+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2012
* Henrik Nordstrom <henrik@henriknordstrom.net>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <i2c.h>
-#include <axp152.h>
-
-enum axp152_reg {
- AXP152_CHIP_VERSION = 0x3,
- AXP152_DCDC2_VOLTAGE = 0x23,
- AXP152_DCDC3_VOLTAGE = 0x27,
- AXP152_DCDC4_VOLTAGE = 0x2B,
- AXP152_LDO2_VOLTAGE = 0x2A,
- AXP152_SHUTDOWN = 0x32,
-};
-
-#define AXP152_POWEROFF (1 << 7)
-
-static int axp152_write(enum axp152_reg reg, u8 val)
-{
- return i2c_write(0x30, reg, 1, &val, 1);
-}
-
-static int axp152_read(enum axp152_reg reg, u8 *val)
-{
- return i2c_read(0x30, reg, 1, val, 1);
-}
+#include <command.h>
+#include <asm/arch/pmic_bus.h>
+#include <axp_pmic.h>
static u8 axp152_mvolt_to_target(int mvolt, int min, int max, int div)
{
return (mvolt - min) / div;
}
-int axp152_set_dcdc2(int mvolt)
+int axp_set_dcdc2(unsigned int mvolt)
{
int rc;
u8 current, target;
target = axp152_mvolt_to_target(mvolt, 700, 2275, 25);
/* Do we really need to be this gentle? It has built-in voltage slope */
- while ((rc = axp152_read(AXP152_DCDC2_VOLTAGE, ¤t)) == 0 &&
+ while ((rc = pmic_bus_read(AXP152_DCDC2_VOLTAGE, ¤t)) == 0 &&
current != target) {
if (current < target)
current++;
else
current--;
- rc = axp152_write(AXP152_DCDC2_VOLTAGE, current);
+ rc = pmic_bus_write(AXP152_DCDC2_VOLTAGE, current);
if (rc)
break;
}
return rc;
}
-int axp152_set_dcdc3(int mvolt)
+int axp_set_dcdc3(unsigned int mvolt)
{
- u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 25);
+ u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 50);
- return axp152_write(AXP152_DCDC3_VOLTAGE, target);
+ return pmic_bus_write(AXP152_DCDC3_VOLTAGE, target);
}
-int axp152_set_dcdc4(int mvolt)
+int axp_set_dcdc4(unsigned int mvolt)
{
u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 25);
- return axp152_write(AXP152_DCDC4_VOLTAGE, target);
+ return pmic_bus_write(AXP152_DCDC4_VOLTAGE, target);
}
-int axp152_set_ldo2(int mvolt)
+int axp_set_aldo2(unsigned int mvolt)
{
u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 100);
- return axp152_write(AXP152_LDO2_VOLTAGE, target);
+ return pmic_bus_write(AXP152_LDO2_VOLTAGE, target);
}
-int axp152_init(void)
+int axp_init(void)
{
u8 ver;
int rc;
- rc = axp152_read(AXP152_CHIP_VERSION, &ver);
+ rc = pmic_bus_init();
+ if (rc)
+ return rc;
+
+ rc = pmic_bus_read(AXP152_CHIP_VERSION, &ver);
if (rc)
return rc;
if (ver != 0x05)
- return -1;
+ return -EINVAL;
+
+ return 0;
+}
+
+int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ pmic_bus_write(AXP152_SHUTDOWN, AXP152_POWEROFF);
+
+ /* infinite loop during shutdown */
+ while (1) {}
+ /* not reached */
return 0;
}