drivers/spi/spi-gpio.c

196

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

200

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

drivers/spi/spi-gpio.c

203

if (spi_gpio->cs_gpios) {

drivers/spi/spi-gpio.c

204

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

drivers/spi/spi-gpio.c

213

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

215

gpiod_set_value_cansleep(spi_gpio->mosi,

drivers/spi/spi-gpio.c

222

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

229

if (spi_gpio->cs_gpios) {

drivers/spi/spi-gpio.c

230

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

drivers/spi/spi-gpio.c

243

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

247

return gpiod_direction_output(spi_gpio->mosi, 1);

drivers/spi/spi-gpio.c

258

ret = gpiod_direction_input(spi_gpio->mosi);

drivers/spi/spi-gpio.c

271

gpiod_set_value_cansleep(spi_gpio->sck,

drivers/spi/spi-gpio.c

273

gpiod_set_value_cansleep(spi_gpio->sck,

drivers/spi/spi-gpio.c

294

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

drivers/spi/spi-gpio.c

296

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

drivers/spi/spi-gpio.c

297

if (IS_ERR(spi_gpio->mosi))

drivers/spi/spi-gpio.c

298

return PTR_ERR(spi_gpio->mosi);

drivers/spi/spi-gpio.c

300

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

drivers/spi/spi-gpio.c

301

if (IS_ERR(spi_gpio->miso))

drivers/spi/spi-gpio.c

302

return PTR_ERR(spi_gpio->miso);

drivers/spi/spi-gpio.c

304

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

drivers/spi/spi-gpio.c

305

return PTR_ERR_OR_ZERO(spi_gpio->sck);

drivers/spi/spi-gpio.c

313

struct spi_gpio *spi_gpio = spi_controller_get_devdata(host);

drivers/spi/spi-gpio.c

324

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

drivers/spi/spi-gpio.c

325

sizeof(*spi_gpio->cs_gpios),

drivers/spi/spi-gpio.c

327

if (!spi_gpio->cs_gpios)

drivers/spi/spi-gpio.c

331

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

drivers/spi/spi-gpio.c

333

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

drivers/spi/spi-gpio.c

334

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

drivers/spi/spi-gpio.c

344

struct spi_gpio *spi_gpio;

drivers/spi/spi-gpio.c

349

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

drivers/spi/spi-gpio.c

361

spi_gpio = spi_controller_get_devdata(host);

drivers/spi/spi-gpio.c

363

status = spi_gpio_request(dev, spi_gpio);

drivers/spi/spi-gpio.c

371

if (!spi_gpio->mosi) {

drivers/spi/spi-gpio.c

385

bb = &spi_gpio->bitbang;

drivers/spi/spi-gpio.c

410

status = spi_bitbang_init(&spi_gpio->bitbang);

drivers/spi/spi-gpio.c

46

static inline struct spi_gpio *__pure

drivers/spi/spi-gpio.c

50

struct spi_gpio *spi_gpio;

drivers/spi/spi-gpio.c

53

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

drivers/spi/spi-gpio.c

54

return spi_gpio;

drivers/spi/spi-gpio.c

60

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

62

gpiod_set_value_cansleep(spi_gpio->sck, is_on);

drivers/spi/spi-gpio.c

67

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

69

gpiod_set_value_cansleep(spi_gpio->mosi, is_on);

drivers/spi/spi-gpio.c

74

struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);

drivers/spi/spi-gpio.c

77

return !!gpiod_get_value_cansleep(spi_gpio->mosi);

drivers/spi/spi-gpio.c

79

return !!gpiod_get_value_cansleep(spi_gpio->miso);