1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/media/nxp,imx8-jpeg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: i.MX8QXP/QM JPEG decoder/encoder
8
9 maintainers:
10 - Mirela Rabulea <mirela.rabulea@nxp.com>
11
12 description: |-
13 The JPEG decoder/encoder present in iMX8QXP and iMX8QM SoCs is an
14 ISO/IEC 10918-1 JPEG standard compliant decoder/encoder, for Baseline
15 and Extended Sequential DCT modes.
16
17 properties:
18 compatible:
19 oneOf:
20 - items:
21 enum:
22 - nxp,imx8qxp-jpgdec
23 - nxp,imx8qxp-jpgenc
24 - items:
25 - const: nxp,imx8qm-jpgdec
26 - const: nxp,imx8qxp-jpgdec
27 - items:
28 - const: nxp,imx8qm-jpgenc
29 - const: nxp,imx8qxp-jpgenc
30
31 reg:
32 maxItems: 1
33
34 clocks:
35 items:
36 - description: AXI DMA engine clock for fetching JPEG bitstream from memory (per)
37 - description: IP bus clock for register access (ipg)
38
39 interrupts:
40 description: |
41 There are 4 slots available in the IP, which the driver may use
42 If a certain slot is used, it should have an associated interrupt
43 The interrupt with index i is assumed to be for slot i
44 minItems: 1 # At least one slot is needed by the driver
45 maxItems: 4 # The IP has 4 slots available for use
46
47 power-domains:
48 description:
49 List of phandle and PM domain specifier as documented in
50 Documentation/devicetree/bindings/power/power_domain.txt
51 minItems: 2 # Wrapper and 1 slot
52 maxItems: 5 # Wrapper and 4 slots
53
54 required:
55 - compatible
56 - reg
57 - clocks
58 - interrupts
59 - power-domains
60
61 additionalProperties: false
62
63 examples:
64 - |
65 #include <dt-bindings/clock/imx8-lpcg.h>
66 #include <dt-bindings/interrupt-controller/arm-gic.h>
67 #include <dt-bindings/firmware/imx/rsrc.h>
68
69 jpegdec: jpegdec@58400000 {
70 compatible = "nxp,imx8qxp-jpgdec";
71 reg = <0x58400000 0x00050000 >;
72 clocks = <&img_jpeg_dec_lpcg IMX_LPCG_CLK_0>,
73 <&img_jpeg_dec_lpcg IMX_LPCG_CLK_4>;
74 interrupts = <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
75 <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
76 <GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>,
77 <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>;
78 power-domains = <&pd IMX_SC_R_MJPEG_DEC_MP>,
79 <&pd IMX_SC_R_MJPEG_DEC_S0>,
80 <&pd IMX_SC_R_MJPEG_DEC_S1>,
81 <&pd IMX_SC_R_MJPEG_DEC_S2>,
82 <&pd IMX_SC_R_MJPEG_DEC_S3>;
83 };
84
85 jpegenc: jpegenc@58450000 {
86 compatible = "nxp,imx8qm-jpgenc", "nxp,imx8qxp-jpgenc";
87 reg = <0x58450000 0x00050000 >;
88 clocks = <&img_jpeg_enc_lpcg IMX_LPCG_CLK_0>,
89 <&img_jpeg__lpcg IMX_LPCG_CLK_4>;
90 interrupts = <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>,
91 <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
92 <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
93 <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>;
94 power-domains = <&pd IMX_SC_R_MJPEG_ENC_MP>,
95 <&pd IMX_SC_R_MJPEG_ENC_S0>,
96 <&pd IMX_SC_R_MJPEG_ENC_S1>,
97 <&pd IMX_SC_R_MJPEG_ENC_S2>,
98 <&pd IMX_SC_R_MJPEG_ENC_S3>;
99 };
100 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.