aspeed,ast2600-fmc.yaml (1971B)
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 7title: Aspeed SMC controllers bindings 8 9maintainers: 10 - Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com> 11 - Cédric Le Goater <clg@kaod.org> 12 13description: | 14 This binding describes the Aspeed Static Memory Controllers (FMC and 15 SPI) of the AST2400, AST2500 and AST2600 SOCs. 16 17allOf: 18 - $ref: "spi-controller.yaml#" 19 20properties: 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 41required: 42 - compatible 43 - reg 44 - clocks 45 46unevaluatedProperties: false 47 48examples: 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 };