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Date: Tue, 10 Sep 2019 10:40:52 +0900 From: Takao Orito <orito.takao@...ionext.com> To: ulf.hansson@...aro.org, robh+dt@...nel.org, mark.rutland@....com, adrian.hunter@...el.com Cc: linux-mmc@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, masami.hiramatsu@...aro.org, jaswinder.singh@...aro.org, sugaya.taichi@...ionext.com, kasai.kazuhiro@...ionext.com, kanematsu.shinji@...ionext.com, orito.takao@...ionext.com Subject: [PATCH v3 1/2] 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 <orito.takao@...ionext.com> Reviewed-by: Rob Herring <robh@...nel.org> --- .../devicetree/bindings/mmc/sdhci-milbeaut.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 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 0000000..627ee89 --- /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@...10000 { + 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; + }; -- 1.9.1
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