From 39d36536d4e89461c0733a48d5ffc9b730751983 Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Tue, 19 Aug 2014 20:29:21 +0300 Subject: [PATCH] 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 Acked-by: Mark Brown Signed-off-by: Vinod Koul --- drivers/spi/spi-pxa2xx-pci.c | 37 ++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) 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); -- 2.20.1