提交 ceccd298 编写于 作者: C Chew, Chiau Ee 提交者: Wolfram Sang

i2c: designware-pci: add 10-bit addressing mode functionality for BYT I2C

All the I2C controllers on Intel BayTrail LPSS subsystem able
to support 10-bit addressing mode functionality.
Signed-off-by: NChew, Chiau Ee <chiau.ee.chew@intel.com>
Signed-off-by: NOng, Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
上级 0977f273
......@@ -64,12 +64,19 @@ struct dw_pci_controller {
u32 tx_fifo_depth;
u32 rx_fifo_depth;
u32 clk_khz;
u32 functionality;
};
#define INTEL_MID_STD_CFG (DW_IC_CON_MASTER | \
DW_IC_CON_SLAVE_DISABLE | \
DW_IC_CON_RESTART_EN)
#define DW_DEFAULT_FUNCTIONALITY (I2C_FUNC_I2C | \
I2C_FUNC_SMBUS_BYTE | \
I2C_FUNC_SMBUS_BYTE_DATA | \
I2C_FUNC_SMBUS_WORD_DATA | \
I2C_FUNC_SMBUS_I2C_BLOCK)
static struct dw_pci_controller dw_pci_controllers[] = {
[moorestown_0] = {
.bus_num = 0,
......@@ -140,6 +147,7 @@ static struct dw_pci_controller dw_pci_controllers[] = {
.tx_fifo_depth = 32,
.rx_fifo_depth = 32,
.clk_khz = 100000,
.functionality = I2C_FUNC_10BIT_ADDR,
},
};
static struct i2c_algorithm i2c_dw_algo = {
......@@ -212,12 +220,9 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
dev->get_clk_rate_khz = i2c_dw_get_clk_rate_khz;
dev->base = pcim_iomap_table(pdev)[0];
dev->dev = &pdev->dev;
dev->functionality =
I2C_FUNC_I2C |
I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA |
I2C_FUNC_SMBUS_I2C_BLOCK;
dev->functionality = controller->functionality |
DW_DEFAULT_FUNCTIONALITY;
dev->master_cfg = controller->bus_cfg;
pci_set_drvdata(pdev, dev);
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册