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

[Alim Akhtar]

Hi Rob
Can you pick up this patch via your tree? or you want Martin to pick it up?

On Sat, Aug 14, 2021 at 10:25 PM Alim Akhtar <alim.akhtar at gmail.com> wrote:
>
> Ping!!
>
> On Wed, Aug 4, 2021 at 9:01 AM Alim Akhtar <alim.akhtar at samsung.com> wrote:
> >
> > This patch adds DT bindings for Samsung ufs hci
> >
> > Signed-off-by: Alim Akhtar <alim.akhtar at samsung.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 at samsung.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 at 15570000 {
> > +       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



-- 
Regards,
Alim