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authorHou Zhiqiang <Zhiqiang.Hou@nxp.com>2016-12-09 16:08:57 +0800
committerYork Sun <york.sun@nxp.com>2017-01-18 09:28:53 -0800
commit762161b04ade62be5c708ff167f5fdde2e61fa9c (patch)
tree2c256aa91021d845744109a4b032d6a1a1242351 /drivers
parent9cfab06e7938453438008c2f561df7d35f83e8f4 (diff)
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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/Kconfig7
-rw-r--r--drivers/power/pmic/Makefile1
-rw-r--r--drivers/power/pmic/pmic_mc34vr500.c32
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;
+}