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Searched refs:cs_gpio (Results 1 – 20 of 20) sorted by relevance

/linux-4.1.27/drivers/spi/
Dspi-dw-mmio.c91 int cs_gpio = of_get_named_gpio(pdev->dev.of_node, in dw_spi_mmio_probe() local
94 if (cs_gpio == -EPROBE_DEFER) { in dw_spi_mmio_probe()
95 ret = cs_gpio; in dw_spi_mmio_probe()
99 if (gpio_is_valid(cs_gpio)) { in dw_spi_mmio_probe()
100 ret = devm_gpio_request(&pdev->dev, cs_gpio, in dw_spi_mmio_probe()
Dspi-bcm2835.c209 if (gpio_is_valid(spi->cs_gpio)) { in bcm2835_spi_transfer_one_irq()
270 if (gpio_is_valid(spi->cs_gpio) || (spi->mode & SPI_NO_CS)) in bcm2835_spi_transfer_one()
384 if (gpio_is_valid(spi->cs_gpio)) in bcm2835_spi_setup()
403 spi->cs_gpio = chip->base + 8 - spi->chip_select; in bcm2835_spi_setup()
407 spi->chip_select, spi->cs_gpio); in bcm2835_spi_setup()
410 err = gpio_direction_output(spi->cs_gpio, in bcm2835_spi_setup()
415 spi->chip_select, spi->cs_gpio, err); in bcm2835_spi_setup()
422 gpio_set_value(spi->cs_gpio, (spi->mode & SPI_CS_HIGH) ? 0 : 1); in bcm2835_spi_setup()
Dspi-mpc512x-psc.c110 if (mps->cs_control && gpio_is_valid(spi->cs_gpio)) in mpc512x_psc_spi_activate_cs()
118 if (mps->cs_control && gpio_is_valid(spi->cs_gpio)) in mpc512x_psc_spi_deactivate_cs()
360 if (gpio_is_valid(spi->cs_gpio)) { in mpc512x_psc_spi_setup()
361 ret = gpio_request(spi->cs_gpio, dev_name(&spi->dev)); in mpc512x_psc_spi_setup()
368 gpio_direction_output(spi->cs_gpio, in mpc512x_psc_spi_setup()
383 if (gpio_is_valid(spi->cs_gpio)) in mpc512x_psc_spi_cleanup()
384 gpio_free(spi->cs_gpio); in mpc512x_psc_spi_cleanup()
466 gpio_set_value(spi->cs_gpio, onoff); in mpc512x_spi_cs_control()
Dspi-davinci.c222 if (spi->cs_gpio >= 0) { in davinci_spi_chipselect()
225 gpio = spi->cs_gpio; in davinci_spi_chipselect()
436 if (np && (master->cs_gpios != NULL) && (spi->cs_gpio >= 0)) { in davinci_spi_setup()
438 spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); in davinci_spi_setup()
443 spi->cs_gpio = pdata->chip_sel[spi->chip_select]; in davinci_spi_setup()
445 spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); in davinci_spi_setup()
451 spi->cs_gpio, retval); in davinci_spi_setup()
1005 int cs_gpio = of_get_named_gpio(pdev->dev.of_node, in davinci_spi_probe() local
1008 if (cs_gpio == -EPROBE_DEFER) { in davinci_spi_probe()
1009 ret = cs_gpio; in davinci_spi_probe()
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Dspi-fsl-spi.c465 if (gpio_is_valid(spi->cs_gpio)) { in fsl_spi_setup()
468 retval = gpio_request(spi->cs_gpio, in fsl_spi_setup()
474 retval = gpio_direction_output(spi->cs_gpio, desel); in fsl_spi_setup()
476 gpio_free(spi->cs_gpio); in fsl_spi_setup()
479 } else if (spi->cs_gpio != -ENOENT) { in fsl_spi_setup()
480 if (spi->cs_gpio < 0) in fsl_spi_setup()
481 return spi->cs_gpio; in fsl_spi_setup()
501 if (mpc8xxx_spi->type == TYPE_GRLIB && gpio_is_valid(spi->cs_gpio)) in fsl_spi_cleanup()
502 gpio_free(spi->cs_gpio); in fsl_spi_cleanup()
575 if (gpio_is_valid(spi->cs_gpio)) { in fsl_spi_grlib_cs_control()
[all …]
Dspi-bfin-sport.c104 u32 cs_gpio; member
147 gpio_direction_output(chip->cs_gpio, 0); in bfin_sport_spi_cs_active()
153 gpio_direction_output(chip->cs_gpio, 1); in bfin_sport_spi_cs_deactive()
523 drv_data->cur_chip->baud, drv_data->cur_chip->cs_gpio, in bfin_sport_spi_pump_messages()
621 chip->cs_gpio = spi->chip_select; in bfin_sport_spi_setup()
622 ret = gpio_request(chip->cs_gpio, spi->modalias); in bfin_sport_spi_setup()
654 gpio_free(chip->cs_gpio); in bfin_sport_spi_cleanup()
Dspi-img-spfi.c458 ret = gpio_request_one(spi->cs_gpio, in img_spfi_setup()
464 spi->cs_gpio); in img_spfi_setup()
468 if (gpio_is_valid(spi->cs_gpio)) { in img_spfi_setup()
472 ret = gpio_direction_output(spi->cs_gpio, mode); in img_spfi_setup()
475 spi->cs_gpio, ret); in img_spfi_setup()
487 gpio_free(spi->cs_gpio); in img_spfi_cleanup()
Dspi-s3c64xx.c799 spi->cs_gpio = cs->line; in s3c64xx_spi_setup()
808 if (gpio_is_valid(spi->cs_gpio)) { in s3c64xx_spi_setup()
809 err = gpio_request_one(spi->cs_gpio, GPIOF_OUT_INIT_HIGH, in s3c64xx_spi_setup()
814 spi->cs_gpio, err); in s3c64xx_spi_setup()
873 if (gpio_is_valid(spi->cs_gpio)) in s3c64xx_spi_setup()
874 gpio_free(spi->cs_gpio); in s3c64xx_spi_setup()
888 if (gpio_is_valid(spi->cs_gpio)) { in s3c64xx_spi_cleanup()
889 gpio_free(spi->cs_gpio); in s3c64xx_spi_cleanup()
898 spi->cs_gpio = -ENOENT; in s3c64xx_spi_cleanup()
Dspi-adi-v3.c105 u32 cs_gpio; member
161 gpio_set_value(chip->cs_gpio, 0); in adi_spi_cs_active()
174 gpio_set_value(chip->cs_gpio, 1); in adi_spi_cs_deactive()
688 chip->cs_gpio = chip->cs - MAX_CTRL_CS; in adi_spi_setup()
689 ret = gpio_request_one(chip->cs_gpio, GPIOF_OUT_INIT_HIGH, in adi_spi_setup()
740 gpio_free(chip->cs_gpio); in adi_spi_cleanup()
Dspi-bfin5xx.c120 u32 cs_gpio; member
170 gpio_set_value(chip->cs_gpio, 0); in bfin_spi_cs_active()
179 gpio_set_value(chip->cs_gpio, 1); in bfin_spi_cs_deactive()
1052 chip->cs_gpio = chip->chip_select_num - MAX_CTRL_CS; in bfin_spi_setup()
1097 ret = gpio_request(chip->cs_gpio, spi->modalias); in bfin_spi_setup()
1102 gpio_direction_output(chip->cs_gpio, 1); in bfin_spi_setup()
1130 gpio_free(chip->cs_gpio); in bfin_spi_setup()
1165 gpio_free(chip->cs_gpio); in bfin_spi_cleanup()
Dspi-imx.c1114 int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); in spi_imx_probe() local
1115 if (!gpio_is_valid(cs_gpio) && mxc_platform_info) in spi_imx_probe()
1116 cs_gpio = mxc_platform_info->chipselect[i]; in spi_imx_probe()
1118 spi_imx->chipselect[i] = cs_gpio; in spi_imx_probe()
1119 if (!gpio_is_valid(cs_gpio)) in spi_imx_probe()
Dspi-st-ssc4.c204 int cs = spi->cs_gpio; in spi_st_cleanup()
217 int cs = spi->cs_gpio; in spi_st_setup()
Dspi-pl022.c2162 int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); in pl022_probe() local
2164 if (cs_gpio == -EPROBE_DEFER) { in pl022_probe()
2169 pl022->chipselects[i] = cs_gpio; in pl022_probe()
2171 if (gpio_is_valid(cs_gpio)) { in pl022_probe()
2172 if (devm_gpio_request(dev, cs_gpio, "ssp-pl022")) in pl022_probe()
2175 cs_gpio); in pl022_probe()
2176 else if (gpio_direction_output(cs_gpio, 1)) in pl022_probe()
2179 cs_gpio); in pl022_probe()
Dspi-clps711x.c44 gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); in spi_clps711x_setup()
Dspi-sirf.c510 gpio_direction_output(spi->cs_gpio, in spi_sirfsoc_chipselect()
514 gpio_direction_output(spi->cs_gpio, in spi_sirfsoc_chipselect()
636 if (spi->cs_gpio == -ENOENT) in spi_sirfsoc_setup()
Dspi-dw.c471 if (gpio_is_valid(spi->cs_gpio)) { in dw_spi_setup()
472 ret = gpio_direction_output(spi->cs_gpio, in dw_spi_setup()
Dspi-sh-msiof.c529 spi->cs_gpio = (uintptr_t)spi->controller_data; in sh_msiof_spi_setup()
539 if (spi->cs_gpio >= 0) in sh_msiof_spi_setup()
540 gpio_set_value(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); in sh_msiof_spi_setup()
Dspi.c251 spi->cs_gpio = -ENOENT; in spi_alloc_device()
322 spi->cs_gpio = master->cs_gpios[spi->chip_select]; in spi_add_device()
467 if (spi->cs_gpio >= 0) in spi_set_cs()
468 gpio_set_value(spi->cs_gpio, !enable); in spi_set_cs()
Dspi-atmel.c1012 if (gpio_is_valid(spi->cs_gpio)) in atmel_spi_setup()
1013 npcs_pin = spi->cs_gpio; in atmel_spi_setup()
/linux-4.1.27/include/linux/spi/
Dspi.h99 int cs_gpio; /* chip select gpio */ member