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authorMark Brown <broonie@kernel.org>2025-03-20 15:35:31 +0000
committerMark Brown <broonie@kernel.org>2025-03-20 15:35:31 +0000
commitee2ecf2cf501eaa69dcd723d76b434767195b64e (patch)
tree1a6890cbf473dca4103b64793844cc7b806eabb1
parentad4488845193e81549c11903a5083b4c9cc19785 (diff)
parent50605d2eefed51946c010b76464b2d7419af8310 (diff)
spi: dt-bindings: cdns,qspi-nor: Improve
Merge series from Miquel Raynal <miquel.raynal@bootlin.com>: While working with this controller I figured out a couple of small issues which I propose to fix. They are not super impacting, but I believe this goes into the right direction.
-rw-r--r--Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml25
1 files changed, 23 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
index b6bc71d19286..53a52fb8b819 100644
--- a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
+++ b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
@@ -4,7 +4,7 @@
$id: http://devicetree.org/schemas/spi/cdns,qspi-nor.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: Cadence Quad SPI controller
+title: Cadence Quad/Octal SPI controller
maintainers:
- Vaishnav Achath <vaishnav.a@ti.com>
@@ -76,8 +76,12 @@ properties:
- ti,am654-ospi
- ti,k2g-qspi
- xlnx,versal-ospi-1.0
+ # The compatible is qspi-nor for historical reasons but such
+ # controllers are meant to be used with flashes of all kinds,
+ # ie. also NAND flashes, not only NOR flashes.
- const: cdns,qspi-nor
- const: cdns,qspi-nor
+ deprecated: true
reg:
items:
@@ -142,6 +146,18 @@ properties:
items:
enum: [ qspi, qspi-ocp, rstc_ref ]
+patternProperties:
+ "^flash@[0-9a-f]+$":
+ type: object
+ $ref: cdns,qspi-nor-peripheral-props.yaml
+ additionalProperties: true
+ required:
+ - cdns,read-delay
+ - cdns,tshsl-ns
+ - cdns,tsd2d-ns
+ - cdns,tchsh-ns
+ - cdns,tslch-ns
+
required:
- compatible
- reg
@@ -157,7 +173,7 @@ unevaluatedProperties: false
examples:
- |
qspi: spi@ff705000 {
- compatible = "cdns,qspi-nor";
+ compatible = "intel,socfpga-qspi", "cdns,qspi-nor";
#address-cells = <1>;
#size-cells = <0>;
reg = <0xff705000 0x1000>,
@@ -173,5 +189,10 @@ examples:
flash@0 {
compatible = "jedec,spi-nor";
reg = <0x0>;
+ cdns,read-delay = <4>;
+ cdns,tshsl-ns = <60>;
+ cdns,tsd2d-ns = <60>;
+ cdns,tchsh-ns = <60>;
+ cdns,tslch-ns = <60>;
};
};