diff --git a/Documentation/devicetree/bindings/mmc/samsung,s3c6410-sdhci.yaml b/Documentation/devicetree/bindings/mmc/samsung,s3c6410-sdhci.yaml new file mode 100644 index 0000000000000..5d873a60f650a --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/samsung,s3c6410-sdhci.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/samsung,s3c6410-sdhci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC SDHCI Controller + +maintainers: + - Jaehoon Chung + - Krzysztof Kozlowski + +properties: + compatible: + enum: + - samsung,s3c6410-sdhci + - samsung,exynos4210-sdhci + + reg: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 5 + + clock-names: + minItems: 2 + items: + - const: hsmmc + - pattern: "^mmc_busclk.[0-3]$" + - pattern: "^mmc_busclk.[0-3]$" + - pattern: "^mmc_busclk.[0-3]$" + - pattern: "^mmc_busclk.[0-3]$" + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +allOf: + - $ref: mmc-controller.yaml# + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos4210-sdhci + then: + properties: + clocks: + maxItems: 2 + clock-names: + items: + - const: hsmmc + - const: mmc_busclk.2 + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + mmc@12510000 { + compatible = "samsung,exynos4210-sdhci"; + reg = <0x12510000 0x100>; + interrupts = ; + clocks = <&clock CLK_SDMMC0>, <&clock CLK_SCLK_MMC0>; + clock-names = "hsmmc", "mmc_busclk.2"; + bus-width = <4>; + cd-gpios = <&gpx3 4 GPIO_ACTIVE_LOW>; + pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sdhci2_cd>; + pinctrl-names = "default"; + vmmc-supply = <&ldo21_reg>; + }; diff --git a/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt b/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt deleted file mode 100644 index 42e0a9afa1001..0000000000000 --- a/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt +++ /dev/null @@ -1,32 +0,0 @@ -* Samsung's SDHCI Controller device tree bindings - -Samsung's SDHCI controller is used as a connectivity interface with external -MMC, SD and eMMC storage mediums. This file documents differences between the -core mmc properties described by mmc.txt and the properties used by the -Samsung implementation of the SDHCI controller. - -Required SoC Specific Properties: -- compatible: should be one of the following - - "samsung,s3c6410-sdhci": For controllers compatible with s3c6410 sdhci - controller. - - "samsung,exynos4210-sdhci": For controllers compatible with Exynos4 sdhci - controller. - -Required Board Specific Properties: -- pinctrl-0: Should specify pin control groups used for this controller. -- pinctrl-names: Should contain only one value - "default". - -Example: - sdhci@12530000 { - compatible = "samsung,exynos4210-sdhci"; - reg = <0x12530000 0x100>; - interrupts = <0 75 0>; - bus-width = <4>; - cd-gpios = <&gpk2 2 0>; - pinctrl-names = "default"; - pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4>; - }; - - Note: This example shows both SoC specific and board specific properties - in a single device node. The properties can be actually be separated - into SoC specific node and board specific node.