1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mmc/ingenic,mmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Ingenic SoCs MMC Controller
8
9 maintainers:
10 - Paul Cercueil <paul@crapouillou.net>
11
12 allOf:
13 - $ref: mmc-controller.yaml#
14
15 properties:
16 compatible:
17 oneOf:
18 - enum:
19 - ingenic,jz4740-mmc
20 - ingenic,jz4725b-mmc
21 - ingenic,jz4760-mmc
22 - ingenic,jz4775-mmc
23 - ingenic,jz4780-mmc
24 - ingenic,x1000-mmc
25 - items:
26 - const: ingenic,jz4770-mmc
27 - const: ingenic,jz4760-mmc
28
29 reg:
30 maxItems: 1
31
32 interrupts:
33 maxItems: 1
34
35 clocks:
36 maxItems: 1
37
38 clock-names:
39 const: mmc
40
41 dmas:
42 minItems: 1
43 maxItems: 2
44
45 dma-names:
46 oneOf:
47 - items:
48 - const: rx
49 - const: tx
50 - const: tx-rx
51
52 required:
53 - compatible
54 - reg
55 - interrupts
56 - clocks
57 - clock-names
58 - dmas
59 - dma-names
60
61 unevaluatedProperties: false
62
63 examples:
64 - |
65 #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
66 #include <dt-bindings/dma/jz4780-dma.h>
67 mmc0: mmc@13450000 {
68 compatible = "ingenic,jz4780-mmc";
69 reg = <0x13450000 0x1000>;
70
71 interrupt-parent = <&intc>;
72 interrupts = <37>;
73
74 clocks = <&cgu JZ4780_CLK_MSC0>;
75 clock-names = "mmc";
76
77 cap-sd-highspeed;
78 cap-mmc-highspeed;
79 cap-sdio-irq;
80 dmas = <&dma JZ4780_DMA_MSC0_RX 0xffffffff>,
81 <&dma JZ4780_DMA_MSC0_TX 0xffffffff>;
82 dma-names = "rx", "tx";
83 };
84 - |
85 #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
86 #include <dt-bindings/dma/jz4780-dma.h>
87 /*
88 * Alternative version of the example above,
89 * but using one single DMA channel for both
90 * TX and RX.
91 */
92 mmc1: mmc@13460000 {
93 compatible = "ingenic,jz4780-mmc";
94 reg = <0x13460000 0x1000>;
95
96 interrupt-parent = <&intc>;
97 interrupts = <36>;
98
99 clocks = <&cgu JZ4780_CLK_MSC1>;
100 clock-names = "mmc";
101
102 cap-sd-highspeed;
103 cap-mmc-highspeed;
104 cap-sdio-irq;
105 dmas = <&dma JZ4780_DMA_MSC1_TX JZ4780_DMA_MSC1_RX 0xffffffff>;
106 dma-names = "tx-rx";
107 };
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