xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/ufs/sprd,ums9620-ufs.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/ufs/sprd,ums9620-ufs.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Unisoc Universal Flash Storage (UFS) Controller

maintainers:
  - Zhe Wang <zhe.wang1@unisoc.com>

allOf:
  - $ref: ufs-common.yaml

properties:
  compatible:
    const: sprd,ums9620-ufs

  reg:
    maxItems: 1

  clocks:
    maxItems: 3

  clock-names:
    items:
      - const: controller_eb
      - const: cfg_eb
      - const: core

  resets:
    maxItems: 2

  reset-names:
    items:
      - const: controller
      - const: device

  vdd-mphy-supply:
    description:
      Phandle to vdd-mphy supply regulator node.

  sprd,ufs-anlg-syscon:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: phandle of syscon used to control ufs analog regs.

  sprd,aon-apb-syscon:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: phandle of syscon used to control always-on regs.

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - resets
  - reset-names

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    ufs: ufs@22000000 {
        compatible = "sprd,ums9620-ufs";
        reg = <0x22000000 0x3000>;
        interrupts = <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>;
        vcc-supply = <&vddemmccore>;
        vdd-mphy-supply = <&vddufs1v2>;
        clocks = <&apahb_gate 5>, <&apahb_gate 22>, <&aonapb_clk 52>;
        clock-names = "controller_eb", "cfg_eb", "core";
        assigned-clocks = <&aonapb_clk 52>;
        assigned-clock-parents = <&g5l_pll 12>;
        resets = <&apahb_gate 4>, <&aonapb_gate 69>;
        reset-names = "controller", "device";
        sprd,ufs-anlg-syscon = <&anlg_phy_g12_regs>;
        sprd,aon-apb-syscon = <&aon_apb_regs>;
    };