On Thu, 1 Aug 2019 17:17:29 +0800 masonccyang@xxxxxxxxxxx wrote: > Hi Boris, > > > On Thu, 1 Aug 2019 11:55:10 +0800 > > Mason Yang <masonccyang@xxxxxxxxxxx> wrote: > > > > > Document the bindings used by the Macronix raw NAND controller. > > > > > > Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx> > > > --- > > > Documentation/devicetree/bindings/mtd/mxic-nand.txt | 19 > +++++++++++++++++++ > > > 1 file changed, 19 insertions(+) > > > create mode 100644 > Documentation/devicetree/bindings/mtd/mxic-nand.txt > > > > > > diff --git a/Documentation/devicetree/bindings/mtd/mxic-nand.txt b/ > > Documentation/devicetree/bindings/mtd/mxic-nand.txt > > > new file mode 100644 > > > index 0000000..de37d60 > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/mtd/mxic-nand.txt > > > @@ -0,0 +1,19 @@ > > > +Macronix Raw NAND Controller Device Tree Bindings > > > +------------------------------------------------- > > > + > > > +Required properties: > > > +- compatible: should be "mxicy,multi-itfc-v009-nand-morph" > > > +- reg: should contain 1 entry for the registers > > > +- interrupts: interrupt line connected to this raw NAND controller > > > +- clock-names: should contain "ps", "send" and "send_dly" > > > +- clocks: should contain 3 phandles for the "ps", "send" and > > > + "send_dly" clocks > > > + > > > +Example: > > > + > > > + nand: nand-controller@43c30000 { > > > + compatible = "mxicy,multi-itfc-v009-nand-morph"; > > > + reg = <0x43c30000 0x10000>; > > > + clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 15>; > > > + clock-names = "send", "send_dly", "ps"; > > > > You should have subnodes describing the NAND connected to the > > controller (see [1]). > > > > [1] > https://elixir.bootlin.com/linux/v5.3-rc2/source/Documentation/devicetree/ > > bindings/mtd/nand-controller.yaml#L131 > > > > > + }; > > > > Do you mean to add patternProperties ? > > nand: nand-controller@43c30000 { > compatible = > "mxicy,multi-itfc-v009-nand-morph"; > reg = <0x43c30000 0x10000>; > clocks = <&clkwizard 0>, <&clkwizard 1>, > <&clkc 15>; > clock-names = "send", "send_dly", "ps"; > #address-cells = <1>; #size-cells = <0>; > + nand@0 { > + reg = <0>; /* nand props here */ > + }; > }; > > something like that. Yes, something like that. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/