diff options
| author | Jan Luebbe <jluebbe@debian.org> | 2015-07-30 16:52:11 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-08-20 07:47:15 +0200 |
| commit | ffcabbe125d31dcb4f25dbb8f29be7adcfcf408e (patch) | |
| tree | d6f241a387f399e576730b1fe418607bc4b97f1a /drivers/i2c | |
| parent | 4f32ba9fcbbdcbfdb6dec75fe70ba8998a82e3ca (diff) | |
| download | barebox-ffcabbe125d31dcb4f25dbb8f29be7adcfcf408e.tar.gz barebox-ffcabbe125d31dcb4f25dbb8f29be7adcfcf408e.tar.xz | |
i2c: gpio: add bus recovery support
Signed-off-by: Jan Luebbe <jluebbe@debian.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-gpio.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index b4a0ecdb20..9362ed181f 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -10,6 +10,7 @@ #include <common.h> #include <driver.h> +#include <malloc.h> #include <i2c/i2c.h> #include <i2c/i2c-algo-bit.h> #include <i2c/i2c-gpio.h> @@ -187,6 +188,13 @@ static int i2c_gpio_probe(struct device_d *dev) adap->algo_data = bit_data; adap->dev.parent = dev; adap->dev.device_node = dev->device_node; + adap->bus_recovery_info = xzalloc(sizeof(*adap->bus_recovery_info)); + adap->bus_recovery_info->scl_gpio = pdata->scl_pin; + adap->bus_recovery_info->sda_gpio = pdata->sda_pin; + adap->bus_recovery_info->get_sda = i2c_get_sda_gpio_value; + adap->bus_recovery_info->get_scl = i2c_get_scl_gpio_value; + adap->bus_recovery_info->set_scl = i2c_set_scl_gpio_value; + adap->bus_recovery_info->recover_bus = i2c_generic_scl_recovery; adap->nr = dev->id; ret = i2c_bit_add_numbered_bus(adap); @@ -201,10 +209,12 @@ static int i2c_gpio_probe(struct device_d *dev) return 0; err_add_bus: + free(adap->bus_recovery_info); gpio_free(pdata->scl_pin); err_request_scl: gpio_free(pdata->sda_pin); err_request_sda: + free(priv); return ret; } |