diff options
| author | Nick Crews <ncrews@chromium.org> | 2019-10-24 16:28:05 -0600 |
|---|---|---|
| committer | Enric Balletbo i Serra <enric.balletbo@collabora.com> | 2019-11-19 18:12:19 +0100 |
| commit | 3c4d77b68928df6c2bf07f4c3ba8e5d5e490bf4e (patch) | |
| tree | 55195441967aedef6db799002fa885090de0424b | |
| parent | fdf0fe2df3e32103dc87d4cd4d3be3653c0fd30d (diff) | |
platform/chrome: wilco_ec: Add charging config driver
Add a device to control the charging algorithm used on Wilco devices,
which will be picked up by the drivers/power/supply/wilco-charger.c
driver. See Documentation/ABI/testing/sysfs-class-power-wilco for the
userspace interface and other info.
Signed-off-by: Nick Crews <ncrews@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
| -rw-r--r-- | drivers/platform/chrome/wilco_ec/core.c | 15 | ||||
| -rw-r--r-- | include/linux/platform_data/wilco-ec.h | 2 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/platform/chrome/wilco_ec/core.c b/drivers/platform/chrome/wilco_ec/core.c index 3724bf4b77c6..9a438ebae3ed 100644 --- a/drivers/platform/chrome/wilco_ec/core.c +++ b/drivers/platform/chrome/wilco_ec/core.c @@ -93,6 +93,16 @@ static int wilco_ec_probe(struct platform_device *pdev) goto unregister_rtc; } + /* Register child device to be found by charger config driver. */ + ec->charger_pdev = platform_device_register_data(dev, "wilco-charger", + PLATFORM_DEVID_AUTO, + NULL, 0); + if (IS_ERR(ec->charger_pdev)) { + dev_err(dev, "Failed to create charger platform device\n"); + ret = PTR_ERR(ec->charger_pdev); + goto remove_sysfs; + } + /* Register child device that will be found by the telemetry driver. */ ec->telem_pdev = platform_device_register_data(dev, "wilco_telem", PLATFORM_DEVID_AUTO, @@ -100,11 +110,13 @@ static int wilco_ec_probe(struct platform_device *pdev) if (IS_ERR(ec->telem_pdev)) { dev_err(dev, "Failed to create telemetry platform device\n"); ret = PTR_ERR(ec->telem_pdev); - goto remove_sysfs; + goto unregister_charge_config; } return 0; +unregister_charge_config: + platform_device_unregister(ec->charger_pdev); remove_sysfs: wilco_ec_remove_sysfs(ec); unregister_rtc: @@ -120,6 +132,7 @@ static int wilco_ec_remove(struct platform_device *pdev) { struct wilco_ec_device *ec = platform_get_drvdata(pdev); + platform_device_unregister(ec->charger_pdev); wilco_ec_remove_sysfs(ec); platform_device_unregister(ec->telem_pdev); platform_device_unregister(ec->rtc_pdev); diff --git a/include/linux/platform_data/wilco-ec.h b/include/linux/platform_data/wilco-ec.h index ad03b586a095..0d104e780632 100644 --- a/include/linux/platform_data/wilco-ec.h +++ b/include/linux/platform_data/wilco-ec.h @@ -29,6 +29,7 @@ * @data_size: Size of the data buffer used for EC communication. * @debugfs_pdev: The child platform_device used by the debugfs sub-driver. * @rtc_pdev: The child platform_device used by the RTC sub-driver. + * @charger_pdev: Child platform_device used by the charger config sub-driver. * @telem_pdev: The child platform_device used by the telemetry sub-driver. */ struct wilco_ec_device { @@ -41,6 +42,7 @@ struct wilco_ec_device { size_t data_size; struct platform_device *debugfs_pdev; struct platform_device *rtc_pdev; + struct platform_device *charger_pdev; struct platform_device *telem_pdev; }; |