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| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2006-09-18 23:23:07 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-25 10:25:47 +0100 |
| commit | 72edd84a6b2db1a21d1ed07929cae560e276a0a6 (patch) | |
| tree | b67000e2bbf7447968c784cc3696a680ad66c47e /drivers/i2c/busses/i2c-iop3xx.c | |
| parent | 610300e8f4f833904096ca1233ffd9dbd73fb11f (diff) | |
| download | blackbird-op-linux-72edd84a6b2db1a21d1ed07929cae560e276a0a6.tar.gz blackbird-op-linux-72edd84a6b2db1a21d1ed07929cae560e276a0a6.zip | |
[ARM] 3827/1: iop3xx: add common gpio module
Implement the gpio_line_{config,get,set} API for iop3xx.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/i2c/busses/i2c-iop3xx.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-iop3xx.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c index 035417f5a003..a2d0cc3a7785 100644 --- a/drivers/i2c/busses/i2c-iop3xx.c +++ b/drivers/i2c/busses/i2c-iop3xx.c @@ -82,14 +82,16 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap) /* * Every time unit enable is asserted, GPOD needs to be cleared - * on IOP32X to avoid data corruption on the bus. + * on IOP3XX to avoid data corruption on the bus. */ -#ifdef CONFIG_ARCH_IOP32X -#define IOP321_GPOD_I2C0 0x00c0 /* clear these bits to enable ch0 */ -#define IOP321_GPOD_I2C1 0x0030 /* clear these bits to enable ch1 */ - - *IOP321_GPOD &= (iop3xx_adap->id == 0) ? ~IOP321_GPOD_I2C0 : - ~IOP321_GPOD_I2C1; +#ifdef CONFIG_PLAT_IOP + if (iop3xx_adap->id == 0) { + gpio_line_set(IOP3XX_GPIO_LINE(7), GPIO_LOW); + gpio_line_set(IOP3XX_GPIO_LINE(6), GPIO_LOW); + } else { + gpio_line_set(IOP3XX_GPIO_LINE(5), GPIO_LOW); + gpio_line_set(IOP3XX_GPIO_LINE(4), GPIO_LOW); + } #endif /* NB SR bits not same position as CR IE bits :-( */ iop3xx_adap->SR_enabled = |
