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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2014-08-19 20:29:21 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-09-18 11:54:07 +0530 |
| commit | 39d36536d4e89461c0733a48d5ffc9b730751983 (patch) | |
| tree | 15d912e4bd859125ba2cf9be3d886ef42753ad38 /drivers/spi/spi-pxa2xx-pci.c | |
| parent | b729bf34535ed413667b397a2f59cfa81266facf (diff) | |
| download | lwn-39d36536d4e89461c0733a48d5ffc9b730751983.tar.gz lwn-39d36536d4e89461c0733a48d5ffc9b730751983.zip | |
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>
Diffstat (limited to 'drivers/spi/spi-pxa2xx-pci.c')
| -rw-r--r-- | drivers/spi/spi-pxa2xx-pci.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index 0424b67c983e..b2852947d3a2 100644 --- 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); |