tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/spi/fsl,spi-fsl-qspi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale Quad Serial Peripheral Interface (QuadSPI)
8
9maintainers:
10 - Han Xu <han.xu@nxp.com>
11
12properties:
13 compatible:
14 oneOf:
15 - enum:
16 - fsl,vf610-qspi
17 - fsl,imx6sx-qspi
18 - fsl,imx7d-qspi
19 - fsl,imx6ul-qspi
20 - fsl,ls1021a-qspi
21 - fsl,ls2080a-qspi
22 - spacemit,k1-qspi
23 - items:
24 - enum:
25 - fsl,ls1043a-qspi
26 - const: fsl,ls1021a-qspi
27 - items:
28 - enum:
29 - fsl,imx8mq-qspi
30 - const: fsl,imx7d-qspi
31
32 reg:
33 items:
34 - description: registers
35 - description: memory mapping
36
37 reg-names:
38 items:
39 - const: QuadSPI
40 - const: QuadSPI-memory
41
42 interrupts:
43 maxItems: 1
44
45 clocks:
46 items:
47 - description: SoC SPI qspi_en clock
48 - description: SoC SPI qspi clock
49
50 clock-names:
51 items:
52 - const: qspi_en
53 - const: qspi
54
55 resets:
56 items:
57 - description: SoC QSPI reset
58 - description: SoC QSPI bus reset
59
60required:
61 - compatible
62 - reg
63 - reg-names
64 - interrupts
65 - clocks
66 - clock-names
67
68allOf:
69 - $ref: spi-controller.yaml#
70 - if:
71 properties:
72 compatible:
73 not:
74 contains:
75 const: spacemit,k1-qspi
76 then:
77 properties:
78 resets: false
79
80unevaluatedProperties: false
81
82examples:
83 - |
84 #include <dt-bindings/interrupt-controller/arm-gic.h>
85 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
86
87 soc {
88 #address-cells = <2>;
89 #size-cells = <2>;
90
91 spi@1550000 {
92 compatible = "fsl,ls1021a-qspi";
93 reg = <0x0 0x1550000 0x0 0x100000>,
94 <0x0 0x40000000 0x0 0x10000000>;
95 reg-names = "QuadSPI", "QuadSPI-memory";
96 interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
97 #address-cells = <1>;
98 #size-cells = <0>;
99 clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(2)>,
100 <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(2)>;
101 clock-names = "qspi_en", "qspi";
102
103 flash@0 {
104 compatible = "jedec,spi-nor";
105 spi-max-frequency = <50000000>;
106 reg = <0>;
107 spi-rx-bus-width = <4>;
108 spi-tx-bus-width = <4>;
109 };
110 };
111 };