new file mode 100644
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/cdns,qspi-nor-peripheral-props.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Peripheral-specific properties for the Cadence QSPI controller.
+
+description:
+ See spi-peripheral-props.yaml for more info.
+
+maintainers:
+ - Pratyush Yadav <p.yadav@ti.com>
+
+properties:
+ # cdns,qspi-nor.yaml
+ cdns,read-delay:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Delay for read capture logic, in clock cycles.
+
+ cdns,tshsl-ns:
+ description:
+ Delay in nanoseconds for the length that the master mode chip select
+ outputs are de-asserted between transactions.
+
+ cdns,tsd2d-ns:
+ description:
+ Delay in nanoseconds between one chip select being de-activated
+ and the activation of another.
+
+ cdns,tchsh-ns:
+ description:
+ Delay in nanoseconds between last bit of current transaction and
+ deasserting the device chip select (qspi_n_ss_out).
+
+ cdns,tslch-ns:
+ description:
+ Delay in nanoseconds between setting qspi_n_ss_out low and
+ first bit transfer.
+
+additionalProperties: true
@@ -86,39 +86,6 @@ properties:
items:
enum: [ qspi, qspi-ocp ]
-# subnode's properties
-patternProperties:
- "@[0-9a-f]+$":
- type: object
- description:
- Flash device uses the below defined properties in the subnode.
-
- properties:
- cdns,read-delay:
- $ref: /schemas/types.yaml#/definitions/uint32
- description:
- Delay for read capture logic, in clock cycles.
-
- cdns,tshsl-ns:
- description:
- Delay in nanoseconds for the length that the master mode chip select
- outputs are de-asserted between transactions.
-
- cdns,tsd2d-ns:
- description:
- Delay in nanoseconds between one chip select being de-activated
- and the activation of another.
-
- cdns,tchsh-ns:
- description:
- Delay in nanoseconds between last bit of current transaction and
- deasserting the device chip select (qspi_n_ss_out).
-
- cdns,tslch-ns:
- description:
- Delay in nanoseconds between setting qspi_n_ss_out low and
- first bit transfer.
-
required:
- compatible
- reg
@@ -83,5 +83,7 @@ properties:
Delay, in microseconds, after a write transfer.
# The controller specific properties go here.
+allOf:
+ - $ref: cdns,qspi-nor-peripheral-props.yaml#
additionalProperties: true
The spi-peripheral-props.yaml schema contains peripheral-specific properties for SPI controllers that should be present in the peripheral node. Move peripheral-specific properties to a separate file and refer to it in spi-peripheral-props.yaml. Signed-off-by: Pratyush Yadav <p.yadav@ti.com> --- Changes in v3: - s/slave/peripheral/g Changes in v2: - New in v2. .../spi/cdns,qspi-nor-peripheral-props.yaml | 42 +++++++++++++++++++ .../bindings/spi/cdns,qspi-nor.yaml | 33 --------------- .../bindings/spi/spi-peripheral-props.yaml | 2 + 3 files changed, 44 insertions(+), 33 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/cdns,qspi-nor-peripheral-props.yaml