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/freebsd/sys/contrib/device-tree/Bindings/spi/
H A Dsprd,sc9860-spi.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/spi/sprd,sc9860-spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Spreadtrum SC9860 SPI Controller
10 - Orson Zhai <orsonzhai@gmail.com>
11 - Baolin Wang <baolin.wang7@gmail.com>
12 - Chunyan Zhang <zhang.lyra@gmail.com>
16 const: sprd,sc9860-spi
26 - description: SPI clock
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H A Dspi-sprd.txt1 Spreadtrum SPI Controller
4 - compatible: Should be "sprd,sc9860-spi".
5 - reg: Offset and length of SPI controller register space.
6 - interrupts: Should contain SPI interrupt.
7 - clock-names: Should contain following entries:
8 "spi" for SPI clock,
9 "source" for SPI source (parent) clock,
10 "enable" for SPI module enable clock.
11 - clocks: List of clock input name strings sorted in the same order
12 as the clock-names property.
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H A Dspi-sprd-adi.txt3 ADI is the abbreviation of Anolog-Digital interface, which is used to access
4 analog chip (such as PMIC) from digital chip. ADI controller follows the SPI
5 framework for its hardware implementation is alike to SPI bus and its timing
6 is compatile to SPI timing.
16 Thus we introduce one property named "sprd,hw-channels" to configure hardware
21 Since we have multi-subsystems will use unique ADI to access analog chip, when
34 - compatible: Should be "sprd,sc9860-adi".
35 - reg: Offset and length of ADI-SPI controller register space.
36 - #address-cells: Number of cells required to define a chip select address
37 on the ADI-SPI bus. Should be set to 1.
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H A Dsprd,spi-adi.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/sprd,spi-adi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Orson Zhai <orsonzhai@gmail.com>
11 - Baolin Wang <baolin.wang7@gmail.com>
12 - Chunyan Zhang <zhang.lyra@gmail.com>
15 ADI is the abbreviation of Anolog-Digital interface, which is used to access
16 analog chip (such as PMIC) from digital chip. ADI controller follows the SPI
17 framework for its hardware implementation is alike to SPI bus and its timing
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/freebsd/sys/contrib/device-tree/src/arm64/sprd/
H A Dwhale2.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/clock/sprd,sc9860-clk.h>
11 interrupt-parent = <&gic>;
12 #address-cells = <2>;
13 #size-cells = <2>;
16 compatible = "simple-bus";
17 #address-cells = <2>;
18 #size-cells = <2>;
66 ap-apb@70000000 {
67 compatible = "simple-bus";
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/freebsd/sys/contrib/device-tree/Bindings/dma/
H A Dsprd-dma.txt6 - compatible: Should be "sprd,sc9860-dma".
7 - reg: Should contain DMA registers location and length.
8 - interrupts: Should contain one interrupt shared by all channel.
9 - #dma-cells: must be <1>. Used to represent the number of integer
11 - dma-channels : Number of DMA channels supported. Should be 32.
12 - clock-names: Should contain the clock of the DMA controller.
13 - clocks: Should contain a clock specifier for each entry in clock-names.
16 - #dma-channels : Number of DMA channels supported. Should be 32.
21 apdma: dma-controller@20100000 {
22 compatible = "sprd,sc9860-dma";
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