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authorTom Rini <trini@konsulko.com>2016-12-23 10:17:22 -0500
committerTom Rini <trini@konsulko.com>2016-12-23 10:17:22 -0500
commit0683e7e0f3cf9e5e1d02c9a0bb57eecb203ab800 (patch)
treed753d9b52fecbccd6f26909221052645c2887f5b /drivers/power
parent9c4132b5267b8d58712077c1c231717c76c4d52f (diff)
parent9e26834f4945f7b1deb16bea1c06e7e0faaad848 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-samsung
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/pmic/Kconfig7
-rw-r--r--drivers/power/pmic/Makefile1
-rw-r--r--drivers/power/pmic/max8998.c61
3 files changed, 69 insertions, 0 deletions
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index ce204b36ca..5e244c8741 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 cd1c6945cd..b4ac7d26d0 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 0000000000..3baa8da032
--- /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,
+};