drivers/spi/spi-gpio.c

195

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

199

gpiod_set_value_cansleep(spi_gpio->sck, spi->mode & SPI_CPOL);

drivers/spi/spi-gpio.c

202

if (spi_gpio->cs_gpios) {

drivers/spi/spi-gpio.c

203

struct gpio_desc *cs = spi_gpio->cs_gpios[spi_get_chipselect(spi, 0)];

drivers/spi/spi-gpio.c

212

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

214

gpiod_set_value_cansleep(spi_gpio->mosi,

drivers/spi/spi-gpio.c

221

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

228

if (spi_gpio->cs_gpios) {

drivers/spi/spi-gpio.c

229

cs = spi_gpio->cs_gpios[spi_get_chipselect(spi, 0)];

drivers/spi/spi-gpio.c

242

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

246

return gpiod_direction_output(spi_gpio->mosi, 1);

drivers/spi/spi-gpio.c

257

ret = gpiod_direction_input(spi_gpio->mosi);

drivers/spi/spi-gpio.c

270

gpiod_set_value_cansleep(spi_gpio->sck,

drivers/spi/spi-gpio.c

272

gpiod_set_value_cansleep(spi_gpio->sck,

drivers/spi/spi-gpio.c

293

static int spi_gpio_request(struct device *dev, struct spi_gpio *spi_gpio)

drivers/spi/spi-gpio.c

295

spi_gpio->mosi = devm_gpiod_get_optional(dev, "mosi", GPIOD_OUT_LOW);

drivers/spi/spi-gpio.c

296

if (IS_ERR(spi_gpio->mosi))

drivers/spi/spi-gpio.c

297

return PTR_ERR(spi_gpio->mosi);

drivers/spi/spi-gpio.c

299

spi_gpio->miso = devm_gpiod_get_optional(dev, "miso", GPIOD_IN);

drivers/spi/spi-gpio.c

300

if (IS_ERR(spi_gpio->miso))

drivers/spi/spi-gpio.c

301

return PTR_ERR(spi_gpio->miso);

drivers/spi/spi-gpio.c

303

spi_gpio->sck = devm_gpiod_get(dev, "sck", GPIOD_OUT_LOW);

drivers/spi/spi-gpio.c

304

return PTR_ERR_OR_ZERO(spi_gpio->sck);

drivers/spi/spi-gpio.c

312

struct spi_gpio *spi_gpio = spi_controller_get_devdata(host);

drivers/spi/spi-gpio.c

323

spi_gpio->cs_gpios = devm_kcalloc(dev, host->num_chipselect,

drivers/spi/spi-gpio.c

324

sizeof(*spi_gpio->cs_gpios),

drivers/spi/spi-gpio.c

326

if (!spi_gpio->cs_gpios)

drivers/spi/spi-gpio.c

330

spi_gpio->cs_gpios[i] = devm_gpiod_get_index(dev, "cs", i,

drivers/spi/spi-gpio.c

332

if (IS_ERR(spi_gpio->cs_gpios[i]))

drivers/spi/spi-gpio.c

333

return PTR_ERR(spi_gpio->cs_gpios[i]);

drivers/spi/spi-gpio.c

343

struct spi_gpio *spi_gpio;

drivers/spi/spi-gpio.c

348

host = devm_spi_alloc_host(dev, sizeof(*spi_gpio));

drivers/spi/spi-gpio.c

360

spi_gpio = spi_controller_get_devdata(host);

drivers/spi/spi-gpio.c

362

status = spi_gpio_request(dev, spi_gpio);

drivers/spi/spi-gpio.c

370

if (!spi_gpio->mosi) {

drivers/spi/spi-gpio.c

384

bb = &spi_gpio->bitbang;

drivers/spi/spi-gpio.c

409

status = spi_bitbang_init(&spi_gpio->bitbang);

drivers/spi/spi-gpio.c

45

static inline struct spi_gpio *__pure

drivers/spi/spi-gpio.c

49

struct spi_gpio *spi_gpio;

drivers/spi/spi-gpio.c

52

spi_gpio = container_of(bang, struct spi_gpio, bitbang);

drivers/spi/spi-gpio.c

53

return spi_gpio;

drivers/spi/spi-gpio.c

59

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

61

gpiod_set_value_cansleep(spi_gpio->sck, is_on);

drivers/spi/spi-gpio.c

66

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

68

gpiod_set_value_cansleep(spi_gpio->mosi, is_on);

drivers/spi/spi-gpio.c

73

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

76

return !!gpiod_get_value_cansleep(spi_gpio->mosi);

drivers/spi/spi-gpio.c

78

return !!gpiod_get_value_cansleep(spi_gpio->miso);