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Searched refs:cs_gpio (Results 1 – 11 of 11) sorted by relevance

/Linux-v5.10/drivers/spi/
Dspi-mpc512x-psc.c131 if (mps->cs_control && gpio_is_valid(spi->cs_gpio)) in mpc512x_psc_spi_activate_cs()
139 if (mps->cs_control && gpio_is_valid(spi->cs_gpio)) in mpc512x_psc_spi_deactivate_cs()
376 if (gpio_is_valid(spi->cs_gpio)) { in mpc512x_psc_spi_setup()
377 ret = gpio_request(spi->cs_gpio, dev_name(&spi->dev)); in mpc512x_psc_spi_setup()
384 gpio_direction_output(spi->cs_gpio, in mpc512x_psc_spi_setup()
399 if (gpio_is_valid(spi->cs_gpio)) in mpc512x_psc_spi_cleanup()
400 gpio_free(spi->cs_gpio); in mpc512x_psc_spi_cleanup()
481 gpio_set_value(spi->cs_gpio, onoff); in mpc512x_spi_cs_control()
Dspi-at91-usart.c495 int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); in at91_usart_gpio_setup() local
497 if (cs_gpio < 0) in at91_usart_gpio_setup()
498 return cs_gpio; in at91_usart_gpio_setup()
500 if (gpio_is_valid(cs_gpio)) { in at91_usart_gpio_setup()
501 ret = devm_gpio_request_one(&pdev->dev, cs_gpio, in at91_usart_gpio_setup()
Dspi-s3c64xx.c838 spi->cs_gpio = cs->line; in s3c64xx_spi_setup()
847 if (gpio_is_valid(spi->cs_gpio)) { in s3c64xx_spi_setup()
848 err = gpio_request_one(spi->cs_gpio, GPIOF_OUT_INIT_HIGH, in s3c64xx_spi_setup()
853 spi->cs_gpio, err); in s3c64xx_spi_setup()
911 if (gpio_is_valid(spi->cs_gpio)) in s3c64xx_spi_setup()
912 gpio_free(spi->cs_gpio); in s3c64xx_spi_setup()
926 if (gpio_is_valid(spi->cs_gpio)) { in s3c64xx_spi_cleanup()
927 gpio_free(spi->cs_gpio); in s3c64xx_spi_cleanup()
936 spi->cs_gpio = -ENOENT; in s3c64xx_spi_cleanup()
Dspi-bcm2835aux.c453 if (gpio_is_valid(spi->cs_gpio)) { in bcm2835aux_spi_setup()
458 ret = gpio_direction_output(spi->cs_gpio, in bcm2835aux_spi_setup()
463 spi->cs_gpio, ret); in bcm2835aux_spi_setup()
Dspi-sirf.c780 gpio_direction_output(spi->cs_gpio, in spi_sirfsoc_chipselect()
784 gpio_direction_output(spi->cs_gpio, in spi_sirfsoc_chipselect()
1000 if (spi->cs_gpio == -ENOENT) in spi_sirfsoc_setup()
1010 ret = gpio_is_valid(spi->cs_gpio); in spi_sirfsoc_setup()
1016 ret = gpio_request(spi->cs_gpio, DRIVER_NAME); in spi_sirfsoc_setup()
1033 gpio_free(spi->cs_gpio); in spi_sirfsoc_cleanup()
Dspi-st-ssc4.c176 gpio_free(spi->cs_gpio); in spi_st_cleanup()
186 int cs = spi->cs_gpio; in spi_st_setup()
Dspi-pl022.c2187 int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); in pl022_probe() local
2189 if (cs_gpio == -EPROBE_DEFER) { in pl022_probe()
2194 pl022->chipselects[i] = cs_gpio; in pl022_probe()
2196 if (gpio_is_valid(cs_gpio)) { in pl022_probe()
2197 if (devm_gpio_request(dev, cs_gpio, "ssp-pl022")) in pl022_probe()
2200 cs_gpio); in pl022_probe()
2201 else if (gpio_direction_output(cs_gpio, 1)) in pl022_probe()
2204 cs_gpio); in pl022_probe()
Dspi-pic32.c595 if (!gpio_is_valid(spi->cs_gpio)) in pic32_spi_setup()
598 gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); in pic32_spi_setup()
606 gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); in pic32_spi_cleanup()
Dspi-mt65xx.c523 if (mdata->dev_comp->need_pad_sel && gpio_is_valid(spi->cs_gpio)) in mtk_spi_setup()
524 gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); in mtk_spi_setup()
Dspi.c518 spi->cs_gpio = -ENOENT; in spi_alloc_device()
601 spi->cs_gpio = ctlr->cs_gpios[spi->chip_select]; in spi_add_device()
814 if (spi->cs_gpiod || gpio_is_valid(spi->cs_gpio)) { in spi_set_cs()
825 gpio_set_value_cansleep(spi->cs_gpio, !enable); in spi_set_cs()
3346 if (gpio_is_valid(spi->cs_gpio)) in spi_setup()
3510 gpio_is_valid(spi->cs_gpio))) { in __spi_validate()
/Linux-v5.10/include/linux/spi/
Dspi.h193 int cs_gpio; /* LEGACY: chip select gpio */ member