diff options
Diffstat (limited to 'arch/arm/mach-sunxi/pmic_bus.c')
-rw-r--r-- | arch/arm/mach-sunxi/pmic_bus.c | 109 |
1 files changed, 56 insertions, 53 deletions
diff --git a/arch/arm/mach-sunxi/pmic_bus.c b/arch/arm/mach-sunxi/pmic_bus.c index 0394ce8..c090840 100644 --- a/arch/arm/mach-sunxi/pmic_bus.c +++ b/arch/arm/mach-sunxi/pmic_bus.c @@ -8,10 +8,13 @@ * axp223 uses the rsb bus, these functions abstract this. */ +#include <axp_pmic.h> #include <common.h> +#include <dm.h> #include <asm/arch/p2wi.h> #include <asm/arch/rsb.h> #include <i2c.h> +#include <power/pmic.h> #include <asm/arch/pmic_bus.h> #define AXP152_I2C_ADDR 0x30 @@ -21,80 +24,80 @@ #define AXP305_I2C_ADDR 0x36 #define AXP221_CHIP_ADDR 0x68 -#define AXP221_CTRL_ADDR 0x3e -#define AXP221_INIT_DATA 0x3e -/* AXP818 device and runtime addresses are same as AXP223 */ -#define AXP223_DEVICE_ADDR 0x3a3 -#define AXP223_RUNTIME_ADDR 0x2d +#if CONFIG_IS_ENABLED(PMIC_AXP) +static struct udevice *pmic; +#else +static int pmic_i2c_address(void) +{ + if (IS_ENABLED(CONFIG_AXP152_POWER)) + return AXP152_I2C_ADDR; + if (IS_ENABLED(CONFIG_AXP305_POWER)) + return AXP305_I2C_ADDR; + + /* Other AXP2xx and AXP8xx variants */ + return AXP209_I2C_ADDR; +} +#endif int pmic_bus_init(void) { /* This cannot be 0 because it is used in SPL before BSS is ready */ static int needs_init = 1; - __maybe_unused int ret; + int ret = 0; if (!needs_init) return 0; -#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER -# ifdef CONFIG_MACH_SUN6I - p2wi_init(); - ret = p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR, - AXP221_INIT_DATA); -# elif defined CONFIG_MACH_SUN8I_R40 - /* Nothing. R40 uses the AXP221s in I2C mode */ - ret = 0; -# else - ret = rsb_init(); - if (ret) - return ret; - - ret = rsb_set_device_address(AXP223_DEVICE_ADDR, AXP223_RUNTIME_ADDR); -# endif - if (ret) - return ret; +#if CONFIG_IS_ENABLED(PMIC_AXP) + ret = uclass_get_device_by_driver(UCLASS_PMIC, DM_DRIVER_GET(axp_pmic), + &pmic); +#else + if (IS_ENABLED(CONFIG_SYS_I2C_SUN6I_P2WI)) { + p2wi_init(); + ret = p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, + AXP_PMIC_MODE_REG, + AXP_PMIC_MODE_P2WI); + } else if (IS_ENABLED(CONFIG_SYS_I2C_SUN8I_RSB)) { + ret = rsb_init(); + if (ret) + return ret; + + ret = rsb_set_device_address(AXP_PMIC_PRI_DEVICE_ADDR, + AXP_PMIC_PRI_RUNTIME_ADDR); + } #endif - needs_init = 0; - return 0; + needs_init = ret; + + return ret; } int pmic_bus_read(u8 reg, u8 *data) { -#ifdef CONFIG_AXP152_POWER - return i2c_read(AXP152_I2C_ADDR, reg, 1, data, 1); -#elif defined CONFIG_AXP209_POWER - return i2c_read(AXP209_I2C_ADDR, reg, 1, data, 1); -#elif defined CONFIG_AXP305_POWER - return i2c_read(AXP305_I2C_ADDR, reg, 1, data, 1); -#elif defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER -# ifdef CONFIG_MACH_SUN6I - return p2wi_read(reg, data); -# elif defined CONFIG_MACH_SUN8I_R40 - return i2c_read(AXP209_I2C_ADDR, reg, 1, data, 1); -# else - return rsb_read(AXP223_RUNTIME_ADDR, reg, data); -# endif +#if CONFIG_IS_ENABLED(PMIC_AXP) + return pmic_read(pmic, reg, data, 1); +#else + if (IS_ENABLED(CONFIG_SYS_I2C_SUN6I_P2WI)) + return p2wi_read(reg, data); + if (IS_ENABLED(CONFIG_SYS_I2C_SUN8I_RSB)) + return rsb_read(AXP_PMIC_PRI_RUNTIME_ADDR, reg, data); + + return i2c_read(pmic_i2c_address(), reg, 1, data, 1); #endif } int pmic_bus_write(u8 reg, u8 data) { -#ifdef CONFIG_AXP152_POWER - return i2c_write(AXP152_I2C_ADDR, reg, 1, &data, 1); -#elif defined CONFIG_AXP209_POWER - return i2c_write(AXP209_I2C_ADDR, reg, 1, &data, 1); -#elif defined CONFIG_AXP305_POWER - return i2c_write(AXP305_I2C_ADDR, reg, 1, &data, 1); -#elif defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER -# ifdef CONFIG_MACH_SUN6I - return p2wi_write(reg, data); -# elif defined CONFIG_MACH_SUN8I_R40 - return i2c_write(AXP209_I2C_ADDR, reg, 1, &data, 1); -# else - return rsb_write(AXP223_RUNTIME_ADDR, reg, data); -# endif +#if CONFIG_IS_ENABLED(PMIC_AXP) + return pmic_write(pmic, reg, &data, 1); +#else + if (IS_ENABLED(CONFIG_SYS_I2C_SUN6I_P2WI)) + return p2wi_write(reg, data); + if (IS_ENABLED(CONFIG_SYS_I2C_SUN8I_RSB)) + return rsb_write(AXP_PMIC_PRI_RUNTIME_ADDR, reg, data); + + return i2c_write(pmic_i2c_address(), reg, 1, &data, 1); #endif } |