bindings/spi/spi-peripheral-props.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for a SPI bus.
11   be common properties like spi-max-frequency, spi-cpha, etc. or they could be
13   need to be defined in the peripheral node because they are per-peripheral and
19   - Mark Brown <broonie@kernel.org>
27         - minimum: 0
32   spi-cs-high:
37   spi-lsb-first:
42   spi-max-frequency:
47   spi-cs-setup-delay-ns:
52   spi-cs-hold-delay-ns:
55       de-asserted.
57   spi-cs-inactive-delay-ns:
60       de-asserted.
62   spi-rx-bus-width:
70   spi-rx-delay-us:
74   rx-sample-delay-ns:
79   spi-tx-bus-width:
87   spi-tx-delay-us:
91   stacked-memories:
99     $ref: /schemas/types.yaml#/definitions/uint64-array
103   parallel-memories:
106       act synchronously as each data word is spread across the
107       different memories (eg. even bits are stored in one memory, odd
108       bits in the other). This basically doubles the address space and
112     $ref: /schemas/types.yaml#/definitions/uint64-array
116   st,spi-midi-ns:
118       Only for STM32H7, (Master Inter-Data Idleness) minimum time
123   - $ref: arm,pl022-peripheral-props.yaml#
124   - $ref: cdns,qspi-nor-peripheral-props.yaml#
125   - $ref: fsl,dspi-peripheral-props.yaml#
126   - $ref: samsung,spi-peripheral-props.yaml#
127   - $ref: nvidia,tegra210-quad-peripheral-props.yaml#