Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools'
[linux-drm-fsl-dcu.git] / drivers / spi / spi-qup.c
index e7fb5a0d2e8dc35900099cbc471f66b58b3fa088..ff9cdbdb6672371df54b6c59ce54579a46758602 100644 (file)
@@ -337,7 +337,7 @@ static irqreturn_t spi_qup_qup_irq(int irq, void *dev_id)
 static int spi_qup_io_config(struct spi_device *spi, struct spi_transfer *xfer)
 {
        struct spi_qup *controller = spi_master_get_devdata(spi->master);
-       u32 config, iomode, mode;
+       u32 config, iomode, mode, control;
        int ret, n_words, w_size;
 
        if (spi->mode & SPI_LOOP && xfer->len > controller->in_fifo_sz) {
@@ -392,6 +392,15 @@ static int spi_qup_io_config(struct spi_device *spi, struct spi_transfer *xfer)
 
        writel_relaxed(iomode, controller->base + QUP_IO_M_MODES);
 
+       control = readl_relaxed(controller->base + SPI_IO_CONTROL);
+
+       if (spi->mode & SPI_CPOL)
+               control |= SPI_IO_C_CLK_IDLE_HIGH;
+       else
+               control &= ~SPI_IO_C_CLK_IDLE_HIGH;
+
+       writel_relaxed(control, controller->base + SPI_IO_CONTROL);
+
        config = readl_relaxed(controller->base + SPI_CONFIG);
 
        if (spi->mode & SPI_LOOP)