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author | Al Cooper <alcooperx@gmail.com> | 2016-06-16 16:47:17 (GMT) |
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committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-07-25 08:34:13 (GMT) |
commit | d3b2cd0ed05ef8807922d3ce1c21a3e7e2257165 (patch) | |
tree | 7192478a596f73bf8efb137502e6e9ddbd9d6115 /Documentation | |
parent | d806b46e5f496a6335ebd7f8432d2533507ce9a2 (diff) | |
download | linux-d3b2cd0ed05ef8807922d3ce1c21a3e7e2257165.tar.xz |
mmc: DT: sdhci-brcmstb: Add device tree bindings
The example includes the properties required to enable UHS modes.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/brcm,bcm7425-sdhci.txt | 36 |
1 files changed, 36 insertions, 0 deletions
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 0000000..8284717 --- /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 = <sw_sdio>; + mmc-hs200-1_8v; + }; |