| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/spi/renesas,rspi.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas (Quad) Serial Peripheral Interface (RSPI/QSPI) |
| 8 | |
| 9 | maintainers: |
| 10 | - Geert Uytterhoeven <geert+renesas@glider.be> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | oneOf: |
| 15 | - items: |
| 16 | - enum: |
| 17 | - renesas,rspi-sh7757 # SH7757 |
| 18 | - const: renesas,rspi # Legacy SH |
| 19 | |
| 20 | - items: |
| 21 | - enum: |
| 22 | - renesas,rspi-r7s72100 # RZ/A1H |
| 23 | - renesas,rspi-r7s9210 # RZ/A2 |
| Tom Rini | 93743d2 | 2024-04-01 09:08:13 -0400 | [diff] [blame] | 24 | - renesas,r9a07g043-rspi # RZ/G2UL and RZ/Five |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 25 | - renesas,r9a07g044-rspi # RZ/G2{L,LC} |
| 26 | - renesas,r9a07g054-rspi # RZ/V2L |
| 27 | - const: renesas,rspi-rz |
| 28 | |
| 29 | - items: |
| 30 | - enum: |
| 31 | - renesas,qspi-r8a7742 # RZ/G1H |
| 32 | - renesas,qspi-r8a7743 # RZ/G1M |
| 33 | - renesas,qspi-r8a7744 # RZ/G1N |
| 34 | - renesas,qspi-r8a7745 # RZ/G1E |
| 35 | - renesas,qspi-r8a77470 # RZ/G1C |
| 36 | - renesas,qspi-r8a7790 # R-Car H2 |
| 37 | - renesas,qspi-r8a7791 # R-Car M2-W |
| 38 | - renesas,qspi-r8a7792 # R-Car V2H |
| 39 | - renesas,qspi-r8a7793 # R-Car M2-N |
| 40 | - renesas,qspi-r8a7794 # R-Car E2 |
| 41 | - const: renesas,qspi # R-Car Gen2 and RZ/G1 |
| 42 | |
| 43 | reg: |
| 44 | maxItems: 1 |
| 45 | |
| 46 | interrupts: |
| 47 | oneOf: |
| 48 | - items: |
| 49 | - description: A combined interrupt |
| 50 | - items: |
| 51 | - description: Error interrupt (SPEI) |
| 52 | - description: Receive Interrupt (SPRI) |
| 53 | - description: Transmit Interrupt (SPTI) |
| 54 | |
| 55 | interrupt-names: |
| 56 | oneOf: |
| 57 | - items: |
| 58 | - const: mux |
| 59 | - items: |
| 60 | - const: error |
| 61 | - const: rx |
| 62 | - const: tx |
| 63 | |
| 64 | clocks: |
| 65 | maxItems: 1 |
| 66 | |
| 67 | power-domains: |
| 68 | maxItems: 1 |
| 69 | |
| 70 | resets: |
| 71 | maxItems: 1 |
| 72 | |
| 73 | dmas: |
| 74 | minItems: 2 |
| 75 | maxItems: 4 |
| 76 | description: |
| 77 | Must contain a list of pairs of references to DMA specifiers, one for |
| 78 | transmission, and one for reception. |
| 79 | |
| 80 | dma-names: |
| 81 | minItems: 2 |
| 82 | maxItems: 4 |
| 83 | items: |
| 84 | enum: |
| 85 | - tx |
| 86 | - rx |
| 87 | |
| 88 | num-cs: |
| 89 | description: | |
| 90 | Total number of native chip selects. |
| 91 | Hardware limitations related to chip selects: |
| 92 | - When using GPIO chip selects, at least one native chip select must |
| 93 | be left unused, as it will be driven anyway. |
| 94 | minimum: 1 |
| 95 | maximum: 2 |
| 96 | default: 1 |
| 97 | |
| 98 | required: |
| 99 | - compatible |
| 100 | - reg |
| 101 | - interrupts |
| 102 | - clocks |
| 103 | - power-domains |
| 104 | - '#address-cells' |
| 105 | - '#size-cells' |
| 106 | |
| 107 | allOf: |
| 108 | - $ref: spi-controller.yaml# |
| 109 | - if: |
| 110 | properties: |
| 111 | compatible: |
| 112 | contains: |
| 113 | enum: |
| 114 | - renesas,rspi-rz |
| 115 | then: |
| 116 | properties: |
| 117 | interrupts: |
| 118 | minItems: 3 |
| 119 | required: |
| 120 | - interrupt-names |
| 121 | |
| 122 | - if: |
| 123 | properties: |
| 124 | compatible: |
| 125 | contains: |
| 126 | enum: |
| 127 | - renesas,qspi |
| 128 | - renesas,r9a07g043-rspi |
| 129 | - renesas,r9a07g044-rspi |
| 130 | - renesas,r9a07g054-rspi |
| 131 | then: |
| 132 | required: |
| 133 | - resets |
| 134 | |
| 135 | unevaluatedProperties: false |
| 136 | |
| 137 | examples: |
| 138 | - | |
| 139 | #include <dt-bindings/clock/r8a7791-cpg-mssr.h> |
| 140 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 141 | #include <dt-bindings/power/r8a7791-sysc.h> |
| 142 | |
| 143 | qspi: spi@e6b10000 { |
| 144 | compatible = "renesas,qspi-r8a7791", "renesas,qspi"; |
| 145 | reg = <0xe6b10000 0x2c>; |
| 146 | interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>; |
| 147 | clocks = <&cpg CPG_MOD 917>; |
| 148 | dmas = <&dmac0 0x17>, <&dmac0 0x18>, <&dmac1 0x17>, <&dmac1 0x18>; |
| 149 | dma-names = "tx", "rx", "tx", "rx"; |
| 150 | power-domains = <&sysc R8A7791_PD_ALWAYS_ON>; |
| 151 | resets = <&cpg 917>; |
| 152 | num-cs = <1>; |
| 153 | #address-cells = <1>; |
| 154 | #size-cells = <0>; |
| 155 | }; |