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mmc: sdhci-iproc: add device tree bindings 

Add device tree binding documentation for IPROC SDHCI driver.

Acked-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Corneliu Doban <cdoban@broadcom.com>
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
hifive-unleashed-5.1
Scott Branden 2015-02-09 16:06:31 -08:00 committed by Ulf Hansson
parent 85cc1c3319
commit 61fe2f80f8
1 changed files with 23 additions and 0 deletions
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Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt 100644
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Broadcom IPROC SDHCI controller
This file documents differences between the core properties described
by mmc.txt and the properties that represent the IPROC SDHCI controller.
Required properties:
- compatible : Should be "brcm,sdhci-iproc-cygnus".
- clocks : The clock feeding the SDHCI controller.
Optional properties:
- sdhci,auto-cmd12: specifies that controller should use auto CMD12.
Example:
sdhci0: sdhci@0x18041000 {
compatible = "brcm,sdhci-iproc-cygnus";
reg = <0x18041000 0x100>;
interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&lcpll0_clks BCM_CYGNUS_LCPLL0_SDIO_CLK>;
bus-width = <4>;
sdhci,auto-cmd12;
no-1-8-v;
};