From 4177bc5038c80c9dffa1fb1c7ba0762cb5ef1f75 Mon Sep 17 00:00:00 2001 From: Takao Orito Date: Tue, 10 Sep 2019 10:40:52 +0900 Subject: dt-bindings: mmc: add DT bindings for Milbeaut SD controller Add the device-tree binding documentation for Milbeaut SDHCI driver. Signed-off-by: Takao Orito Reviewed-by: Rob Herring Signed-off-by: Ulf Hansson --- .../devicetree/bindings/mmc/sdhci-milbeaut.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt (limited to 'Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt') diff --git a/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt b/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt new file mode 100644 index 000000000000..627ee89c125b --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt @@ -0,0 +1,30 @@ +* SOCIONEXT Milbeaut SDHCI controller + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci_milbeaut driver. + +Required properties: +- compatible: "socionext,milbeaut-m10v-sdhci-3.0" +- clocks: Must contain an entry for each entry in clock-names. It is a + list of phandles and clock-specifier pairs. + See ../clocks/clock-bindings.txt for details. +- clock-names: Should contain the following two entries: + "iface" - clock used for sdhci interface + "core" - core clock for sdhci controller + +Optional properties: +- fujitsu,cmd-dat-delay-select: boolean property indicating that this host + requires the CMD_DAT_DELAY control to be enabled. + +Example: + sdhci3: mmc@1b010000 { + compatible = "socionext,milbeaut-m10v-sdhci-3.0"; + reg = <0x1b010000 0x10000>; + interrupts = <0 265 0x4>; + voltage-ranges = <3300 3300>; + bus-width = <4>; + clocks = <&clk 7>, <&ahb_clk>; + clock-names = "core", "iface"; + cap-sdio-irq; + fujitsu,cmd-dat-delay-select; + }; -- cgit