bindings/mmc/samsung,s3c6410-sdhci.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/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     };