Searched +full:rb4xx +full:- +full:spi (Results 1 – 7 of 7) sorted by relevance
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/spi/ |
| D | mikrotik,rb4xx-spi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/mikrotik,rb4xx-spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MikroTik RB4xx series SPI master
10 - Gabor Juhos <juhosg@openwrt.org>
11 - Bert Vermeulen <bert@biot.com>
14 - $ref: "spi-controller.yaml#"
18 const: mikrotik,rb4xx-spi
24 - compatible
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| /kernel/linux/linux-5.10/drivers/spi/ |
| D | spi-rb4xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * SPI controller driver for the Mikrotik RB4xx boards
16 #include <linux/spi/spi.h>
19 #include <asm/mach-ath79/ar71xx_regs.h>
28 return __raw_readl(rbspi->base + reg); in rb4xx_read()
33 __raw_writel(value, rbspi->base + reg); in rb4xx_write()
52 for (i = 7; i >= 0; i--) in do_spi_byte()
81 static void rb4xx_set_cs(struct spi_device *spi, bool enable) in rb4xx_set_cs() argument
83 struct rb4xx_spi *rbspi = spi_master_get_devdata(spi->master); in rb4xx_set_cs()
96 struct spi_device *spi, struct spi_transfer *t) in rb4xx_transfer_one() argument
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| D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for kernel SPI drivers.
6 ccflags-$(CONFIG_SPI_DEBUG) := -DDEBUG
8 # small core, mostly translating board-specific
10 obj-$(CONFIG_SPI_MASTER) += spi.o
11 obj-$(CONFIG_SPI_MEM) += spi-mem.o
12 obj-$(CONFIG_SPI_MUX) += spi-mux.o
13 obj-$(CONFIG_SPI_SPIDEV) += spidev.o
14 obj-$(CONFIG_SPI_LOOPBACK_TEST) += spi-loopback-test.o
16 # SPI master controller drivers (bus)
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # SPI driver configuration
5 menuconfig SPI config
6 bool "SPI support"
10 protocol. Chips that support SPI can have data transfer rates
12 controller and a chipselect. Most SPI slaves don't support
13 dynamic device discovery; some are even write-only or read-only.
15 SPI is widely used by microcontrollers to talk with sensors,
17 chips, analog to digital (and d-to-a) converters, and more.
18 MMC and SD cards can be accessed using SPI protocol; and for
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| /kernel/linux/linux-4.19/drivers/spi/ |
| D | spi-rb4xx.c | 2 * SPI controller driver for the Mikrotik RB4xx boards
20 #include <linux/spi/spi.h>
22 #include <asm/mach-ath79/ar71xx_regs.h>
31 return __raw_readl(rbspi->base + reg); in rb4xx_read()
36 __raw_writel(value, rbspi->base + reg); in rb4xx_write()
55 for (i = 7; i >= 0; i--) in do_spi_byte()
84 static void rb4xx_set_cs(struct spi_device *spi, bool enable) in rb4xx_set_cs() argument
86 struct rb4xx_spi *rbspi = spi_master_get_devdata(spi->master); in rb4xx_set_cs()
99 struct spi_device *spi, struct spi_transfer *t) in rb4xx_transfer_one() argument
108 * Prime the SPI register with the SPI device selected. The m25p80 boot in rb4xx_transfer_one()
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| D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for kernel SPI drivers.
6 ccflags-$(CONFIG_SPI_DEBUG) := -DDEBUG
8 # small core, mostly translating board-specific
10 obj-$(CONFIG_SPI_MASTER) += spi.o
11 obj-$(CONFIG_SPI_MEM) += spi-mem.o
12 obj-$(CONFIG_SPI_SPIDEV) += spidev.o
13 obj-$(CONFIG_SPI_LOOPBACK_TEST) += spi-loopback-test.o
15 # SPI master controller drivers (bus)
16 obj-$(CONFIG_SPI_ALTERA) += spi-altera.o
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| D | Kconfig | 2 # SPI driver configuration
4 menuconfig SPI config
5 bool "SPI support"
9 protocol. Chips that support SPI can have data transfer rates
11 controller and a chipselect. Most SPI slaves don't support
12 dynamic device discovery; some are even write-only or read-only.
14 SPI is widely used by microcontrollers to talk with sensors,
16 chips, analog to digital (and d-to-a) converters, and more.
17 MMC and SD cards can be accessed using SPI protocol; and for
18 DataFlash cards used in MMC sockets, SPI must always be used.
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