Add device tree binding documentation for IPROC SDHCI driver.
Acked-by: Ray Jui <rjui@xxxxxxxxxxxx>
Signed-off-by: Corneliu Doban <cdoban@xxxxxxxxxxxx>
Signed-off-by: Scott Branden <sbranden@xxxxxxxxxxxx>
---
.../devicetree/bindings/mmc/brcm,sdhci-iproc.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
new file mode 100644
index 0000000..72cc9cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
@@ -0,0 +1,23 @@
+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;
+};
--
2.2.2
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