| /linux/Documentation/devicetree/bindings/iommu/ |
| H A D | iommu.txt | 13 Example: 32-bit DMA to 64-bit physical addresses
15 * Implement scatter-gather at page level granularity so that the device does
29 IOMMUs can be single-master or multiple-master. Single-master IOMMU devices
30 typically have a fixed association to the master device, whereas multiple-
34 "dma-ranges" property that describes how the physical address space of the
35 IOMMU maps to memory. An empty "dma-ranges" property means that there is a
39 --------------------
40 - #iommu-cells: The number of cells in an IOMMU specifier needed to encode an
44 the specific IOMMU. Below are a few examples of typical use-cases:
46 - #iommu-cells = <0>: Single master IOMMU devices are not configurable and
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| /linux/Documentation/devicetree/bindings/powerpc/fsl/ |
| H A D | mpic.txt | 14 - compatible
22 - reg
24 Value type: <prop-encoded-array>
29 - interrupt-controller
35 - #interrupt-cells
39 specifiers do not contain the interrupt-type or type-specific
42 - #address-cells
47 - pic-no-reset
53 configuration registers to a sane state-- masked or
60 - big-endian
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| H A D | srio.txt | 5 - compatible
11 Optionally, a compatible string of "fsl,srio-vX.Y" where X is Major
15 - reg
17 Value type: <prop-encoded-array>
22 - interrupts
24 Value type: <prop_encoded-array>
30 A single IRQ that handles error conditions is specified by this
31 property. (Typically shared with port-write).
33 - fsl,srio-rmu-handle:
36 Definition: A single <phandle> value that points to the RMU.
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| H A D | mpc5200.txt | 2 ----------------------------
4 (c) 2006-2009 Secret Lab Technologies Ltd
8 ------------------
9 For mpc5200 on-chip devices, the format for each compatible value is
10 <chip>-<device>[-<mode>]. The OS should be able to match a device driver
21 "fsl,mpc5200-<device>".
29 compatible = "fsl,mpc5200b-<device>","fsl,mpc5200-<device>";
34 ie. ethernet on mpc5200: compatible = "fsl,mpc5200-fec";
35 ethernet on mpc5200b: compatible = "fsl,mpc5200b-fec", "fsl,mpc5200-fec";
39 "fsl,mpc5200-psc-i2s", not "fsl,mpc5200-i2s". This convention is chosen to
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| /linux/Documentation/devicetree/bindings/interrupt-controller/ |
| H A D | interrupts.txt | 5 -------------------------
8 "interrupts" property, an "interrupts-extended" property, or both. If both are
16 interrupt-parent = <&intc1>;
19 The "interrupt-parent" property is used to specify the controller to which
20 interrupts are routed and contains a single phandle referring to the interrupt
25 The "interrupts-extended" property is a special form; useful when a node needs
31 interrupts-extended = <&intc1 5 1>, <&intc2 1 0>;
34 -----------------------------
36 A device is marked as an interrupt controller with the "interrupt-controller"
37 property. This is a empty, boolean property. An additional "#interrupt-cells"
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|
| H A D | apple,aic2.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/apple,aic2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Martin <marcan@marcan.st>
18 - Level-triggered hardware IRQs wired to SoC blocks
19 - Single mask bit per IRQ
20 - Automatic masking on event delivery (auto-ack)
21 - Software triggering (ORed with hw line)
22 - Automatic prioritization (single event/ack register per CPU, lower IRQs =
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| H A D | arm,vic.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/arm,vic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
15 be nested or have the outputs wire-OR'd together.
18 - $ref: /schemas/interrupt-controller.yaml#
23 - arm,pl190-vic
24 - arm,pl192-vic
25 - arm,versatile-vic
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| H A D | arm,gic-v3.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/arm,gic-v3.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marc Zyngier <maz@kernel.org>
15 Software Generated Interrupts (SGI), and Locality-specific Peripheral
19 - $ref: /schemas/interrupt-controller.yaml#
24 - items:
25 - enum:
26 - qcom,msm8996-gic-v3
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| H A D | apple,aic.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/apple,aic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Martin <marcan@marcan.st>
19 - Level-triggered hardware IRQs wired to SoC blocks
20 - Single mask bit per IRQ
21 - Per-IRQ affinity setting
22 - Automatic masking on event delivery (auto-ack)
23 - Software triggering (ORed with hw line)
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| H A D | samsung,exynos4210-combiner.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/samsung,exynos4210-combiner.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
14 can combine interrupt sources as a group and provide a single interrupt
23 A single node in the device tree is used to describe the interrupt combiner
26 combiners. For example, a 32-bit interrupt enable/disable config register can
31 - $ref: /schemas/interrupt-controller.yaml#
35 const: samsung,exynos4210-combiner
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|
| /linux/Documentation/devicetree/bindings/clock/ |
| H A D | pistachio-clock.txt | 6 from the device-tree.
9 ----------------
12 defined with the following clock-output-names:
13 - "xtal": External 52Mhz oscillator (required)
14 - "audio_clk_in": Alternate audio reference clock (optional)
15 - "enet_clk_in": Alternate ethernet PHY clock (optional)
18 ----------------------
21 co-processor), audio, and several peripherals.
24 - compatible: Must be "img,pistachio-clk".
25 - reg: Must contain the base address and length of the core clock controller.
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| /linux/include/dt-bindings/gpio/ |
| H A D | gpio.h | 1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
5 * Most GPIO bindings include a flags cell as part of the GPIO specifier.
6 * In most cases, the format of the flags cell uses the standard values
17 /* Bit 1 express single-endedness */
26 * Open Drain/Collector is the combination of single-ended open drain interface.
27 * Open Source/Emitter is the combination of single-ended open source interface.
|
| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | ext-ctrls-detect.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _detect-controls:
13 .. _detect-control-id:
28 .. flat-table::
29 :header-rows: 0
30 :stub-columns: 0
32 * - ``V4L2_DETECT_MD_MODE_DISABLED``
33 - Disable motion detection.
34 * - ``V4L2_DETECT_MD_MODE_GLOBAL``
35 - Use a single motion detection threshold.
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| /linux/Documentation/devicetree/bindings/mips/cavium/ |
| H A D | bootbus.txt | 7 - compatible: "cavium,octeon-3860-bootbus"
11 - reg: The base address of the Boot Bus' register bank.
13 - #address-cells: Must be <2>. The first cell is the chip select
14 within the bootbus. The second cell is the offset from the chip select.
16 - #size-cells: Must be <1>.
18 - ranges: There must be one one triplet of (child-bus-address,
19 parent-bus-address, length) for each active chip select. If the
27 - compatible: "cavium,octeon-3860-bootbus-config"
29 - cavium,cs-index: A single cell indicating the chip select that
32 - cavium,t-adr: A cell specifying the ADR timing (in nS).
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|
| /linux/include/uapi/linux/ |
| H A D | atmdev.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* atmdev.h - ATM device driver declarations and various related items */
4 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
21 bits per cell: /8/53
22 max cell rate: 353207.547 cells/sec */
23 #define ATM_25_PCR ((25600000/8-8000)/54)
24 /* 25 Mbps ATM cell rate (59111) */
28 bits per cell: /8/53
29 max cell rate: 1412830.188 cells/sec */
97 /* enable or disable single-copy */
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | cavium-mix.txt | 4 - compatible: "cavium,octeon-5750-mix"
9 - reg: The base addresses of four separate register banks. The first
15 - cell-index: A single cell specifying which portion of the shared
18 - interrupts: Two interrupt specifiers. The first is the MIX
21 - phy-handle: Optional, see ethernet.txt file in the same directory.
25 compatible = "cavium,octeon-5750-mix";
30 cell-index = <1>;
32 local-mac-address = [ 00 0f b7 10 63 54 ];
33 phy-handle = <&phy1>;
|
| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | richtek,rt9471.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT9471 3A Single Cell Switching Battery charger
10 - Alina Yu <alina_yu@richtek.com>
11 - ChiYuan Huang <cy_huang@richtek.com>
14 RT9471 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
19 https://www.richtek.com/assets/product_file/RT9471=RT9471D/DS9471D-02.pdf
28 charge-enable-gpios:
32 wakeup-source: true
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|
| /linux/Documentation/devicetree/bindings/gpio/ |
| H A D | gpio.txt | 5 -----------------
7 GPIO properties should be named "[<name>-]gpios", with <name> being the purpose
8 of this GPIO for the device. While a non-existent <name> is considered valid
10 for new bindings. Also, GPIO properties named "[<name>-]gpio" are valid and old
24 and bit-banged data signals:
27 gpio-controller;
28 #gpio-cells = <2>;
32 data-gpios = <&gpio1 12 0>,
37 In the above example, &gpio1 uses 2 cells to specify a gpio. The first cell is
38 a local offset to the GPIO line and the second cell represent consumer flags,
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|
| H A D | nvidia,tegra186-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/nvidia,tegra186-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
26 GPIO register set. These registers exist in a single contiguous block
53 controller, are both extremely non-linear. The header file
54 <dt-bindings/gpio/tegra186-gpio.h> describes the port-level mapping. In
65 module and the sets-of-ports as "controllers".
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| /linux/Documentation/devicetree/bindings/pinctrl/ |
| H A D | pinctrl-st.txt | 3 Each multi-function pin is controlled, driven and routed through the
5 and multiple alternate functions(ALT1 - ALTx) that directly connect
14 GPIO bank can have one of the two possible types of interrupt-wirings.
16 First type is via irqmux, single interrupt is used by multiple gpio banks. This
18 a single pincontroller.
20 | |----> [gpio-bank (n) ]
21 | |----> [gpio-bank (n + 1)]
22 [irqN]-- | irq-mux |----> [gpio-bank (n + 2)]
23 | |----> [gpio-bank (... )]
24 |_________|----> [gpio-bank (n + 7)]
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|
| H A D | brcm,bcm2835-gpio.txt | 7 - compatible: "brcm,bcm2835-gpio"
8 - compatible: should be one of:
9 "brcm,bcm2835-gpio" - BCM2835 compatible pinctrl
10 "brcm,bcm7211-gpio" - BCM7211 compatible pinctrl
11 "brcm,bcm2711-gpio" - BCM2711 compatible pinctrl
12 "brcm,bcm7211-gpio" - BCM7211 compatible pinctrl
13 - reg: Should contain the physical address of the GPIO module's registers.
14 - gpio-controller: Marks the device node as a GPIO controller.
15 - #gpio-cells : Should be two. The first cell is the pin number and the
16 second cell is used to specify optional parameters:
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| H A D | pinctrl-vt8500.txt | 1 VIA VT8500 and Wondermedia WM8xxx-series pinmux/gpio controller
7 - compatible: "via,vt8500-pinctrl", "wm,wm8505-pinctrl", "wm,wm8650-pinctrl",
8 "wm8750-pinctrl" or "wm,wm8850-pinctrl"
9 - reg: Should contain the physical address of the module's registers.
10 - interrupt-controller: Marks the device node as an interrupt controller.
11 - #interrupt-cells: Should be two.
12 - gpio-controller: Marks the device node as a GPIO controller.
13 - #gpio-cells : Should be two. The first cell is the pin number and the
14 second cell is used to specify optional parameters.
15 bit 0 - active low
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| /linux/Documentation/devicetree/bindings/crypto/ |
| H A D | fsl-sec2.txt | 1 Freescale SoC SEC Security Engines versions 1.x-2.x-3.x
5 - compatible : Should contain entries for this and backward compatible
9 - reg : Offset and length of the register set for the device
10 - interrupts : the SEC's interrupt number
11 - fsl,num-channels : An integer representing the number of channels
13 - fsl,channel-fifo-len : An integer representing the number of
15 - fsl,exec-units-mask : The bitmask representing what execution units
16 (EUs) are available. It's a single 32-bit cell. EU information
20 bit 0 = reserved - should be 0
23 bit 3 = set if SEC has the message digest EU (MDEU/MDEU-A)
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|
| /linux/Documentation/devicetree/bindings/regulator/ |
| H A D | adi,max77503-regulator.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/regulator/adi,max77503-regulator.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Gokhan Celik <Gokhan.Celik@analog.com>
14 The Analog Devices MAX77503 is a single channel 14V input, 1.5A
15 high-efficiency buck converter. This converter has 94% efficiency
16 for 2-Cell/3-Cell battery applications.
19 - $ref: regulator.yaml#
24 - adi,max77503
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|
| /linux/Documentation/devicetree/bindings/dma/ |
| H A D | moxa,moxart-dma.txt | 7 - compatible : Must be "moxa,moxart-dma"
8 - reg : Should contain registers location and length
9 - interrupts : Should contain an interrupt-specifier for the sole
11 - #dma-cells : Should be 1, a single cell holding a line request number
16 compatible = "moxa,moxart-dma";
19 #dma-cells = <1>;
26 described in the dma.txt file, using a two-cell specifier for each channel:
38 compatible = "moxa,moxart-mmc";
44 dma-names = "tx", "rx";
|