On Fri, Feb 07, 2025 at 10:30:28PM +0100, J. Neuschäfer wrote: > Formalize the binding already supported by the fsl_elbc_nand.c driver > and used in several device trees in arch/powerpc/boot/dts/. > > Signed-off-by: J. Neuschäfer <j.ne@xxxxxxxxxx> > --- > > V2: > - split out from fsl,elbc binding patch > - constrain #address-cells and #size-cells > - add a general description > - use unevaluatedProperties=false instead of additionalProperties=false > - fix property order to comply with dts coding style > - include raw-nand-chip.yaml instead of nand-chip.yaml Why? Doesn't look like you use anything from it. I think the correct thing to use here is just mtd.yaml to pick up partitions. > --- > .../devicetree/bindings/mtd/fsl,elbc-fcm-nand.yaml | 68 ++++++++++++++++++++++ > 1 file changed, 68 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mtd/fsl,elbc-fcm-nand.yaml b/Documentation/devicetree/bindings/mtd/fsl,elbc-fcm-nand.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..1de97bb24fa4a83e2ea5d94ab822dd0e37baa102 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mtd/fsl,elbc-fcm-nand.yaml > @@ -0,0 +1,68 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mtd/fsl,elbc-fcm-nand.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: NAND flash attached to Freescale eLBC > + > +description: > + The Freescale Enhanced Local Bus controller (eLBC) contains logic to > + interface with NAND flash, called the NAND Flash Control Machine (FCM). > + This binding describes flash attached to an eLBC using the FCM. > + > +maintainers: > + - J. Neuschäfer <j.ne@xxxxxxxxxx> > + > +allOf: > + - $ref: raw-nand-chip.yaml# > + > +properties: > + compatible: > + oneOf: > + - items: > + - enum: > + - fsl,mpc8313-fcm-nand > + - fsl,mpc8315-fcm-nand > + - fsl,mpc8377-fcm-nand > + - fsl,mpc8378-fcm-nand > + - fsl,mpc8379-fcm-nand > + - fsl,mpc8536-fcm-nand > + - fsl,mpc8569-fcm-nand > + - fsl,mpc8572-fcm-nand > + - fsl,p1020-fcm-nand > + - fsl,p1021-fcm-nand > + - fsl,p1025-fcm-nand > + - fsl,p2020-fcm-nand > + - const: fsl,elbc-fcm-nand > + - const: fsl,elbc-fcm-nand > + > + reg: > + maxItems: 1 > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 1 > + > +required: > + - compatible > + - reg > + > +unevaluatedProperties: false > + > +examples: > + - | > + localbus { > + #address-cells = <2>; > + #size-cells = <1>; > + > + nand@1,0 { > + compatible = "fsl,mpc8315-fcm-nand", > + "fsl,elbc-fcm-nand"; > + reg = <0x1 0x0 0x2000>; > + #address-cells = <1>; > + #size-cells = <1>; > + }; > + }; > > -- > 2.48.0.rc1.219.gb6b6757d772 >
