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i2c: designware: Add support to get I2C related timing parameters from firmware. 

Similar to I2C designware platform driver add i2c_parse_fw_timings() in
PCI driver, to get I2C related timing parameters from firmware.

Signed-off-by: Sudarshan Ravula <sudarshan.ravula@intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Sudarshan Ravula 2022-09-07 21:39:20 +05:30 committed by Wolfram Sang
parent 09d027dbe1
commit 14b9397240
1 changed files with 4 additions and 1 deletions
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5
drivers/i2c/busses/i2c-designware-pcidrv.c
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@ -243,6 +243,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
int r;
struct dw_pci_controller *controller;
struct dw_scl_sda_cfg *cfg;
struct i2c_timings *t;
if (id->driver_data >= ARRAY_SIZE(dw_pci_controllers))
return dev_err_probe(&pdev->dev, -EINVAL,
@ -272,12 +273,14 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
return r;
dev->get_clk_rate_khz = controller->get_clk_rate_khz;
dev->timings.bus_freq_hz = I2C_MAX_FAST_MODE_FREQ;
dev->base = pcim_iomap_table(pdev)[0];
dev->dev = &pdev->dev;
dev->irq = pci_irq_vector(pdev, 0);
dev->flags |= controller->flags;
t = &dev->timings;
i2c_parse_fw_timings(&pdev->dev, t, false);
pci_set_drvdata(pdev, dev);
if (controller->setup) {