diff options
Diffstat (limited to 'drivers/power/axp305.c')
-rw-r--r-- | drivers/power/axp305.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/drivers/power/axp305.c b/drivers/power/axp305.c deleted file mode 100644 index 049ef07f746..00000000000 --- a/drivers/power/axp305.c +++ /dev/null @@ -1,83 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * AXP305 driver - * - * (C) Copyright 2020 Jernej Skrabec <jernej.skrabec@siol.net> - * - * Based on axp221.c - * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com> - * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl> - */ - -#include <common.h> -#include <command.h> -#include <errno.h> -#include <asm/arch/pmic_bus.h> -#include <axp_pmic.h> - -#define AXP305_DCDC4_1600MV_OFFSET 46 - -static u8 axp305_mvolt_to_cfg(int mvolt, int min, int max, int div) -{ - if (mvolt < min) - mvolt = min; - else if (mvolt > max) - mvolt = max; - - return (mvolt - min) / div; -} - -int axp_set_dcdc4(unsigned int mvolt) -{ - int ret; - u8 cfg; - - if (mvolt >= 1600) - cfg = AXP305_DCDC4_1600MV_OFFSET + - axp305_mvolt_to_cfg(mvolt, 1600, 3300, 100); - else - cfg = axp305_mvolt_to_cfg(mvolt, 600, 1500, 20); - - if (mvolt == 0) - return pmic_bus_clrbits(AXP305_OUTPUT_CTRL1, - AXP305_OUTPUT_CTRL1_DCDCD_EN); - - ret = pmic_bus_write(AXP305_DCDCD_VOLTAGE, cfg); - if (ret) - return ret; - - return pmic_bus_setbits(AXP305_OUTPUT_CTRL1, - AXP305_OUTPUT_CTRL1_DCDCD_EN); -} - -int axp_init(void) -{ - u8 axp_chip_id; - int ret; - - ret = pmic_bus_init(); - if (ret) - return ret; - - ret = pmic_bus_read(AXP305_CHIP_VERSION, &axp_chip_id); - if (ret) - return ret; - - if ((axp_chip_id & AXP305_CHIP_VERSION_MASK) != 0x40) - return -ENODEV; - - return ret; -} - -#if !CONFIG_IS_ENABLED(ARM_PSCI_FW) && !IS_ENABLED(CONFIG_SYSRESET_CMD_POWEROFF) -int do_poweroff(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) -{ - pmic_bus_write(AXP305_SHUTDOWN, AXP305_POWEROFF); - - /* infinite loop during shutdown */ - while (1) {} - - /* not reached */ - return 0; -} -#endif |