hisilicon,ufs.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/ufs/hisilicon,ufs.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: HiSilicon Universal Flash Storage (UFS) Controller
    8 
    9 maintainers:
   10   - Li Wei <liwei213@huawei.com>
   11 
   12 # Select only our matches, not all jedec,ufs
   13 select:
   14   properties:
   15     compatible:
   16       contains:
   17         enum:
   18           - hisilicon,hi3660-ufs
   19           - hisilicon,hi3670-ufs
   20   required:
   21     - compatible
   22 
   23 allOf:
   24   - $ref: ufs-common.yaml
   25 
   26 properties:
   27   compatible:
   28     oneOf:
   29       - items:
   30           - const: hisilicon,hi3660-ufs
   31           - const: jedec,ufs-1.1
   32       - items:
   33           - enum:
   34               - hisilicon,hi3670-ufs
   35           - const: jedec,ufs-2.1
   36 
   37   clocks:
   38     minItems: 2
   39     maxItems: 2
   40 
   41   clock-names:
   42     items:
   43       - const: ref_clk
   44       - const: phy_clk
   45 
   46   reg:
   47     items:
   48       - description: UFS register address space
   49       - description: UFS SYS CTRL register address space
   50 
   51   resets:
   52     maxItems: 1
   53 
   54   reset-names:
   55     items:
   56       - const: rst
   57 
   58 required:
   59   - compatible
   60   - reg
   61   - resets
   62   - reset-names
   63 
   64 unevaluatedProperties: false
   65 
   66 examples:
   67   - |
   68     #include <dt-bindings/clock/hi3670-clock.h>
   69     #include <dt-bindings/interrupt-controller/arm-gic.h>
   70 
   71     soc {
   72         #address-cells = <2>;
   73         #size-cells = <2>;
   74 
   75         ufs@ff3c0000 {
   76             compatible = "hisilicon,hi3670-ufs", "jedec,ufs-2.1";
   77             reg = <0x0 0xff3c0000 0x0 0x1000>,
   78                   <0x0 0xff3e0000 0x0 0x1000>;
   79             interrupt-parent = <&gic>;
   80             interrupts = <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>;
   81             clocks = <&crg_ctrl HI3670_CLK_GATE_UFSIO_REF>,
   82                      <&crg_ctrl HI3670_CLK_GATE_UFS_SUBSYS>;
   83             clock-names = "ref_clk", "phy_clk";
   84             freq-table-hz = <0 0>,
   85                             <0 0>;
   86 
   87             resets = <&crg_rst 0x84 12>;
   88             reset-names = "rst";
   89         };
   90     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/ufs/hisilicon,ufs.yaml

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sys/contrib/device-tree/Bindings/ufs/hisilicon,ufs.yaml