summaryrefslogtreecommitdiffstats
path: root/drivers/i2c/busses/i2c-pca-isa.c
diff options
context:
space:
mode:
authorMarco Aurelio da Costa <costa@gamic.com>2009-03-28 21:34:44 +0100
committerJean Delvare <khali@linux-fr.org>2009-03-28 21:34:44 +0100
commiteff9ec95efaaf6b12d230f0ea7d3c295d3bc9d57 (patch)
tree741c1ec65283018583bc2a8d5577e3ce8c201994 /drivers/i2c/busses/i2c-pca-isa.c
parentbac3e7c2aa2575a1c71f6fa643499676ca7c12c3 (diff)
downloadblackbird-op-linux-eff9ec95efaaf6b12d230f0ea7d3c295d3bc9d57.tar.gz
blackbird-op-linux-eff9ec95efaaf6b12d230f0ea7d3c295d3bc9d57.zip
i2c-algo-pca: Add PCA9665 support
Add support for the PCA9665 I2C controller. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-pca-isa.c')
-rw-r--r--drivers/i2c/busses/i2c-pca-isa.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c
index c420a7c0f3e4..0cc8017b3f64 100644
--- a/drivers/i2c/busses/i2c-pca-isa.c
+++ b/drivers/i2c/busses/i2c-pca-isa.c
@@ -41,7 +41,7 @@ static int irq = -1;
/* Data sheet recommends 59kHz for 100kHz operation due to variation
* in the actual clock rate */
-static int clock = I2C_PCA_CON_59kHz;
+static int clock = 59000;
static wait_queue_head_t pca_wait;
@@ -103,7 +103,7 @@ static struct i2c_algo_pca_data pca_isa_data = {
static struct i2c_adapter pca_isa_ops = {
.owner = THIS_MODULE,
.algo_data = &pca_isa_data,
- .name = "PCA9564 ISA Adapter",
+ .name = "PCA9564/PCA9665 ISA Adapter",
.timeout = 100,
};
@@ -196,7 +196,7 @@ static void __exit pca_isa_exit(void)
}
MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>");
-MODULE_DESCRIPTION("ISA base PCA9564 driver");
+MODULE_DESCRIPTION("ISA base PCA9564/PCA9665 driver");
MODULE_LICENSE("GPL");
module_param(base, ulong, 0);
@@ -205,7 +205,13 @@ MODULE_PARM_DESC(base, "I/O base address");
module_param(irq, int, 0);
MODULE_PARM_DESC(irq, "IRQ");
module_param(clock, int, 0);
-MODULE_PARM_DESC(clock, "Clock rate as described in table 1 of PCA9564 datasheet");
+MODULE_PARM_DESC(clock, "Clock rate in hertz.\n\t\t"
+ "For PCA9564: 330000,288000,217000,146000,"
+ "88000,59000,44000,36000\n"
+ "\t\tFor PCA9665:\tStandard: 60300 - 100099\n"
+ "\t\t\t\tFast: 100100 - 400099\n"
+ "\t\t\t\tFast+: 400100 - 10000099\n"
+ "\t\t\t\tTurbo: Up to 1265800");
module_init(pca_isa_init);
module_exit(pca_isa_exit);
OpenPOWER on IntegriCloud