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Diffstat (limited to 'include/linux/bluetooth-power.h')
| -rw-r--r-- | include/linux/bluetooth-power.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/include/linux/bluetooth-power.h b/include/linux/bluetooth-power.h new file mode 100644 index 000000000000..a822ba8c07d1 --- /dev/null +++ b/include/linux/bluetooth-power.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_BLUETOOTH_POWER_H +#define __LINUX_BLUETOOTH_POWER_H + +/* + * voltage regulator information required for configuring the + * bluetooth chipset + */ +struct bt_power_vreg_data { + /* voltage regulator handle */ + struct regulator *reg; + /* regulator name */ + const char *name; + /* voltage levels to be set */ + unsigned int low_vol_level; + unsigned int high_vol_level; + /* current level to be set */ + unsigned int load_uA; + /* + * is set voltage supported for this regulator? + * false => set voltage is not supported + * true => set voltage is supported + * + * Some regulators (like gpio-regulators, LVS (low voltage swtiches) + * PMIC regulators) dont have the capability to call + * regulator_set_voltage or regulator_set_optimum_mode + * Use this variable to indicate if its a such regulator or not + */ + bool set_voltage_sup; + /* is this regulator enabled? */ + bool is_enabled; +}; + +struct bt_power_clk_data { + /* clock regulator handle */ + struct clk *clk; + /* clock name */ + const char *name; + /* is this clock enabled? */ + bool is_enabled; +}; + +/* + * Platform data for the bluetooth power driver. + */ +struct bluetooth_power_platform_data { + /* Bluetooth reset gpio */ + int bt_gpio_sys_rst; + struct device *slim_dev; + /* VDDIO voltage regulator */ + struct bt_power_vreg_data *bt_vdd_io; + /* VDD_PA voltage regulator */ + struct bt_power_vreg_data *bt_vdd_pa; + /* VDD_LDOIN voltage regulator */ + struct bt_power_vreg_data *bt_vdd_ldo; + /* VDD_XTAL voltage regulator */ + struct bt_power_vreg_data *bt_vdd_xtal; + /* VDD_CORE voltage regulator */ + struct bt_power_vreg_data *bt_vdd_core; + /* Optional: chip power down gpio-regulator + * chip power down data is required when bluetooth module + * and other modules like wifi co-exist in a single chip and + * shares a common gpio to bring chip out of reset. + */ + struct bt_power_vreg_data *bt_chip_pwd; + /* bluetooth reference clock */ + struct bt_power_clk_data *bt_chip_clk; + /* Optional: Bluetooth power setup function */ + int (*bt_power_setup)(int); +}; + +int bt_register_slimdev(struct device *dev); + +#define BT_CMD_SLIM_TEST 0xbfac +#define BT_CMD_PWR_CTRL 0xbfad +#endif /* __LINUX_BLUETOOTH_POWER_H */ |