brcm,sdhci-iproc.txt

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    1 Broadcom IPROC SDHCI controller
    2 
    3 This file documents differences between the core properties described
    4 by mmc.txt and the properties that represent the IPROC SDHCI controller.
    5 
    6 Required properties:
    7 - compatible : Should be one of the following
    8                "brcm,bcm2835-sdhci"
    9                "brcm,bcm2711-emmc2"
   10                "brcm,sdhci-iproc-cygnus"
   11                "brcm,sdhci-iproc"
   12 
   13 Use brcm2835-sdhci for the eMMC controller on the BCM2835 (Raspberry Pi) and
   14 bcm2711-emmc2 for the additional eMMC2 controller on BCM2711.
   15 
   16 Use sdhci-iproc-cygnus for Broadcom SDHCI Controllers
   17 restricted to 32bit host accesses to SDHCI registers.
   18 
   19 Use sdhci-iproc for Broadcom SDHCI Controllers that allow standard
   20 8, 16, 32-bit host access to SDHCI register.
   21 
   22 - clocks : The clock feeding the SDHCI controller.
   23 
   24 Optional properties:
   25   - sdhci,auto-cmd12: specifies that controller should use auto CMD12.
   26 
   27 Example:
   28 
   29 sdhci0: sdhci@18041000 {
   30         compatible = "brcm,sdhci-iproc-cygnus";
   31         reg = <0x18041000 0x100>;
   32         interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
   33         clocks = <&lcpll0_clks BCM_CYGNUS_LCPLL0_SDIO_CLK>;
   34         bus-width = <4>;
   35         sdhci,auto-cmd12;
   36         no-1-8-v;
   37 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mmc/brcm,sdhci-iproc.txt

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sys/contrib/device-tree/Bindings/mmc/brcm,sdhci-iproc.txt