1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/spi/nvidia, 4 $id: http://devicetree.org/schemas/spi/nvidia,tegra20-sflash.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: NVIDIA Tegra20 SFLASH controller 7 title: NVIDIA Tegra20 SFLASH controller
8 8
9 maintainers: 9 maintainers:
10 - Thierry Reding <thierry.reding@gmail.com> 10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com> 11 - Jon Hunter <jonathanh@nvidia.com>
12 12
13 properties: 13 properties:
14 compatible: 14 compatible:
15 const: nvidia,tegra20-sflash 15 const: nvidia,tegra20-sflash
16 16
17 reg: 17 reg:
18 maxItems: 1 18 maxItems: 1
19 19
20 interrupts: 20 interrupts:
21 maxItems: 1 21 maxItems: 1
22 22
23 clocks: 23 clocks:
24 items: 24 items:
25 - description: module clock 25 - description: module clock
26 26
27 resets: 27 resets:
28 items: 28 items:
29 - description: module reset 29 - description: module reset
30 30
31 reset-names: 31 reset-names:
32 items: 32 items:
33 - const: spi 33 - const: spi
34 34
35 dmas: 35 dmas:
36 items: 36 items:
37 - description: DMA channel used for rece 37 - description: DMA channel used for reception
38 - description: DMA channel used for tran 38 - description: DMA channel used for transmission
39 39
40 dma-names: 40 dma-names:
41 items: 41 items:
42 - const: rx 42 - const: rx
43 - const: tx 43 - const: tx
44 44
45 spi-max-frequency: 45 spi-max-frequency:
46 description: Maximum SPI clocking speed of 46 description: Maximum SPI clocking speed of the controller in Hz.
47 $ref: /schemas/types.yaml#/definitions/uin 47 $ref: /schemas/types.yaml#/definitions/uint32
48 48
49 allOf: 49 allOf:
50 - $ref: spi-controller.yaml 50 - $ref: spi-controller.yaml
51 51
52 unevaluatedProperties: false 52 unevaluatedProperties: false
53 53
54 required: 54 required:
55 - compatible 55 - compatible
56 - reg 56 - reg
57 - interrupts 57 - interrupts
58 - clocks 58 - clocks
59 - resets 59 - resets
60 - reset-names 60 - reset-names
61 - dmas 61 - dmas
62 - dma-names 62 - dma-names
63 63
64 examples: 64 examples:
65 - | 65 - |
66 #include <dt-bindings/clock/tegra20-car.h> 66 #include <dt-bindings/clock/tegra20-car.h>
67 #include <dt-bindings/interrupt-controller 67 #include <dt-bindings/interrupt-controller/arm-gic.h>
68 68
69 spi@7000c380 { 69 spi@7000c380 {
70 compatible = "nvidia,tegra20-sflash"; 70 compatible = "nvidia,tegra20-sflash";
71 reg = <0x7000c380 0x80>; 71 reg = <0x7000c380 0x80>;
72 interrupts = <GIC_SPI 39 IRQ_TYPE_LEVE 72 interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
73 spi-max-frequency = <25000000>; 73 spi-max-frequency = <25000000>;
74 #address-cells = <1>; 74 #address-cells = <1>;
75 #size-cells = <0>; 75 #size-cells = <0>;
76 clocks = <&tegra_car TEGRA20_CLK_SPI>; 76 clocks = <&tegra_car TEGRA20_CLK_SPI>;
77 resets = <&tegra_car 43>; 77 resets = <&tegra_car 43>;
78 reset-names = "spi"; 78 reset-names = "spi";
79 dmas = <&apbdma 11>, <&apbdma 11>; 79 dmas = <&apbdma 11>, <&apbdma 11>;
80 dma-names = "rx", "tx"; 80 dma-names = "rx", "tx";
81 }; 81 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.