spi/pxa2xx-pci: Add support for Intel Braswell

Instead of one port we have 3 ports and all of them can take advantage of
the shared DMA controller.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 0424b67..b285294 100644 (file)
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -16,6 +16,9 @@
 enum {
        PORT_CE4100,
        PORT_BYT,
+       PORT_BSW0,
+       PORT_BSW1,
+       PORT_BSW2,
 };
 
 struct pxa_spi_info {
@@ -32,6 +35,13 @@ struct pxa_spi_info {
 static struct dw_dma_slave byt_tx_param = { .dst_id = 0 };
 static struct dw_dma_slave byt_rx_param = { .src_id = 1 };
 
+static struct dw_dma_slave bsw0_tx_param = { .dst_id = 0 };
+static struct dw_dma_slave bsw0_rx_param = { .src_id = 1 };
+static struct dw_dma_slave bsw1_tx_param = { .dst_id = 6 };
+static struct dw_dma_slave bsw1_rx_param = { .src_id = 7 };
+static struct dw_dma_slave bsw2_tx_param = { .dst_id = 8 };
+static struct dw_dma_slave bsw2_rx_param = { .src_id = 9 };
+
 static bool lpss_dma_filter(struct dma_chan *chan, void *param)
 {
        struct dw_dma_slave *dws = param;
@@ -58,6 +68,30 @@ static struct pxa_spi_info spi_info_configs[] = {
                .tx_param = &byt_tx_param,
                .rx_param = &byt_rx_param,
        },
+       [PORT_BSW0] = {
+               .type = LPSS_SSP,
+               .port_id = 0,
+               .num_chipselect = 1,
+               .max_clk_rate = 50000000,
+               .tx_param = &bsw0_tx_param,
+               .rx_param = &bsw0_rx_param,
+       },
+       [PORT_BSW1] = {
+               .type = LPSS_SSP,
+               .port_id = 1,
+               .num_chipselect = 1,
+               .max_clk_rate = 50000000,
+               .tx_param = &bsw1_tx_param,
+               .rx_param = &bsw1_rx_param,
+       },
+       [PORT_BSW2] = {
+               .type = LPSS_SSP,
+               .port_id = 2,
+               .num_chipselect = 1,
+               .max_clk_rate = 50000000,
+               .tx_param = &bsw2_tx_param,
+               .rx_param = &bsw2_rx_param,
+       },
 };
 
 static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
@@ -159,6 +193,9 @@ static void pxa2xx_spi_pci_remove(struct pci_dev *dev)
 static const struct pci_device_id pxa2xx_spi_pci_devices[] = {
        { PCI_VDEVICE(INTEL, 0x2e6a), PORT_CE4100 },
        { PCI_VDEVICE(INTEL, 0x0f0e), PORT_BYT },
+       { PCI_VDEVICE(INTEL, 0x228e), PORT_BSW0 },
+       { PCI_VDEVICE(INTEL, 0x2290), PORT_BSW1 },
+       { PCI_VDEVICE(INTEL, 0x22ac), PORT_BSW2 },
        { },
 };
 MODULE_DEVICE_TABLE(pci, pxa2xx_spi_pci_devices);