This commit prepares adding additional properties to the machxo2-slave device. No functional changes. Signed-off-by: Johannes Zink <j.zink@xxxxxxxxxxxxxx> --- .../bindings/fpga/lattice,machxo2-slave.yaml | 46 +++++++++++++++++++ .../bindings/fpga/lattice-machxo2-spi.txt | 29 ------------ 2 files changed, 46 insertions(+), 29 deletions(-) create mode 100644 Documentation/devicetree/bindings/fpga/lattice,machxo2-slave.yaml delete mode 100644 Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt diff --git a/Documentation/devicetree/bindings/fpga/lattice,machxo2-slave.yaml b/Documentation/devicetree/bindings/fpga/lattice,machxo2-slave.yaml new file mode 100644 index 000000000000..d05acd6b0fc6 --- /dev/null +++ b/Documentation/devicetree/bindings/fpga/lattice,machxo2-slave.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/fpga/lattice,machxo2-slave.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lattice MachXO2 Slave FPGA Manager Device Tree Bindings + +maintainers: + - Johannes Zink <j.zink@xxxxxxxxxxxxxx> + +description: | + Device used for loading the bitstream of Lattice MachXO2 FPGAs. The + programming sequence is described in FPGA-TN-02155 on www.latticesemi.com + +allOf: + - if: + properties: + compatible: + contains: + const: lattice,machxo2-slave-spi + then: + $ref: /schemas/spi/spi-peripheral-props.yaml# +properties: + compatible: + enum: + - lattice,machxo2-slave-spi + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + fpga@0 { + compatible = "lattice,machxo2-slave-spi"; + spi-max-frequency = <8000000>; + reg = <0>; + }; + }; diff --git a/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt deleted file mode 100644 index a8c362eb160c..000000000000 --- a/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt +++ /dev/null @@ -1,29 +0,0 @@ -Lattice MachXO2 Slave SPI FPGA Manager - -Lattice MachXO2 FPGAs support a method of loading the bitstream over -'slave SPI' interface. - -See 'MachXO2ProgrammingandConfigurationUsageGuide.pdf' on www.latticesemi.com - -Required properties: -- compatible: should contain "lattice,machxo2-slave-spi" -- reg: spi chip select of the FPGA - -Example for full FPGA configuration: - - fpga-region0 { - compatible = "fpga-region"; - fpga-mgr = <&fpga_mgr_spi>; - #address-cells = <0x1>; - #size-cells = <0x1>; - }; - - spi1: spi@2000 { - ... - - fpga_mgr_spi: fpga-mgr@0 { - compatible = "lattice,machxo2-slave-spi"; - spi-max-frequency = <8000000>; - reg = <0>; - }; - }; -- 2.30.2
