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Commit 4f470910 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 743485ea

drivers/spi/spi-pxa2xx-pci.c

+28 −0
Original line number Diff line number Diff line
@@ -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 },