[U-Boot] [PATCH 1/2] power: add PFUZE100 PMIC driver

[Tim Harvey]

Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
 drivers/power/pmic/Makefile        |  1 +
 drivers/power/pmic/pmic_pfuze100.c | 42 +++++++++++++++++
 include/power/pfuze100_pmic.h      | 96 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 139 insertions(+)
 create mode 100644 drivers/power/pmic/pmic_pfuze100.c
 create mode 100644 include/power/pfuze100_pmic.h

diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
index 0b45ffa..4129bda 100644
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -9,5 +9,6 @@ obj-$(CONFIG_POWER_MAX8998) += pmic_max8998.o
 obj-$(CONFIG_POWER_MAX8997) += pmic_max8997.o
 obj-$(CONFIG_POWER_MUIC_MAX8997) += muic_max8997.o
 obj-$(CONFIG_POWER_MAX77686) += pmic_max77686.o
+obj-$(CONFIG_POWER_PFUZE100) += pmic_pfuze100.o
 obj-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o
 obj-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o
diff --git a/drivers/power/pmic/pmic_pfuze100.c b/drivers/power/pmic/pmic_pfuze100.c
new file mode 100644
index 0000000..c382921
--- /dev/null
+++ b/drivers/power/pmic/pmic_pfuze100.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2014 Gateworks Corporation
+ * Tim Harvey <tharvey at gateworks.com>
+ *
+ * SPDX-License-Identifier:      GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+
+int pmic_init(unsigned char bus)
+{
+	static const char name[] = "PFUZE100_PMIC";
+	int ret;
+	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 = PMIC_NUM_OF_REGS;
+	p->hw.i2c.addr = CONFIG_POWER_PFUZE100_I2C_ADDR;
+	p->hw.i2c.tx_num = 1;
+	p->bus = bus;
+
+	ret = i2c_set_bus_num(p->bus);
+	if (ret)
+		return ret;
+	if (!i2c_probe(p->hw.i2c.addr)) {
+		unsigned char dev_id, rev_id;
+		i2c_read(p->hw.i2c.addr, PFUZE100_DEVICEID, 1, &dev_id, 1);
+		i2c_read(p->hw.i2c.addr, PFUZE100_REVID, 1, &rev_id, 1);
+		printf("PMIC:  PFUZE100 0x%02x/0x%02x\n", dev_id, rev_id);
+	}
+	return 0;
+}
diff --git a/include/power/pfuze100_pmic.h b/include/power/pfuze100_pmic.h
new file mode 100644
index 0000000..2a9032a
--- /dev/null
+++ b/include/power/pfuze100_pmic.h
@@ -0,0 +1,96 @@
+/*
+ *  Copyright (C) 2014 Gateworks Corporation
+ *  Tim Harvey <tharvey at gateworks.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __PFUZE100_PMIC_H_
+#define __PFUZE100_PMIC_H_
+
+/* PFUZE100 registers */
+enum {
+	PFUZE100_DEVICEID	= 0x00,
+	PFUZE100_REVID		= 0x03,
+	PFUZE100_FABID		= 0x04,
+
+	PFUZE100_SW1ABVOL	= 0x20,
+	PFUZE100_SW1CVOL	= 0x2e,
+	PFUZE100_SW2VOL		= 0x35,
+	PFUZE100_SW3AVOL	= 0x3c,
+	PFUZE100_SW3BVOL	= 0x43,
+	PFUZE100_SW4VOL		= 0x4a,
+	PFUZE100_SWBSTCON1	= 0x66,
+	PFUZE100_VREFDDRCON	= 0x6a,
+	PFUZE100_VSNVSVOL	= 0x6b,
+	PFUZE100_VGEN1VOL	= 0x6c,
+	PFUZE100_VGEN2VOL	= 0x6d,
+	PFUZE100_VGEN3VOL	= 0x6e,
+	PFUZE100_VGEN4VOL	= 0x6f,
+	PFUZE100_VGEN5VOL	= 0x70,
+	PFUZE100_VGEN6VOL	= 0x71,
+
+	PMIC_NUM_OF_REGS	= 0x7f,
+};
+
+/*
+ * LDO Configuration
+ */
+
+/* VGEN1/2 Voltage Configuration */
+#define LDOA_0_80V	0
+#define LDOA_0_85V	1
+#define LDOA_0_90V	2
+#define LDOA_0_95V	3
+#define LDOA_1_00V	4
+#define LDOA_1_05V	5
+#define LDOA_1_10V	6
+#define LDOA_1_15V	7
+#define LDOA_1_20V	8
+#define LDOA_1_25V	9
+#define LDOA_1_30V	10
+#define LDOA_1_35V	11
+#define LDOA_1_40V	12
+#define LDOA_1_45V	13
+#define LDOA_1_50V	14
+#define LDOA_1_55V	15
+
+/* VGEN3/4/5/6 Voltage Configuration */
+#define LDOB_1_80V	0
+#define LDOB_1_90V	1
+#define LDOB_2_00V	2
+#define LDOB_2_10V	3
+#define LDOB_2_20V	4
+#define LDOB_2_30V	5
+#define LDOB_2_40V	6
+#define LDOB_2_50V	7
+#define LDOB_2_60V	8
+#define LDOB_2_70V	9
+#define LDOB_2_80V	10
+#define LDOB_2_90V	11
+#define LDOB_3_00V	12
+#define LDOB_3_10V	13
+#define LDOB_3_20V	14
+#define LDOB_3_30V	15
+
+#define LDO_VOL_MASK	0xf
+#define LDO_EN		4
+
+/*
+ * Boost Regulator
+ */
+
+/* SWBST Output Voltage */
+#define SWBST_5_00V	0
+#define SWBST_5_05V	1
+#define SWBST_5_10V	2
+#define SWBST_5_15V	3
+
+#define SWBST_VOL_MASK	0x3
+#define SWBST_MODE_MASK	0x6
+#define SWBST_MODE_OFF	(2 << 0)
+#define SWBST_MODE_PFM	(2 << 1)
+#define SWBST_MODE_AUTO	(2 << 2)
+#define SWBST_MODE_APS	(2 << 3)
+
+#endif
-- 
1.8.3.2