From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takao Orito Subject: [PATCH v2 1/2] dt-bindings: mmc: add DT bindings for Milbeaut SD controller Date: Thu, 30 May 2019 18:22:11 +0900 Message-ID: <1559208131-426-1-git-send-email-orito.takao@socionext.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: ulf.hansson@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, masami.hiramatsu@linaro.org, jaswinder.singh@linaro.org, sugaya.taichi@socionext.com, kasai.kazuhiro@socionext.com, kanematsu.shinji@socionext.com, orito.takao@socionext.com List-Id: devicetree@vger.kernel.org Add the device-tree binding documentation for Milbeaut SDHCI driver. Signed-off-by: Takao Orito --- .../devicetree/bindings/mmc/sdhci-milbeaut.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 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..6063116 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt @@ -0,0 +1,32 @@ +* 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 +- vmmc-supply: a phandle of a fixed GPIO regulator + +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; + vmmc-supply = <&vcc_sdhci3>; + fujitsu,cmd-dat-delay-select; + }; -- 1.9.1