Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 157a801e authored by Mika Westerberg's avatar Mika Westerberg Committed by Wolfram Sang
Browse files

i2c: designware-pci: Add Haswell PCI IDs 



Intel Haswell has the same I2C host controller than Baytrail and it can
also be enumerated as a PCI device. Add the PCI IDs to the driver list.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 1fc2fe20

drivers/i2c/busses/i2c-designware-pcidrv.c

+22 −0
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ enum dw_pci_ctl_id_t { 
	medfield_5,



	baytrail,

	haswell,

};



struct dw_scl_sda_cfg {
@@ -95,6 +96,15 @@ static struct dw_scl_sda_cfg byt_config = { 
	.sda_hold = 0x6,

};



/* Haswell HCNT/LCNT/SDA hold time */

static struct dw_scl_sda_cfg hsw_config = {

	.ss_hcnt = 0x01b0,

	.fs_hcnt = 0x48,

	.ss_lcnt = 0x01fb,

	.fs_lcnt = 0xa0,

	.sda_hold = 0x9,

};



static struct  dw_pci_controller  dw_pci_controllers[] = {

	[moorestown_0] = {

		.bus_num     = 0,
@@ -168,6 +178,15 @@ static struct dw_pci_controller dw_pci_controllers[] = { 
		.functionality = I2C_FUNC_10BIT_ADDR,

		.scl_sda_cfg = &byt_config,

	},

	[haswell] = {

		.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,

		.functionality = I2C_FUNC_10BIT_ADDR,

		.scl_sda_cfg = &hsw_config,

	},

};

static struct i2c_algorithm i2c_dw_algo = {

	.master_xfer	= i2c_dw_xfer,
@@ -328,6 +347,9 @@ static const struct pci_device_id i2_designware_pci_ids[] = { 
	{ PCI_VDEVICE(INTEL, 0x0F45), baytrail },

	{ PCI_VDEVICE(INTEL, 0x0F46), baytrail },

	{ PCI_VDEVICE(INTEL, 0x0F47), baytrail },

	/* Haswell */

	{ PCI_VDEVICE(INTEL, 0x9c61), haswell },

	{ PCI_VDEVICE(INTEL, 0x9c62), haswell },

	{ 0,}

};

MODULE_DEVICE_TABLE(pci, i2_designware_pci_ids);