power: pmic: add the max8997 controller for DM

Add the max8997 controller for Driver model.
Exynos4210 is using max8997 pmic controller.
(pmic_max8997.c should be deprecated.)

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index e7cc4053a49a64619c35e8fd1d9e528d16c004f2..03fea078daa5a57b3f8b6908de60a3a0ab393246 100644 (file)
--- a/drivers/power/pmic/Kconfig
+++ b/drivers/power/pmic/Kconfig
@@ -61,6 +61,21 @@ config DM_PMIC_MAX8998
        This config enables implementation of driver-model pmic uclass features
        for PMIC MAX8998. The driver implements read/write operations.
 
+config PMIC_MAX8997
+       bool "Enable Driver Model for PMIC MAX8997"
+       depends on DM_PMIC
+       ---help---
+       This config enables implementation of driver-model pmic uclass features
+       for PMIC MAX8997. The driver implements read/write operations.
+       This is a Power Management IC with RTC, Fuel Gauge, MUIC control on Chip.
+       - 21x LDOs
+       - 12x GPIOs
+       - Haptic Motor driver
+       - RTC with two alarms
+       - Fueal Gauge and One backup battery charger
+       - MUIC
+       - Others
+
 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 861593978555e98fa52e35c9cec1f253753df4a1..40240c79362c91e3f647419fad2dca8cc546e876 100644 (file)
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_DM_PMIC_PFUZE100) += pfuze100.o
 obj-$(CONFIG_PMIC_S2MPS11) += s2mps11.o
 obj-$(CONFIG_DM_PMIC_SANDBOX) += sandbox.o i2c_pmic_emul.o
 obj-$(CONFIG_PMIC_ACT8846) += act8846.o
+obj-$(CONFIG_PMIC_MAX8997) += max8997.o
 obj-$(CONFIG_PMIC_PM8916) += pm8916.o
 obj-$(CONFIG_PMIC_RK808) += rk808.o
 obj-$(CONFIG_PMIC_RN5T567) += rn5t567.o

diff --git a/drivers/power/pmic/max8997.c b/drivers/power/pmic/max8997.c
new file mode 100644 (file)
index 0000000..f749d7d
--- /dev/null
+++ b/drivers/power/pmic/max8997.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/max8997_pmic.h>
+#include <errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int max8997_reg_count(struct udevice *dev)
+{
+       return PMIC_NUM_OF_REGS;
+}
+
+static int max8997_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 max8997_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 max8997_ops = {
+       .reg_count = max8997_reg_count,
+       .read   = max8997_read,
+       .write  = max8997_write,
+};
+
+static const struct udevice_id max8997_ids[] = {
+       { .compatible = "maxim,max8997" },
+       { },
+};
+
+U_BOOT_DRIVER(pmic_max8997) = {
+       .name           = "max8997_pmic",
+       .id             = UCLASS_PMIC,
+       .of_match       = max8997_ids,
+       .ops            = &max8997_ops,
+};

diff --git a/drivers/power/pmic/max8998.c b/drivers/power/pmic/max8998.c
index 3baa8da032ae264ac1bebd9927b4983c31f706ca..7c4773c7b3aa7309fbe08776645eb26b61e3492e 100644 (file)
--- a/drivers/power/pmic/max8998.c
+++ b/drivers/power/pmic/max8998.c
@@ -7,10 +7,10 @@
 
 #include <common.h>
 #include <dm.h>
+#include <errno.h>
 #include <i2c.h>
 #include <power/pmic.h>
 #include <power/max8998_pmic.h>
-#include <errno.h>
 
 DECLARE_GLOBAL_DATA_PTR;