sunxi: power: add AXP809 support
The A80 uses the AXP809 as its primary PMIC.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
index ad3d6c4..25367cf 100644
--- a/arch/arm/mach-sunxi/Makefile
+++ b/arch/arm/mach-sunxi/Makefile
@@ -37,6 +37,7 @@
obj-$(CONFIG_AXP152_POWER) += pmic_bus.o
obj-$(CONFIG_AXP209_POWER) += pmic_bus.o
obj-$(CONFIG_AXP221_POWER) += pmic_bus.o
+obj-$(CONFIG_AXP809_POWER) += pmic_bus.o
obj-$(CONFIG_AXP818_POWER) += pmic_bus.o
ifdef CONFIG_SPL_BUILD
diff --git a/arch/arm/mach-sunxi/pmic_bus.c b/arch/arm/mach-sunxi/pmic_bus.c
index 5b81a8d..7c57f02 100644
--- a/arch/arm/mach-sunxi/pmic_bus.c
+++ b/arch/arm/mach-sunxi/pmic_bus.c
@@ -36,7 +36,7 @@
if (!needs_init)
return 0;
-#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP818_POWER
+#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,
@@ -62,7 +62,7 @@
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_AXP221_POWER || defined CONFIG_AXP818_POWER
+#elif defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
# ifdef CONFIG_MACH_SUN6I
return p2wi_read(reg, data);
# else
@@ -77,7 +77,7 @@
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_AXP221_POWER || defined CONFIG_AXP818_POWER
+#elif defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
# ifdef CONFIG_MACH_SUN6I
return p2wi_write(reg, data);
# else
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 6a0a8db..103aafe 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -483,10 +483,12 @@
#endif
#if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \
- defined CONFIG_AXP221_POWER || defined CONFIG_AXP818_POWER
+ defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
+ defined CONFIG_AXP818_POWER
power_failed = axp_init();
-#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP818_POWER
+#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
+ defined CONFIG_AXP818_POWER
power_failed |= axp_set_dcdc1(CONFIG_AXP_DCDC1_VOLT);
#endif
power_failed |= axp_set_dcdc2(CONFIG_AXP_DCDC2_VOLT);
@@ -494,11 +496,13 @@
#if !defined(CONFIG_AXP209_POWER) && !defined(CONFIG_AXP818_POWER)
power_failed |= axp_set_dcdc4(CONFIG_AXP_DCDC4_VOLT);
#endif
-#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP818_POWER
+#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
+ defined CONFIG_AXP818_POWER
power_failed |= axp_set_dcdc5(CONFIG_AXP_DCDC5_VOLT);
#endif
-#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP818_POWER
+#if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
+ defined CONFIG_AXP818_POWER
power_failed |= axp_set_aldo1(CONFIG_AXP_ALDO1_VOLT);
#endif
power_failed |= axp_set_aldo2(CONFIG_AXP_ALDO2_VOLT);
@@ -509,11 +513,14 @@
power_failed |= axp_set_aldo4(CONFIG_AXP_ALDO4_VOLT);
#endif
-#if defined(CONFIG_AXP221_POWER) || defined(CONFIG_AXP818_POWER)
+#if defined(CONFIG_AXP221_POWER) || defined(CONFIG_AXP809_POWER) || \
+ defined(CONFIG_AXP818_POWER)
power_failed |= axp_set_dldo(1, CONFIG_AXP_DLDO1_VOLT);
power_failed |= axp_set_dldo(2, CONFIG_AXP_DLDO2_VOLT);
+#if !defined CONFIG_AXP809_POWER
power_failed |= axp_set_dldo(3, CONFIG_AXP_DLDO3_VOLT);
power_failed |= axp_set_dldo(4, CONFIG_AXP_DLDO4_VOLT);
+#endif
power_failed |= axp_set_eldo(1, CONFIG_AXP_ELDO1_VOLT);
power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT);
power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT);
@@ -523,6 +530,9 @@
power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT);
power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT);
power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT);
+#endif
+
+#if defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
power_failed |= axp_set_sw(IS_ENABLED(CONFIG_AXP_SW_ON));
#endif
#endif
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index d137536..3c44167 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -41,6 +41,13 @@
Select this to enable support for the axp221/axp223 pmic found on most
A23 and A31 boards.
+config AXP809_POWER
+ boolean "axp809 pmic support"
+ depends on MACH_SUN9I
+ select CMD_POWEROFF
+ ---help---
+ Say y here to enable support for the axp809 pmic found on A80 boards.
+
config AXP818_POWER
boolean "axp818 pmic support"
depends on MACH_SUN8I_A83T
@@ -60,36 +67,39 @@
config AXP_DCDC1_VOLT
int "axp pmic dcdc1 voltage"
- depends on AXP221_POWER || AXP818_POWER
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
default 3300 if AXP818_POWER
- default 3000 if MACH_SUN6I || MACH_SUN8I
+ default 3000 if MACH_SUN6I || MACH_SUN8I || MACH_SUN9I
---help---
Set the voltage (mV) to program the axp pmic dcdc1 at, set to 0 to
disable dcdc1. On A23 / A31 / A33 (axp221) boards dcdc1 is used for
generic 3.3V IO voltage for external devices like the lcd-panal and
sdcard interfaces, etc. On most boards dcdc1 is undervolted to 3.0V to
- safe battery. On A31 devices dcdc1 is also used for VCC-IO. On A83T
- dcdc1 is used for VCC-IO, nand, usb0, sd , etc.
+ save battery. On A31 devices dcdc1 is also used for VCC-IO. On A83T
+ dcdc1 is used for VCC-IO, nand, usb0, sd , etc. On A80 dcdc1 normally
+ powers some of the pingroups, NAND/eMMC, SD/MMC, and USB OTG.
config AXP_DCDC2_VOLT
int "axp pmic dcdc2 voltage"
- depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP818_POWER
+ depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP809_POWER || AXP818_POWER
default 900 if AXP818_POWER
default 1400 if AXP152_POWER || AXP209_POWER
default 1200 if MACH_SUN6I
default 1100 if MACH_SUN8I
+ default 0 if MACH_SUN9I
---help---
Set the voltage (mV) to program the axp pmic dcdc2 at, set to 0 to
disable dcdc2.
On A10(s) / A13 / A20 boards dcdc2 is VDD-CPU and should be 1.4V.
On A31 boards dcdc2 is used for VDD-GPU and should be 1.2V.
On A23/A33 boards dcdc2 is used for VDD-SYS and should be 1.1V.
+ On A80 boards dcdc2 powers the GPU and can be left off.
On A83T boards dcdc2 is used for VDD-CPUA(cluster 0) and should be 0.9V.
config AXP_DCDC3_VOLT
int "axp pmic dcdc3 voltage"
- depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP818_POWER
- default 900 if AXP818_POWER
+ depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP809_POWER || AXP818_POWER
+ default 900 if AXP809_POWER || AXP818_POWER
default 1500 if AXP152_POWER
default 1250 if AXP209_POWER
default 1200 if MACH_SUN6I || MACH_SUN8I
@@ -100,51 +110,55 @@
should be 1.25V.
On A10s boards with an axp152 dcdc3 is VCC-DRAM and should be 1.5V.
On A23 / A31 / A33 boards dcdc3 is VDD-CPU and should be 1.2V.
+ On A80 boards dcdc3 is used for VDD-CPUA(cluster 0) and should be 0.9V.
On A83T boards dcdc3 is used for VDD-CPUB(cluster 1) and should be 0.9V.
config AXP_DCDC4_VOLT
int "axp pmic dcdc4 voltage"
- depends on AXP152_POWER || AXP221_POWER || AXP818_POWER
+ depends on AXP152_POWER || AXP221_POWER || AXP809_POWER || AXP818_POWER
default 1250 if AXP152_POWER
default 1200 if MACH_SUN6I
default 0 if MACH_SUN8I
+ default 900 if MACH_SUN9I
---help---
Set the voltage (mV) to program the axp pmic dcdc4 at, set to 0 to
disable dcdc4.
On A10s boards with an axp152 dcdc4 is VDD-INT-DLL and should be 1.25V.
On A31 boards dcdc4 is used for VDD-SYS and should be 1.2V.
On A23 / A33 boards dcdc4 is unused and should be disabled.
+ On A80 boards dcdc4 powers VDD-SYS, HDMI, USB OTG and should be 0.9V.
On A83T boards dcdc4 is used for VDD-GPU.
config AXP_DCDC5_VOLT
int "axp pmic dcdc5 voltage"
- depends on AXP221_POWER || AXP818_POWER
- default 1500 if MACH_SUN6I || MACH_SUN8I
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
+ default 1500 if MACH_SUN6I || MACH_SUN8I || MACH_SUN9I
---help---
Set the voltage (mV) to program the axp pmic dcdc5 at, set to 0 to
disable dcdc5.
- On A23 / A31 / A33 / A83T boards dcdc5 is VCC-DRAM and should be 1.5V,
- 1.35V if DDR3L is used.
+ On A23 / A31 / A33 / A80 / A83T boards dcdc5 is VCC-DRAM and
+ should be 1.5V, 1.35V if DDR3L is used.
config AXP_ALDO1_VOLT
int "axp pmic (a)ldo1 voltage"
- depends on AXP221_POWER || AXP818_POWER
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
default 0 if MACH_SUN6I
default 1800 if MACH_SUN8I_A83T
- default 3000 if MACH_SUN8I
+ default 3000 if MACH_SUN8I || MACH_SUN9I
---help---
Set the voltage (mV) to program the axp pmic aldo1 at, set to 0 to
disable aldo1.
On A31 boards aldo1 is often used to power the wifi module.
On A23 / A33 boards aldo1 is used for VCC-IO and should be 3.0V.
+ On A80 boards aldo1 powers the USB hosts and should be 3.0V.
On A83T / H8 boards aldo1 is used for MIPI CSI, DSI, HDMI, EFUSE, and
should be 1.8V.
config AXP_ALDO2_VOLT
int "axp pmic (a)ldo2 voltage"
- depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP818_POWER
+ depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP809_POWER || AXP818_POWER
default 3000 if AXP152_POWER || AXP209_POWER
- default 0 if MACH_SUN6I
+ default 0 if MACH_SUN6I || MACH_SUN9I
default 1800 if MACH_SUN8I_A83T
default 2500 if MACH_SUN8I
---help---
@@ -154,19 +168,21 @@
On A31 boards aldo2 is typically unused and should be disabled.
On A31 boards aldo2 may be used for LPDDR2 then it should be 1.8V.
On A23 / A33 boards aldo2 is used for VDD-DLL and should be 2.5V.
+ On A80 boards aldo2 powers PB pingroup and camera IO and can be left off.
On A83T / H8 boards aldo2 powers VDD-DLL, VCC18-PLL, CPVDD, VDD18-ADC,
LPDDR2, and the codec. It should be 1.8V.
config AXP_ALDO3_VOLT
int "axp pmic (a)ldo3 voltage"
- depends on AXP209_POWER || AXP221_POWER || AXP818_POWER
- default 0 if AXP209_POWER
+ depends on AXP209_POWER || AXP221_POWER || AXP809_POWER || AXP818_POWER
+ default 0 if AXP209_POWER || MACH_SUN9I
default 3000 if MACH_SUN6I || MACH_SUN8I
---help---
Set the voltage (mV) to program the axp pmic aldo3 at, set to 0 to
disable aldo3.
On A10(s) / A13 / A20 boards aldo3 should be 2.8V.
On A23 / A31 / A33 boards aldo3 is VCC-PLL and AVCC and should be 3.0V.
+ On A80 boards aldo3 is normally not used.
On A83T / H8 boards aldo3 is AVCC, VCC-PL, and VCC-LED, and should be
3.0V.
@@ -181,21 +197,23 @@
config AXP_DLDO1_VOLT
int "axp pmic dldo1 voltage"
- depends on AXP221_POWER || AXP818_POWER
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
default 0
---help---
Set the voltage (mV) to program the axp pmic dldo1 at, set to 0 to
disable dldo1. On sun6i (A31) boards with ethernet dldo1 is often used
- to power the ethernet phy. On sun8i (A23) boards this is often used to
- power the wifi.
+ to power the ethernet phy. On A23, A33 and A80 boards this is often
+ used to power the wifi.
config AXP_DLDO2_VOLT
int "axp pmic dldo2 voltage"
- depends on AXP221_POWER || AXP818_POWER
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
+ default 3000 if MACH_SUN9I
default 0
---help---
Set the voltage (mV) to program the axp pmic dldo2 at, set to 0 to
disable dldo2.
+ On A80 boards dldo2 normally powers the PL pins and should be 3.0V.
config AXP_DLDO3_VOLT
int "axp pmic dldo3 voltage"
@@ -215,7 +233,7 @@
config AXP_ELDO1_VOLT
int "axp pmic eldo1 voltage"
- depends on AXP221_POWER || AXP818_POWER
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
default 0
---help---
Set the voltage (mV) to program the axp pmic eldo1 at, set to 0 to
@@ -223,7 +241,7 @@
config AXP_ELDO2_VOLT
int "axp pmic eldo2 voltage"
- depends on AXP221_POWER || AXP818_POWER
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
default 0
---help---
Set the voltage (mV) to program the axp pmic eldo2 at, set to 0 to
@@ -231,13 +249,15 @@
config AXP_ELDO3_VOLT
int "axp pmic eldo3 voltage"
- depends on AXP221_POWER || AXP818_POWER
+ depends on AXP221_POWER || AXP809_POWER || AXP818_POWER
+ default 3000 if MACH_SUN9I
default 0
---help---
Set the voltage (mV) to program the axp pmic eldo3 at, set to 0 to
disable eldo3. On some A31(s) tablets it might be used to supply
1.2V for the SSD2828 chip (converter of parallel LCD interface
into MIPI DSI).
+ On A80 boards it powers the PM pingroup and should be 3.0V.
config AXP_FLDO1_VOLT
int "axp pmic fldo1 voltage"
@@ -268,7 +288,7 @@
config AXP_SW_ON
bool "axp pmic sw on"
- depends on AXP818_POWER
+ depends on AXP809_POWER || AXP818_POWER
default n
---help---
Enable to turn on axp pmic sw.
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 690faa0..b43523e 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -9,6 +9,7 @@
obj-$(CONFIG_AXP152_POWER) += axp152.o
obj-$(CONFIG_AXP209_POWER) += axp209.o
obj-$(CONFIG_AXP221_POWER) += axp221.o
+obj-$(CONFIG_AXP809_POWER) += axp809.o
obj-$(CONFIG_AXP818_POWER) += axp818.o
obj-$(CONFIG_EXYNOS_TMU) += exynos-tmu.o
obj-$(CONFIG_FTPMU010_POWER) += ftpmu010.o
diff --git a/drivers/power/axp809.c b/drivers/power/axp809.c
new file mode 100644
index 0000000..c8b76cf
--- /dev/null
+++ b/drivers/power/axp809.c
@@ -0,0 +1,238 @@
+/*
+ * AXP809 driver based on AXP221 driver
+ *
+ *
+ * (C) Copyright 2016 Chen-Yu Tsai <wens@csie.org>
+ *
+ * Based on axp221.c
+ * (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 <errno.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pmic_bus.h>
+#include <axp_pmic.h>
+
+static u8 axp809_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_dcdc1(unsigned int mvolt)
+{
+ int ret;
+ u8 cfg = axp809_mvolt_to_cfg(mvolt, 1600, 3400, 100);
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC1_EN);
+
+ ret = pmic_bus_write(AXP809_DCDC1_CTRL, cfg);
+ if (ret)
+ return ret;
+
+ ret = pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_DC1SW_EN);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC1_EN);
+}
+
+int axp_set_dcdc2(unsigned int mvolt)
+{
+ int ret;
+ u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC2_EN);
+
+ ret = pmic_bus_write(AXP809_DCDC2_CTRL, cfg);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC2_EN);
+}
+
+int axp_set_dcdc3(unsigned int mvolt)
+{
+ int ret;
+ u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1860, 20);
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC3_EN);
+
+ ret = pmic_bus_write(AXP809_DCDC3_CTRL, cfg);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC3_EN);
+}
+
+int axp_set_dcdc4(unsigned int mvolt)
+{
+ int ret;
+ u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);
+
+ if (mvolt >= 1540)
+ cfg = 0x30 + axp809_mvolt_to_cfg(mvolt, 1800, 2600, 100);
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC4_EN);
+
+ ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC4_EN);
+}
+
+int axp_set_dcdc5(unsigned int mvolt)
+{
+ int ret;
+ u8 cfg = axp809_mvolt_to_cfg(mvolt, 1000, 2550, 50);
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC5_EN);
+
+ ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_DCDC5_EN);
+}
+
+int axp_set_aldo(int aldo_num, unsigned int mvolt)
+{
+ int ret;
+ u8 cfg;
+
+ if (aldo_num < 1 || aldo_num > 3)
+ return -EINVAL;
+
+ if (mvolt == 0 && aldo_num == 3)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_ALDO3_EN);
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
+
+ cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
+ ret = pmic_bus_write(AXP809_ALDO1_CTRL + (aldo_num - 1), cfg);
+ if (ret)
+ return ret;
+
+ if (aldo_num == 3)
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_ALDO3_EN);
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
+ AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
+}
+
+/* TODO: re-work other AXP drivers to consolidate ALDO functions. */
+int axp_set_aldo1(unsigned int mvolt)
+{
+ return axp_set_aldo(1, mvolt);
+}
+
+int axp_set_aldo2(unsigned int mvolt)
+{
+ return axp_set_aldo(2, mvolt);
+}
+
+int axp_set_aldo3(unsigned int mvolt)
+{
+ return axp_set_aldo(3, mvolt);
+}
+
+int axp_set_dldo(int dldo_num, unsigned int mvolt)
+{
+ u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
+ int ret;
+
+ if (dldo_num < 1 || dldo_num > 2)
+ return -EINVAL;
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
+
+ if (dldo_num == 1 && mvolt > 3300)
+ cfg += 1 + axp809_mvolt_to_cfg(mvolt, 3400, 4200, 200);
+ ret = pmic_bus_write(AXP809_DLDO1_CTRL + (dldo_num - 1), cfg);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
+}
+
+int axp_set_eldo(int eldo_num, unsigned int mvolt)
+{
+ int ret;
+ u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
+
+ if (eldo_num < 1 || eldo_num > 3)
+ return -EINVAL;
+
+ if (mvolt == 0)
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
+
+ ret = pmic_bus_write(AXP809_ELDO1_CTRL + (eldo_num - 1), cfg);
+ if (ret)
+ return ret;
+
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
+}
+
+int axp_set_sw(bool on)
+{
+ if (on)
+ return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_SWOUT_EN);
+
+ return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
+ AXP809_OUTPUT_CTRL2_SWOUT_EN);
+}
+
+int axp_init(void)
+{
+ int ret;
+
+ 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(AXP809_SHUTDOWN, AXP809_SHUTDOWN_POWEROFF);
+
+ /* infinite loop during shutdown */
+ while (1) {}
+
+ /* not reached */
+ return 0;
+}
diff --git a/include/axp809.h b/include/axp809.h
new file mode 100644
index 0000000..d27fb97
--- /dev/null
+++ b/include/axp809.h
@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2016 Chen-Yu Tsai <wens@csie.org>
+ *
+ * X-Powers AXP809 Power Management IC driver
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#define AXP809_CHIP_ID 0x03
+
+#define AXP809_OUTPUT_CTRL1 0x10
+#define AXP809_OUTPUT_CTRL1_DC5LDO_EN (1 << 0)
+#define AXP809_OUTPUT_CTRL1_DCDC1_EN (1 << 1)
+#define AXP809_OUTPUT_CTRL1_DCDC2_EN (1 << 2)
+#define AXP809_OUTPUT_CTRL1_DCDC3_EN (1 << 3)
+#define AXP809_OUTPUT_CTRL1_DCDC4_EN (1 << 4)
+#define AXP809_OUTPUT_CTRL1_DCDC5_EN (1 << 5)
+#define AXP809_OUTPUT_CTRL1_ALDO1_EN (1 << 6)
+#define AXP809_OUTPUT_CTRL1_ALDO2_EN (1 << 7)
+#define AXP809_OUTPUT_CTRL2 0x12
+#define AXP809_OUTPUT_CTRL2_ELDO1_EN (1 << 0)
+#define AXP809_OUTPUT_CTRL2_ELDO2_EN (1 << 1)
+#define AXP809_OUTPUT_CTRL2_ELDO3_EN (1 << 2)
+#define AXP809_OUTPUT_CTRL2_DLDO1_EN (1 << 3)
+#define AXP809_OUTPUT_CTRL2_DLDO2_EN (1 << 4)
+#define AXP809_OUTPUT_CTRL2_ALDO3_EN (1 << 5)
+#define AXP809_OUTPUT_CTRL2_SWOUT_EN (1 << 6)
+#define AXP809_OUTPUT_CTRL2_DC1SW_EN (1 << 7)
+
+#define AXP809_DLDO1_CTRL 0x15
+#define AXP809_DLDO2_CTRL 0x16
+#define AXP809_ELDO1_CTRL 0x19
+#define AXP809_ELDO2_CTRL 0x1a
+#define AXP809_ELDO3_CTRL 0x1b
+#define AXP809_DC5LDO_CTRL 0x1c
+#define AXP809_DCDC1_CTRL 0x21
+#define AXP809_DCDC2_CTRL 0x22
+#define AXP809_DCDC3_CTRL 0x23
+#define AXP809_DCDC4_CTRL 0x24
+#define AXP809_DCDC5_CTRL 0x25
+#define AXP809_ALDO1_CTRL 0x28
+#define AXP809_ALDO2_CTRL 0x29
+#define AXP809_ALDO3_CTRL 0x2a
+#define AXP809_SHUTDOWN 0x32
+#define AXP809_SHUTDOWN_POWEROFF (1 << 7)
+
+/* For axp_gpio.c */
+#define AXP_POWER_STATUS 0x00
+#define AXP_POWER_STATUS_VBUS_PRESENT (1 << 5)
+#define AXP_VBUS_IPSOUT 0x30
+#define AXP_VBUS_IPSOUT_DRIVEBUS (1 << 2)
+#define AXP_MISC_CTRL 0x8f
+#define AXP_MISC_CTRL_N_VBUSEN_FUNC (1 << 4)
+#define AXP_GPIO0_CTRL 0x90
+#define AXP_GPIO1_CTRL 0x92
+#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
+#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
+#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
+#define AXP_GPIO_STATE 0x94
+#define AXP_GPIO_STATE_OFFSET 0
diff --git a/include/axp_pmic.h b/include/axp_pmic.h
index 2ed5196..d789ad8 100644
--- a/include/axp_pmic.h
+++ b/include/axp_pmic.h
@@ -16,6 +16,9 @@
#ifdef CONFIG_AXP221_POWER
#include <axp221.h>
#endif
+#ifdef CONFIG_AXP809_POWER
+#include <axp809.h>
+#endif
#ifdef CONFIG_AXP818_POWER
#include <axp818.h>
#endif