Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mmc/brcm,sdhci-brcmstb.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom BRCMSTB/BMIPS SDHCI Controller
   8
   9 maintainers:
  10   - Al Cooper <alcooperx@gmail.com>
  11   - Florian Fainelli <f.fainelli@gmail.com>
  12
  13 properties:
  14   compatible:
  15     oneOf:
  16       - items:
  17           - enum:
  18               - brcm,bcm7216-sdhci
  19           - const: brcm,bcm7445-sdhci
  20           - const: brcm,sdhci-brcmstb
  21       - items:
  22           - enum:
  23               - brcm,bcm74165b0-sdhci
  24               - brcm,bcm7445-sdhci
  25               - brcm,bcm7425-sdhci
  26           - const: brcm,sdhci-brcmstb
  27
  28   reg:
  29     maxItems: 2
  30
  31   reg-names:
  32     items:
  33       - const: host
  34       - const: cfg
  35
  36   interrupts:
  37     maxItems: 1
  38
  39   clocks:
  40     minItems: 1
  41     items:
  42       - description: handle to core clock for the sdhci controller
  43       - description: handle to improved 150Mhz clock for sdhci controller (Optional clock)
  44
  45   clock-names:
  46     minItems: 1
  47     items:
  48       - const: sw_sdio
  49       - const: sdio_freq # Optional clock
  50
  51   clock-frequency:
  52     description:
  53       Maximum operating frequency of sdio_freq sdhci controller clock
  54     $ref: /schemas/types.yaml#/definitions/uint32
  55     minimum: 100000000
  56     maximum: 150000000
  57
  58   sdhci,auto-cmd12:
  59     type: boolean
  60     description: Specifies that controller should use auto CMD12
  61
  62 allOf:
  63   - $ref: mmc-controller.yaml#
  64   - if:
  65       properties:
  66         clock-names:
  67           contains:
  68             const: sdio_freq
  69
  70     then:
  71       required:
  72         - clock-frequency
  73
  74 required:
  75   - compatible
  76   - reg
  77   - interrupts
  78   - clocks
  79   - clock-names
  80
  81 unevaluatedProperties: false
  82
  83 examples:
  84   - |
  85     mmc@84b0000 {
  86       compatible = "brcm,bcm7216-sdhci",
  87                    "brcm,bcm7445-sdhci",
  88                    "brcm,sdhci-brcmstb";
  89       reg = <0x84b0000 0x260>, <0x84b0300 0x200>;
  90       reg-names = "host", "cfg";
  91       sd-uhs-sdr50;
  92       sd-uhs-ddr50;
  93       sd-uhs-sdr104;
  94       sdhci,auto-cmd12;
  95       interrupts = <0x0 0x26 0x4>;
  96       clocks = <&scmi_clk 245>;
  97       clock-names = "sw_sdio";
  98     };
  99
 100     mmc@84b1000 {
 101       compatible = "brcm,bcm7216-sdhci",
 102                    "brcm,bcm7445-sdhci",
 103                    "brcm,sdhci-brcmstb";
 104       reg = <0x84b1000 0x260>, <0x84b1300 0x200>;
 105       reg-names = "host", "cfg";
 106       mmc-ddr-1_8v;
 107       mmc-hs200-1_8v;
 108       mmc-hs400-1_8v;
 109       mmc-hs400-enhanced-strobe;
 110       supports-cqe;
 111       non-removable;
 112       bus-width = <0x8>;
 113       interrupts = <0x0 0x27 0x4>;
 114       clocks = <&scmi_clk 245>;
 115       clock-names = "sw_sdio";
 116     };