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