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6 Commits (2cdc778b62e46439dff84560a2def3032099f129)

Author	SHA1	Message	Date
Vladimir Zapolskiy	ea16c6a13b	i2c: lpc32xx: correct sanity check for requested bus speed ... LPC32xx has 3 I2C bus controllers, 2 of them are used as generic ones and their parent clock is HCLK and CLK_HI/CLK_LO registers are 10 bit wide. This means that if HCLK is 104MHz, then minimal configurable I2C clock speed is about 51KHz. Only USB OTG I2C bus controller CLK registers are 8 bit wide, thus in assumption that peripheral clock is 13MHz it allows to set the minimal bus speed about 25.5KHz. Check for negative half clock value is removed since it is always false. The change fixes the following problem for I2C busses 0 and 1: => i2c dev 0 Setting bus to 0 => i2c speed 100000 Setting bus speed to 100000 Hz Failure changing bus speed (-22) Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Tested-by: Sylvain Lemieux <slemieux@tycoint.com>	10 years ago
Sylvain Lemieux	1933af15e2	i2c: lpc32xx: add support for OTG I2C ... Updated the LPC32xx I2C driver to support the OTG I2C that is part of the USB module. Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com> Acked-by: Marek Vasut <marex@denx.de>	10 years ago
Sylvain Lemieux	58243001a9	i2c: lpc32xx: fix write timeout ... Fix a condition that generate watchdog timeout inside "lpc32xx_i2c_write" when parameters alen = 0 and len = 0. Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>	10 years ago
Sylvain Lemieux	3d2b6a2e5f	i2c: lpc32xx: fix read timeout ... Fix a condition that generate watchdog timeout inside "lpc32xx_i2c_read" when parameters alen != 0 and len = 0. Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>	10 years ago
Sylvain Lemieux	b395a996a6	i2c: lpc32xx: use api to get hclk instead of fix value ... The HCLK is not constant and can take different value; use the api function to get the value of the HCLK for the I2C clock high and low computation. Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>	10 years ago
Albert ARIBAUD \(3ADEV\)	5e862b9539	lpc32xx: i2c: add LPC32xx I2C interface support ... Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>	10 years ago