1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/nvmem/fsl,l 4 $id: http://devicetree.org/schemas/nvmem/fsl,layerscape-sfp.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Freescale Layerscape Security Fuse Proc 7 title: Freescale Layerscape Security Fuse Processor
8 8
9 maintainers: 9 maintainers:
10 - Michael Walle <michael@walle.cc> 10 - Michael Walle <michael@walle.cc>
11 11
12 description: | 12 description: |
13 SFP is the security fuse processor which amo 13 SFP is the security fuse processor which among other things provides a
14 unique identifier per part. 14 unique identifier per part.
15 15
16 allOf: 16 allOf:
17 - $ref: nvmem.yaml# 17 - $ref: nvmem.yaml#
18 - $ref: nvmem-deprecated-cells.yaml 18 - $ref: nvmem-deprecated-cells.yaml
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 oneOf: 22 oneOf:
23 - description: Trust architecture 2.1 SF 23 - description: Trust architecture 2.1 SFP
24 items: 24 items:
25 - const: fsl,ls1021a-sfp 25 - const: fsl,ls1021a-sfp
26 - description: Trust architecture 3.0 SF 26 - description: Trust architecture 3.0 SFP
27 items: 27 items:
28 - const: fsl,ls1028a-sfp 28 - const: fsl,ls1028a-sfp
29 29
30 reg: 30 reg:
31 maxItems: 1 31 maxItems: 1
32 32
33 clocks: 33 clocks:
34 maxItems: 1 34 maxItems: 1
35 description: 35 description:
36 The SFP clock. Typically, this is the pl 36 The SFP clock. Typically, this is the platform clock divided by 4.
37 37
38 clock-names: 38 clock-names:
39 const: sfp 39 const: sfp
40 40
41 ta-prog-sfp-supply: 41 ta-prog-sfp-supply:
42 description: 42 description:
43 The regulator for the TA_PROG_SFP pin. I 43 The regulator for the TA_PROG_SFP pin. It will be enabled for programming
44 and disabled for reading. 44 and disabled for reading.
45 45
46 required: 46 required:
47 - compatible 47 - compatible
48 - reg 48 - reg
49 - clock-names 49 - clock-names
50 - clocks 50 - clocks
51 51
52 unevaluatedProperties: false 52 unevaluatedProperties: false
53 53
54 examples: 54 examples:
55 - | 55 - |
56 #include <dt-bindings/clock/fsl,qoriq-cloc 56 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
57 efuse@1e80000 { 57 efuse@1e80000 {
58 compatible = "fsl,ls1028a-sfp"; 58 compatible = "fsl,ls1028a-sfp";
59 reg = <0x1e80000 0x8000>; 59 reg = <0x1e80000 0x8000>;
60 clocks = <&clockgen QORIQ_CLK_PLATFORM 60 clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
61 QORIQ_CLK_PLL_DIV( 61 QORIQ_CLK_PLL_DIV(4)>;
62 clock-names = "sfp"; 62 clock-names = "sfp";
63 }; 63 };
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