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/peci/peci-a 4 $id: http://devicetree.org/schemas/peci/peci-aspeed.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Aspeed PECI Bus 7 title: Aspeed PECI Bus
8 8
9 maintainers: 9 maintainers:
10 - Iwona Winiarska <iwona.winiarska@intel.com> 10 - Iwona Winiarska <iwona.winiarska@intel.com>
11 - Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> 11 - Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
12 12
13 allOf: 13 allOf:
14 - $ref: peci-controller.yaml# 14 - $ref: peci-controller.yaml#
15 15
16 properties: 16 properties:
17 compatible: 17 compatible:
18 enum: 18 enum:
19 - aspeed,ast2400-peci 19 - aspeed,ast2400-peci
20 - aspeed,ast2500-peci 20 - aspeed,ast2500-peci
21 - aspeed,ast2600-peci 21 - aspeed,ast2600-peci
22 22
23 reg: 23 reg:
24 maxItems: 1 24 maxItems: 1
25 25
26 interrupts: 26 interrupts:
27 maxItems: 1 27 maxItems: 1
28 28
29 clocks: 29 clocks:
30 description: 30 description:
31 Clock source for PECI controller. Should 31 Clock source for PECI controller. Should reference the external
32 oscillator clock. 32 oscillator clock.
33 maxItems: 1 33 maxItems: 1
34 34
35 resets: 35 resets:
36 maxItems: 1 36 maxItems: 1
37 37
38 cmd-timeout-ms: 38 cmd-timeout-ms:
39 minimum: 1 39 minimum: 1
40 maximum: 1000 40 maximum: 1000
41 default: 1000 41 default: 1000
42 42
43 clock-frequency: 43 clock-frequency:
44 description: 44 description:
45 The desired operation frequency of PECI 45 The desired operation frequency of PECI controller in Hz.
46 minimum: 2000 46 minimum: 2000
47 maximum: 2000000 47 maximum: 2000000
48 default: 1000000 48 default: 1000000
49 49
50 required: 50 required:
51 - compatible 51 - compatible
52 - reg 52 - reg
53 - interrupts 53 - interrupts
54 - clocks 54 - clocks
55 - resets 55 - resets
56 56
57 additionalProperties: false 57 additionalProperties: false
58 58
59 examples: 59 examples:
60 - | 60 - |
61 #include <dt-bindings/interrupt-controller 61 #include <dt-bindings/interrupt-controller/arm-gic.h>
62 #include <dt-bindings/clock/ast2600-clock. 62 #include <dt-bindings/clock/ast2600-clock.h>
63 peci-controller@1e78b000 { 63 peci-controller@1e78b000 {
64 compatible = "aspeed,ast2600-peci"; 64 compatible = "aspeed,ast2600-peci";
65 reg = <0x1e78b000 0x100>; 65 reg = <0x1e78b000 0x100>;
66 interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_ 66 interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
67 clocks = <&syscon ASPEED_CLK_GATE_REF0CL 67 clocks = <&syscon ASPEED_CLK_GATE_REF0CLK>;
68 resets = <&syscon ASPEED_RESET_PECI>; 68 resets = <&syscon ASPEED_RESET_PECI>;
69 cmd-timeout-ms = <1000>; 69 cmd-timeout-ms = <1000>;
70 clock-frequency = <1000000>; 70 clock-frequency = <1000000>;
71 }; 71 };
72 ... 72 ...
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