Add pl353 static memory controller devicetree binding information. Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xxxxxxxxxx> --- Changes in v7: - Corrected clocks description - prefixed '#' for address and size cells Changes in v6: - None Changes in v5: - Removed timing properties Changes in v4: - none Changes in v3: - none Changes in v2: - modified timing binding info as per onfi timing parameters - add suffix nano second as timing unit - modified the clock names as per the IP spec --- .../bindings/memory-controllers/pl353-smc.txt | 37 ++++++++++++++++++++ 1 files changed, 37 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt diff --git a/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt b/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt new file mode 100644 index 0000000..4e6b27b --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt @@ -0,0 +1,37 @@ +Device tree bindings for ARM PL353 static memory controller + +PL353 static memory controller supports two kinds of memory +interfaces. i.e NAND and SRAM/NOR interfaces. +The actual devices are instantiated from the child nodes of pl353 smc node. + +Required properties: +- compatible : Should be "arm,pl353-smc-r2p1" +- reg : Controller registers map and length. +- clock-names : List of input clock names - "memclk", "aclk" + (See clock bindings for details). +- clocks : Clock specifiers (see clock bindings for details). +- #address-cells : Address cells, must be 1. +- #size-cells : Size cells. Must be 1. + +Child nodes: + For NAND the "arm,pl353-nand-r2p1" and for NOR the "cfi-flash" drivers are +supported as child nodes. + +for nand partition information please refer the below file +Documentation/devicetree/bindings/mtd/partition.txt + +Example: + pl353smcc_0: pl353smcc@e000e000 { + compatible = "arm,pl353-smcc-r2p1" + clock-names = "memclk", "aclk"; + clocks = <&clkc 11>, <&clkc 44>; + reg = <0xe000e000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + nand_0: nand@e1000000 { + compatible = "arm,pl353-nand-r2p1" + reg = <0xe1000000 0x1000000>; + (...) + }; + }; -- 1.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html