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Searched refs:bitbang (Results 1 – 24 of 24) sorted by relevance

/linux/drivers/spi/
H A Dspi-bitbang.c57 struct spi_bitbang *bitbang; in bitbang_txrx_8() local
63 bitbang = spi_controller_get_devdata(spi->controller); in bitbang_txrx_8()
76 if (bitbang->set_mosi_idle) in bitbang_txrx_8()
77 bitbang->set_mosi_idle(spi); in bitbang_txrx_8()
88 struct spi_bitbang *bitbang; in bitbang_txrx_16() local
94 bitbang = spi_controller_get_devdata(spi->controller); in bitbang_txrx_16()
107 if (bitbang->set_mosi_idle) in bitbang_txrx_16()
108 bitbang->set_mosi_idle(spi); in bitbang_txrx_16()
119 struct spi_bitbang *bitbang; in bitbang_txrx_32() local
125 bitbang = spi_controller_get_devdata(spi->controller); in bitbang_txrx_32()
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H A Dspi-sh-sci.c25 struct spi_bitbang bitbang; member
139 sp->bitbang.ctlr = host; in sh_sci_spi_probe()
140 sp->bitbang.ctlr->bus_num = sp->info->bus_num; in sh_sci_spi_probe()
141 sp->bitbang.ctlr->num_chipselect = sp->info->num_chipselect; in sh_sci_spi_probe()
142 sp->bitbang.chipselect = sh_sci_spi_chipselect; in sh_sci_spi_probe()
144 sp->bitbang.txrx_word[SPI_MODE_0] = sh_sci_spi_txrx_mode0; in sh_sci_spi_probe()
145 sp->bitbang.txrx_word[SPI_MODE_1] = sh_sci_spi_txrx_mode1; in sh_sci_spi_probe()
146 sp->bitbang.txrx_word[SPI_MODE_2] = sh_sci_spi_txrx_mode2; in sh_sci_spi_probe()
147 sp->bitbang.txrx_word[SPI_MODE_3] = sh_sci_spi_txrx_mode3; in sh_sci_spi_probe()
162 ret = spi_bitbang_start(&sp->bitbang); in sh_sci_spi_probe()
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H A Dspi-lm70llp.c71 struct spi_bitbang bitbang; member
215 pp->bitbang.ctlr = host; in spi_lm70llp_attach()
216 pp->bitbang.chipselect = lm70_chipselect; in spi_lm70llp_attach()
217 pp->bitbang.txrx_word[SPI_MODE_0] = lm70_txrx; in spi_lm70llp_attach()
218 pp->bitbang.flags = SPI_3WIRE; in spi_lm70llp_attach()
242 status = spi_bitbang_start(&pp->bitbang); in spi_lm70llp_attach()
267 pp->spidev_lm70 = spi_new_device(pp->bitbang.ctlr, &pp->info); in spi_lm70llp_attach()
282 spi_bitbang_stop(&pp->bitbang); in spi_lm70llp_attach()
304 spi_bitbang_stop(&pp->bitbang); in spi_lm70llp_detach()
312 spi_controller_put(pp->bitbang.ctlr); in spi_lm70llp_detach()
H A Dspi-butterfly.c51 struct spi_bitbang bitbang; member
208 pp->bitbang.ctlr = host; in butterfly_attach()
209 pp->bitbang.chipselect = butterfly_chipselect; in butterfly_attach()
210 pp->bitbang.txrx_word[SPI_MODE_0] = butterfly_txrx_word_mode0; in butterfly_attach()
252 status = spi_bitbang_start(&pp->bitbang); in butterfly_attach()
266 pp->dataflash = spi_new_device(pp->bitbang.ctlr, &pp->info[0]); in butterfly_attach()
302 spi_bitbang_stop(&pp->bitbang); in butterfly_detach()
311 spi_controller_put(pp->bitbang.ctlr); in butterfly_detach()
H A Dspi-omap-uwire.c89 struct spi_bitbang bitbang; member
451 spi_controller_put(uwire->bitbang.ctlr); in uwire_off()
496 uwire->bitbang.ctlr = host; in uwire_probe()
497 uwire->bitbang.chipselect = uwire_chipselect; in uwire_probe()
498 uwire->bitbang.setup_transfer = uwire_setup_transfer; in uwire_probe()
499 uwire->bitbang.txrx_bufs = uwire_txrx; in uwire_probe()
501 status = spi_bitbang_start(&uwire->bitbang); in uwire_probe()
514 spi_bitbang_stop(&uwire->bitbang); in uwire_remove()
H A Dspi-ppc4xx.c112 struct spi_bitbang bitbang; member
201 mutex_lock(&hw->bitbang.lock); in spi_ppc4xx_setupxfer()
202 if (!hw->bitbang.busy) { in spi_ppc4xx_setupxfer()
203 hw->bitbang.chipselect(spi, BITBANG_CS_INACTIVE); in spi_ppc4xx_setupxfer()
206 mutex_unlock(&hw->bitbang.lock); in spi_ppc4xx_setupxfer()
359 bbp = &hw->bitbang; in spi_ppc4xx_of_probe()
471 spi_bitbang_stop(&hw->bitbang); in spi_ppc4xx_of_remove()
H A Dspi-davinci.c165 struct spi_bitbang bitbang; member
522 struct device *sdev = dspi->bitbang.ctlr->dev.parent; in davinci_spi_check_error()
811 struct device *sdev = dspi->bitbang.ctlr->dev.parent; in davinci_spi_request_dma()
982 dspi->bitbang.ctlr = host; in davinci_spi_probe()
999 dspi->bitbang.chipselect = davinci_spi_chipselect; in davinci_spi_probe()
1000 dspi->bitbang.setup_transfer = davinci_spi_setup_transfer; in davinci_spi_probe()
1004 dspi->bitbang.flags = SPI_NO_CS | SPI_LSB_FIRST | SPI_LOOP | SPI_CS_WORD; in davinci_spi_probe()
1006 dspi->bitbang.flags |= SPI_READY; in davinci_spi_probe()
1008 dspi->bitbang.txrx_bufs = davinci_spi_bufs; in davinci_spi_probe()
1043 ret = spi_bitbang_start(&dspi->bitbang); in davinci_spi_probe()
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H A Dspi-au1550.c41 struct spi_bitbang bitbang; member
794 hw->bitbang.ctlr = hw->host; in au1550_spi_probe()
795 hw->bitbang.setup_transfer = au1550_spi_setupxfer; in au1550_spi_probe()
796 hw->bitbang.chipselect = au1550_spi_chipsel; in au1550_spi_probe()
797 hw->bitbang.txrx_bufs = au1550_spi_txrx_bufs; in au1550_spi_probe()
875 err = spi_bitbang_start(&hw->bitbang); in au1550_spi_probe()
924 spi_bitbang_stop(&hw->bitbang); in au1550_spi_remove()
/linux/drivers/net/ethernet/freescale/fs_enet/
H A Dmii-bitbang.c57 struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); in mdio_dir() local
60 bb_set(bitbang->dir, bitbang->mdio_msk); in mdio_dir()
62 bb_clr(bitbang->dir, bitbang->mdio_msk); in mdio_dir()
65 in_be32(bitbang->dir); in mdio_dir()
70 struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); in mdio_read() local
71 return bb_read(bitbang->dat, bitbang->mdio_msk); in mdio_read()
76 struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); in mdio() local
79 bb_set(bitbang->dat, bitbang->mdio_msk); in mdio()
81 bb_clr(bitbang->dat, bitbang->mdio_msk); in mdio()
84 in_be32(bitbang->dat); in mdio()
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H A DMakefile13 obj-$(CONFIG_FS_ENET_MDIO_FCC) += mii-bitbang.o
/linux/drivers/net/mdio/
H A Dmdio-gpio.c36 struct mdio_gpio_info *bitbang) in mdio_gpio_get_data() argument
38 bitbang->mdc = devm_gpiod_get_index(dev, NULL, MDIO_GPIO_MDC, in mdio_gpio_get_data()
40 if (IS_ERR(bitbang->mdc)) in mdio_gpio_get_data()
41 return PTR_ERR(bitbang->mdc); in mdio_gpio_get_data()
43 bitbang->mdio = devm_gpiod_get_index(dev, NULL, MDIO_GPIO_MDIO, in mdio_gpio_get_data()
45 if (IS_ERR(bitbang->mdio)) in mdio_gpio_get_data()
46 return PTR_ERR(bitbang->mdio); in mdio_gpio_get_data()
48 bitbang->mdo = devm_gpiod_get_index_optional(dev, NULL, MDIO_GPIO_MDO, in mdio_gpio_get_data()
50 return PTR_ERR_OR_ZERO(bitbang->mdo); in mdio_gpio_get_data()
55 struct mdio_gpio_info *bitbang = in mdio_dir() local
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H A DMakefile12 obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
/linux/drivers/net/ethernet/renesas/
H A Dsh_eth.c1178 struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); in sh_mdio_ctrl() local
1181 if (bitbang->set_gate) in sh_mdio_ctrl()
1182 bitbang->set_gate(bitbang->addr); in sh_mdio_ctrl()
1184 pir = ioread32(bitbang->addr); in sh_mdio_ctrl()
1189 iowrite32(pir, bitbang->addr); in sh_mdio_ctrl()
1207 struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); in sh_get_mdio() local
1209 if (bitbang->set_gate) in sh_get_mdio()
1210 bitbang->set_gate(bitbang->addr); in sh_get_mdio()
1212 return (ioread32(bitbang->addr) & PIR_MDI) != 0; in sh_get_mdio()
3095 struct bb_info *bitbang; in sh_mdio_init() local
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6q-prtwd2.dts39 /* PRTWD2 rev 1 bitbang I2C for Ethernet Switch */
/linux/drivers/gpib/
H A DKconfig145 tristate "RPi GPIO bitbang"
149 GPIB bitbang driver Raspberry Pi GPIO adapters
/linux/Documentation/driver-api/gpio/
H A Ddrivers-on-gpio.rst54 (two wires, SDA and SCL lines) by hammering (bitbang) two GPIO lines. It will
60 GPIO hammering (bitbang). It will appear as any other SPI bus on the system
/linux/arch/powerpc/boot/dts/
H A Dep8248e.dts66 compatible = "fsl,ep8248e-mdio-bitbang";
H A Dmgcoge.dts171 compatible = "fsl,cpm2-mdio-bitbang";
H A Dksi8560.dts279 compatible = "fsl,cpm2-mdio-bitbang";
/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mp-edm-g.dtsi551 MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28 0x1c3 /* BRD_CONF_SCL, bitbang */
552 MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29 0x1c3 /* BRD_CONF_SDA, bitbang */
/linux/arch/arm64/boot/dts/qcom/
H A Dmsm8953-xiaomi-daisy.dts79 * We bitbang on &i2c_4 because BLSP is protected by TZ as sensors are
H A Dmsm8953-xiaomi-vince.dts70 * We bitbang on &i2c_4 because BLSP is protected by TZ as sensors are
/linux/arch/arm/boot/dts/microchip/
H A Dat91sam9261.dtsi529 pinctrl_i2c_bitbang: i2c-0-bitbang {
/linux/Documentation/admin-guide/media/
H A Dbttv.rst180 maximum supported speed by kernel bitbang