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path: root/drivers/i2c/busses/i2c-designware-platdrv.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c48
1 files changed, 2 insertions, 46 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 981a2d399c9f..7e2f26d0593e 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -21,7 +21,6 @@
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
-#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
@@ -97,43 +96,11 @@ static int bt1_i2c_request_regs(struct dw_i2c_dev *dev)
dev->map = devm_regmap_init(dev->dev, NULL, dev, &bt1_i2c_cfg);
return PTR_ERR_OR_ZERO(dev->map);
}
-
-#define MSCC_ICPU_CFG_TWI_DELAY 0x0
-#define MSCC_ICPU_CFG_TWI_DELAY_ENABLE BIT(0)
-#define MSCC_ICPU_CFG_TWI_SPIKE_FILTER 0x4
-
-static int mscc_twi_set_sda_hold_time(struct dw_i2c_dev *dev)
-{
- writel((dev->sda_hold_time << 1) | MSCC_ICPU_CFG_TWI_DELAY_ENABLE,
- dev->ext + MSCC_ICPU_CFG_TWI_DELAY);
-
- return 0;
-}
-
-static void i2c_dw_of_configure(struct device *device)
-{
- struct platform_device *pdev = to_platform_device(device);
- struct dw_i2c_dev *dev = dev_get_drvdata(device);
-
- switch (dev->flags & MODEL_MASK) {
- case MODEL_MSCC_OCELOT:
- dev->ext = devm_platform_ioremap_resource(pdev, 1);
- if (!IS_ERR(dev->ext))
- dev->set_sda_hold_time = mscc_twi_set_sda_hold_time;
- break;
- default:
- break;
- }
-}
#else
static int bt1_i2c_request_regs(struct dw_i2c_dev *dev)
{
return -ENODEV;
}
-
-static inline void i2c_dw_of_configure(struct device *device)
-{
-}
#endif
static int txgbe_i2c_request_regs(struct dw_i2c_dev *dev)
@@ -242,7 +209,6 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
{
struct i2c_adapter *adap;
struct dw_i2c_dev *dev;
- struct i2c_timings *t;
int irq, ret;
irq = platform_get_irq(pdev, 0);
@@ -271,18 +237,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
reset_control_deassert(dev->rst);
- t = &dev->timings;
- i2c_parse_fw_timings(&pdev->dev, t, false);
-
- i2c_dw_adjust_bus_speed(dev);
-
- if (pdev->dev.of_node)
- i2c_dw_of_configure(&pdev->dev);
-
- if (has_acpi_companion(&pdev->dev))
- i2c_dw_acpi_configure(&pdev->dev);
-
- ret = i2c_dw_validate_speed(dev);
+ ret = i2c_dw_fw_parse_and_configure(dev);
if (ret)
goto exit_reset;
@@ -310,6 +265,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
goto exit_reset;
if (dev->clk) {
+ struct i2c_timings *t = &dev->timings;
u64 clk_khz;
dev->get_clk_rate_khz = i2c_dw_get_clk_rate_khz;