diff --git a/arch/arm/dts/s5pc1xx-goni.dts b/arch/arm/dts/s5pc1xx-goni.dts
index 7bbfe591cd88e1ae45bc25e7cbaf5d8a2fe5c67c..e80132dd99f3652d0c37165ca64ea3467805124b 100644
--- a/arch/arm/dts/s5pc1xx-goni.dts
+++ b/arch/arm/dts/s5pc1xx-goni.dts
@@ -19,6 +19,7 @@
serial2 = "/serial@e2900800";
console = "/serial@e2900800";
pinctrl0 = &pinctrl0;
+ i2c3 = &i2c_pmic;
};
pinctrl0: pinctrl@e0200000 {
@@ -32,4 +33,168 @@
id = <2>;
};
+ i2c_pmic: i2c-pmic {
+ compatible = "i2c-gpio";
+ gpios = <&gpj4 0 0>, /* sda */
+ <&gpj4 3 0>; /* scl */
+ i2c-gpio,delay-us = <2>; /* ~100 kHz */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ pmic@66 {
+ compatible = "maxim,max8998";
+ reg = <0x66 0 0>;
+
+ voltage-regulators {
+ ldo2_reg: LDO2 {
+ regulator-compatible = "LDO2";
+ regulator-name = "VALIVE_1.1V";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-always-on;
+ };
+
+ ldo3_reg: LDO3 {
+ regulator-compatible = "LDO3";
+ regulator-name = "VUSB+MIPI_1.1V";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-always-on;
+ };
+
+ ldo4_reg: LDO4 {
+ regulator-compatible = "LDO4";
+ regulator-name = "VADC_3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ldo5_reg: LDO5 {
+ regulator-compatible = "LDO5";
+ regulator-name = "VTF_2.8V";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ ldo6_reg: LDO6 {
+ regulator-compatible = "LDO6";
+ regulator-name = "VCC_3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ldo7_reg: LDO7 {
+ regulator-compatible = "LDO7";
+ regulator-name = "VLCD_1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo8_reg: LDO8 {
+ regulator-compatible = "LDO8";
+ regulator-name = "VUSB+VDAC_3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ldo9_reg: LDO9 {
+ regulator-compatible = "LDO9";
+ regulator-name = "VCC+VCAM_2.8V";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ ldo10_reg: LDO10 {
+ regulator-compatible = "LDO10";
+ regulator-name = "VPLL_1.1V";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-boot-on;
+ };
+
+ ldo11_reg: LDO11 {
+ regulator-compatible = "LDO11";
+ regulator-name = "CAM_IO_2.8V";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ ldo12_reg: LDO12 {
+ regulator-compatible = "LDO12";
+ regulator-name = "CAM_ISP_1.2V";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ ldo13_reg: LDO13 {
+ regulator-compatible = "LDO13";
+ regulator-name = "CAM_A_2.8V";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ ldo14_reg: LDO14 {
+ regulator-compatible = "LDO14";
+ regulator-name = "CAM_CIF_1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ ldo15_reg: LDO15 {
+ regulator-compatible = "LDO15";
+ regulator-name = "CAM_AF_3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ldo16_reg: LDO16 {
+ regulator-compatible = "LDO16";
+ regulator-name = "VMIPI_1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ ldo17_reg: LDO17 {
+ regulator-compatible = "LDO17";
+ regulator-name = "CAM_8M_1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ buck1_reg: BUCK1 {
+ regulator-compatible = "BUCK1";
+ regulator-name = "VARM_1.2V";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ buck2_reg: BUCK2 {
+ regulator-compatible = "BUCK2";
+ regulator-name = "VINT_1.2V";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ buck3_reg: BUCK3 {
+ regulator-compatible = "BUCK3";
+ regulator-name = "VCC_1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ buck4_reg: BUCK4 {
+ regulator-compatible = "BUCK4";
+ regulator-name = "CAM_CORE_1.2V";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ };
+ };
+ };
+ };
+
};
diff --git a/configs/s5p_goni_defconfig b/configs/s5p_goni_defconfig
index 4cbf0220803201de8c71ae63466202fc60ebb6d9..aa61ef42489d2c2e21b6a9c2d2a6bb8c279dc17f 100644
--- a/configs/s5p_goni_defconfig
+++ b/configs/s5p_goni_defconfig
@@ -29,3 +29,6 @@ CONFIG_USB_GADGET_DOWNLOAD=y
CONFIG_G_DNL_MANUFACTURER="Samsung"
CONFIG_G_DNL_VENDOR_NUM=0x04e8
CONFIG_G_DNL_PRODUCT_NUM=0x6601
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_MAX8998=y
+CONFIG_DM_I2C_GPIO=y
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index ce204b36caad6ca83cf46541ee5a02cdf2386ab1..5e244c8741c2255fed7a09e7d75896546f1964c7 100644
--- a/drivers/power/pmic/Kconfig
+++ b/drivers/power/pmic/Kconfig
@@ -54,6 +54,13 @@ config DM_PMIC_MAX77686
This config enables implementation of driver-model pmic uclass features
for PMIC MAX77686. The driver implements read/write operations.
+config DM_PMIC_MAX8998
+ bool "Enable Driver Model for PMIC MAX8998"
+ depends on DM_PMIC
+ ---help---
+ This config enables implementation of driver-model pmic uclass features
+ for PMIC MAX8998. The driver implements read/write operations.
+
config PMIC_PM8916
bool "Enable Driver Model for Qualcomm PM8916 PMIC"
depends on DM_PMIC
diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
index cd1c6945cd2352a63e054286df658d6bd4fe18e9..b4ac7d26d0afd76689570cffcad3d35f00e08037 100644
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -7,6 +7,7 @@
obj-$(CONFIG_DM_PMIC) += pmic-uclass.o
obj-$(CONFIG_DM_PMIC_MAX77686) += max77686.o
+obj-$(CONFIG_DM_PMIC_MAX8998) += max8998.o
obj-$(CONFIG_DM_PMIC_PFUZE100) += pfuze100.o
obj-$(CONFIG_PMIC_S2MPS11) += s2mps11.o
obj-$(CONFIG_DM_PMIC_SANDBOX) += sandbox.o i2c_pmic_emul.o
diff --git a/drivers/power/pmic/max8998.c b/drivers/power/pmic/max8998.c
new file mode 100644
index 0000000000000000000000000000000000000000..3baa8da032ae264ac1bebd9927b4983c31f706ca
--- /dev/null
+++ b/drivers/power/pmic/max8998.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2016 Samsung Electronics
+ * Jaehoon Chung <jh80.chung@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/max8998_pmic.h>
+#include <errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int max8998_reg_count(struct udevice *dev)
+{
+ return PMIC_NUM_OF_REGS;
+}
+
+static int max8998_write(struct udevice *dev, uint reg, const uint8_t *buff,
+ int len)
+{
+ int ret;
+
+ ret = dm_i2c_write(dev, reg, buff, len);
+ if (ret)
+ error("write error to device: %p register: %#x!", dev, reg);
+
+ return ret;
+}
+
+static int max8998_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
+{
+ int ret;
+
+ ret = dm_i2c_read(dev, reg, buff, len);
+ if (ret)
+ error("read error from device: %p register: %#x!", dev, reg);
+
+ return ret;
+}
+
+static struct dm_pmic_ops max8998_ops = {
+ .reg_count = max8998_reg_count,
+ .read = max8998_read,
+ .write = max8998_write,
+};
+
+static const struct udevice_id max8998_ids[] = {
+ { .compatible = "maxim,max8998" },
+ { }
+};
+
+U_BOOT_DRIVER(pmic_max8998) = {
+ .name = "max8998_pmic",
+ .id = UCLASS_PMIC,
+ .of_match = max8998_ids,
+ .ops = &max8998_ops,
+};