diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2016-07-04 11:44:25 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-07-04 16:13:42 +0200 |
| commit | 4f4709109ef7e1248b5515c68df4b9c5ad39fbdf (patch) | |
| tree | 8208282b621e5552194d0b46e723daf6d832601e /drivers/spi | |
| parent | spi: pxa2xx-pci: Do a specific setup in a separate function (diff) | |
| download | linux-4f4709109ef7e1248b5515c68df4b9c5ad39fbdf.tar.xz linux-4f4709109ef7e1248b5515c68df4b9c5ad39fbdf.zip | |
spi: pxa2xx-pci: Enable SPI on Intel Merrifield
The SPI controllers used on Intel Merrifield are PXA2XX compatible. This patch
enables them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-pxa2xx-pci.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index 8d58598c325d..b025eaf14f0f 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -15,6 +15,7 @@ enum { PORT_CE4100, PORT_BYT, + PORT_MRFLD, PORT_BSW0, PORT_BSW1, PORT_BSW2, @@ -89,6 +90,27 @@ static int lpss_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c) return 0; } +static int mrfld_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c) +{ + switch (PCI_FUNC(dev->devfn)) { + case 0: + c->port_id = 3; + c->num_chipselect = 1; + break; + case 1: + c->port_id = 5; + c->num_chipselect = 4; + break; + case 2: + c->port_id = 6; + c->num_chipselect = 1; + break; + default: + return -ENODEV; + } + return 0; +} + static struct pxa_spi_info spi_info_configs[] = { [PORT_CE4100] = { .type = PXA25x_SSP, @@ -124,6 +146,11 @@ static struct pxa_spi_info spi_info_configs[] = { .tx_param = &bsw2_tx_param, .rx_param = &bsw2_rx_param, }, + [PORT_MRFLD] = { + .type = PXA27x_SSP, + .max_clk_rate = 25000000, + .setup = mrfld_spi_setup, + }, [PORT_QUARK_X1000] = { .type = QUARK_X1000_SSP, .port_id = -1, @@ -222,6 +249,7 @@ static const struct pci_device_id pxa2xx_spi_pci_devices[] = { { PCI_VDEVICE(INTEL, 0x2e6a), PORT_CE4100 }, { PCI_VDEVICE(INTEL, 0x0935), PORT_QUARK_X1000 }, { PCI_VDEVICE(INTEL, 0x0f0e), PORT_BYT }, + { PCI_VDEVICE(INTEL, 0x1194), PORT_MRFLD }, { PCI_VDEVICE(INTEL, 0x228e), PORT_BSW0 }, { PCI_VDEVICE(INTEL, 0x2290), PORT_BSW1 }, { PCI_VDEVICE(INTEL, 0x22ac), PORT_BSW2 }, |