If the touchscreen pins are used as general purpose analogue input, the touchscreen driver should not be used. The pins will be handled by the existing hwmon driver instead. Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx> --- drivers/mfd/da9052-core.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c index 977418ca9117..a671c18381d7 100644 --- a/drivers/mfd/da9052-core.c +++ b/drivers/mfd/da9052-core.c @@ -18,6 +18,7 @@ #include <linux/mfd/core.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/property.h> #include <linux/mfd/da9052/da9052.h> #include <linux/mfd/da9052/pdata.h> @@ -521,9 +522,6 @@ static const struct mfd_cell da9052_subdev_info[] = { .name = "da9052-wled3", }, { - .name = "da9052-tsi", - }, - { .name = "da9052-bat", }, { @@ -531,6 +529,12 @@ static const struct mfd_cell da9052_subdev_info[] = { }, }; +static const struct mfd_cell da9052_tsi_subdev_info[] = { + { + .name = "da9052-tsi", + }, +}; + const struct regmap_config da9052_regmap_config = { .reg_bits = 8, .val_bits = 8, @@ -621,9 +625,27 @@ int da9052_device_init(struct da9052 *da9052, u8 chip_id) goto err; } + /* + * Check if touchscreen pins are used are analogue input instead + * of having a touchscreen connected to them. The analogue input + * functionality will be provided by hwmon driver (if enabled). + */ + if (!device_property_read_bool(da9052->dev, "dlg,tsi-as-adc")) { + ret = mfd_add_devices(da9052->dev, PLATFORM_DEVID_AUTO, + da9052_tsi_subdev_info, + ARRAY_SIZE(da9052_tsi_subdev_info), + NULL, 0, NULL); + if (ret) { + dev_err(da9052->dev, "failed to add TSI subdev: %d\n", + ret); + goto err; + } + } + return 0; err: + mfd_remove_devices(da9052->dev); da9052_irq_exit(da9052); return ret; -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html