| Message ID | 46a3699a9449adb793a97f212d38224f33488c87.1433173031.git.cyrille.pitchen@atmel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index e926806..ecf601a 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -85,6 +85,8 @@ #define AT91_TWI_ACR_DATAL(len) ((len) & 0xff) #define AT91_TWI_ACR_DIR BIT(8) +#define AT91_TWI_VER 0x00fc /* Version Register */ + struct at91_twi_pdata { unsigned clk_max_div; unsigned clk_offset; @@ -870,6 +872,8 @@ static int at91_twi_probe(struct platform_device *pdev) return rc; } + dev_info(dev->dev, "version: 0x%x\n", at91_twi_read(dev, AT91_TWI_VER)); + rc = of_property_read_u32(dev->dev->of_node, "clock-frequency", &bus_clk_rate); if (rc)
The probe() function now prints the hardware version of the I2C controller Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> --- drivers/i2c/busses/i2c-at91.c | 4 ++++ 1 file changed, 4 insertions(+)