| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Aspeed SMC controllers |
| 8 | |
| 9 | maintainers: |
| 10 | - Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com> |
| 11 | - Cédric Le Goater <clg@kaod.org> |
| 12 | |
| 13 | description: | |
| 14 | This binding describes the Aspeed Static Memory Controllers (FMC and |
| 15 | SPI) of the AST2400, AST2500 and AST2600 SOCs. |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: spi-controller.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - aspeed,ast2600-fmc |
| 24 | - aspeed,ast2600-spi |
| 25 | - aspeed,ast2500-fmc |
| 26 | - aspeed,ast2500-spi |
| 27 | - aspeed,ast2400-fmc |
| 28 | - aspeed,ast2400-spi |
| 29 | |
| 30 | reg: |
| 31 | items: |
| 32 | - description: registers |
| 33 | - description: memory mapping |
| 34 | |
| 35 | clocks: |
| 36 | maxItems: 1 |
| 37 | |
| 38 | interrupts: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | required: |
| 42 | - compatible |
| 43 | - reg |
| 44 | - clocks |
| 45 | |
| 46 | unevaluatedProperties: false |
| 47 | |
| 48 | examples: |
| 49 | - | |
| 50 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 51 | #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h> |
| 52 | #include <dt-bindings/clock/ast2600-clock.h> |
| 53 | |
| 54 | spi@1e620000 { |
| 55 | reg = <0x1e620000 0xc4>, <0x20000000 0x10000000>; |
| 56 | #address-cells = <1>; |
| 57 | #size-cells = <0>; |
| 58 | compatible = "aspeed,ast2600-fmc"; |
| 59 | clocks = <&syscon ASPEED_CLK_AHB>; |
| 60 | interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>; |
| 61 | |
| 62 | flash@0 { |
| 63 | reg = < 0 >; |
| 64 | compatible = "jedec,spi-nor"; |
| 65 | spi-max-frequency = <50000000>; |
| 66 | spi-rx-bus-width = <2>; |
| 67 | }; |
| 68 | |
| 69 | flash@1 { |
| 70 | reg = < 1 >; |
| 71 | compatible = "jedec,spi-nor"; |
| 72 | spi-max-frequency = <50000000>; |
| 73 | spi-rx-bus-width = <2>; |
| 74 | }; |
| 75 | |
| 76 | flash@2 { |
| 77 | reg = < 2 >; |
| 78 | compatible = "jedec,spi-nor"; |
| 79 | spi-max-frequency = <50000000>; |
| 80 | spi-rx-bus-width = <2>; |
| 81 | }; |
| 82 | }; |