# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) # Copyright 2019,2020 Lubomir Rintel %YAML 1.2 --- $id: http://devicetree.org/schemas/spi/marvell,mmp2-ssp.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: PXA2xx SSP SPI Controller maintainers: - Lubomir Rintel allOf: - $ref: spi-controller.yaml# properties: compatible: const: marvell,mmp2-ssp interrupts: maxItems: 1 reg: maxItems: 1 clocks: maxItems: 1 ready-gpios: description: | GPIO used to signal a SPI master that the FIFO is filled and we're ready to service a transfer. Only useful in slave mode. maxItems: 1 required: - compatible - reg - interrupts - clocks dependencies: ready-gpios: [ spi-slave ] unevaluatedProperties: false examples: - | #include spi@d4035000 { compatible = "marvell,mmp2-ssp"; #address-cells = <1>; #size-cells = <0>; reg = <0xd4035000 0x1000>; clocks = <&soc_clocks MMP2_CLK_SSP0>; interrupts = <0>; }; ...