92 struct orion_spi {  struct
108 static inline void __iomem *spi_reg(struct orion_spi *orion_spi, u32 reg)  in spi_reg()  argument
110 	return orion_spi->base + reg;  in spi_reg()
114 orion_spi_setbits(struct orion_spi *orion_spi, u32 reg, u32 mask)  in orion_spi_setbits()  argument
116 	void __iomem *reg_addr = spi_reg(orion_spi, reg);  in orion_spi_setbits()
125 orion_spi_clrbits(struct orion_spi *orion_spi, u32 reg, u32 mask)  in orion_spi_clrbits()  argument
127 	void __iomem *reg_addr = spi_reg(orion_spi, reg);  in orion_spi_clrbits()
141 	struct orion_spi *orion_spi;  in orion_spi_baudrate_set()  local
144 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_baudrate_set()
145 	devdata = orion_spi->devdata;  in orion_spi_baudrate_set()
147 	tclk_hz = clk_get_rate(orion_spi->clk);  in orion_spi_baudrate_set()
225 	reg = readl(spi_reg(orion_spi, ORION_SPI_IF_CONFIG_REG));  in orion_spi_baudrate_set()
227 	writel(reg, spi_reg(orion_spi, ORION_SPI_IF_CONFIG_REG));  in orion_spi_baudrate_set()
236 	struct orion_spi *orion_spi;  in orion_spi_mode_set()  local
238 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_mode_set()
240 	reg = readl(spi_reg(orion_spi, ORION_SPI_IF_CONFIG_REG));  in orion_spi_mode_set()
251 	writel(reg, spi_reg(orion_spi, ORION_SPI_IF_CONFIG_REG));  in orion_spi_mode_set()
258 	struct orion_spi *orion_spi;  in orion_spi_50mhz_ac_timing_erratum()  local
260 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_50mhz_ac_timing_erratum()
276 	reg = readl(spi_reg(orion_spi, ORION_SPI_TIMING_PARAMS_REG));  in orion_spi_50mhz_ac_timing_erratum()
279 	if (clk_get_rate(orion_spi->clk) == 250000000 &&  in orion_spi_50mhz_ac_timing_erratum()
286 	writel(reg, spi_reg(orion_spi, ORION_SPI_TIMING_PARAMS_REG));  in orion_spi_50mhz_ac_timing_erratum()
295 	struct orion_spi *orion_spi;  in orion_spi_setup_transfer()  local
300 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_setup_transfer()
310 	if (orion_spi->devdata->is_errata_50mhz_ac)  in orion_spi_setup_transfer()
318 		orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG,  in orion_spi_setup_transfer()
321 		orion_spi_clrbits(orion_spi, ORION_SPI_IF_CONFIG_REG,  in orion_spi_setup_transfer()
329 	struct orion_spi *orion_spi;  in orion_spi_set_cs()  local
333 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_set_cs()
334 	ctrl_reg = spi_reg(orion_spi, ORION_SPI_IF_CTRL_REG);  in orion_spi_set_cs()
367 static inline int orion_spi_wait_till_ready(struct orion_spi *orion_spi)  in orion_spi_wait_till_ready()  argument
372 		if (readl(spi_reg(orion_spi, ORION_SPI_INT_CAUSE_REG)))  in orion_spi_wait_till_ready()
386 	struct orion_spi *orion_spi;  in orion_spi_write_read_8bit()  local
391 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_write_read_8bit()
396 	tx_reg = spi_reg(orion_spi, ORION_SPI_DATA_OUT_REG);  in orion_spi_write_read_8bit()
397 	rx_reg = spi_reg(orion_spi, ORION_SPI_DATA_IN_REG);  in orion_spi_write_read_8bit()
398 	int_reg = spi_reg(orion_spi, ORION_SPI_INT_CAUSE_REG);  in orion_spi_write_read_8bit()
408 	if (orion_spi_wait_till_ready(orion_spi) < 0) {  in orion_spi_write_read_8bit()
435 	struct orion_spi *orion_spi;  in orion_spi_write_read_16bit()  local
442 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_write_read_16bit()
443 	tx_reg = spi_reg(orion_spi, ORION_SPI_DATA_OUT_REG);  in orion_spi_write_read_16bit()
444 	rx_reg = spi_reg(orion_spi, ORION_SPI_DATA_IN_REG);  in orion_spi_write_read_16bit()
445 	int_reg = spi_reg(orion_spi, ORION_SPI_INT_CAUSE_REG);  in orion_spi_write_read_16bit()
455 	if (orion_spi_wait_till_ready(orion_spi) < 0) {  in orion_spi_write_read_16bit()
471 	struct orion_spi *orion_spi;  in orion_spi_write_read()  local
478 	orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_write_read()
485 	vaddr = orion_spi->child[cs].direct_access.vaddr;  in orion_spi_write_read()
551 	struct orion_spi *orion_spi = spi_controller_get_devdata(spi->controller);  in orion_spi_setup()  local
552 	struct device *dev = orion_spi->dev;  in orion_spi_setup()
566 static int orion_spi_reset(struct orion_spi *orion_spi)  in orion_spi_reset()  argument
569 	orion_spi_clrbits(orion_spi, ORION_SPI_IF_CTRL_REG, 0x1);  in orion_spi_reset()
572 	writel(0, spi_reg(orion_spi, SPI_DIRECT_WRITE_CONFIG_REG));  in orion_spi_reset()
648 	struct orion_spi *spi;  in orion_spi_probe()
803 	struct orion_spi *spi = spi_controller_get_devdata(host);  in orion_spi_remove()
818 	struct orion_spi *spi = spi_controller_get_devdata(host);  in orion_spi_runtime_suspend()
828 	struct orion_spi *spi = spi_controller_get_devdata(host);  in orion_spi_runtime_resume()