path: root/Documentation/devicetree/bindings/mmc
diff options
authorDinh Nguyen <dinguyen@altera.com>2014-02-18 02:31:02 (GMT)
committerDinh Nguyen <dinguyen@altera.com>2014-03-10 04:11:35 (GMT)
commit9b931361ff0971d2639b1366f8b468c687fa942f (patch)
tree7d38293deaeddd014219ddbb749d23a88f575d24 /Documentation/devicetree/bindings/mmc
parentf1ce1a99f289474cf047923981369d5ba140c125 (diff)
dts: socfpga: Add support for SD/MMC on the SOCFPGA platform
Introduce "altr,socfpga-dw-mshc" to enable Altera's SOCFPGA platform specific implementation of the dw_mmc driver. Also add the "syscon" binding to the "altr,sys-mgr" node. The clock driver can use the syscon driver to toggle the register for the SD/MMC clock phase shift settings. Finally, fix an indentation error for the sysmgr node. Signed-off-by: Dinh Nguyen <dinguyen@altera.com> Acked-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Tested-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt
new file mode 100644
index 0000000..4897bea
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt
@@ -0,0 +1,23 @@
+* Altera SOCFPGA specific extensions to the Synopsys Designware Mobile
+ Storage Host Controller
+The Synopsys designware mobile storage host controller is used to interface
+a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
+differences between the core Synopsys dw mshc controller properties described
+by synopsys-dw-mshc.txt and the properties used by the Altera SOCFPGA specific
+extensions to the Synopsys Designware Mobile Storage Host Controller.
+Required Properties:
+* compatible: should be
+ - "altr,socfpga-dw-mshc": for Altera's SOCFPGA platform
+ mmc: dwmmc0@ff704000 {
+ compatible = "altr,socfpga-dw-mshc";
+ reg = <0xff704000 0x1000>;
+ interrupts = <0 129 4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };

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