aspeed,ast2600-fmc.yaml

 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
 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, AST2600 and AST2700 SOCs.
16
17allOf:
18  - $ref: spi-controller.yaml#
19
20properties:
21  compatible:
22    enum:
23      - aspeed,ast2700-fmc
24      - aspeed,ast2700-spi
25      - aspeed,ast2600-fmc
26      - aspeed,ast2600-spi
27      - aspeed,ast2500-fmc
28      - aspeed,ast2500-spi
29      - aspeed,ast2400-fmc
30      - aspeed,ast2400-spi
31
32  reg:
33    items:
34      - description: registers
35      - description: memory mapping
36
37  clocks:
38    maxItems: 1
39
40  interrupts:
41    maxItems: 1
42
43required:
44  - compatible
45  - reg
46  - clocks
47
48unevaluatedProperties: false
49
50examples:
51  - |
52    #include <dt-bindings/interrupt-controller/arm-gic.h>
53    #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
54    #include <dt-bindings/clock/ast2600-clock.h>
55
56    spi@1e620000 {
57        reg = <0x1e620000 0xc4>, <0x20000000 0x10000000>;
58        #address-cells = <1>;
59        #size-cells = <0>;
60        compatible = "aspeed,ast2600-fmc";
61        clocks = <&syscon ASPEED_CLK_AHB>;
62        interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
63
64        flash@0 {
65            reg = < 0 >;
66            compatible = "jedec,spi-nor";
67            spi-max-frequency = <50000000>;
68            spi-rx-bus-width = <2>;
69        };
70
71        flash@1 {
72            reg = < 1 >;
73            compatible = "jedec,spi-nor";
74            spi-max-frequency = <50000000>;
75            spi-rx-bus-width = <2>;
76        };
77
78        flash@2 {
79            reg = < 2 >;
80            compatible = "jedec,spi-nor";
81            spi-max-frequency = <50000000>;
82            spi-rx-bus-width = <2>;
83        };
84    };