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pmic: pmic_mc34vr500: Add a driver for the mc34vr500 pmic

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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>
This commit is contained in:
Hou Zhiqiang
2016-12-09 16:08:57 +08:00
committed by York Sun
parent 9cfab06e79
commit 762161b04a
4 changed files with 206 additions and 0 deletions
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7
drivers/power/pmic/Kconfig
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@@ -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.

1
drivers/power/pmic/Makefile
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@@ -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

32
drivers/power/pmic/pmic_mc34vr500.c Normal file
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@@ -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;
}