1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mmc/samsung,s3c6410-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Samsung SoC SDHCI Controller
8
9 maintainers:
10 - Jaehoon Chung <jh80.chung@samsung.com>
11 - Krzysztof Kozlowski <krzk@kernel.org>
12
13 properties:
14 compatible:
15 enum:
16 - samsung,s3c6410-sdhci
17 - samsung,exynos4210-sdhci
18
19 reg:
20 maxItems: 1
21
22 clocks:
23 minItems: 2
24 maxItems: 5
25
26 clock-names:
27 minItems: 2
28 items:
29 - const: hsmmc
30 - pattern: "^mmc_busclk.[0-3]$"
31 - pattern: "^mmc_busclk.[0-3]$"
32 - pattern: "^mmc_busclk.[0-3]$"
33 - pattern: "^mmc_busclk.[0-3]$"
34
35 interrupts:
36 maxItems: 1
37
38 required:
39 - compatible
40 - reg
41 - interrupts
42 - clocks
43 - clock-names
44
45 allOf:
46 - $ref: mmc-controller.yaml#
47 - if:
48 properties:
49 compatible:
50 contains:
51 enum:
52 - samsung,exynos4210-sdhci
53 then:
54 properties:
55 clocks:
56 maxItems: 2
57 clock-names:
58 items:
59 - const: hsmmc
60 - const: mmc_busclk.2
61
62 unevaluatedProperties: false
63
64 examples:
65 - |
66 #include <dt-bindings/clock/exynos4.h>
67 #include <dt-bindings/gpio/gpio.h>
68 #include <dt-bindings/interrupt-controller/arm-gic.h>
69
70 mmc@12510000 {
71 compatible = "samsung,exynos4210-sdhci";
72 reg = <0x12510000 0x100>;
73 interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
74 clocks = <&clock CLK_SDMMC0>, <&clock CLK_SCLK_MMC0>;
75 clock-names = "hsmmc", "mmc_busclk.2";
76 bus-width = <4>;
77 cd-gpios = <&gpx3 4 GPIO_ACTIVE_LOW>;
78 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sdhci2_cd>;
79 pinctrl-names = "default";
80 vmmc-supply = <&ldo21_reg>;
81 };
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