spi: spi-pxa2xx-pci: Add ID and driver type for WildcatPoint PCH

WildcatPoint PCH as seen on MacBook 12-inch (Early 2015) has a PCI enabled
SPI controller. Enable it by adding its ID to the corresponding driver.
The ACPI enumerated name for this SPI controller (found in spi-pxa2xx.c) is INT33C1.
Therefore, we associate the SPI controller with the corresponding type of LPSS_LPT_SSP.

Signed-off-by: Leif Liddy <leif.liddy@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index d19d7f28aecb..520ed1dd5780 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -19,6 +19,7 @@ enum {
         PORT_BSW1,
         PORT_BSW2,
         PORT_QUARK_X1000,
+        PORT_LPT,
 };
 
 struct pxa_spi_info {
@@ -42,6 +43,9 @@ 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 struct dw_dma_slave lpt_tx_param = { .dst_id = 0 };
+static struct dw_dma_slave lpt_rx_param = { .src_id = 1 };
+
 static bool lpss_dma_filter(struct dma_chan *chan, void *param)
 {
         struct dw_dma_slave *dws = param;
@@ -98,6 +102,14 @@ static struct pxa_spi_info spi_info_configs[] = {
                 .num_chipselect = 1,
                 .max_clk_rate = 50000000,
         },
+        [PORT_LPT] = {
+                .type = LPSS_LPT_SSP,
+                .port_id = 0,
+                .num_chipselect = 1,
+                .max_clk_rate = 50000000,
+                .tx_param = &lpt_tx_param,
+                .rx_param = &lpt_rx_param,
+        },
 };
 
 static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
@@ -202,6 +214,7 @@ static const struct pci_device_id pxa2xx_spi_pci_devices[] = {
         { PCI_VDEVICE(INTEL, 0x228e), PORT_BSW0 },
         { PCI_VDEVICE(INTEL, 0x2290), PORT_BSW1 },
         { PCI_VDEVICE(INTEL, 0x22ac), PORT_BSW2 },
+        { PCI_VDEVICE(INTEL, 0x9ce6), PORT_LPT },
         { },
 };
 MODULE_DEVICE_TABLE(pci, pxa2xx_spi_pci_devices);