tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/spi/mediatek,spi-mtk-nor.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Serial NOR flash controller for MediaTek ARM SoCs
8
9maintainers:
10 - Bayi Cheng <bayi.cheng@mediatek.com>
11 - Chuanhong Guo <gch981213@gmail.com>
12
13description: |
14 This spi controller support single, dual, or quad mode transfer for
15 SPI NOR flash. There should be only one spi slave device following
16 generic spi bindings. It's not recommended to use this controller
17 for devices other than SPI NOR flash due to limited transfer
18 capability of this controller.
19
20allOf:
21 - $ref: /spi/spi-controller.yaml#
22
23properties:
24 compatible:
25 oneOf:
26 - items:
27 - enum:
28 - mediatek,mt2701-nor
29 - mediatek,mt2712-nor
30 - mediatek,mt7622-nor
31 - mediatek,mt7623-nor
32 - mediatek,mt7629-nor
33 - mediatek,mt8192-nor
34 - enum:
35 - mediatek,mt8173-nor
36 - items:
37 - const: mediatek,mt8173-nor
38 reg:
39 maxItems: 1
40
41 interrupts:
42 maxItems: 1
43
44 clocks:
45 items:
46 - description: clock used for spi bus
47 - description: clock used for controller
48
49 clock-names:
50 items:
51 - const: spi
52 - const: sf
53
54required:
55 - compatible
56 - reg
57 - interrupts
58 - clocks
59 - clock-names
60
61unevaluatedProperties: false
62
63examples:
64 - |
65 #include <dt-bindings/clock/mt8173-clk.h>
66
67 soc {
68 #address-cells = <2>;
69 #size-cells = <2>;
70
71 nor_flash: spi@1100d000 {
72 compatible = "mediatek,mt8173-nor";
73 reg = <0 0x1100d000 0 0xe0>;
74 interrupts = <&spi_flash_irq>;
75 clocks = <&pericfg CLK_PERI_SPI>, <&topckgen CLK_TOP_SPINFI_IFR_SEL>;
76 clock-names = "spi", "sf";
77 #address-cells = <1>;
78 #size-cells = <0>;
79
80 flash@0 {
81 compatible = "jedec,spi-nor";
82 reg = <0>;
83 };
84 };
85 };
86