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/freebsd/sys/contrib/device-tree/Bindings/bus/
H A Dqcom,ebi2.txt4 external memory (such as NAND or other memory-mapped peripherals) whereas
10 NOR flash memories), WE (write enable). This on top of 6 different chip selects
18 Also CS1 and CS2 has -A and -B signals. Why they have that is unclear to me.
20 The chip selects have the following memory range assignments. This region of
21 memory is referred to as "Chip Peripheral SS FPB0" and is 168MB big.
23 Chip Select Physical address base
24 CS0 GPIO134 0x1a800000-0x1b000000 (8MB)
25 CS1 GPIO39 (A) / GPIO123 (B) 0x1b000000-0x1b800000 (8MB)
26 CS2 GPIO40 (A) / GPIO124 (B) 0x1b800000-0x1c000000 (8MB)
27 CS3 GPIO133 0x1d000000-0x25000000 (128 MB)
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H A Dqcom,ebi2.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 external memory (such as NAND or other memory-mapped peripherals) whereas
17 NOR flash memories), WE (write enable). This on top of 6 different chip selects
25 Also CS1 and CS2 has -A and -B signals. Why they have that is unclear to me.
27 The chip selects have the following memory range assignments. This region of
28 memory is referred to as "Chip Peripheral SS FPB0" and is 168MB big.
30 Chip Select Physical address base
31 CS0 GPIO134 0x1a800000-0x1b000000 (8MB)
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H A Dsocionext,uniphier-system-bus.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/bus/socionext,uniphier-system-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 The UniPhier System Bus is an external bus that connects on-board devices to
11 the UniPhier SoC. It is a simple (semi-)parallel bus with address, data, and
12 some control signals. It supports up to 8 banks (chip selects).
16 within each bank to the CPU-viewed address. The needed setup includes the
21 - Masahiro Yamada <yamada.masahiro@socionext.com>
25 const: socionext,uniphier-system-bus
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H A Dnvidia,tegra20-gmi.txt10 - 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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/freebsd/sys/contrib/device-tree/Bindings/spi/
H A Drenesas,sh-msiof.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/renesas,sh-msiof.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Geert Uytterhoeven <geert+renesas@glider.be>
13 - $ref: spi-controller.yaml#
18 - items:
19 - const: renesas,msiof-sh73a0 # SH-Mobile AG5
20 - const: renesas,sh-mobile-msiof # generic SH-Mobile compatible
22 - items:
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H A Dnuvoton,npcm-fiu.txt6 FIU0 and FIUx supports two chip selects,
7 FIU3 support four chip select.
10 FIU0 and FIUx supports two chip selects,
11 FIU1 and FIU3 supports four chip selects.
14 - compatible : "nuvoton,npcm750-fiu" for Poleg NPCM7XX BMC
15 "nuvoton,npcm845-fiu" for Arbel NPCM8XX BMC
16 - #address-cells : should be 1.
17 - #size-cells : should be 0.
18 - reg : the first contains the register location and length,
20 - reg-names: Should contain the reg names "control" and "memory"
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H A Dfsl-imx-cspi.txt5 - compatible :
6 - "fsl,imx1-cspi" for SPI compatible with the one integrated on i.MX1
7 - "fsl,imx21-cspi" for SPI compatible with the one integrated on i.MX21
8 - "fsl,imx27-cspi" for SPI compatible with the one integrated on i.MX27
9 - "fsl,imx31-cspi" for SPI compatible with the one integrated on i.MX31
10 - "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35
11 - "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51
12 - "fsl,imx53-ecspi" for SPI compatible with the one integrated on i.MX53 and later Soc
13 - "fsl,imx8mq-ecspi" for SPI compatible with the one integrated on i.MX8MQ
14 - "fsl,imx8mm-ecspi" for SPI compatible with the one integrated on i.MX8MM
[all …]
H A Dspi-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Brown <broonie@kernel.org>
20 pattern: "^spi(@.*|-([0-9]|[1-9][0-9]+))?$"
22 "#address-cells":
25 "#size-cells":
28 cs-gpios:
30 GPIOs used as chip selects.
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H A Drenesas,rspi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schema
[all...]
H A Dspi-davinci.txt4 Keystone 2 - https://www.ti.com/lit/ug/sprugp2a/sprugp2a.pdf
5 dm644x - https://www.ti.com/lit/ug/sprue32a/sprue32a.pdf
6 OMAP-L138/da830 - http://www.ti.com/lit/ug/spruh77a/spruh77a.pdf
9 - #address-cells: number of cells required to define a chip select
11 - #size-cells: should be zero.
12 - compatible:
13 - "ti,dm6441-spi" for SPI used similar to that on DM644x SoC family
14 - "ti,da830-spi" for SPI used similar to that on DA8xx SoC family
15 - "ti,keystone-spi" for SPI used similar to that on Keystone2 SoC
17 - reg: Offset and length of SPI controller register space
[all …]
H A Dspi-cadence.txt2 -------------------------------------------
5 - compatible : Should be "cdns,spi-r1p6" or "xlnx,zynq-spi-r1p6".
6 - reg : Physical base address and size of SPI registers map.
7 - interrupts : Property with a value describing the interrupt
9 - clock-names : List of input clock names - "ref_clk", "pclk"
11 - clocks : Clock phandles (see clock bindings for details).
14 - num-cs : Number of chip selects used.
16 chip selects after the decoder.
17 - is-decoded-cs : Flag to indicate whether decoder is used or not.
22 compatible = "xlnx,zynq-spi-r1p6";
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H A Dspi-cadence.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michal Simek <michal.simek@amd.com>
13 - $ref: spi-controller.yaml#
18 - cdns,spi-r1p6
19 - xlnx,zynq-spi-r1p6
27 clock-names:
29 - const: ref_clk
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H A Dqcom,spi-qup.txt4 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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H A Dqcom,spi-geni-qcom.txt5 mini-core.
7 SPI in master mode supports up to 50MHz, up to four chip selects, programmable
11 - compatible: Must contain "qcom,geni-spi".
12 - reg: Must contain SPI register location and length.
13 - interrupts: Must contain SPI controller interrupts.
14 - clock-names: Must contain "se".
15 - clocks: Serial engine core clock needed by the device.
16 - #address-cells: Must be <1> to define a chip select address on
18 - #size-cells: Must be <0>.
22 described in Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml.
[all …]
H A Dspi-peripheral-props.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for a SPI bus.
11 be common properties like spi-max-frequency, spi-cpha, etc. or they could be
13 need to be defined in the peripheral node because they are per-peripheral and
19 - Mark Brown <broonie@kernel.org>
27 - minimum: 0
30 Chip select used by the device.
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H A Dspi-armada-3700.txt5 - compatible: should be "marvell,armada-3700-spi"
6 - reg: physical base address of the controller and length of memory mapped
8 - interrupts: The interrupt number. The interrupt specifier format depends on
10 - clocks: Must contain the clock source, usually from the North Bridge clocks.
11 - num-cs: The number of chip selects that is supported by this SPI Controller
12 - #address-cells: should be 1.
13 - #size-cells: should be 0.
18 compatible = "marvell,armada-3700-spi";
19 #address-cells = <1>;
20 #size-cells = <0>;
[all …]
H A Dspi-xilinx.txt2 -------------------------------------------------
5 - compatible : Should be "xlnx,xps-spi-2.00.a", "xlnx,xps-spi-2.00.b" or "xlnx,axi-quad-spi-1.00.a"
6 - reg : Physical base address and size of SPI registers map.
7 - interrupts : Property with a value describing the interrupt
11 - xlnx,num-ss-bits : Number of chip selects used.
12 - xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified
16 compatible = "xlnx,xps-spi-2.00.a";
17 interrupt-parent = <&intc>;
20 xlnx,num-ss-bits = <0x1>;
21 xlnx,num-transfer-bits = <32>;
/freebsd/sys/contrib/device-tree/Bindings/c6x/
H A Demifa.txt2 -------------------------
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:
[all …]
/freebsd/sys/contrib/device-tree/Bindings/mtd/
H A Daspeed-smc.txt5 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
[all …]
H A Dqcom_nandc.txt4 - compatible: must be one of the following:
5 * "qcom,ipq806x-nand" - for EBI2 NAND controller being used in IPQ806x
7 * "qcom,ipq4019-nand" - for QPIC NAND controller v1.4.0 being used in
9 * "qcom,ipq6018-nand" - for QPIC NAND controller v1.5.0 being used in
11 * "qcom,ipq8074-nand" - for QPIC NAND controller v1.5.0 being used in
13 * "qcom,sdx55-nand" - for QPIC NAND controller v2.0.0 being used in
16 - reg: MMIO address range
17 - clocks: must contain core clock and always on clock
18 - clock-names: must contain "core" for the core clock and "aon" for the
22 - dmas: DMA specifier, consisting of a phandle to the ADM DMA
[all …]
/freebsd/sys/contrib/device-tree/Bindings/hwmon/
H A Dadi,ltc4282.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nuno Sa <nuno.sa@analog.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf
20 - adi,ltc4282
25 vdd-supply: true
30 '#clock-cells':
33 adi,rsense-nano-ohms:
36 adi,vin-mode-microvolt:
[all …]
/freebsd/sys/contrib/device-tree/Bindings/mfd/
H A Dtps6105x.txt3 The TP61050/TPS61052 is a high-power "white LED driver". The
7 - compatible: "ti,tps61050" or "ti,tps61052"
8 - reg: Specifies the I2C slave address
10 Optional sub-node:
12 This subnode selects the chip's operational mode.
15 - regulator: presence of this sub-node puts the chip in regulator mode.
18 - led: presence of this sub-node puts the chip in led mode.
20 - function : see ../leds/common.txt
21 - color : see ../leds/common.txt
22 - label : see ../leds/common.txt
[all …]
H A Dmediatek,mt6357.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Flora Fu <flora.fu@mediatek.com>
11 - Alexandre Mergnat <amergnat@baylibre.com>
14 MT6357 is a power management system chip containing 5 buck
19 - Regulator
20 - RTC
21 - Keys
35 interrupt-controller: true
[all …]
/freebsd/share/man/man4/man4.arm/
H A Dimx_spi.436 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
58 driver requires that all chip select pins be configured as GPIO pins.
60 .Sq cs-gpios
61 to specify which pins to use as chip selects.
73 .Bl -tag -width indent
75 Output debugging info when non-zero.
77 2 adds information about bus clock frequency and chip select activity,
/freebsd/sys/contrib/device-tree/Bindings/mips/cavium/
H A Dbootbus.txt3 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,
[all …]

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