Searched +full:chip +full:- +full:select (Results 1 – 25 of 233) sorted by relevance
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| /Documentation/devicetree/bindings/mtd/ |
| D | st,stm32-fmc2-nand.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/st,stm32-fmc2-nand.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Christophe Kerello <christophe.kerello@st.com>
15 - st,stm32mp15-fmc2
16 - st,stm32mp1-fmc2-nfc
27 - description: tx DMA channel
28 - description: rx DMA channel
29 - description: ecc DMA channel
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| D | gpmc-nor.txt | 8 Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
11 - bank-width: Width of NOR flash in bytes. GPMC supports 8-bit and
12 16-bit devices and so must be either 1 or 2 bytes.
13 - compatible: Documentation/devicetree/bindings/mtd/mtd-physmap.txt
14 - gpmc,cs-on-ns: Chip-select assertion time
15 - gpmc,cs-rd-off-ns: Chip-select de-assertion time for reads
16 - gpmc,cs-wr-off-ns: Chip-select de-assertion time for writes
17 - gpmc,oe-on-ns: Output-enable assertion time
18 - gpmc,oe-off-ns: Output-enable de-assertion time
19 - gpmc,we-on-ns Write-enable assertion time
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| D | fsl-upm-nand.txt | 4 - compatible : "fsl,upm-nand".
5 - reg : should specify localbus chip select and size used for the chip.
6 - fsl,upm-addr-offset : UPM pattern offset for the address latch.
7 - fsl,upm-cmd-offset : UPM pattern offset for the command latch.
10 - fsl,upm-addr-line-cs-offsets : address offsets for multi-chip support.
11 The corresponding address lines are used to select the chip.
12 - gpios : may specify optional GPIOs connected to the Ready-Not-Busy pins
13 (R/B#). For multi-chip devices, "n" GPIO definitions are required
17 - fsl,upm-wait-flags : add chip-dependent short delays after running the
20 - chip-delay : chip dependent delay for transferring data from array to
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| D | aspeed-smc.txt | 5 three chip selects, two of which are always of SPI type and the third
9 chip selects.
12 - compatible : Should be one of
13 "aspeed,ast2400-fmc" for the AST2400 Firmware Memory Controller
14 "aspeed,ast2400-spi" for the AST2400 SPI Flash memory Controller
15 "aspeed,ast2500-fmc" for the AST2500 Firmware Memory Controller
16 "aspeed,ast2500-spi" for the AST2500 SPI flash memory controllers
18 - reg : the first contains the control register location and length,
20 - #address-cells : must be 1 corresponding to chip select child binding
21 - #size-cells : must be 0 corresponding to chip select child binding
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| D | spi-nand.txt | 4 - compatible: should be "spi-nand"
5 - reg: should encode the chip-select line used to access the NAND chip
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| /Documentation/devicetree/bindings/memory-controllers/ |
| D | arm,pl172.txt | 5 - compatible: Must be "arm,primecell" and exactly one from
8 - reg: Must contains offset/length value for controller.
10 - #address-cells: Must be 2. The partition number has to be encoded in the
11 first address cell and it may accept values 0..N-1
12 (N - total number of partitions). The second cell is the
15 - #size-cells: Must be set to 1.
17 - ranges: Must contain one or more chip select memory regions.
19 - clocks: Must contain references to controller clocks.
21 - clock-names: Must contain "mpmcclk" and "apb_pclk".
23 - clock-ranges: Empty property indicating that child nodes can inherit
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| D | ti-aemif.txt | 4 provide a glue-less interface to a variety of asynchronous memory devices like
6 can be accessed at any given time via four chip selects with 64M byte access
7 per chip select. Synchronous memories such as DDR1 SD RAM, SDR SDRAM
11 Davinci DM646x - http://www.ti.com/lit/ug/sprueq7c/sprueq7c.pdf
12 OMAP-L138 (DA850) - http://www.ti.com/lit/ug/spruh77a/spruh77a.pdf
13 Kestone - http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf
17 - compatible: "ti,davinci-aemif"
18 "ti,keystone-aemif"
19 "ti,da850-aemif"
21 - reg: contains offset/length value for AEMIF control registers
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| D | omap-gpmc.txt | 7 - compatible: Should be set to one of the following:
9 ti,omap2420-gpmc (omap2420)
10 ti,omap2430-gpmc (omap2430)
11 ti,omap3430-gpmc (omap3430 & omap3630)
12 ti,omap4430-gpmc (omap4430 & omap4460 & omap543x)
13 ti,am3352-gpmc (am335x devices)
15 - reg: A resource specifier for the register space
17 - ti,hwmods: Should be set to "ti,gpmc" until the DT transition is
19 - #address-cells: Must be set to 2 to allow memory address translation
20 - #size-cells: Must be set to 1 to allow CS address passing
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| /Documentation/devicetree/bindings/mips/cavium/ |
| D | bootbus.txt | 3 The Octeon Boot Bus is a configurable parallel bus with 8 chip
4 selects. Each chip select is independently configurable.
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
20 length element for any triplet is zero, the chip select is disabled,
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| /Documentation/driver-api/ |
| D | edac.rst | 5 ----------------------------------------
8 *sockets, *socket sets*, *banks*, *rows*, *chip-select rows*, *channels*,
43 It is typically the highest hierarchy on a Fully-Buffered DIMM memory
52 * Single-channel
55 only. E. g. if the data is 64 bits-wide, the data flows to the CPU using
57 memories. FB-DIMM and RAMBUS use a different concept for channel, so
60 * Double-channel
63 dimms, accessed at the same time. E. g. if the DIMM is 64 bits-wide (72
67 * Chip-select row
69 This is the name of the DRAM signal used to select the DRAM ranks to be
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| /Documentation/devicetree/bindings/bus/ |
| D | nvidia,tegra20-gmi.txt | 10 - compatible : Should contain one of the following:
11 For Tegra20 must contain "nvidia,tegra20-gmi".
12 For Tegra30 must contain "nvidia,tegra30-gmi".
13 - reg: Should contain GMI controller registers location and length.
14 - clocks: Must contain an entry for each entry in clock-names.
15 - clock-names: Must include the following entries: "gmi"
16 - resets : Must contain an entry for each entry in reset-names.
17 - reset-names : Must include the following entries: "gmi"
18 - #address-cells: The number of cells used to represent physical base
20 - #size-cells: The number of cells used to represent the size of an address
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| /Documentation/devicetree/bindings/spi/ |
| D | qcom,spi-qup.txt | 4 and an input FIFO) for serial peripheral interface (SPI) mini-core.
6 SPI in master mode supports up to 50MHz, up to four chip selects, programmable
10 - compatible: Should contain:
11 "qcom,spi-qup-v1.1.1" for 8660, 8960 and 8064.
12 "qcom,spi-qup-v2.1.1" for 8974 and later
13 "qcom,spi-qup-v2.2.1" for 8974 v2 and later.
15 - reg: Should contain base register location and length
16 - interrupts: Interrupt number used by this controller
18 - clocks: Should contain the core clock and the AHB clock.
19 - clock-names: Should be "core" for the core clock and "iface" for the
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| D | fsl-spi.txt | 4 - cell-index : QE SPI subblock index.
7 - compatible : should be "fsl,spi" or "aeroflexgaisler,spictrl".
8 - mode : the SPI operation mode, it can be "cpu" or "cpu-qe".
9 - reg : Offset and length of the register set for the device
10 - interrupts : <a b> where a is the interrupt number and b is a
15 - clock-frequency : input clock frequency to non FSL_SOC cores
18 - cs-gpios : specifies the gpio pins to be used for chipselects.
20 If unspecified, a single SPI device without a chip select can be used.
21 - fsl,spisel_boot : for the MPC8306 and MPC8309, specifies that the
22 SPISEL_BOOT signal is used as chip select for a slave device. Use
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| D | spi-sprd-adi.txt | 3 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
9 48 hardware channels to access analog chip. For 2 software read/write channels,
10 users should set ADI registers to access analog chip. For hardware channels,
12 which means we can just link one analog chip address to one hardware channel,
13 then users can access the mapped analog chip address by this hardware channel
16 Thus we introduce one property named "sprd,hw-channels" to configure hardware
19 the analog chip address where user want to access by hardware components.
21 Since we have multi-subsystems will use unique ADI to access analog chip, when
34 - compatible: Should be "sprd,sc9860-adi".
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| D | omap-spi.txt | 4 - compatible :
5 - "ti,am654-mcspi" for AM654.
6 - "ti,omap2-mcspi" for OMAP2 & OMAP3.
7 - "ti,omap4-mcspi" for OMAP4+.
8 - ti,spi-num-cs : Number of chipselect supported by the instance.
9 - ti,hwmods: Name of the hwmod associated to the McSPI
10 - ti,pindir-d0-out-d1-in: Select the D0 pin as output and D1 as
15 - dmas: List of DMA specifiers with the controller specific format
17 specifier is required for each chip select.
18 - dma-names: List of DMA request names. These strings correspond
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| D | spi-xlp.txt | 9 - compatible : Should be "netlogic,xlp832-spi".
10 - #address-cells : Number of cells required to define a chip select address
12 - #size-cells : Should be zero.
13 - reg : Should contain register location and length.
14 - clocks : Phandle of the spi clock
15 - interrupts : Interrupt number used by this controller.
18 properties described in Documentation/devicetree/bindings/spi/spi-bus.txt.
23 compatible = "netlogic,xlp832-spi";
24 #address-cells = <1>;
25 #size-cells = <0>;
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| /Documentation/devicetree/bindings/net/ |
| D | gpmc-eth.txt | 1 Device tree bindings for Ethernet chip connected to TI GPMC
4 General-Purpose Memory Controller can be used to connect Pseudo-SRAM devices
12 Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
18 Child nodes need to specify the GPMC bus address width using the "bank-width"
20 specify the I/O registers address width. Even when the GPMC has a maximum 16-bit
21 address width, it supports devices with 32-bit word registers.
23 OMAP2+ board, "bank-width = <2>;" and "reg-io-width = <4>;".
26 - bank-width: Address width of the device in bytes. GPMC supports 8-bit
27 and 16-bit devices and so must be either 1 or 2 bytes.
28 - compatible: Compatible string property for the ethernet child device.
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| /Documentation/spi/ |
| D | pxa2xx.rst | 7 (see Documentation/spi/spi-summary.rst). The driver has the following features
9 - Support for any PXA2xx SSP
10 - SSP PIO and SSP DMA data transfers.
11 - External and Internal (SSPFRM) chip selects.
12 - Per slave device (chip) configuration.
13 - Full suspend, freeze, resume support.
21 -----------------------------------
22 Typically a SPI master is defined in the arch/.../mach-*/board-*.c as a
40 ------------------
62 .name = "pxa2xx-spi", /* MUST BE THIS VALUE, so device match driver */
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| /Documentation/hwmon/ |
| D | nsa320.rst | 22 Adam Baker <linux@baker-net.org.uk>
25 -----------
27 This chip is known to be used in the Zyxel NSA320 and NSA325 NAS Units and
30 lines which are used to provide chip select, clock and data lines. The
34 Following each chip select pulse the chip will generate a single 32 bit word
40 sysfs-Interface
41 ---------------
49 -----
52 provided kernel. Testing has shown that if the delay between chip select and
53 the first clock pulse is reduced from 100 ms to just under 10ms then the chip
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| /Documentation/devicetree/bindings/mfd/ |
| D | qriox.txt | 9 - compatible: "keymile,qriox"
10 - reg: access on the parent local bus (chip select, offset in chip select, size)
14 board-control@1,0 {
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| D | bfticu.txt | 8 - compatible: "keymile,bfticu"
9 - interrupt-controller: the bfticu FPGA is an interrupt controller
10 - interrupts: the main IRQ line to signal the collected IRQs
11 - #interrupt-cells : is 2 and their usage is compliant to the 2 cells variant
12 of Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
13 - reg: access on the parent local bus (chip select, offset in chip select, size)
17 chassis-mgmt@3,0 {
19 interrupt-controller;
20 #interrupt-cells = <2>;
22 interrupt-parent = <&mpic>;
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| /Documentation/devicetree/bindings/gpio/ |
| D | spear_spics.txt | 17 * compatible: should be defined as "st,spear-spics-gpio"
19 * st-spics,peripcfg-reg: peripheral configuration register offset
20 * st-spics,sw-enable-bit: bit offset to enable sw control
21 * st-spics,cs-value-bit: bit offset to drive chipselect low or high
22 * st-spics,cs-enable-mask: chip select number bit mask
23 * st-spics,cs-enable-shift: chip select number program offset
24 * gpio-controller: Marks the device node as gpio controller
25 * #gpio-cells: should be 1 and will mention chip select number
30 -------
32 compatible = "st,spear-spics-gpio";
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| /Documentation/devicetree/bindings/c6x/ |
| D | emifa.txt | 2 -------------------------
5 SoCs. This interface provides external busses with a number of chip selects.
9 - compatible: must be "ti,c64x+emifa", "simple-bus"
10 - reg: register area base and size
11 - #address-cells: must be 2 (chip-select + offset)
12 - #size-cells: must be 1
13 - ranges: mapping from EMIFA space to parent space
18 - ti,dscr-dev-enable: Device ID if EMIF is enabled/disabled from DSCR
20 - ti,emifa-burst-priority:
26 - ti,emifa-ce-config:
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| /Documentation/devicetree/bindings/arm/amlogic/ |
| D | amlogic,meson-gx-ao-secure.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/arm/amlogic/amlogic,meson-gx-ao-secure.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
11 - Neil Armstrong <narmstrong@baylibre.com>
17 # We need a select here so we don't match all nodes with 'syscon'
18 select:
22 const: amlogic,meson-gx-ao-secure
24 - compatible
29 - const: amlogic,meson-gx-ao-secure
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| /Documentation/devicetree/bindings/rtc/ |
| D | maxim-ds1302.txt | 1 * Maxim/Dallas Semiconductor DS-1302 RTC
5 The device uses the standard MicroWire half-duplex transfer timing.
12 - compatible : Should be "maxim,ds1302"
16 - reg : Should be address of the device chip select within
19 - spi-max-frequency : DS-1302 has 500 kHz if powered at 2.2V,
22 - spi-3wire : The device has a shared signal IN/OUT line.
24 - spi-lsb-first : DS-1302 requires least significant bit first
27 - spi-cs-high: DS-1302 has active high chip select line. This is
33 #address-cells = <1>;
34 #size-cells = <0>;
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