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Diffstat (limited to 'Documentation/devicetree/bindings/mmc/sdhci-msm.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt deleted file mode 100644 index da4edb146a98..000000000000 --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt +++ /dev/null @@ -1,76 +0,0 @@ -* Qualcomm SDHCI controller (sdhci-msm) - -This file documents differences between the core properties in mmc.txt -and the properties used by the sdhci-msm driver. - -Required properties: -- compatible: Should contain a SoC-specific string and a IP version string: - version strings: - "qcom,sdhci-msm-v4" for sdcc versions less than 5.0 - "qcom,sdhci-msm-v5" for sdcc version 5.0 - For SDCC version 5.0.0, MCI registers are removed from SDCC - interface and some registers are moved to HC. New compatible - string is added to support this change - "qcom,sdhci-msm-v5". - full compatible strings with SoC and version: - "qcom,apq8084-sdhci", "qcom,sdhci-msm-v4" - "qcom,msm8974-sdhci", "qcom,sdhci-msm-v4" - "qcom,msm8916-sdhci", "qcom,sdhci-msm-v4" - "qcom,msm8992-sdhci", "qcom,sdhci-msm-v4" - "qcom,msm8996-sdhci", "qcom,sdhci-msm-v4" - "qcom,sdm845-sdhci", "qcom,sdhci-msm-v5" - "qcom,qcs404-sdhci", "qcom,sdhci-msm-v5" - NOTE that some old device tree files may be floating around that only - have the string "qcom,sdhci-msm-v4" without the SoC compatible string - but doing that should be considered a deprecated practice. - -- reg: Base address and length of the register in the following order: - - Host controller register map (required) - - SD Core register map (required for msm-v4 and below) -- interrupts: Should contain an interrupt-specifiers for the interrupts: - - Host controller interrupt (required) -- pinctrl-names: Should contain only one value - "default". -- pinctrl-0: Should specify pin control groups used for this controller. -- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock-names. -- clock-names: Should contain the following: - "iface" - Main peripheral bus clock (PCLK/HCLK - AHB Bus clock) (required) - "core" - SDC MMC clock (MCLK) (required) - "bus" - SDCC bus voter clock (optional) - "xo" - TCXO clock (optional) - "cal" - reference clock for RCLK delay calibration (optional) - "sleep" - sleep clock for RCLK delay calibration (optional) - -Example: - - sdhc_1: sdhci@f9824900 { - compatible = "qcom,msm8974-sdhci", "qcom,sdhci-msm-v4"; - reg = <0xf9824900 0x11c>, <0xf9824000 0x800>; - interrupts = <0 123 0>; - bus-width = <8>; - non-removable; - - vmmc-supply = <&pm8941_l20>; - vqmmc-supply = <&pm8941_s3>; - - pinctrl-names = "default"; - pinctrl-0 = <&sdc1_clk &sdc1_cmd &sdc1_data>; - - clocks = <&gcc GCC_SDCC1_APPS_CLK>, <&gcc GCC_SDCC1_AHB_CLK>; - clock-names = "core", "iface"; - }; - - sdhc_2: sdhci@f98a4900 { - compatible = "qcom,msm8974-sdhci", "qcom,sdhci-msm-v4"; - reg = <0xf98a4900 0x11c>, <0xf98a4000 0x800>; - interrupts = <0 125 0>; - bus-width = <4>; - cd-gpios = <&msmgpio 62 0x1>; - - vmmc-supply = <&pm8941_l21>; - vqmmc-supply = <&pm8941_l13>; - - pinctrl-names = "default"; - pinctrl-0 = <&sdc2_clk &sdc2_cmd &sdc2_data>; - - clocks = <&gcc GCC_SDCC2_APPS_CLK>, <&gcc GCC_SDCC2_AHB_CLK>; - clock-names = "core", "iface"; - }; |