1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mtd/ti,am654-hbmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: HyperBus Memory Controller (HBMC) on TI's K3 family of SoCs
8
9 maintainers:
10 - Vignesh Raghavendra <vigneshr@ti.com>
11
12 properties:
13 compatible:
14 const: ti,am654-hbmc
15
16 reg:
17 maxItems: 2
18
19 power-domains: true
20 '#address-cells': true
21 '#size-cells': true
22 ranges: true
23
24 mux-controls:
25 description: MMIO mux controller node to select b/w OSPI and HBMC.
26
27 clocks:
28 maxItems: 1
29
30 patternProperties:
31 "^flash@[0-1],[0-9a-f]+$":
32 type: object
33
34 required:
35 - compatible
36 - reg
37 - ranges
38 - clocks
39 - '#address-cells'
40 - '#size-cells'
41
42 additionalProperties: false
43
44 examples:
45 - |
46 bus {
47 #address-cells = <2>;
48 #size-cells = <2>;
49
50 hbmc: memory-controller@47034000 {
51 compatible = "ti,am654-hbmc";
52 reg = <0x0 0x47034000 0x0 0x100>,
53 <0x5 0x00000000 0x1 0x0000000>;
54 ranges = <0x0 0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */
55 <0x1 0x0 0x5 0x04000000 0x4000000>; /* CS1 - 64MB */
56 clocks = <&k3_clks 102 0>;
57 #address-cells = <2>;
58 #size-cells = <1>;
59 power-domains = <&k3_pds 55>;
60 mux-controls = <&hbmc_mux 0>;
61
62 flash@0,0 {
63 compatible = "cypress,hyperflash", "cfi-flash";
64 reg = <0x0 0x0 0x4000000>;
65 #address-cells = <1>;
66 #size-cells = <1>;
67 };
68 };
69 };
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