power: pmic: add Ricoh RN5T567 PMIC support

Add power driver for Ricoh PMIC used on Colibri iMX7.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

3 files changed, 148 insertions, 0 deletions

diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
index b6257c96974..49d6c5a5178 100644
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -12,6 +12,7 @@ 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_PFUZE300) += pmic_pfuze300.o
+obj-$(CONFIG_POWER_RN5T567) += pmic_rn5t567.o
 obj-$(CONFIG_POWER_TPS65090_I2C) += pmic_tps65090.o
 obj-$(CONFIG_POWER_TPS65090_EC) += pmic_tps65090_ec.o
 obj-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o
diff --git a/drivers/power/pmic/pmic_rn5t567.c b/drivers/power/pmic/pmic_rn5t567.c
new file mode 100644
index 00000000000..1aa2f8628b1
--- /dev/null
+++ b/drivers/power/pmic/pmic_rn5t567.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 Toradex AG
+ * Stefan Agner <stefan.agner@toradex.com>
+ *
+ * SPDX-License-Identifier:      GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/rn5t567_pmic.h>
+
+int power_rn5t567_init(unsigned char bus)
+{
+	static const char name[] = "RN5T567";
+	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_RN5T567_I2C_ADDR;
+	p->hw.i2c.tx_num = 1;
+	p->bus = bus;
+
+	return 0;
+}
diff --git a/include/power/rn5t567_pmic.h b/include/power/rn5t567_pmic.h
new file mode 100644
index 00000000000..aa5504b1837
--- /dev/null
+++ b/include/power/rn5t567_pmic.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2016 Toradex AG
+ * Stefan Agner <stefan.agner@toradex.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef __RN5T567_PMIC_H_
+#define __RN5T567_PMIC_H_
+
+/* RN5T567 registers */
+enum {
+	RN5T567_LSIVER		= 0x00,
+	RN5T567_OTPVER		= 0x01,
+	RN5T567_IODAC		= 0x02,
+	RN5T567_VINDAC		= 0x03,
+	RN5T567_OUT32KEN	= 0x05,
+
+	RN5T567_CPUCNT		= 0x06,
+
+	RN5T567_PSWR		= 0x07,
+	RN5T567_PONHIS		= 0x09,
+	RN5T567_POFFHIS		= 0x0A,
+	RN5T567_WATCHDOG	= 0x0B,
+	RN5T567_WATCHDOGCNT	= 0x0C,
+	RN5T567_PWRFUNC		= 0x0D,
+	RN5T567_SLPCNT		= 0x0E,
+	RN5T567_REPCNT		= 0x0F,
+	RN5T567_PWRONTIMSET	= 0x10,
+	RN5T567_NOETIMSETCNT	= 0x11,
+	RN5T567_PWRIREN		= 0x12,
+	RN5T567_PWRIRQ		= 0x13,
+	RN5T567_PWRMON		= 0x14,
+	RN5T567_PWRIRSEL	= 0x15,
+
+	RN5T567_DC1_SLOT	= 0x16,
+	RN5T567_DC2_SLOT	= 0x17,
+	RN5T567_DC3_SLOT	= 0x18,
+	RN5T567_DC4_SLOT	= 0x19,
+
+	RN5T567_LDO1_SLOT	= 0x1B,
+	RN5T567_LDO2_SLOT	= 0x1C,
+	RN5T567_LDO3_SLOT	= 0x1D,
+	RN5T567_LDO4_SLOT	= 0x1E,
+	RN5T567_LDO5_SLOT	= 0x1F,
+
+	RN5T567_PSO0_SLOT	= 0x25,
+	RN5T567_PSO1_SLOT	= 0x26,
+	RN5T567_PSO2_SLOT	= 0x27,
+	RN5T567_PSO3_SLOT	= 0x28,
+
+	RN5T567_LDORTC1_SLOT	= 0x2A,
+
+	RN5T567_DC1CTL		= 0x2C,
+	RN5T567_DC1CTL2		= 0x2D,
+	RN5T567_DC2CTL		= 0x2E,
+	RN5T567_DC2CTL2		= 0x2F,
+	RN5T567_DC3CTL		= 0x30,
+	RN5T567_DC3CTL2		= 0x31,
+	RN5T567_DC4CTL		= 0x32,
+	RN5T567_DC4CTL2		= 0x33,
+
+	RN5T567_DC1DAC		= 0x36,
+	RN5T567_DC2DAC		= 0x37,
+	RN5T567_DC3DAC		= 0x38,
+	RN5T567_DC4DAC		= 0x39,
+
+	RN5T567_DC1DAC_SLP	= 0x3B,
+	RN5T567_DC2DAC_SLP	= 0x3C,
+	RN5T567_DC3DAC_SLP	= 0x3D,
+	RN5T567_DC4DAC_SLP	= 0x3E,
+
+	RN5T567_DCIREN		= 0x40,
+	RN5T567_DCIRQ		= 0x41,
+	RN5T567_DCIRMON		= 0x42,
+
+	RN5T567_LDOEN1		= 0x44,
+	RN5T567_LDOEN2		= 0x45,
+	RN5T567_LDODIS1		= 0x46,
+
+	RN5T567_LDO1DAC		= 0x4C,
+	RN5T567_LDO2DAC		= 0x4D,
+	RN5T567_LDO3DAC		= 0x4E,
+	RN5T567_LDO4DAC		= 0x4F,
+	RN5T567_LDO5DAC		= 0x50,
+
+	RN5T567_LDORTC1DAC	= 0x56,
+	RN5T567_LDORTC2DAC	= 0x57,
+
+	RN5T567_LDO1DAC_SLP	= 0x58,
+	RN5T567_LDO2DAC_SLP	= 0x59,
+	RN5T567_LDO3DAC_SLP	= 0x5A,
+	RN5T567_LDO4DAC_SLP	= 0x5B,
+	RN5T567_LDO5DAC_SLP	= 0x5C,
+
+	RN5T567_IOSEL		= 0x90,
+	RN5T567_IOOUT		= 0x91,
+	RN5T567_GPEDGE1		= 0x92,
+	RN5T567_EN_GPIR		= 0x94,
+	RN5T567_IR_GPR		= 0x95,
+	RN5T567_IR_GPF		= 0x96,
+	RN5T567_MON_IOIN	= 0x97,
+	RN5T567_GPLED_FUNC	= 0x98,
+	RN5T567_INTPOL		= 0x9C,
+	RN5T567_INTEN		= 0x9D,
+	RN5T567_INTMON		= 0x9E,
+
+	RN5T567_PREVINDAC	= 0xB0,
+	RN5T567_OVTEMP		= 0xBC,
+
+	PMIC_NUM_OF_REGS	= 0xBF,
+};
+
+int power_rn5t567_init(unsigned char bus);
+
+#endif