1c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2c66ec88fSEmmanuel Vadot%YAML 1.2 3c66ec88fSEmmanuel Vadot--- 4c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/spi/fsl-imx-cspi.yaml# 5c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6c66ec88fSEmmanuel Vadot 7c66ec88fSEmmanuel Vadottitle: Freescale (Enhanced) Configurable Serial Peripheral Interface (CSPI/eCSPI) for i.MX 8c66ec88fSEmmanuel Vadot 9c66ec88fSEmmanuel Vadotmaintainers: 10c66ec88fSEmmanuel Vadot - Shawn Guo <shawnguo@kernel.org> 11c66ec88fSEmmanuel Vadot 12c66ec88fSEmmanuel VadotallOf: 13cb7aa33aSEmmanuel Vadot - $ref: /schemas/spi/spi-controller.yaml# 14c66ec88fSEmmanuel Vadot 15c66ec88fSEmmanuel Vadotproperties: 16c66ec88fSEmmanuel Vadot compatible: 17c66ec88fSEmmanuel Vadot oneOf: 18c66ec88fSEmmanuel Vadot - const: fsl,imx1-cspi 19c66ec88fSEmmanuel Vadot - const: fsl,imx21-cspi 20c66ec88fSEmmanuel Vadot - const: fsl,imx27-cspi 21c66ec88fSEmmanuel Vadot - const: fsl,imx31-cspi 22c66ec88fSEmmanuel Vadot - const: fsl,imx35-cspi 23c66ec88fSEmmanuel Vadot - const: fsl,imx51-ecspi 24c66ec88fSEmmanuel Vadot - const: fsl,imx53-ecspi 25c66ec88fSEmmanuel Vadot - items: 26*aa1a8ff2SEmmanuel Vadot - enum: 27*aa1a8ff2SEmmanuel Vadot - fsl,imx25-cspi 28*aa1a8ff2SEmmanuel Vadot - fsl,imx50-cspi 29*aa1a8ff2SEmmanuel Vadot - fsl,imx51-cspi 30*aa1a8ff2SEmmanuel Vadot - fsl,imx53-cspi 31*aa1a8ff2SEmmanuel Vadot - const: fsl,imx35-cspi 32*aa1a8ff2SEmmanuel Vadot - items: 338bab661aSEmmanuel Vadot - const: fsl,imx8mp-ecspi 348bab661aSEmmanuel Vadot - const: fsl,imx6ul-ecspi 358bab661aSEmmanuel Vadot - items: 36c66ec88fSEmmanuel Vadot - enum: 37c66ec88fSEmmanuel Vadot - fsl,imx50-ecspi 38c66ec88fSEmmanuel Vadot - fsl,imx6q-ecspi 39c66ec88fSEmmanuel Vadot - fsl,imx6sx-ecspi 40c66ec88fSEmmanuel Vadot - fsl,imx6sl-ecspi 41c66ec88fSEmmanuel Vadot - fsl,imx6sll-ecspi 42c66ec88fSEmmanuel Vadot - fsl,imx6ul-ecspi 43c66ec88fSEmmanuel Vadot - fsl,imx7d-ecspi 44c66ec88fSEmmanuel Vadot - fsl,imx8mq-ecspi 45c66ec88fSEmmanuel Vadot - fsl,imx8mm-ecspi 46c66ec88fSEmmanuel Vadot - fsl,imx8mn-ecspi 47c66ec88fSEmmanuel Vadot - const: fsl,imx51-ecspi 48c66ec88fSEmmanuel Vadot 49c66ec88fSEmmanuel Vadot reg: 50c66ec88fSEmmanuel Vadot maxItems: 1 51c66ec88fSEmmanuel Vadot 52c66ec88fSEmmanuel Vadot interrupts: 53c66ec88fSEmmanuel Vadot maxItems: 1 54c66ec88fSEmmanuel Vadot 55c66ec88fSEmmanuel Vadot clocks: 56c66ec88fSEmmanuel Vadot items: 57c66ec88fSEmmanuel Vadot - description: SoC SPI ipg clock 58c66ec88fSEmmanuel Vadot - description: SoC SPI per clock 59c66ec88fSEmmanuel Vadot 60c66ec88fSEmmanuel Vadot clock-names: 61c66ec88fSEmmanuel Vadot items: 62c66ec88fSEmmanuel Vadot - const: ipg 63c66ec88fSEmmanuel Vadot - const: per 64c66ec88fSEmmanuel Vadot 65c66ec88fSEmmanuel Vadot dmas: 66c66ec88fSEmmanuel Vadot items: 67c66ec88fSEmmanuel Vadot - description: DMA controller phandle and request line for RX 68c66ec88fSEmmanuel Vadot - description: DMA controller phandle and request line for TX 69c66ec88fSEmmanuel Vadot 70c66ec88fSEmmanuel Vadot dma-names: 71c66ec88fSEmmanuel Vadot items: 72c66ec88fSEmmanuel Vadot - const: rx 73c66ec88fSEmmanuel Vadot - const: tx 74c66ec88fSEmmanuel Vadot 75c66ec88fSEmmanuel Vadot fsl,spi-rdy-drctl: 76c66ec88fSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/uint32 77c66ec88fSEmmanuel Vadot description: | 78c66ec88fSEmmanuel Vadot Integer, representing the value of DRCTL, the register controlling 79c66ec88fSEmmanuel Vadot the SPI_READY handling. Note that to enable the DRCTL consideration, 80c66ec88fSEmmanuel Vadot the SPI_READY mode-flag needs to be set too. 81c66ec88fSEmmanuel Vadot Valid values are: 0 (disabled), 1 (edge-triggered burst) and 2 (level-triggered burst). 82c66ec88fSEmmanuel Vadot enum: [0, 1, 2] 83c66ec88fSEmmanuel Vadot 84c66ec88fSEmmanuel Vadotrequired: 85c66ec88fSEmmanuel Vadot - compatible 86c66ec88fSEmmanuel Vadot - reg 87c66ec88fSEmmanuel Vadot - interrupts 88c66ec88fSEmmanuel Vadot - clocks 89c66ec88fSEmmanuel Vadot - clock-names 90c66ec88fSEmmanuel Vadot 91c66ec88fSEmmanuel VadotunevaluatedProperties: false 92c66ec88fSEmmanuel Vadot 93c66ec88fSEmmanuel Vadotexamples: 94c66ec88fSEmmanuel Vadot - | 95c66ec88fSEmmanuel Vadot #include <dt-bindings/clock/imx5-clock.h> 96c66ec88fSEmmanuel Vadot 97c66ec88fSEmmanuel Vadot spi@70010000 { 98c66ec88fSEmmanuel Vadot #address-cells = <1>; 99c66ec88fSEmmanuel Vadot #size-cells = <0>; 100c66ec88fSEmmanuel Vadot compatible = "fsl,imx51-ecspi"; 101c66ec88fSEmmanuel Vadot reg = <0x70010000 0x4000>; 102c66ec88fSEmmanuel Vadot interrupts = <36>; 103c66ec88fSEmmanuel Vadot clocks = <&clks IMX5_CLK_ECSPI1_IPG_GATE>, 104c66ec88fSEmmanuel Vadot <&clks IMX5_CLK_ECSPI1_PER_GATE>; 105c66ec88fSEmmanuel Vadot clock-names = "ipg", "per"; 106c66ec88fSEmmanuel Vadot }; 107