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 <<
19 18
20 properties: 19 properties:
21 compatible: 20 compatible:
22 oneOf: 21 oneOf:
23 - description: Trust architecture 2.1 SF 22 - description: Trust architecture 2.1 SFP
24 items: 23 items:
25 - const: fsl,ls1021a-sfp 24 - const: fsl,ls1021a-sfp
26 - description: Trust architecture 3.0 SF 25 - description: Trust architecture 3.0 SFP
27 items: 26 items:
28 - const: fsl,ls1028a-sfp 27 - const: fsl,ls1028a-sfp
29 28
30 reg: 29 reg:
31 maxItems: 1 30 maxItems: 1
32 31
33 clocks: 32 clocks:
34 maxItems: 1 33 maxItems: 1
35 description: 34 description:
36 The SFP clock. Typically, this is the pl 35 The SFP clock. Typically, this is the platform clock divided by 4.
37 36
38 clock-names: 37 clock-names:
39 const: sfp 38 const: sfp
40 39
41 ta-prog-sfp-supply: 40 ta-prog-sfp-supply:
42 description: 41 description:
43 The regulator for the TA_PROG_SFP pin. I 42 The regulator for the TA_PROG_SFP pin. It will be enabled for programming
44 and disabled for reading. 43 and disabled for reading.
45 44
46 required: 45 required:
47 - compatible 46 - compatible
48 - reg 47 - reg
49 - clock-names 48 - clock-names
50 - clocks 49 - clocks
51 50
52 unevaluatedProperties: false 51 unevaluatedProperties: false
53 52
54 examples: 53 examples:
55 - | 54 - |
56 #include <dt-bindings/clock/fsl,qoriq-cloc 55 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
57 efuse@1e80000 { 56 efuse@1e80000 {
58 compatible = "fsl,ls1028a-sfp"; 57 compatible = "fsl,ls1028a-sfp";
59 reg = <0x1e80000 0x8000>; 58 reg = <0x1e80000 0x8000>;
60 clocks = <&clockgen QORIQ_CLK_PLATFORM 59 clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
61 QORIQ_CLK_PLL_DIV( 60 QORIQ_CLK_PLL_DIV(4)>;
62 clock-names = "sfp"; 61 clock-names = "sfp";
63 }; 62 };
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