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,bcm2712-sdhci
24 - brcm,bcm74165b0-sdhci
25 - brcm,bcm7445-sdhci
26 - brcm,bcm7425-sdhci
27 - const: brcm,sdhci-brcmstb
28
29 reg:
30 maxItems: 2
31
32 reg-names:
33 items:
34 - const: host
35 - const: cfg
36
37 interrupts:
38 maxItems: 1
39
40 clocks:
41 minItems: 1
42 items:
43 - description: handle to core clock for the sdhci controller
44 - description: handle to improved 150Mhz clock for sdhci controller (Optional clock)
45
46 clock-names:
47 minItems: 1
48 items:
49 - const: sw_sdio
50 - const: sdio_freq # Optional clock
51
52 clock-frequency:
53 description:
54 Maximum operating frequency of sdio_freq sdhci controller clock
55 $ref: /schemas/types.yaml#/definitions/uint32
56 minimum: 100000000
57 maximum: 150000000
58
59 sdhci,auto-cmd12:
60 type: boolean
61 description: Specifies that controller should use auto CMD12
62
63 allOf:
64 - $ref: mmc-controller.yaml#
65 - if:
66 properties:
67 clock-names:
68 contains:
69 const: sdio_freq
70
71 then:
72 required:
73 - clock-frequency
74
75 required:
76 - compatible
77 - reg
78 - interrupts
79 - clocks
80 - clock-names
81
82 unevaluatedProperties: false
83
84 examples:
85 - |
86 mmc@84b0000 {
87 compatible = "brcm,bcm7216-sdhci",
88 "brcm,bcm7445-sdhci",
89 "brcm,sdhci-brcmstb";
90 reg = <0x84b0000 0x260>, <0x84b0300 0x200>;
91 reg-names = "host", "cfg";
92 sd-uhs-sdr50;
93 sd-uhs-ddr50;
94 sd-uhs-sdr104;
95 sdhci,auto-cmd12;
96 interrupts = <0x0 0x26 0x4>;
97 clocks = <&scmi_clk 245>;
98 clock-names = "sw_sdio";
99 };
100
101 mmc@84b1000 {
102 compatible = "brcm,bcm7216-sdhci",
103 "brcm,bcm7445-sdhci",
104 "brcm,sdhci-brcmstb";
105 reg = <0x84b1000 0x260>, <0x84b1300 0x200>;
106 reg-names = "host", "cfg";
107 mmc-ddr-1_8v;
108 mmc-hs200-1_8v;
109 mmc-hs400-1_8v;
110 mmc-hs400-enhanced-strobe;
111 supports-cqe;
112 non-removable;
113 bus-width = <0x8>;
114 interrupts = <0x0 0x27 0x4>;
115 clocks = <&scmi_clk 245>;
116 clock-names = "sw_sdio";
117 };
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