[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>

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 =