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path: root/drivers/power/axp221.c
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Diffstat (limited to 'drivers/power/axp221.c')
-rw-r--r--drivers/power/axp221.c236
1 files changed, 53 insertions, 183 deletions
diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c
index dc3a7f19bd..7bbaec87e4 100644
--- a/drivers/power/axp221.c
+++ b/drivers/power/axp221.c
@@ -12,50 +12,10 @@
#include <common.h>
#include <errno.h>
-#include <asm/arch/p2wi.h>
-#include <asm/arch/rsb.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/pmic_bus.h>
#include <axp221.h>
-/*
- * The axp221 uses the p2wi bus, the axp223 is identical (for all registers
- * used sofar) but uses the rsb bus. These functions abstract this.
- */
-static int pmic_bus_init(void)
-{
-#ifdef CONFIG_MACH_SUN6I
- p2wi_init();
- return p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
- AXP221_INIT_DATA);
-#else
- int ret;
-
- ret = rsb_init();
- if (ret)
- return ret;
-
- return rsb_set_device_address(AXP223_DEVICE_ADDR, AXP223_RUNTIME_ADDR);
-#endif
-}
-
-static int pmic_bus_read(const u8 addr, u8 *data)
-{
-#ifdef CONFIG_MACH_SUN6I
- return p2wi_read(addr, data);
-#else
- return rsb_read(AXP223_RUNTIME_ADDR, addr, data);
-#endif
-}
-
-static int pmic_bus_write(const u8 addr, u8 data)
-{
-#ifdef CONFIG_MACH_SUN6I
- return p2wi_write(addr, data);
-#else
- return rsb_write(AXP223_RUNTIME_ADDR, addr, data);
-#endif
-}
-
static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
{
if (mvolt < min)
@@ -66,52 +26,26 @@ static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
return (mvolt - min) / div;
}
-static int axp221_setbits(u8 reg, u8 bits)
-{
- int ret;
- u8 val;
-
- ret = pmic_bus_read(reg, &val);
- if (ret)
- return ret;
-
- val |= bits;
- return pmic_bus_write(reg, val);
-}
-
-static int axp221_clrbits(u8 reg, u8 bits)
-{
- int ret;
- u8 val;
-
- ret = pmic_bus_read(reg, &val);
- if (ret)
- return ret;
-
- val &= ~bits;
- return pmic_bus_write(reg, val);
-}
-
int axp221_set_dcdc1(unsigned int mvolt)
{
int ret;
u8 cfg = axp221_mvolt_to_cfg(mvolt, 1600, 3400, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC1_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC1_EN);
ret = pmic_bus_write(AXP221_DCDC1_CTRL, cfg);
if (ret)
return ret;
- ret = axp221_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DCDC1SW_EN);
+ ret = pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_DCDC1SW_EN);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC1_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC1_EN);
}
int axp221_set_dcdc2(unsigned int mvolt)
@@ -120,15 +54,15 @@ int axp221_set_dcdc2(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC2_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC2_EN);
ret = pmic_bus_write(AXP221_DCDC2_CTRL, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC2_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC2_EN);
}
int axp221_set_dcdc3(unsigned int mvolt)
@@ -137,15 +71,15 @@ int axp221_set_dcdc3(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1860, 20);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC3_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC3_EN);
ret = pmic_bus_write(AXP221_DCDC3_CTRL, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC3_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC3_EN);
}
int axp221_set_dcdc4(unsigned int mvolt)
@@ -154,15 +88,15 @@ int axp221_set_dcdc4(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC4_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC4_EN);
ret = pmic_bus_write(AXP221_DCDC4_CTRL, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC4_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC4_EN);
}
int axp221_set_dcdc5(unsigned int mvolt)
@@ -171,15 +105,15 @@ int axp221_set_dcdc5(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC5_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC5_EN);
ret = pmic_bus_write(AXP221_DCDC5_CTRL, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_DCDC5_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_DCDC5_EN);
}
int axp221_set_dldo1(unsigned int mvolt)
@@ -188,15 +122,15 @@ int axp221_set_dldo1(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO1_EN);
+ 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 axp221_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO1_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_DLDO1_EN);
}
int axp221_set_dldo2(unsigned int mvolt)
@@ -205,15 +139,15 @@ int axp221_set_dldo2(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO2_EN);
+ 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 axp221_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO2_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_DLDO2_EN);
}
int axp221_set_dldo3(unsigned int mvolt)
@@ -222,15 +156,15 @@ int axp221_set_dldo3(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO3_EN);
+ 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 axp221_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO3_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_DLDO3_EN);
}
int axp221_set_dldo4(unsigned int mvolt)
@@ -239,15 +173,15 @@ int axp221_set_dldo4(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO4_EN);
+ 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 axp221_setbits(AXP221_OUTPUT_CTRL2,
- AXP221_OUTPUT_CTRL2_DLDO4_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+ AXP221_OUTPUT_CTRL2_DLDO4_EN);
}
int axp221_set_aldo1(unsigned int mvolt)
@@ -256,15 +190,15 @@ int axp221_set_aldo1(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_ALDO1_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_ALDO1_EN);
ret = pmic_bus_write(AXP221_ALDO1_CTRL, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_ALDO1_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_ALDO1_EN);
}
int axp221_set_aldo2(unsigned int mvolt)
@@ -273,15 +207,15 @@ int axp221_set_aldo2(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_ALDO2_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_ALDO2_EN);
ret = pmic_bus_write(AXP221_ALDO2_CTRL, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL1,
- AXP221_OUTPUT_CTRL1_ALDO2_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+ AXP221_OUTPUT_CTRL1_ALDO2_EN);
}
int axp221_set_aldo3(unsigned int mvolt)
@@ -290,15 +224,15 @@ int axp221_set_aldo3(unsigned int mvolt)
u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL3,
- AXP221_OUTPUT_CTRL3_ALDO3_EN);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL3,
+ AXP221_OUTPUT_CTRL3_ALDO3_EN);
ret = pmic_bus_write(AXP221_ALDO3_CTRL, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL3,
- AXP221_OUTPUT_CTRL3_ALDO3_EN);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL3,
+ AXP221_OUTPUT_CTRL3_ALDO3_EN);
}
int axp221_set_eldo(int eldo_num, unsigned int mvolt)
@@ -325,13 +259,13 @@ int axp221_set_eldo(int eldo_num, unsigned int mvolt)
}
if (mvolt == 0)
- return axp221_clrbits(AXP221_OUTPUT_CTRL2, bits);
+ return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, bits);
ret = pmic_bus_write(addr, cfg);
if (ret)
return ret;
- return axp221_setbits(AXP221_OUTPUT_CTRL2, bits);
+ return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, bits);
}
int axp221_init(void)
@@ -385,67 +319,3 @@ int axp221_get_sid(unsigned int *sid)
return 0;
}
-
-int axp_gpio_direction_input(unsigned int pin)
-{
- switch (pin) {
- case SUNXI_GPIO_AXP0_VBUS_DETECT:
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-int axp_gpio_direction_output(unsigned int pin, unsigned int val)
-{
- int ret;
-
- switch (pin) {
- case SUNXI_GPIO_AXP0_VBUS_ENABLE:
- ret = axp221_clrbits(AXP221_MISC_CTRL,
- AXP221_MISC_CTRL_N_VBUSEN_FUNC);
- if (ret)
- return ret;
-
- return axp_gpio_set_value(pin, val);
- default:
- return -EINVAL;
- }
-}
-
-int axp_gpio_get_value(unsigned int pin)
-{
- int ret;
- u8 val;
-
- switch (pin) {
- case SUNXI_GPIO_AXP0_VBUS_DETECT:
- ret = pmic_bus_read(AXP221_POWER_STATUS, &val);
- if (ret)
- return ret;
-
- return !!(val & AXP221_POWER_STATUS_VBUS_AVAIL);
- default:
- return -EINVAL;
- }
-}
-
-int axp_gpio_set_value(unsigned int pin, unsigned int val)
-{
- int ret;
-
- switch (pin) {
- case SUNXI_GPIO_AXP0_VBUS_ENABLE:
- if (val)
- ret = axp221_setbits(AXP221_VBUS_IPSOUT,
- AXP221_VBUS_IPSOUT_DRIVEBUS);
- else
- ret = axp221_clrbits(AXP221_VBUS_IPSOUT,
- AXP221_VBUS_IPSOUT_DRIVEBUS);
-
- if (ret)
- return ret;
- }
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-28 21:20:40 +0000