1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2019 BayLibre, SAS 2 # Copyright 2019 BayLibre, SAS
3 %YAML 1.2 3 %YAML 1.2
4 --- 4 ---
5 $id: http://devicetree.org/schemas/spi/amlogic !! 5 $id: "http://devicetree.org/schemas/spi/amlogic,meson6-spifc.yaml#"
6 $schema: http://devicetree.org/meta-schemas/co !! 6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 7
8 title: Amlogic Meson SPI Flash Controller 8 title: Amlogic Meson SPI Flash Controller
9 9
10 maintainers: 10 maintainers:
11 - Neil Armstrong <neil.armstrong@linaro.org> !! 11 - Neil Armstrong <narmstrong@baylibre.com>
12 12
13 allOf: 13 allOf:
14 - $ref: spi-controller.yaml# !! 14 - $ref: "spi-controller.yaml#"
15 15
16 description: | 16 description: |
17 The Meson SPIFC is a controller optimized fo 17 The Meson SPIFC is a controller optimized for communication with SPI
18 NOR memories, without DMA support and a 64-b 18 NOR memories, without DMA support and a 64-byte unified transmit /
19 receive buffer. 19 receive buffer.
20 20
21 properties: 21 properties:
22 compatible: 22 compatible:
23 enum: 23 enum:
24 - amlogic,meson6-spifc # SPI Flash Contr 24 - amlogic,meson6-spifc # SPI Flash Controller on Meson6 and compatible SoCs
25 - amlogic,meson-gxbb-spifc # SPI Flash C 25 - amlogic,meson-gxbb-spifc # SPI Flash Controller on GXBB and compatible SoCs
26 26
27 reg: 27 reg:
28 maxItems: 1 28 maxItems: 1
29 29
30 clocks: 30 clocks:
31 maxItems: 1 31 maxItems: 1
32 32
33 required: 33 required:
34 - compatible 34 - compatible
35 - reg 35 - reg
36 - clocks 36 - clocks
37 37
38 unevaluatedProperties: false <<
39 <<
40 examples: 38 examples:
41 - | 39 - |
42 spi@c1108c80 { 40 spi@c1108c80 {
43 compatible = "amlogic,meson6-spifc"; !! 41 compatible = "amlogic,meson6-spifc";
44 reg = <0xc1108c80 0x80>; !! 42 reg = <0xc1108c80 0x80>;
45 clocks = <&clk81>; !! 43 clocks = <&clk81>;
46 #address-cells = <1>; !! 44 #address-cells = <1>;
47 #size-cells = <0>; !! 45 #size-cells = <0>;
48 !! 46
49 flash: flash@0 { !! 47 flash: flash@0 {
50 compatible = "spansion,m25p80", "j !! 48 compatible = "spansion,m25p80", "jedec,spi-nor";
51 reg = <0>; !! 49 reg = <0>;
52 spi-max-frequency = <40000000>; !! 50 spi-max-frequency = <40000000>;
53 }; !! 51 };
54 }; 52 };
>> 53
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.