Merge branch 'master' of git://git.denx.de/u-boot-samsung

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;
+				};
+			};
+		};
+	};
+
 };

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

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

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

drivers/power/pmic/max8998.c

+/*
+ *  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,
+};