+// SPDX-License-Identifier: GPL-2.0+
/*
* AXP221 and AXP223 driver
*
*
* (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
* (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <command.h>
#include <errno.h>
-#include <asm/arch/gpio.h>
#include <asm/arch/pmic_bus.h>
-#include <axp221.h>
+#include <axp_pmic.h>
static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
{
return (mvolt - min) / div;
}
-int axp221_set_dcdc1(unsigned int mvolt)
+int axp_set_dcdc1(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 1600, 3400, 100);
AXP221_OUTPUT_CTRL1_DCDC1_EN);
}
-int axp221_set_dcdc2(unsigned int mvolt)
+int axp_set_dcdc2(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
AXP221_OUTPUT_CTRL1_DCDC2_EN);
}
-int axp221_set_dcdc3(unsigned int mvolt)
+int axp_set_dcdc3(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1860, 20);
AXP221_OUTPUT_CTRL1_DCDC3_EN);
}
-int axp221_set_dcdc4(unsigned int mvolt)
+int axp_set_dcdc4(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
AXP221_OUTPUT_CTRL1_DCDC4_EN);
}
-int axp221_set_dcdc5(unsigned int mvolt)
+int axp_set_dcdc5(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);
AXP221_OUTPUT_CTRL1_DCDC5_EN);
}
-int axp221_set_dldo1(unsigned int mvolt)
-{
- int ret;
- u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
-
- if (mvolt == 0)
- return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO1_EN);
-
- ret = pmic_bus_write(AXP221_DLDO1_CTRL, cfg);
- if (ret)
- return ret;
-
- return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO1_EN);
-}
-
-int axp221_set_dldo2(unsigned int mvolt)
-{
- int ret;
- u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
-
- if (mvolt == 0)
- return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO2_EN);
-
- ret = pmic_bus_write(AXP221_DLDO2_CTRL, cfg);
- if (ret)
- return ret;
-
- return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO2_EN);
-}
-
-int axp221_set_dldo3(unsigned int mvolt)
-{
- int ret;
- u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
-
- if (mvolt == 0)
- return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO3_EN);
-
- ret = pmic_bus_write(AXP221_DLDO3_CTRL, cfg);
- if (ret)
- return ret;
-
- return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO3_EN);
-}
-
-int axp221_set_dldo4(unsigned int mvolt)
-{
- int ret;
- u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
-
- if (mvolt == 0)
- return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO4_EN);
-
- ret = pmic_bus_write(AXP221_DLDO4_CTRL, cfg);
- if (ret)
- return ret;
-
- return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO4_EN);
-}
-
-int axp221_set_aldo1(unsigned int mvolt)
+int axp_set_aldo1(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
AXP221_OUTPUT_CTRL1_ALDO1_EN);
}
-int axp221_set_aldo2(unsigned int mvolt)
+int axp_set_aldo2(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
AXP221_OUTPUT_CTRL1_ALDO2_EN);
}
-int axp221_set_aldo3(unsigned int mvolt)
+int axp_set_aldo3(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
AXP221_OUTPUT_CTRL3_ALDO3_EN);
}
-int axp221_set_eldo(int eldo_num, unsigned int mvolt)
+int axp_set_dldo(int dldo_num, unsigned int mvolt)
+{
+ u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
+ int ret;
+
+ if (dldo_num < 1 || dldo_num > 4)
+ return -EINVAL;
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
+
+ ret = pmic_bus_write(AXP221_DLDO1_CTRL + (dldo_num - 1), cfg);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
+}
+
+int axp_set_eldo(int eldo_num, unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
- u8 addr, bits;
-
- switch (eldo_num) {
- case 3:
- addr = AXP221_ELDO3_CTRL;
- bits = AXP221_OUTPUT_CTRL2_ELDO3_EN;
- break;
- case 2:
- addr = AXP221_ELDO2_CTRL;
- bits = AXP221_OUTPUT_CTRL2_ELDO2_EN;
- break;
- case 1:
- addr = AXP221_ELDO1_CTRL;
- bits = AXP221_OUTPUT_CTRL2_ELDO1_EN;
- break;
- default:
+
+ if (eldo_num < 1 || eldo_num > 3)
return -EINVAL;
- }
if (mvolt == 0)
- return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, bits);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
- ret = pmic_bus_write(addr, cfg);
+ ret = pmic_bus_write(AXP221_ELDO1_CTRL + (eldo_num - 1), cfg);
if (ret)
return ret;
- return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, bits);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
}
-int axp221_init(void)
+int axp_init(void)
{
- /* This cannot be 0 because it is used in SPL before BSS is ready */
- static int needs_init = 1;
u8 axp_chip_id;
int ret;
- if (!needs_init)
- return 0;
-
ret = pmic_bus_init();
if (ret)
return ret;
if (!(axp_chip_id == 0x6 || axp_chip_id == 0x7 || axp_chip_id == 0x17))
return -ENODEV;
- needs_init = 0;
+ /*
+ * Turn off LDOIO regulators / tri-state GPIO pins, when rebooting
+ * from android these are sometimes on.
+ */
+ ret = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
+ if (ret)
+ return ret;
+
+ ret = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);
+ if (ret)
+ return ret;
+
return 0;
}
-int axp221_get_sid(unsigned int *sid)
+int axp_get_sid(unsigned int *sid)
{
u8 *dest = (u8 *)sid;
int i, ret;
- ret = axp221_init();
+ ret = pmic_bus_init();
if (ret)
return ret;
return 0;
}
+
+int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ pmic_bus_write(AXP221_SHUTDOWN, AXP221_SHUTDOWN_POWEROFF);
+
+ /* infinite loop during shutdown */
+ while (1) {}
+
+ /* not reached */
+ return 0;
+}
projects / u-boot / blobdiff