diff options
author | Li Jun <jun.li@nxp.com> | 2018-04-16 09:54:34 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-22 17:06:26 +0300 |
commit | b33d3180f427d2b76a754e4cfe8bfdc234fcad10 (patch) | |
tree | 777d11abff92bd8109ad49e4b75e063423a6857c /drivers/usb/typec/fusb302/fusb302.c | |
parent | 53fe0de9a35d7149e17dcdd03c55def617a937a7 (diff) | |
download | linux-b33d3180f427d2b76a754e4cfe8bfdc234fcad10.tar.xz |
usb: typec: fusb302: remove max_snk_* for sink config
Since max_snk_* is to be deprecated, so remove max_snk_* by adding a
variable PDO for sink config.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/typec/fusb302/fusb302.c')
-rw-r--r-- | drivers/usb/typec/fusb302/fusb302.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/usb/typec/fusb302/fusb302.c b/drivers/usb/typec/fusb302/fusb302.c index 703617129067..664463de7098 100644 --- a/drivers/usb/typec/fusb302/fusb302.c +++ b/drivers/usb/typec/fusb302/fusb302.c @@ -120,6 +120,7 @@ struct fusb302_chip { enum typec_cc_polarity cc_polarity; enum typec_cc_status cc1; enum typec_cc_status cc2; + u32 snk_pdo[PDO_MAX_OBJECTS]; #ifdef CONFIG_DEBUG_FS struct dentry *dentry; @@ -1212,11 +1213,6 @@ static const u32 snk_pdo[] = { static const struct tcpc_config fusb302_tcpc_config = { .src_pdo = src_pdo, .nr_src_pdo = ARRAY_SIZE(src_pdo), - .snk_pdo = snk_pdo, - .nr_snk_pdo = ARRAY_SIZE(snk_pdo), - .max_snk_mv = 5000, - .max_snk_ma = 3000, - .max_snk_mw = 15000, .operating_snk_mw = 2500, .type = TYPEC_PORT_DRP, .data = TYPEC_PORT_DRD, @@ -1756,6 +1752,29 @@ static int init_gpio(struct fusb302_chip *chip) return 0; } +static int fusb302_composite_snk_pdo_array(struct fusb302_chip *chip) +{ + struct device *dev = chip->dev; + u32 max_uv, max_ua; + + chip->snk_pdo[0] = PDO_FIXED(5000, 400, PDO_FIXED_FLAGS); + + /* + * As max_snk_ma/mv/mw is not needed for tcpc_config, + * those settings should be passed in via sink PDO, so + * "fcs, max-sink-*" properties will be deprecated, to + * perserve compatibility with existing users of them, + * we read those properties to convert them to be a var + * PDO. + */ + if (device_property_read_u32(dev, "fcs,max-sink-microvolt", &max_uv) || + device_property_read_u32(dev, "fcs,max-sink-microamp", &max_ua)) + return 1; + + chip->snk_pdo[1] = PDO_VAR(5000, max_uv / 1000, max_ua / 1000); + return 2; +} + static int fusb302_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -1784,18 +1803,13 @@ static int fusb302_probe(struct i2c_client *client, chip->tcpc_dev.config = &chip->tcpc_config; mutex_init(&chip->lock); - if (!device_property_read_u32(dev, "fcs,max-sink-microvolt", &v)) - chip->tcpc_config.max_snk_mv = v / 1000; - - if (!device_property_read_u32(dev, "fcs,max-sink-microamp", &v)) - chip->tcpc_config.max_snk_ma = v / 1000; - - if (!device_property_read_u32(dev, "fcs,max-sink-microwatt", &v)) - chip->tcpc_config.max_snk_mw = v / 1000; - if (!device_property_read_u32(dev, "fcs,operating-sink-microwatt", &v)) chip->tcpc_config.operating_snk_mw = v / 1000; + /* Composite sink PDO */ + chip->tcpc_config.nr_snk_pdo = fusb302_composite_snk_pdo_array(chip); + chip->tcpc_config.snk_pdo = chip->snk_pdo; + /* * Devicetree platforms should get extcon via phandle (not yet * supported). On ACPI platforms, we get the name from a device prop. |