diff options
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 5fe54cda309f..b21c3c01df6d 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> @@ -137,7 +138,7 @@ static inline int is_double_byte_mode(struct fsl_dspi *dspi) { unsigned int val; - regmap_read(dspi->regmap, SPI_CTAR(dspi->cs), &val); + regmap_read(dspi->regmap, SPI_CTAR(0), &val); return ((val & SPI_FRAME_BITS_MASK) == SPI_FRAME_BITS(8)) ? 0 : 1; } @@ -230,7 +231,7 @@ static int dspi_transfer_write(struct fsl_dspi *dspi) */ if (tx_word && (dspi->len == 1)) { dspi->dataflags |= TRAN_STATE_WORD_ODD_NUM; - regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs), + regmap_update_bits(dspi->regmap, SPI_CTAR(0), SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(8)); tx_word = 0; } @@ -249,7 +250,7 @@ static int dspi_transfer_write(struct fsl_dspi *dspi) dspi_pushr = SPI_PUSHR_TXDATA(d16) | SPI_PUSHR_PCS(dspi->cs) | - SPI_PUSHR_CTAS(dspi->cs) | + SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT; dspi->len -= 2; @@ -264,7 +265,7 @@ static int dspi_transfer_write(struct fsl_dspi *dspi) dspi_pushr = SPI_PUSHR_TXDATA(d8) | SPI_PUSHR_PCS(dspi->cs) | - SPI_PUSHR_CTAS(dspi->cs) | + SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT; dspi->len--; @@ -364,10 +365,10 @@ static int dspi_transfer_one_message(struct spi_master *master, regmap_update_bits(dspi->regmap, SPI_MCR, SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF, SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF); - regmap_write(dspi->regmap, SPI_CTAR(dspi->cs), + regmap_write(dspi->regmap, SPI_CTAR(0), dspi->cur_chip->ctar_val); if (transfer->speed_hz) - regmap_write(dspi->regmap, SPI_CTAR(dspi->cs), + regmap_write(dspi->regmap, SPI_CTAR(0), dspi->cur_chip->ctar_val); regmap_write(dspi->regmap, SPI_RSER, SPI_RSER_EOQFE); @@ -468,7 +469,7 @@ static irqreturn_t dspi_interrupt(int irq, void *dev_id) if (!dspi->len) { if (dspi->dataflags & TRAN_STATE_WORD_ODD_NUM) - regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs), + regmap_update_bits(dspi->regmap, SPI_CTAR(0), SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(16)); dspi->waitflags = 1; @@ -494,6 +495,8 @@ static int dspi_suspend(struct device *dev) spi_master_suspend(master); clk_disable_unprepare(dspi->clk); + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -502,6 +505,8 @@ static int dspi_resume(struct device *dev) struct spi_master *master = dev_get_drvdata(dev); struct fsl_dspi *dspi = spi_master_get_devdata(master); + pinctrl_pm_select_default_state(dev); + clk_prepare_enable(dspi->clk); spi_master_resume(master); |