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| author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2016-12-09 16:08:57 +0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-01-18 09:28:53 -0800 |
| commit | 762161b04ade62be5c708ff167f5fdde2e61fa9c (patch) | |
| tree | 2c256aa91021d845744109a4b032d6a1a1242351 /drivers | |
| parent | 9cfab06e7938453438008c2f561df7d35f83e8f4 (diff) | |
| download | u-boot-762161b04ade62be5c708ff167f5fdde2e61fa9c.zip u-boot-762161b04ade62be5c708ff167f5fdde2e61fa9c.tar.gz u-boot-762161b04ade62be5c708ff167f5fdde2e61fa9c.tar.bz2 | |
pmic: pmic_mc34vr500: Add a driver for the mc34vr500 pmic
This patch adds a simple pmic driver for the mc34vr500 pmic which
is used in conjunction with the fsl T1 and LS1 series SoC.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/pmic/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/power/pmic/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/pmic/pmic_mc34vr500.c | 32 |
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig index 5e244c8..e7cc405 100644 --- a/drivers/power/pmic/Kconfig +++ b/drivers/power/pmic/Kconfig @@ -164,3 +164,10 @@ config PMIC_LP873X ---help--- The LP873X is a PMIC containing couple of LDOs and couple of SMPS. This driver binds the pmic children. + +config POWER_MC34VR500 + bool "Enable driver for Freescale MC34VR500 PMIC" + ---help--- + The MC34VR500 is used in conjunction with the FSL T1 and LS1 series + SoC. It provides 4 buck DC-DC convertors and 5 LDOs, and it is accessed + via an I2C interface. diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index b4ac7d2..8615939 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -33,3 +33,4 @@ obj-$(CONFIG_POWER_TPS65218) += pmic_tps62362.o obj-$(CONFIG_POWER_TPS65218) += pmic_tps65218.o obj-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o obj-$(CONFIG_POWER_HI6553) += pmic_hi6553.o +obj-$(CONFIG_POWER_MC34VR500) += pmic_mc34vr500.o diff --git a/drivers/power/pmic/pmic_mc34vr500.c b/drivers/power/pmic/pmic_mc34vr500.c new file mode 100644 index 0000000..db9e210 --- /dev/null +++ b/drivers/power/pmic/pmic_mc34vr500.c @@ -0,0 +1,32 @@ +/* + * Copyright 2016 Freescale Semiconductor, Inc. + * Hou Zhiqiang <Zhiqiang.Hou@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <i2c.h> +#include <power/pmic.h> +#include <power/mc34vr500_pmic.h> + +int power_mc34vr500_init(unsigned char bus) +{ + static const char name[] = "MC34VR500"; + struct pmic *p = pmic_alloc(); + + if (!p) { + printf("%s: POWER allocation error!\n", __func__); + return -ENOMEM; + } + + p->name = name; + p->interface = PMIC_I2C; + p->number_of_regs = MC34VR500_NUM_OF_REGS; + p->hw.i2c.addr = MC34VR500_I2C_ADDR; + p->hw.i2c.tx_num = 1; + p->bus = bus; + + return 0; +} |