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| author | Oliver Schinagl <oliver@schinagl.nl> | 2013-07-26 12:56:58 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2014-11-13 14:49:01 +0100 |
| commit | 5c7f10fda362db16a7bf3e571b4ae1e88fac2466 (patch) | |
| tree | e1f036b2b6a5eadc0101430183dd0a01f4a830ba /include | |
| parent | 3b10e6eb68d1bb774d93e1f3d153e68875fda5ad (diff) | |
| download | u-boot-imx-5c7f10fda362db16a7bf3e571b4ae1e88fac2466.zip u-boot-imx-5c7f10fda362db16a7bf3e571b4ae1e88fac2466.tar.gz u-boot-imx-5c7f10fda362db16a7bf3e571b4ae1e88fac2466.tar.bz2 | |
sun6i: Add basic axp221 driver
The A31 uses the AXP221 pmic for various voltages.
Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
--
Changes in v2:
-Rebase
Changes in v3:
-Add support for all dldo and aldo-s
-Add Kconfig option to select building AXP221 and to select voltage of
dldo and aldo-s
Changes in v4:
-Add axp221_setbits helper function
-Use symbolic names for enabled bits in CTRL1 - CTRL3 registers
Diffstat (limited to 'include')
| -rw-r--r-- | include/axp221.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/axp221.h b/include/axp221.h new file mode 100644 index 0000000..e3b4409 --- /dev/null +++ b/include/axp221.h @@ -0,0 +1,50 @@ +/* + * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl> + * + * X-Powers AXP221 Power Management IC driver + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#define AXP221_CHIP_ADDR 0x68 +#define AXP221_CTRL_ADDR 0x3e +#define AXP221_INIT_DATA 0x3e + +#define AXP221_CHIP_ID 0x03 +#define AXP221_OUTPUT_CTRL1 0x10 +#define AXP221_OUTPUT_CTRL1_ALDO1_EN (1 << 6) +#define AXP221_OUTPUT_CTRL1_ALDO2_EN (1 << 7) +#define AXP221_OUTPUT_CTRL2 0x12 +#define AXP221_OUTPUT_CTRL2_DLDO1_EN (1 << 3) +#define AXP221_OUTPUT_CTRL2_DLDO2_EN (1 << 4) +#define AXP221_OUTPUT_CTRL2_DLDO3_EN (1 << 5) +#define AXP221_OUTPUT_CTRL2_DLDO4_EN (1 << 6) +#define AXP221_OUTPUT_CTRL2_DCDC1_EN (1 << 7) +#define AXP221_OUTPUT_CTRL3 0x13 +#define AXP221_OUTPUT_CTRL3_ALDO3_EN (1 << 7) +#define AXP221_DLDO1_CTRL 0x15 +#define AXP221_DLDO2_CTRL 0x16 +#define AXP221_DLDO3_CTRL 0x17 +#define AXP221_DLDO4_CTRL 0x18 +#define AXP221_DCDC1_CTRL 0x21 +#define AXP221_DCDC2_CTRL 0x22 +#define AXP221_DCDC3_CTRL 0x23 +#define AXP221_DCDC4_CTRL 0x24 +#define AXP221_DCDC5_CTRL 0x25 +#define AXP221_ALDO1_CTRL 0x28 +#define AXP221_ALDO2_CTRL 0x28 +#define AXP221_ALDO3_CTRL 0x2a + +int axp221_set_dcdc1(unsigned int mvolt); +int axp221_set_dcdc2(unsigned int mvolt); +int axp221_set_dcdc3(unsigned int mvolt); +int axp221_set_dcdc4(unsigned int mvolt); +int axp221_set_dcdc5(unsigned int mvolt); +int axp221_set_dldo1(unsigned int mvolt); +int axp221_set_dldo2(unsigned int mvolt); +int axp221_set_dldo3(unsigned int mvolt); +int axp221_set_dldo4(unsigned int mvolt); +int axp221_set_aldo1(unsigned int mvolt); +int axp221_set_aldo2(unsigned int mvolt); +int axp221_set_aldo3(unsigned int mvolt); +int axp221_init(void); |