diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index 1abe7432aad8..01473d6fda21 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -12,6 +12,7 @@
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/core.h>
+#include <linux/mfd/mc34708.h>
 
 #include "mc13xxx.h"
 
@@ -45,6 +46,8 @@
 
 #define MC13XXX_ADC2		45
 
+#define MC13XXX_ADC_WORKING		(1 << 0)
+
 void mc13xxx_lock(struct mc13xxx *mc13xxx)
 {
 	if (!mutex_trylock(&mc13xxx->lock)) {
@@ -198,22 +201,30 @@ static void mc34708_print_revision(struct mc13xxx *mc13xxx, u32 revision)
 			maskval(revision, MC34708_REVISION_FAB));
 }
 
+static int mc13xxx_adc_conversion(struct mc13xxx *, unsigned int,
+				  unsigned int, u8, bool, unsigned int *);
+static int mc34708_adc_conversion(struct mc13xxx *, unsigned int,
+				  unsigned int, u8, bool, unsigned int *);
+
 /* These are only exported for mc13xxx-i2c and mc13xxx-spi */
 struct mc13xxx_variant mc13xxx_variant_mc13783 = {
 	.name = "mc13783",
 	.print_revision = mc13xxx_print_revision,
+	.adc_do_conversion = mc13xxx_adc_conversion,
 };
 EXPORT_SYMBOL_GPL(mc13xxx_variant_mc13783);
 
 struct mc13xxx_variant mc13xxx_variant_mc13892 = {
 	.name = "mc13892",
 	.print_revision = mc13xxx_print_revision,
+	.adc_do_conversion = mc13xxx_adc_conversion,
 };
 EXPORT_SYMBOL_GPL(mc13xxx_variant_mc13892);
 
 struct mc13xxx_variant mc13xxx_variant_mc34708 = {
 	.name = "mc34708",
 	.print_revision = mc34708_print_revision,
+	.adc_do_conversion = mc34708_adc_conversion,
 };
 EXPORT_SYMBOL_GPL(mc13xxx_variant_mc34708);
 
@@ -249,7 +260,7 @@ static irqreturn_t mc13xxx_handler_adcdone(int irq, void *data)
 
 #define MC13XXX_ADC_WORKING (1 << 0)
 
-int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
+static int mc13xxx_adc_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
 		unsigned int channel, u8 ato, bool atox,
 		unsigned int *sample)
 {
@@ -358,6 +369,95 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
 
 	return ret;
 }
+
+static int mc34708_adc_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
+		unsigned int channel, u8 ato, bool atox,
+		unsigned int *sample)
+{
+	int ret, i;
+	u32 adc0, adc3, adc1, old_adc0;
+	struct mc13xxx_adcdone_data adcdone_data = {
+		.mc13xxx = mc13xxx,
+	};
+
+	switch (mode) {
+	case MC13XXX_ADC_MODE_TS:
+		adc0 = MC34708_ADC0_TSEN | MC34708_ADC0_TSSTART |
+			MC34708_ADC0_TSSTOP(7);
+
+		adc1 = MC34708_ADC1_TSDLY1(0xf) |
+			MC34708_ADC1_TSDLY2(0xf) |
+			MC34708_ADC1_TSDLY3(0xf);
+
+		adc3 = MC34708_ADC3_TSSEL(0, MC34708_TS_X) |
+			MC34708_ADC3_TSSEL(1, MC34708_TS_Y) |
+			MC34708_ADC3_TSSEL(2, MC34708_TS_X) |
+			MC34708_ADC3_TSSEL(3, MC34708_TS_Y) |
+			MC34708_ADC3_TSSEL(4, MC34708_TS_X) |
+			MC34708_ADC3_TSSEL(5, MC34708_TS_R) |
+			MC34708_ADC3_TSSEL(6, MC34708_TS_Y) |
+			MC34708_ADC3_TSSEL(7, MC34708_TS_R);
+		break;
+
+	case MC13XXX_ADC_MODE_SINGLE_CHAN:
+	case MC13XXX_ADC_MODE_MULT_CHAN:
+	default:
+		return -EINVAL;
+	}
+
+	init_completion(&adcdone_data.done);
+
+	mc13xxx_lock(mc13xxx);
+
+	if (mc13xxx->adcflags & MC13XXX_ADC_WORKING) {
+		mc13xxx_unlock(mc13xxx);
+		return -EBUSY;
+	}
+
+	mc13xxx->adcflags |= MC13XXX_ADC_WORKING;
+
+	mc13xxx_reg_read(mc13xxx, MC13XXX_ADC0, &old_adc0);
+
+	mc13xxx_irq_request(mc13xxx, MC34708_IRQ_TSDONE,
+			mc13xxx_handler_adcdone, __func__, &adcdone_data);
+	mc13xxx_irq_ack(mc13xxx, MC34708_IRQ_TSDONE);
+
+	mc13xxx_reg_write(mc13xxx, MC34708_ADC3, adc3);
+	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC1, adc1);
+	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, adc0);
+
+	mc13xxx_unlock(mc13xxx);
+
+	ret = wait_for_completion_interruptible_timeout(&adcdone_data.done, HZ);
+
+	mc13xxx_lock(mc13xxx);
+
+	mc13xxx_irq_free(mc13xxx, MC34708_IRQ_TSDONE, &adcdone_data);
+
+	if (!ret) {
+		ret = -ETIMEDOUT;
+		goto out;
+	}
+
+	for (i = 0; i < 4; i++)
+		mc13xxx_reg_read(mc13xxx, MC34708_ADC4 + i, &sample[i]);
+
+out:
+	ret = mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, old_adc0);
+
+	mc13xxx->adcflags &= ~MC13XXX_ADC_WORKING;
+	mc13xxx_unlock(mc13xxx);
+
+	return ret;
+}
+
+int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
+		unsigned int channel, u8 ato, bool atox,
+		unsigned int *sample)
+{
+	return mc13xxx->variant->adc_do_conversion(mc13xxx, mode, channel, ato,
+			atox, sample);
+}
 EXPORT_SYMBOL_GPL(mc13xxx_adc_do_conversion);
 
 static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx,
diff --git a/drivers/mfd/mc13xxx.h b/drivers/mfd/mc13xxx.h
index ce6eec52e8eb..0a79fbb8bcb4 100644
--- a/drivers/mfd/mc13xxx.h
+++ b/drivers/mfd/mc13xxx.h
@@ -19,6 +19,9 @@ struct mc13xxx;
 struct mc13xxx_variant {
 	const char *name;
 	void (*print_revision)(struct mc13xxx *mc13xxx, u32 revision);
+	int (*adc_do_conversion)(struct mc13xxx *mc13xxx, unsigned int mode,
+		unsigned int channel, u8 ato, bool atox,
+		unsigned int *sample);
 };
 
 extern struct mc13xxx_variant
diff --git a/include/linux/mfd/mc34708.h b/include/linux/mfd/mc34708.h
new file mode 100644
index 000000000000..c812104dc53d
--- /dev/null
+++ b/include/linux/mfd/mc34708.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2019
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ */
+#ifndef __LINUX_MFD_MC34708_H
+#define __LINUX_MFD_MC34708_H
+
+#define MC34708_ADC3			46
+#define MC34708_ADC4			47
+
+#define MC34708_IRQ_TSDONE		1
+
+#define MC34708_ADC0_TSEN		BIT(12)
+#define MC34708_ADC0_TSSTART		BIT(13)
+#define MC34708_ADC0_TSCONT		BIT(14)
+#define MC34708_ADC0_TSHOLD		BIT(15)
+#define MC34708_ADC0_TSPENDETEN		BIT(20)
+
+#define MC34708_ADC0_TSMASK            (MC34708_ADC0_TSPENDETEN | \
+					MC34708_ADC0_TSEN |       \
+					MC34708_ADC0_TSSTART |    \
+					MC34708_ADC0_TSCONT |     \
+					MC34708_ADC0_TSHOLD)
+
+#define MC34708_ADC0_TSSTOP(x)		(((x) & 0x7) << 16)
+
+#define MC34708_ADC3_TSSEL(step, ch)	((ch) << (8 + 2 * (step)))
+#define MC34708_ADC1_TSDLY1(d)		((d) << 12)
+#define MC34708_ADC1_TSDLY2(d)		((d) << 16)
+#define MC34708_ADC1_TSDLY3(d)		((d) << 20)
+
+#define MC34708_TS_X			1
+#define MC34708_TS_Y			2
+#define MC34708_TS_R			3
+
+#endif /* __LINUX_MFD_MC34708_H */
