Added drivers\regulator\pmic.c file to the regulator framework which will have the board specific information for different regulators and will do the regulator initialization depending on one which is available. Signed-off-by: Anuj Aggarwal <anuj.aggarwal@xxxxxx> --- drivers/regulator/Makefile | 2 +- drivers/regulator/pmic.c | 103 ++++++++++++++++++++++++++++++++++++++++ include/linux/regulator/pmic.h | 29 +++++++++++ 3 files changed, 133 insertions(+), 1 deletions(-) create mode 100644 drivers/regulator/pmic.c create mode 100644 include/linux/regulator/pmic.h diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index bac133a..c0d87bf 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -3,7 +3,7 @@ # -obj-$(CONFIG_REGULATOR) += core.o +obj-$(CONFIG_REGULATOR) += core.o pmic.o obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o diff --git a/drivers/regulator/pmic.c b/drivers/regulator/pmic.c new file mode 100644 index 0000000..36ed341 --- /dev/null +++ b/drivers/regulator/pmic.c @@ -0,0 +1,103 @@ +/* + * pmic.c + * + * Supports run-time detection of different Power Management ICs. + * + * Copyright (C) 2009 Texas Instrument Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free + * Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, + * whether express or implied; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <mach/common.h> + +/* + * Definitions specific to TWL4030 + */ + +/* + * Definitions specific to TPS62350 + */ + +/* + * Definitions specific to TPS65023 + */ + +static int flag_pmic_twl4030; +static int flag_pmic_tps6235x; +static int flag_pmic_tps65023; + +/* + * Detect the current PMIC, set one of the flags + */ +static inline int detect_pmic(void) +{ + /* How? Any suggestions?? This is a temporary solution. */ +#if defined(CONFIG_TWL4030_CORE) + flag_pmic_twl4030 = 1; +#endif + +#if defined(CONFIG_OMAP3EVM_TPS6235X) + flag_pmic_tps6235x = 1; +#endif + +#if defined(CONFIG_OMAP3EVM_TPS65023) + flag_pmic_tps65023 = 1; +#endif + + return 0; +} + +/* Functions to detect which PMIC is present */ + +int pmic_is_twl4030(void) +{ + return flag_pmic_twl4030; +} + +int pmic_is_tps6235x(void) +{ + return flag_pmic_tps6235x; +} + +int pmic_is_tps65020(void) { return 0; } + +int pmic_is_tps65021(void) { return 0; } + +int pmic_is_tps65022(void) { return 0; } + +int pmic_is_tps65023(void) +{ + return flag_pmic_tps65023; +} + +int pmic_is_tps65950(void) +{ + return flag_pmic_twl4030; +} + +/* Detects the PMIC and initializes it accordingly */ +int pmic_init(void) +{ +#if defined(CONFIG_TWL4030_CORE) + /* do stuff specific to TWL4030 */ +#endif + +#if defined(CONFIG_OMAP3EVM_TPS6235X) + /* do stuff specific to TPS62350 */ +#endif + +#if defined(CONFIG_OMAP3EVM_TPS65023) + /* do stuff specific to TPS65023 */ +#endif + + return 0; +} + diff --git a/include/linux/regulator/pmic.h b/include/linux/regulator/pmic.h new file mode 100644 index 0000000..5956740 --- /dev/null +++ b/include/linux/regulator/pmic.h @@ -0,0 +1,29 @@ +/* + * pmic.h + * + * Supports run-time detection of different Power Management ICs. + * + * Copyright (C) 2009 Texas Instrument Incorporated http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free + * Software Foundation version 2. + * + * This program is distributed as is WITHOUT ANY WARRANTY of any kind, whether + * express or implied; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +/* Functions to detect which PMIC is present */ +int pmic_is_twl4030(void); +int pmic_is_tps6235x(void); +int pmic_is_tps65020(void); +int pmic_is_tps65021(void); +int pmic_is_tps65022(void); +int pmic_is_tps65023(void); +int pmic_is_tps65950(void); + +/* Detects the PMIC and initializes it accordingly */ +int pmic_init(void); + -- 1.6.2.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
