From d3b2cd0ed05ef8807922d3ce1c21a3e7e2257165 Mon Sep 17 00:00:00 2001 From: Al Cooper Date: Thu, 16 Jun 2016 12:47:17 -0400 Subject: [PATCH] mmc: DT: sdhci-brcmstb: Add device tree bindings The example includes the properties required to enable UHS modes. Signed-off-by: Al Cooper Signed-off-by: Ulf Hansson --- .../bindings/mmc/brcm,bcm7425-sdhci.txt | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/brcm,bcm7425-sdhci.txt diff --git a/Documentation/devicetree/bindings/mmc/brcm,bcm7425-sdhci.txt b/Documentation/devicetree/bindings/mmc/brcm,bcm7425-sdhci.txt new file mode 100644 index 000000000000..82847174c37d --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/brcm,bcm7425-sdhci.txt @@ -0,0 +1,36 @@ +* BROADCOM BRCMSTB/BMIPS SDHCI Controller + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci-brcmstb driver. + +NOTE: The driver disables all UHS speed modes by default and depends +on Device Tree properties to enable them for SoC/Board combinations +that support them. + +Required properties: +- compatible: "brcm,bcm7425-sdhci" + +Refer to clocks/clock-bindings.txt for generic clock consumer properties. + +Example: + + sdhci@f03e0100 { + compatible = "brcm,bcm7425-sdhci"; + reg = <0xf03e0000 0x100>; + interrupts = <0x0 0x26 0x0>; + sdhci,auto-cmd12; + clocks = <&sw_sdio>; + sd-uhs-sdr50; + sd-uhs-ddr50; + }; + + sdhci@f03e0300 { + non-removable; + bus-width = <0x8>; + compatible = "brcm,bcm7425-sdhci"; + reg = <0xf03e0200 0x100>; + interrupts = <0x0 0x27 0x0>; + sdhci,auto-cmd12; + clocks = ; + mmc-hs200-1_8v; + }; -- 2.39.5