pmic: add skeleton driver for max8997

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 2c3ebe4..39cb376 100644 (file)
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -36,6 +36,7 @@ COBJS-$(CONFIG_FSL_PMIC) += fsl_pmic.o
 COBJS-$(CONFIG_PDSP188x) += pdsp188x.o
 COBJS-$(CONFIG_CMD_RAMOOPS) += ramoops.o
 COBJS-$(CONFIG_CMD_MBR) += mbr.o
+COBJS-$(CONFIG_PMIC_MAX8997) += max8997.o
 COBJS-$(CONFIG_PMIC_MAX8998) += max8998.o
 COBJS-$(CONFIG_INFO_ACTION) += info_action.o
 

diff --git a/drivers/misc/max8997.c b/drivers/misc/max8997.c
new file mode 100644 (file)
index 0000000..c32c5c2
--- /dev/null
+++ b/drivers/misc/max8997.c
@@ -0,0 +1,68 @@
+/*
+ * Command for max8997 / max8996 pmic
+ *
+ * Copyright (C) 2011 Samsung Electrnoics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ */
+
+#include <common.h>
+#include <i2c.h>
+
+unsigned int pmic_bus;
+
+void pmic_bus_init(int bus_num)
+{
+       pmic_bus = bus_num;
+}
+
+static int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       int buck = 0, ldo = 0, safeout = 0, on = -1;
+       int ret = 0;
+
+       switch (argc) {
+       case 2:
+               if (strncmp(argv[1], "status", 6) == 0)
+                       printf("Don't support\n");
+                       /* return pmic_status(); */
+               break;
+       case 4:
+               if (strncmp(argv[1], "ldo", 3) == 0)
+                       ldo = simple_strtoul(argv[2], NULL, 10);
+               else if (strncmp(argv[1], "buck", 4) == 0)
+                       buck = simple_strtoul(argv[2], NULL, 10);
+               else if (strncmp(argv[1], "safeout", 7) == 0)
+                       safeout = simple_strtoul(argv[2], NULL, 10);
+               else
+                       break;
+
+               if (strncmp(argv[3], "on", 2) == 0)
+                       on = 1;
+               else if (strncmp(argv[3], "off", 3) == 0)
+                       on = 0;
+               else
+                       break;
+
+               /* ret = pmic_ldo_control(buck, ldo, safeout, on); */
+
+               if (!ret)
+                       printf("%s %s %s\n", argv[1], argv[2], argv[3]);
+               return ret;
+
+       default:
+               break;
+       }
+
+       cmd_usage(cmdtp);
+       return 1;
+}
+
+U_BOOT_CMD(
+       pmic,           4,      1, do_pmic,
+       "PMIC LDO & BUCK control",
+       "status - Display PMIC LDO & BUCK status\n"
+       "pmic ldo num on/off - Turn on/off the LDO\n"
+       "pmic buck num on/off - Turn on/off the BUCK\n"
+       "pmic safeout num on/off - Turn on/off the SAFEOUT\n"
+);