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authorTim Harvey <tharvey@gateworks.com>2014-02-12 23:48:12 -0800
committerStefano Babic <sbabic@denx.de>2014-03-05 12:02:31 +0100
commit91baa6f7ff632c8d8b8f925ab12406f989da476e (patch)
tree8b4e8432cb7bff92578872728efdc592b645b7e9
parentda781c60e5d55904d77931fcb63f25e65e2228be (diff)
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power: add PFUZE100 PMIC driver
Signed-off-by: Tim Harvey <tharvey@gateworks.com> Acked-by: Stefano Babic <sbabic@denx.de>
-rw-r--r--drivers/power/pmic/Makefile1
-rw-r--r--drivers/power/pmic/pmic_pfuze100.c32
-rw-r--r--include/power/pfuze100_pmic.h96
3 files changed, 129 insertions, 0 deletions
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..22c1f15
--- /dev/null
+++ b/drivers/power/pmic/pmic_pfuze100.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2014 Gateworks Corporation
+ * Tim Harvey <tharvey@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";
+ 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;
+
+ 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@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