From c3d03de3962163855d2007b8c2243b9bf005bec7 Mon Sep 17 00:00:00 2001 From: Marc Gonzalez Date: Tue, 25 Oct 2016 15:15:50 +0200 Subject: [PATCH] mtd: nand: add tango NFC dt bindings doc Add the tango NAND Flash Controller dt bindings documentation. Signed-off-by: Marc Gonzalez Acked-by: Rob Herring Signed-off-by: Boris Brezillon --- .../devicetree/bindings/mtd/tango-nand.txt | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/tango-nand.txt diff --git a/Documentation/devicetree/bindings/mtd/tango-nand.txt b/Documentation/devicetree/bindings/mtd/tango-nand.txt new file mode 100644 index 000000000000..ad5a02f2ac8c --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/tango-nand.txt @@ -0,0 +1,38 @@ +Sigma Designs Tango4 NAND Flash Controller (NFC) + +Required properties: + +- compatible: "sigma,smp8758-nand" +- reg: address/size of nfc_reg, nfc_mem, and pbus_reg +- dmas: reference to the DMA channel used by the controller +- dma-names: "nfc_sbox" +- clocks: reference to the system clock +- #address-cells: <1> +- #size-cells: <0> + +Children nodes represent the available NAND chips. +See Documentation/devicetree/bindings/mtd/nand.txt for generic bindings. + +Example: + + nandc: nand-controller@2c000 { + compatible = "sigma,smp8758-nand"; + reg = <0x2c000 0x30 0x2d000 0x800 0x20000 0x1000>; + dmas = <&dma0 3>; + dma-names = "nfc_sbox"; + clocks = <&clkgen SYS_CLK>; + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; /* CS0 */ + nand-ecc-strength = <14>; + nand-ecc-step-size = <1024>; + }; + + nand@1 { + reg = <1>; /* CS1 */ + nand-ecc-strength = <14>; + nand-ecc-step-size = <1024>; + }; + }; -- 2.39.5