openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

i2c: designware-pci: Add Baytrail PCI IDs 

Intel Baytrail I2C controllers can be enumerated from PCI as well as from
ACPI. In order to support this add the Baytrail PCI IDs to the driver.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Mika Westerberg 2014-02-19 16:10:29 +02:00 committed by Wolfram Sang
parent be58eda775
commit 089c729ae4
1 changed files with 19 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/i2c/busses/i2c-designware-pcidrv.c
View File

@ -54,6 +54,8 @@ enum dw_pci_ctl_id_t {
medfield_3,
medfield_4,
medfield_5,
baytrail,
};
struct dw_pci_controller {
@ -132,6 +134,13 @@ static struct dw_pci_controller dw_pci_controllers[] = {
.rx_fifo_depth = 32,
.clk_khz = 25000,
},
[baytrail] = {
.bus_num = -1,
.bus_cfg = INTEL_MID_STD_CFG | DW_IC_CON_SPEED_FAST,
.tx_fifo_depth = 32,
.rx_fifo_depth = 32,
.clk_khz = 100000,
},
};
static struct i2c_algorithm i2c_dw_algo = {
.master_xfer = i2c_dw_xfer,
@ -226,8 +235,8 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
adap->algo = &i2c_dw_algo;
adap->dev.parent = &pdev->dev;
adap->nr = controller->bus_num;
snprintf(adap->name, sizeof(adap->name), "i2c-designware-pci-%d",
adap->nr);
snprintf(adap->name, sizeof(adap->name), "i2c-designware-pci");
r = devm_request_irq(&pdev->dev, pdev->irq, i2c_dw_isr, IRQF_SHARED,
adap->name, dev);
@ -278,6 +287,14 @@ static DEFINE_PCI_DEVICE_TABLE(i2_designware_pci_ids) = {
{ PCI_VDEVICE(INTEL, 0x082C), medfield_0 },
{ PCI_VDEVICE(INTEL, 0x082D), medfield_1 },
{ PCI_VDEVICE(INTEL, 0x082E), medfield_2 },
/* Baytrail */
{ PCI_VDEVICE(INTEL, 0x0F41), baytrail },
{ PCI_VDEVICE(INTEL, 0x0F42), baytrail },
{ PCI_VDEVICE(INTEL, 0x0F43), baytrail },
{ PCI_VDEVICE(INTEL, 0x0F44), baytrail },
{ PCI_VDEVICE(INTEL, 0x0F45), baytrail },
{ PCI_VDEVICE(INTEL, 0x0F46), baytrail },
{ PCI_VDEVICE(INTEL, 0x0F47), baytrail },
{ 0,}
};
MODULE_DEVICE_TABLE(pci, i2_designware_pci_ids);