1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/spi/qcom,sp 4 $id: http://devicetree.org/schemas/spi/qcom,spi-qcom-qspi.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Qualcomm Quad Serial Peripheral Interfa 7 title: Qualcomm Quad Serial Peripheral Interface (QSPI)
8 8
9 maintainers: 9 maintainers:
10 - Bjorn Andersson <bjorn.andersson@linaro.org 10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 11
12 description: The QSPI controller allows SPI pr 12 description: The QSPI controller allows SPI protocol communication in single,
13 dual, or quad wire transmission modes for re 13 dual, or quad wire transmission modes for read/write access to slaves such
14 as NOR flash. 14 as NOR flash.
15 15
16 allOf: 16 allOf:
17 - $ref: /schemas/spi/spi-controller.yaml# 17 - $ref: /schemas/spi/spi-controller.yaml#
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 items: 21 items:
22 - enum: 22 - enum:
23 - qcom,sc7180-qspi 23 - qcom,sc7180-qspi
24 - qcom,sc7280-qspi 24 - qcom,sc7280-qspi
25 - qcom,sdm845-qspi 25 - qcom,sdm845-qspi
26 26
27 - const: qcom,qspi-v1 27 - const: qcom,qspi-v1
28 28
29 reg: 29 reg:
30 maxItems: 1 30 maxItems: 1
31 31
32 iommus: 32 iommus:
33 maxItems: 1 33 maxItems: 1
34 34
35 interrupts: 35 interrupts:
36 maxItems: 1 36 maxItems: 1
37 37
38 clock-names: 38 clock-names:
39 items: 39 items:
40 - const: iface 40 - const: iface
41 - const: core 41 - const: core
42 42
43 clocks: 43 clocks:
44 items: 44 items:
45 - description: AHB clock 45 - description: AHB clock
46 - description: QSPI core clock 46 - description: QSPI core clock
47 47
48 interconnects: 48 interconnects:
49 minItems: 1 49 minItems: 1
50 maxItems: 2 50 maxItems: 2
51 51
52 interconnect-names: 52 interconnect-names:
53 minItems: 1 53 minItems: 1
54 items: 54 items:
55 - const: qspi-config 55 - const: qspi-config
56 - const: qspi-memory 56 - const: qspi-memory
57 57
58 operating-points-v2: true 58 operating-points-v2: true
59 59
60 power-domains: 60 power-domains:
61 maxItems: 1 61 maxItems: 1
62 62
63 required: 63 required:
64 - compatible 64 - compatible
65 - reg 65 - reg
66 - interrupts 66 - interrupts
67 - clock-names 67 - clock-names
68 - clocks 68 - clocks
69 69
70 unevaluatedProperties: false 70 unevaluatedProperties: false
71 71
72 examples: 72 examples:
73 - | 73 - |
74 #include <dt-bindings/clock/qcom,gcc-sdm84 74 #include <dt-bindings/clock/qcom,gcc-sdm845.h>
75 #include <dt-bindings/interrupt-controller 75 #include <dt-bindings/interrupt-controller/arm-gic.h>
76 76
77 soc: soc { 77 soc: soc {
78 #address-cells = <2>; 78 #address-cells = <2>;
79 #size-cells = <2>; 79 #size-cells = <2>;
80 80
81 qspi: spi@88df000 { 81 qspi: spi@88df000 {
82 compatible = "qcom,sdm845-qspi", " 82 compatible = "qcom,sdm845-qspi", "qcom,qspi-v1";
83 reg = <0 0x88df000 0 0x600>; 83 reg = <0 0x88df000 0 0x600>;
84 #address-cells = <1>; 84 #address-cells = <1>;
85 #size-cells = <0>; 85 #size-cells = <0>;
86 interrupts = <GIC_SPI 82 IRQ_TYPE_ 86 interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
87 clock-names = "iface", "core"; 87 clock-names = "iface", "core";
88 clocks = <&gcc GCC_QSPI_CNOC_PERIP 88 clocks = <&gcc GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
89 <&gcc GCC_QSPI_CORE_C 89 <&gcc GCC_QSPI_CORE_CLK>;
90 90
91 flash@0 { 91 flash@0 {
92 compatible = "jedec,spi-nor"; 92 compatible = "jedec,spi-nor";
93 reg = <0>; 93 reg = <0>;
94 spi-max-frequency = <25000000> 94 spi-max-frequency = <25000000>;
95 spi-tx-bus-width = <2>; 95 spi-tx-bus-width = <2>;
96 spi-rx-bus-width = <2>; 96 spi-rx-bus-width = <2>;
97 }; 97 };
98 }; 98 };
99 }; 99 };
100 ... 100 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.