diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 692e38283bda..13582ea5cb44 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1222,6 +1222,20 @@ config MFD_RK8XX_I2C
 	  through I2C interface. The device supports multiple sub-devices
 	  including interrupts, RTC, LDO & DCDC regulators, and onkey.
 
+config MFD_RK8XX_SPI
+	tristate "Rockchip RK806 Power Management Chip"
+	depends on SPI && OF
+	select MFD_CORE
+	select REGMAP_SPI
+	select REGMAP_IRQ
+	select MFD_RK8XX
+	help
+	  If you say yes here you get support for the RK806 Power Management
+	  chip.
+	  This driver provides common support for accessing the device
+	  through an SPI interface. The device supports multiple sub-devices
+	  including interrupts, LDO & DCDC regulators, and power on-key.
+
 config MFD_RN5T618
 	tristate "Ricoh RN5T567/618 PMIC"
 	depends on I2C
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index f65ef1bd0810..a88f27cd837b 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -222,6 +222,7 @@ obj-$(CONFIG_MFD_NTXEC)		+= ntxec.o
 obj-$(CONFIG_MFD_RC5T583)	+= rc5t583.o rc5t583-irq.o
 obj-$(CONFIG_MFD_RK8XX)		+= rk8xx-core.o
 obj-$(CONFIG_MFD_RK8XX_I2C)	+= rk8xx-i2c.o
+obj-$(CONFIG_MFD_RK8XX_SPI)	+= rk8xx-spi.o
 obj-$(CONFIG_MFD_RN5T618)	+= rn5t618.o
 obj-$(CONFIG_MFD_SEC_CORE)	+= sec-core.o sec-irq.o
 obj-$(CONFIG_MFD_SYSCON)	+= syscon.o
diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c
index 21c6484a951c..252030b9be4c 100644
--- a/drivers/mfd/rk8xx-core.c
+++ b/drivers/mfd/rk8xx-core.c
@@ -37,6 +37,11 @@ static const struct resource rk805_key_resources[] = {
 	DEFINE_RES_IRQ(RK805_IRQ_PWRON_FALL),
 };
 
+static struct resource rk806_pwrkey_resources[] = {
+	DEFINE_RES_IRQ(RK806_IRQ_PWRON_FALL),
+	DEFINE_RES_IRQ(RK806_IRQ_PWRON_RISE),
+};
+
 static const struct resource rk817_pwrkey_resources[] = {
 	DEFINE_RES_IRQ(RK817_IRQ_PWRON_RISE),
 	DEFINE_RES_IRQ(RK817_IRQ_PWRON_FALL),
@@ -64,6 +69,17 @@ static const struct mfd_cell rk805s[] = {
 	},
 };
 
+static const struct mfd_cell rk806s[] = {
+	{ .name = "rk805-pinctrl", .id = PLATFORM_DEVID_AUTO, },
+	{ .name = "rk808-regulator", .id = PLATFORM_DEVID_AUTO, },
+	{
+		.name = "rk805-pwrkey",
+		.resources = rk806_pwrkey_resources,
+		.num_resources = ARRAY_SIZE(rk806_pwrkey_resources),
+		.id = PLATFORM_DEVID_AUTO,
+	},
+};
+
 static const struct mfd_cell rk808s[] = {
 	{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
 	{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
@@ -122,6 +138,12 @@ static const struct rk808_reg_data rk805_pre_init_reg[] = {
 	{RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C},
 };
 
+static const struct rk808_reg_data rk806_pre_init_reg[] = {
+	{ RK806_GPIO_INT_CONFIG, RK806_INT_POL_MSK, RK806_INT_POL_L },
+	{ RK806_SYS_CFG3, RK806_SLAVE_RESTART_FUN_MSK, RK806_SLAVE_RESTART_FUN_EN },
+	{ RK806_SYS_OPTION, RK806_SYS_ENB2_2M_MSK, RK806_SYS_ENB2_2M_EN },
+};
+
 static const struct rk808_reg_data rk808_pre_init_reg[] = {
 	{ RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_150MA },
 	{ RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_200MA },
@@ -272,6 +294,27 @@ static const struct regmap_irq rk805_irqs[] = {
 	},
 };
 
+static const struct regmap_irq rk806_irqs[] = {
+	/* INT_STS0 IRQs */
+	REGMAP_IRQ_REG(RK806_IRQ_PWRON_FALL, 0, RK806_INT_STS_PWRON_FALL),
+	REGMAP_IRQ_REG(RK806_IRQ_PWRON_RISE, 0, RK806_INT_STS_PWRON_RISE),
+	REGMAP_IRQ_REG(RK806_IRQ_PWRON, 0, RK806_INT_STS_PWRON),
+	REGMAP_IRQ_REG(RK806_IRQ_PWRON_LP, 0, RK806_INT_STS_PWRON_LP),
+	REGMAP_IRQ_REG(RK806_IRQ_HOTDIE, 0, RK806_INT_STS_HOTDIE),
+	REGMAP_IRQ_REG(RK806_IRQ_VDC_RISE, 0, RK806_INT_STS_VDC_RISE),
+	REGMAP_IRQ_REG(RK806_IRQ_VDC_FALL, 0, RK806_INT_STS_VDC_FALL),
+	REGMAP_IRQ_REG(RK806_IRQ_VB_LO, 0, RK806_INT_STS_VB_LO),
+	/* INT_STS1 IRQs */
+	REGMAP_IRQ_REG(RK806_IRQ_REV0, 1, RK806_INT_STS_REV0),
+	REGMAP_IRQ_REG(RK806_IRQ_REV1, 1, RK806_INT_STS_REV1),
+	REGMAP_IRQ_REG(RK806_IRQ_REV2, 1, RK806_INT_STS_REV2),
+	REGMAP_IRQ_REG(RK806_IRQ_CRC_ERROR, 1, RK806_INT_STS_CRC_ERROR),
+	REGMAP_IRQ_REG(RK806_IRQ_SLP3_GPIO, 1, RK806_INT_STS_SLP3_GPIO),
+	REGMAP_IRQ_REG(RK806_IRQ_SLP2_GPIO, 1, RK806_INT_STS_SLP2_GPIO),
+	REGMAP_IRQ_REG(RK806_IRQ_SLP1_GPIO, 1, RK806_INT_STS_SLP1_GPIO),
+	REGMAP_IRQ_REG(RK806_IRQ_WDT, 1, RK806_INT_STS_WDT),
+};
+
 static const struct regmap_irq rk808_irqs[] = {
 	/* INT_STS */
 	[RK808_IRQ_VOUT_LO] = {
@@ -422,6 +465,18 @@ static struct regmap_irq_chip rk805_irq_chip = {
 	.init_ack_masked = true,
 };
 
+static struct regmap_irq_chip rk806_irq_chip = {
+	.name = "rk806",
+	.irqs = rk806_irqs,
+	.num_irqs = ARRAY_SIZE(rk806_irqs),
+	.num_regs = 2,
+	.irq_reg_stride = 2,
+	.mask_base = RK806_INT_MSK0,
+	.status_base = RK806_INT_STS0,
+	.ack_base = RK806_INT_STS0,
+	.init_ack_masked = true,
+};
+
 static const struct regmap_irq_chip rk808_irq_chip = {
 	.name = "rk808",
 	.irqs = rk808_irqs,
@@ -548,6 +603,7 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap
 	struct rk808 *rk808;
 	const struct rk808_reg_data *pre_init_reg;
 	const struct mfd_cell *cells;
+	int dual_support = 0;
 	int nr_pre_init_regs;
 	int nr_cells;
 	int ret;
@@ -569,6 +625,14 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap
 		cells = rk805s;
 		nr_cells = ARRAY_SIZE(rk805s);
 		break;
+	case RK806_ID:
+		rk808->regmap_irq_chip = &rk806_irq_chip;
+		pre_init_reg = rk806_pre_init_reg;
+		nr_pre_init_regs = ARRAY_SIZE(rk806_pre_init_reg);
+		cells = rk806s;
+		nr_cells = ARRAY_SIZE(rk806s);
+		dual_support = IRQF_SHARED;
+		break;
 	case RK808_ID:
 		rk808->regmap_irq_chip = &rk808_irq_chip;
 		pre_init_reg = rk808_pre_init_reg;
@@ -600,7 +664,7 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap
 		return dev_err_probe(dev, -EINVAL, "No interrupt support, no core IRQ\n");
 
 	ret = devm_regmap_add_irq_chip(dev, rk808->regmap, irq,
-				       IRQF_ONESHOT, -1,
+				       IRQF_ONESHOT | dual_support, -1,
 				       rk808->regmap_irq_chip, &rk808->irq_data);
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to add irq_chip\n");
@@ -615,8 +679,7 @@ int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap
 					     pre_init_reg[i].addr);
 	}
 
-	ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE,
-			      cells, nr_cells, NULL, 0,
+	ret = devm_mfd_add_devices(dev, 0, cells, nr_cells, NULL, 0,
 			      regmap_irq_get_domain(rk808->irq_data));
 	if (ret)
 		return dev_err_probe(dev, ret, "failed to add MFD devices\n");
diff --git a/drivers/mfd/rk8xx-spi.c b/drivers/mfd/rk8xx-spi.c
new file mode 100644
index 000000000000..3f6c5b1334f7
--- /dev/null
+++ b/drivers/mfd/rk8xx-spi.c
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip RK806 Core (SPI) driver
+ *
+ * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
+ * Copyright (c) 2023 Collabora Ltd.
+ *
+ * Author: Xu Shengfei <xsf@rock-chips.com>
+ * Author: Sebastian Reichel <sebastian.reichel@collabora.com>
+ */
+
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rk808.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#define RK806_CMD		0
+#define RK806_REG_ADDR_L	1
+#define RK806_REG_ADDR_H	2
+#define RK806_CMD_WITH_SIZE(CMD, VALUE_BYTES) \
+	(RK806_CMD_ ## CMD | (VALUE_BYTES-1))
+
+static const struct regmap_range rk806_volatile_ranges[] = {
+	regmap_reg_range(RK806_POWER_EN0, RK806_POWER_EN5),
+	regmap_reg_range(RK806_DVS_START_CTRL, RK806_INT_MSK1),
+};
+
+static const struct regmap_access_table rk806_volatile_table = {
+	.yes_ranges = rk806_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(rk806_volatile_ranges),
+};
+
+static const struct regmap_config rk806_regmap_config_spi = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.cache_type = REGCACHE_RBTREE,
+	.volatile_table = &rk806_volatile_table,
+};
+
+static int rk806_spi_bus_write(void *context, const void *vdata, size_t count)
+{
+	struct device *dev = context;
+	struct spi_device *spi = to_spi_device(dev);
+	const char *data = vdata;
+	char buffer[3] = { 0 };
+	struct spi_transfer xfer[2] = { 0 };
+	/* count includes the register size */
+	size_t val_size = count - 1;
+
+	if (val_size < 1 || val_size > 128)
+		return -EINVAL;
+
+	buffer[RK806_CMD]	 = RK806_CMD_WITH_SIZE(WRITE, val_size);
+	buffer[RK806_REG_ADDR_L] = data[0];
+	buffer[RK806_REG_ADDR_H] = RK806_REG_H;
+
+	xfer[0].tx_buf = buffer;
+	xfer[0].len = sizeof(buffer);
+	xfer[1].tx_buf = data + 1;
+	xfer[1].len = count - 1;
+
+	return spi_sync_transfer(spi, xfer, ARRAY_SIZE(xfer));
+}
+
+static int rk806_spi_bus_read(void *context, const void *vreg, size_t reg_size,
+			      void *val, size_t val_size)
+{
+	struct device *dev = context;
+	struct spi_device *spi = to_spi_device(dev);
+	const char *reg = vreg;
+	char txbuf[3] = { 0 };
+
+	if (reg_size != sizeof(char) || val_size < 1 || val_size > 128)
+		return -EINVAL;
+
+	txbuf[RK806_CMD]	= RK806_CMD_WITH_SIZE(READ, val_size);
+	txbuf[RK806_REG_ADDR_L]	= *reg;
+	txbuf[RK806_REG_ADDR_H]	= RK806_REG_H;
+
+	return spi_write_then_read(spi, txbuf, sizeof(txbuf), val, val_size);
+}
+
+static const struct regmap_bus rk806_regmap_bus_spi = {
+	.write = rk806_spi_bus_write,
+	.read = rk806_spi_bus_read,
+	.reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
+	.val_format_endian_default = REGMAP_ENDIAN_NATIVE,
+};
+
+static int rk8xx_spi_probe(struct spi_device *spi)
+{
+	struct regmap *regmap;
+
+	regmap = devm_regmap_init(&spi->dev, &rk806_regmap_bus_spi,
+				  &spi->dev, &rk806_regmap_config_spi);
+	if (IS_ERR(regmap))
+		return dev_err_probe(&spi->dev, PTR_ERR(regmap),
+				     "Failed to initialize register map\n");
+
+	return rk8xx_probe(&spi->dev, RK806_ID, spi->irq, regmap);
+}
+
+static const struct of_device_id rk8xx_spi_of_match[] = {
+	{ .compatible = "rockchip,rk806", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, rk8xx_spi_of_match);
+
+static const struct spi_device_id rk8xx_spi_id_table[] = {
+	{ "rk806", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, rk8xx_spi_id_table);
+
+static struct spi_driver rk8xx_spi_driver = {
+	.driver		= {
+		.name	= "rk8xx-spi",
+		.of_match_table = rk8xx_spi_of_match,
+	},
+	.probe		= rk8xx_spi_probe,
+	.id_table	= rk8xx_spi_id_table,
+};
+module_spi_driver(rk8xx_spi_driver);
+
+MODULE_AUTHOR("Xu Shengfei <xsf@rock-chips.com>");
+MODULE_DESCRIPTION("RK8xx SPI PMIC driver");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 4183427a80fe..78e167a92483 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -289,6 +289,414 @@ enum rk805_reg {
 #define RK805_INT_ALARM_EN		(1 << 3)
 #define RK805_INT_TIMER_EN		(1 << 2)
 
+/* RK806 */
+#define RK806_POWER_EN0			0x0
+#define RK806_POWER_EN1			0x1
+#define RK806_POWER_EN2			0x2
+#define RK806_POWER_EN3			0x3
+#define RK806_POWER_EN4			0x4
+#define RK806_POWER_EN5			0x5
+#define RK806_POWER_SLP_EN0		0x6
+#define RK806_POWER_SLP_EN1		0x7
+#define RK806_POWER_SLP_EN2		0x8
+#define RK806_POWER_DISCHRG_EN0		0x9
+#define RK806_POWER_DISCHRG_EN1		0xA
+#define RK806_POWER_DISCHRG_EN2		0xB
+#define RK806_BUCK_FB_CONFIG		0xC
+#define RK806_SLP_LP_CONFIG		0xD
+#define RK806_POWER_FPWM_EN0		0xE
+#define RK806_POWER_FPWM_EN1		0xF
+#define RK806_BUCK1_CONFIG		0x10
+#define RK806_BUCK2_CONFIG		0x11
+#define RK806_BUCK3_CONFIG		0x12
+#define RK806_BUCK4_CONFIG		0x13
+#define RK806_BUCK5_CONFIG		0x14
+#define RK806_BUCK6_CONFIG		0x15
+#define RK806_BUCK7_CONFIG		0x16
+#define RK806_BUCK8_CONFIG		0x17
+#define RK806_BUCK9_CONFIG		0x18
+#define RK806_BUCK10_CONFIG		0x19
+#define RK806_BUCK1_ON_VSEL		0x1A
+#define RK806_BUCK2_ON_VSEL		0x1B
+#define RK806_BUCK3_ON_VSEL		0x1C
+#define RK806_BUCK4_ON_VSEL		0x1D
+#define RK806_BUCK5_ON_VSEL		0x1E
+#define RK806_BUCK6_ON_VSEL		0x1F
+#define RK806_BUCK7_ON_VSEL		0x20
+#define RK806_BUCK8_ON_VSEL		0x21
+#define RK806_BUCK9_ON_VSEL		0x22
+#define RK806_BUCK10_ON_VSEL		0x23
+#define RK806_BUCK1_SLP_VSEL		0x24
+#define RK806_BUCK2_SLP_VSEL		0x25
+#define RK806_BUCK3_SLP_VSEL		0x26
+#define RK806_BUCK4_SLP_VSEL		0x27
+#define RK806_BUCK5_SLP_VSEL		0x28
+#define RK806_BUCK6_SLP_VSEL		0x29
+#define RK806_BUCK7_SLP_VSEL		0x2A
+#define RK806_BUCK8_SLP_VSEL		0x2B
+#define RK806_BUCK9_SLP_VSEL		0x2D
+#define RK806_BUCK10_SLP_VSEL		0x2E
+#define RK806_BUCK_DEBUG1		0x30
+#define RK806_BUCK_DEBUG2		0x31
+#define RK806_BUCK_DEBUG3		0x32
+#define RK806_BUCK_DEBUG4		0x33
+#define RK806_BUCK_DEBUG5		0x34
+#define RK806_BUCK_DEBUG6		0x35
+#define RK806_BUCK_DEBUG7		0x36
+#define RK806_BUCK_DEBUG8		0x37
+#define RK806_BUCK_DEBUG9		0x38
+#define RK806_BUCK_DEBUG10		0x39
+#define RK806_BUCK_DEBUG11		0x3A
+#define RK806_BUCK_DEBUG12		0x3B
+#define RK806_BUCK_DEBUG13		0x3C
+#define RK806_BUCK_DEBUG14		0x3D
+#define RK806_BUCK_DEBUG15		0x3E
+#define RK806_BUCK_DEBUG16		0x3F
+#define RK806_BUCK_DEBUG17		0x40
+#define RK806_BUCK_DEBUG18		0x41
+#define RK806_NLDO_IMAX			0x42
+#define RK806_NLDO1_ON_VSEL		0x43
+#define RK806_NLDO2_ON_VSEL		0x44
+#define RK806_NLDO3_ON_VSEL		0x45
+#define RK806_NLDO4_ON_VSEL		0x46
+#define RK806_NLDO5_ON_VSEL		0x47
+#define RK806_NLDO1_SLP_VSEL		0x48
+#define RK806_NLDO2_SLP_VSEL		0x49
+#define RK806_NLDO3_SLP_VSEL		0x4A
+#define RK806_NLDO4_SLP_VSEL		0x4B
+#define RK806_NLDO5_SLP_VSEL		0x4C
+#define RK806_PLDO_IMAX			0x4D
+#define RK806_PLDO1_ON_VSEL		0x4E
+#define RK806_PLDO2_ON_VSEL		0x4F
+#define RK806_PLDO3_ON_VSEL		0x50
+#define RK806_PLDO4_ON_VSEL		0x51
+#define RK806_PLDO5_ON_VSEL		0x52
+#define RK806_PLDO6_ON_VSEL		0x53
+#define RK806_PLDO1_SLP_VSEL		0x54
+#define RK806_PLDO2_SLP_VSEL		0x55
+#define RK806_PLDO3_SLP_VSEL		0x56
+#define RK806_PLDO4_SLP_VSEL		0x57
+#define RK806_PLDO5_SLP_VSEL		0x58
+#define RK806_PLDO6_SLP_VSEL		0x59
+#define RK806_CHIP_NAME			0x5A
+#define RK806_CHIP_VER			0x5B
+#define RK806_OTP_VER			0x5C
+#define RK806_SYS_STS			0x5D
+#define RK806_SYS_CFG0			0x5E
+#define RK806_SYS_CFG1			0x5F
+#define RK806_SYS_OPTION		0x61
+#define RK806_SLEEP_CONFIG0		0x62
+#define RK806_SLEEP_CONFIG1		0x63
+#define RK806_SLEEP_CTR_SEL0		0x64
+#define RK806_SLEEP_CTR_SEL1		0x65
+#define RK806_SLEEP_CTR_SEL2		0x66
+#define RK806_SLEEP_CTR_SEL3		0x67
+#define RK806_SLEEP_CTR_SEL4		0x68
+#define RK806_SLEEP_CTR_SEL5		0x69
+#define RK806_DVS_CTRL_SEL0		0x6A
+#define RK806_DVS_CTRL_SEL1		0x6B
+#define RK806_DVS_CTRL_SEL2		0x6C
+#define RK806_DVS_CTRL_SEL3		0x6D
+#define RK806_DVS_CTRL_SEL4		0x6E
+#define RK806_DVS_CTRL_SEL5		0x6F
+#define RK806_DVS_START_CTRL		0x70
+#define RK806_SLEEP_GPIO		0x71
+#define RK806_SYS_CFG3			0x72
+#define RK806_ON_SOURCE			0x74
+#define RK806_OFF_SOURCE		0x75
+#define RK806_PWRON_KEY			0x76
+#define RK806_INT_STS0			0x77
+#define RK806_INT_MSK0			0x78
+#define RK806_INT_STS1			0x79
+#define RK806_INT_MSK1			0x7A
+#define RK806_GPIO_INT_CONFIG		0x7B
+#define RK806_DATA_REG0			0x7C
+#define RK806_DATA_REG1			0x7D
+#define RK806_DATA_REG2			0x7E
+#define RK806_DATA_REG3			0x7F
+#define RK806_DATA_REG4			0x80
+#define RK806_DATA_REG5			0x81
+#define RK806_DATA_REG6			0x82
+#define RK806_DATA_REG7			0x83
+#define RK806_DATA_REG8			0x84
+#define RK806_DATA_REG9			0x85
+#define RK806_DATA_REG10		0x86
+#define RK806_DATA_REG11		0x87
+#define RK806_DATA_REG12		0x88
+#define RK806_DATA_REG13		0x89
+#define RK806_DATA_REG14		0x8A
+#define RK806_DATA_REG15		0x8B
+#define RK806_TM_REG			0x8C
+#define RK806_OTP_EN_REG		0x8D
+#define RK806_FUNC_OTP_EN_REG		0x8E
+#define RK806_TEST_REG1			0x8F
+#define RK806_TEST_REG2			0x90
+#define RK806_TEST_REG3			0x91
+#define RK806_TEST_REG4			0x92
+#define RK806_TEST_REG5			0x93
+#define RK806_BUCK_VSEL_OTP_REG0	0x94
+#define RK806_BUCK_VSEL_OTP_REG1	0x95
+#define RK806_BUCK_VSEL_OTP_REG2	0x96
+#define RK806_BUCK_VSEL_OTP_REG3	0x97
+#define RK806_BUCK_VSEL_OTP_REG4	0x98
+#define RK806_BUCK_VSEL_OTP_REG5	0x99
+#define RK806_BUCK_VSEL_OTP_REG6	0x9A
+#define RK806_BUCK_VSEL_OTP_REG7	0x9B
+#define RK806_BUCK_VSEL_OTP_REG8	0x9C
+#define RK806_BUCK_VSEL_OTP_REG9	0x9D
+#define RK806_NLDO1_VSEL_OTP_REG0	0x9E
+#define RK806_NLDO1_VSEL_OTP_REG1	0x9F
+#define RK806_NLDO1_VSEL_OTP_REG2	0xA0
+#define RK806_NLDO1_VSEL_OTP_REG3	0xA1
+#define RK806_NLDO1_VSEL_OTP_REG4	0xA2
+#define RK806_PLDO_VSEL_OTP_REG0	0xA3
+#define RK806_PLDO_VSEL_OTP_REG1	0xA4
+#define RK806_PLDO_VSEL_OTP_REG2	0xA5
+#define RK806_PLDO_VSEL_OTP_REG3	0xA6
+#define RK806_PLDO_VSEL_OTP_REG4	0xA7
+#define RK806_PLDO_VSEL_OTP_REG5	0xA8
+#define RK806_BUCK_EN_OTP_REG1		0xA9
+#define RK806_NLDO_EN_OTP_REG1		0xAA
+#define RK806_PLDO_EN_OTP_REG1		0xAB
+#define RK806_BUCK_FB_RES_OTP_REG1	0xAC
+#define RK806_OTP_RESEV_REG0		0xAD
+#define RK806_OTP_RESEV_REG1		0xAE
+#define RK806_OTP_RESEV_REG2		0xAF
+#define RK806_OTP_RESEV_REG3		0xB0
+#define RK806_OTP_RESEV_REG4		0xB1
+#define RK806_BUCK_SEQ_REG0		0xB2
+#define RK806_BUCK_SEQ_REG1		0xB3
+#define RK806_BUCK_SEQ_REG2		0xB4
+#define RK806_BUCK_SEQ_REG3		0xB5
+#define RK806_BUCK_SEQ_REG4		0xB6
+#define RK806_BUCK_SEQ_REG5		0xB7
+#define RK806_BUCK_SEQ_REG6		0xB8
+#define RK806_BUCK_SEQ_REG7		0xB9
+#define RK806_BUCK_SEQ_REG8		0xBA
+#define RK806_BUCK_SEQ_REG9		0xBB
+#define RK806_BUCK_SEQ_REG10		0xBC
+#define RK806_BUCK_SEQ_REG11		0xBD
+#define RK806_BUCK_SEQ_REG12		0xBE
+#define RK806_BUCK_SEQ_REG13		0xBF
+#define RK806_BUCK_SEQ_REG14		0xC0
+#define RK806_BUCK_SEQ_REG15		0xC1
+#define RK806_BUCK_SEQ_REG16		0xC2
+#define RK806_BUCK_SEQ_REG17		0xC3
+#define RK806_HK_TRIM_REG1		0xC4
+#define RK806_HK_TRIM_REG2		0xC5
+#define RK806_BUCK_REF_TRIM_REG1	0xC6
+#define RK806_BUCK_REF_TRIM_REG2	0xC7
+#define RK806_BUCK_REF_TRIM_REG3	0xC8
+#define RK806_BUCK_REF_TRIM_REG4	0xC9
+#define RK806_BUCK_REF_TRIM_REG5	0xCA
+#define RK806_BUCK_OSC_TRIM_REG1	0xCB
+#define RK806_BUCK_OSC_TRIM_REG2	0xCC
+#define RK806_BUCK_OSC_TRIM_REG3	0xCD
+#define RK806_BUCK_OSC_TRIM_REG4	0xCE
+#define RK806_BUCK_OSC_TRIM_REG5	0xCF
+#define RK806_BUCK_TRIM_ZCDIOS_REG1	0xD0
+#define RK806_BUCK_TRIM_ZCDIOS_REG2	0xD1
+#define RK806_NLDO_TRIM_REG1		0xD2
+#define RK806_NLDO_TRIM_REG2		0xD3
+#define RK806_NLDO_TRIM_REG3		0xD4
+#define RK806_PLDO_TRIM_REG1		0xD5
+#define RK806_PLDO_TRIM_REG2		0xD6
+#define RK806_PLDO_TRIM_REG3		0xD7
+#define RK806_TRIM_ICOMP_REG1		0xD8
+#define RK806_TRIM_ICOMP_REG2		0xD9
+#define RK806_EFUSE_CONTROL_REGH	0xDA
+#define RK806_FUSE_PROG_REG		0xDB
+#define RK806_MAIN_FSM_STS_REG		0xDD
+#define RK806_FSM_REG			0xDE
+#define RK806_TOP_RESEV_OFFR		0xEC
+#define RK806_TOP_RESEV_POR		0xED
+#define RK806_BUCK_VRSN_REG1		0xEE
+#define RK806_BUCK_VRSN_REG2		0xEF
+#define RK806_NLDO_RLOAD_SEL_REG1	0xF0
+#define RK806_PLDO_RLOAD_SEL_REG1	0xF1
+#define RK806_PLDO_RLOAD_SEL_REG2	0xF2
+#define RK806_BUCK_CMIN_MX_REG1		0xF3
+#define RK806_BUCK_CMIN_MX_REG2		0xF4
+#define RK806_BUCK_FREQ_SET_REG1	0xF5
+#define RK806_BUCK_FREQ_SET_REG2	0xF6
+#define RK806_BUCK_RS_MEABS_REG1	0xF7
+#define RK806_BUCK_RS_MEABS_REG2	0xF8
+#define RK806_BUCK_RS_ZDLEB_REG1	0xF9
+#define RK806_BUCK_RS_ZDLEB_REG2	0xFA
+#define RK806_BUCK_RSERVE_REG1		0xFB
+#define RK806_BUCK_RSERVE_REG2		0xFC
+#define RK806_BUCK_RSERVE_REG3		0xFD
+#define RK806_BUCK_RSERVE_REG4		0xFE
+#define RK806_BUCK_RSERVE_REG5		0xFF
+
+/* INT_STS Register field definitions */
+#define RK806_INT_STS_PWRON_FALL	BIT(0)
+#define RK806_INT_STS_PWRON_RISE	BIT(1)
+#define RK806_INT_STS_PWRON		BIT(2)
+#define RK806_INT_STS_PWRON_LP		BIT(3)
+#define RK806_INT_STS_HOTDIE		BIT(4)
+#define RK806_INT_STS_VDC_RISE		BIT(5)
+#define RK806_INT_STS_VDC_FALL		BIT(6)
+#define RK806_INT_STS_VB_LO		BIT(7)
+#define RK806_INT_STS_REV0		BIT(0)
+#define RK806_INT_STS_REV1		BIT(1)
+#define RK806_INT_STS_REV2		BIT(2)
+#define RK806_INT_STS_CRC_ERROR		BIT(3)
+#define RK806_INT_STS_SLP3_GPIO		BIT(4)
+#define RK806_INT_STS_SLP2_GPIO		BIT(5)
+#define RK806_INT_STS_SLP1_GPIO		BIT(6)
+#define RK806_INT_STS_WDT		BIT(7)
+
+/* SPI command */
+#define RK806_CMD_READ			0
+#define RK806_CMD_WRITE			BIT(7)
+#define RK806_CMD_CRC_EN		BIT(6)
+#define RK806_CMD_CRC_DIS		0
+#define RK806_CMD_LEN_MSK		0x0f
+#define RK806_REG_H			0x00
+
+#define VERSION_AB		0x01
+
+enum rk806_reg_id {
+	RK806_ID_DCDC1 = 0,
+	RK806_ID_DCDC2,
+	RK806_ID_DCDC3,
+	RK806_ID_DCDC4,
+	RK806_ID_DCDC5,
+	RK806_ID_DCDC6,
+	RK806_ID_DCDC7,
+	RK806_ID_DCDC8,
+	RK806_ID_DCDC9,
+	RK806_ID_DCDC10,
+
+	RK806_ID_NLDO1,
+	RK806_ID_NLDO2,
+	RK806_ID_NLDO3,
+	RK806_ID_NLDO4,
+	RK806_ID_NLDO5,
+
+	RK806_ID_PLDO1,
+	RK806_ID_PLDO2,
+	RK806_ID_PLDO3,
+	RK806_ID_PLDO4,
+	RK806_ID_PLDO5,
+	RK806_ID_PLDO6,
+	RK806_ID_END,
+};
+
+/* Define the RK806 IRQ numbers */
+enum rk806_irqs {
+	/* INT_STS0 registers */
+	RK806_IRQ_PWRON_FALL,
+	RK806_IRQ_PWRON_RISE,
+	RK806_IRQ_PWRON,
+	RK806_IRQ_PWRON_LP,
+	RK806_IRQ_HOTDIE,
+	RK806_IRQ_VDC_RISE,
+	RK806_IRQ_VDC_FALL,
+	RK806_IRQ_VB_LO,
+
+	/* INT_STS0 registers */
+	RK806_IRQ_REV0,
+	RK806_IRQ_REV1,
+	RK806_IRQ_REV2,
+	RK806_IRQ_CRC_ERROR,
+	RK806_IRQ_SLP3_GPIO,
+	RK806_IRQ_SLP2_GPIO,
+	RK806_IRQ_SLP1_GPIO,
+	RK806_IRQ_WDT,
+};
+
+/* VCC1 Low Voltage Threshold */
+enum rk806_lv_sel {
+	VB_LO_SEL_2800,
+	VB_LO_SEL_2900,
+	VB_LO_SEL_3000,
+	VB_LO_SEL_3100,
+	VB_LO_SEL_3200,
+	VB_LO_SEL_3300,
+	VB_LO_SEL_3400,
+	VB_LO_SEL_3500,
+};
+
+/* System Shutdown Voltage Select */
+enum rk806_uv_sel {
+	VB_UV_SEL_2700,
+	VB_UV_SEL_2800,
+	VB_UV_SEL_2900,
+	VB_UV_SEL_3000,
+	VB_UV_SEL_3100,
+	VB_UV_SEL_3200,
+	VB_UV_SEL_3300,
+	VB_UV_SEL_3400,
+};
+
+/* Pin Function */
+enum rk806_pwrctrl_fun {
+	PWRCTRL_NULL_FUN,
+	PWRCTRL_SLP_FUN,
+	PWRCTRL_POWOFF_FUN,
+	PWRCTRL_RST_FUN,
+	PWRCTRL_DVS_FUN,
+	PWRCTRL_GPIO_FUN,
+};
+
+/* Pin Polarity */
+enum rk806_pin_level {
+	POL_LOW,
+	POL_HIGH,
+};
+
+enum rk806_vsel_ctr_sel {
+	CTR_BY_NO_EFFECT,
+	CTR_BY_PWRCTRL1,
+	CTR_BY_PWRCTRL2,
+	CTR_BY_PWRCTRL3,
+};
+
+enum rk806_dvs_ctr_sel {
+	CTR_SEL_NO_EFFECT,
+	CTR_SEL_DVS_START1,
+	CTR_SEL_DVS_START2,
+	CTR_SEL_DVS_START3,
+};
+
+enum rk806_pin_dr_sel {
+	RK806_PIN_INPUT,
+	RK806_PIN_OUTPUT,
+};
+
+#define RK806_INT_POL_MSK		BIT(1)
+#define RK806_INT_POL_H			BIT(1)
+#define RK806_INT_POL_L			0
+
+#define RK806_SLAVE_RESTART_FUN_MSK	BIT(1)
+#define RK806_SLAVE_RESTART_FUN_EN	BIT(1)
+#define RK806_SLAVE_RESTART_FUN_OFF	0
+
+#define RK806_SYS_ENB2_2M_MSK		BIT(1)
+#define RK806_SYS_ENB2_2M_EN		BIT(1)
+#define RK806_SYS_ENB2_2M_OFF		0
+
+enum rk806_int_fun {
+	RK806_INT_ONLY,
+	RK806_INT_ADN_WKUP,
+};
+
+enum rk806_dvs_mode {
+	RK806_DVS_NOT_SUPPORT,
+	RK806_DVS_START1,
+	RK806_DVS_START2,
+	RK806_DVS_START3,
+	RK806_DVS_PWRCTRL1,
+	RK806_DVS_PWRCTRL2,
+	RK806_DVS_PWRCTRL3,
+	RK806_DVS_START_PWRCTR1,
+	RK806_DVS_START_PWRCTR2,
+	RK806_DVS_START_PWRCTR3,
+	RK806_DVS_END,
+};
+
 /* RK808 IRQ Definitions */
 #define RK808_IRQ_VOUT_LO	0
 #define RK808_IRQ_VB_LO		1
@@ -780,6 +1188,7 @@ enum {
 
 enum {
 	RK805_ID = 0x8050,
+	RK806_ID = 0x8060,
 	RK808_ID = 0x0000,
 	RK809_ID = 0x8090,
 	RK817_ID = 0x8170,
