bindings/spi/fsl-imx-cspi.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/fsl-imx-cspi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale (Enhanced) Configurable Serial Peripheral Interface (CSPI/eCSPI) for i.MX
10   - Shawn Guo <shawnguo@kernel.org>
13   - $ref: /schemas/spi/spi-controller.yaml#
18       - const: fsl,imx1-cspi
19       - const: fsl,imx21-cspi
20       - const: fsl,imx27-cspi
21       - const: fsl,imx31-cspi
22       - const: fsl,imx35-cspi
23       - const: fsl,imx51-ecspi
24       - const: fsl,imx53-ecspi
25       - items:
26           - enum:
27               - fsl,imx25-cspi
28               - fsl,imx50-cspi
29               - fsl,imx51-cspi
30               - fsl,imx53-cspi
31           - const: fsl,imx35-cspi
32       - items:
33           - const: fsl,imx8mp-ecspi
34           - const: fsl,imx6ul-ecspi
35       - items:
36           - enum:
37               - fsl,imx50-ecspi
38               - fsl,imx6q-ecspi
39               - fsl,imx6sx-ecspi
40               - fsl,imx6sl-ecspi
41               - fsl,imx6sll-ecspi
42               - fsl,imx6ul-ecspi
43               - fsl,imx7d-ecspi
44               - fsl,imx8mq-ecspi
45               - fsl,imx8mm-ecspi
46               - fsl,imx8mn-ecspi
47           - const: fsl,imx51-ecspi
57       - description: SoC SPI ipg clock
58       - description: SoC SPI per clock
60   clock-names:
62       - const: ipg
63       - const: per
67       - description: DMA controller phandle and request line for RX
68       - description: DMA controller phandle and request line for TX
70   dma-names:
72       - const: rx
73       - const: tx
75   fsl,spi-rdy-drctl:
80       the SPI_READY mode-flag needs to be set too.
81       Valid values are: 0 (disabled), 1 (edge-triggered burst) and 2 (level-triggered burst).
85   - compatible
86   - reg
87   - interrupts
88   - clocks
89   - clock-names
94   - |
95     #include <dt-bindings/clock/imx5-clock.h>
98         #address-cells = <1>;
99         #size-cells = <0>;
100         compatible = "fsl,imx51-ecspi";
105         clock-names = "ipg", "per";