> +     - description: HCI register
> +     - description: vendor specific register
> +     - description: unipro register
> +     - description: UFS protector register
> +
> +  reg-names:
> +    items:
> +      - const: hci
> +      - const: vs_hci
> +      - const: unipro
> +      - const: ufsp
> +
> +  clocks:
> +    items:
> +      - description: ufs link core clock
> +      - description: unipro main clock
> +
> +  clock-names:
> +    items:
> +      - const: core_clk
> +      - const: sclk_unipro_main
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  phys:
> +    maxItems: 1
> +
> +  phy-names:
> +    const: ufs-phy
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - phys
> +  - phy-names
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/exynos7-clk.h>
> +
> +    ufs: ufs@...70000 {
> +       compatible = "samsung,exynos7-ufs";
> +       reg = <0x15570000 0x100>,
> +             <0x15570100 0x100>,
> +             <0x15571000 0x200>,
> +             <0x15572000 0x300>;
> +       reg-names = "hci", "vs_hci", "unipro", "ufsp";
> +       interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
> +       clocks = <&clock_fsys1 ACLK_UFS20_LINK>,
> +                <&clock_fsys1 SCLK_UFSUNIPRO20_USER>;
> +       clock-names = "core_clk", "sclk_unipro_main";
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;
> +       phys = <&ufs_phy>;
> +       phy-names = "ufs-phy";
> +    };
> +...
>
> base-commit: 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
> --
> 2.17.1
>


-- 
Regards,
Alim