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sunxi: power: add AXP809 support

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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>
This commit is contained in:
Chen-Yu Tsai
2016-05-02 10:28:15 +08:00
committed by Hans de Goede
parent 511992695d
commit 795857df41
8 changed files with 367 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/power/Kconfig
View File

@@ -41,6 +41,13 @@ config AXP221_POWER
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 @@ endchoice
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 @@ config AXP_DCDC3_VOLT
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 @@ config AXP_ALDO2_VOLT
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_ALDO4_VOLT
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_DLDO4_VOLT
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_ELDO1_VOLT
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_ELDO2_VOLT
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_FLDO3_VOLT
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.

1
drivers/power/Makefile
View File

@@ -9,6 +9,7 @@ obj-$(CONFIG_AS3722_POWER) += as3722.o
obj-$(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

238
drivers/power/axp809.c Normal file
View File

@@ -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;
}