Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / power / pmic / muic_max8997.c

diff --git a/qemu/roms/u-boot/drivers/power/pmic/muic_max8997.c b/qemu/roms/u-boot/drivers/power/pmic/muic_max8997.c
new file mode 100644 (file)
index 0000000..720342e
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/power/pmic/muic_max8997.c
@@ -0,0 +1,74 @@
+/*
+ *  Copyright (C) 2012 Samsung Electronics
+ *  Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <power/pmic.h>
+#include <power/power_chrg.h>
+#include <power/max8997_muic.h>
+#include <i2c.h>
+#include <errno.h>
+
+static int power_chrg_get_type(struct pmic *p)
+{
+       unsigned int val;
+       unsigned char charge_type, charger;
+
+       if (pmic_probe(p))
+               return CHARGER_NO;
+
+       pmic_reg_read(p, MAX8997_MUIC_STATUS2, &val);
+       charge_type = val & MAX8997_MUIC_CHG_MASK;
+
+       switch (charge_type) {
+       case MAX8997_MUIC_CHG_NO:
+               charger = CHARGER_NO;
+               break;
+       case MAX8997_MUIC_CHG_USB:
+       case MAX8997_MUIC_CHG_USB_D:
+               charger = CHARGER_USB;
+               break;
+       case MAX8997_MUIC_CHG_TA:
+       case MAX8997_MUIC_CHG_TA_1A:
+               charger = CHARGER_TA;
+               break;
+       case MAX8997_MUIC_CHG_TA_500:
+               charger = CHARGER_TA_500;
+               break;
+       default:
+               charger = CHARGER_UNKNOWN;
+               break;
+       }
+
+       return charger;
+}
+
+static struct power_chrg power_chrg_muic_ops = {
+       .chrg_type = power_chrg_get_type,
+};
+
+int power_muic_init(unsigned int bus)
+{
+       static const char name[] = "MAX8997_MUIC";
+       struct pmic *p = pmic_alloc();
+
+       if (!p) {
+               printf("%s: POWER allocation error!\n", __func__);
+               return -ENOMEM;
+       }
+
+       debug("Board Micro USB Interface Controller init\n");
+
+       p->name = name;
+       p->interface = PMIC_I2C;
+       p->number_of_regs = MUIC_NUM_OF_REGS;
+       p->hw.i2c.addr = MAX8997_MUIC_I2C_ADDR;
+       p->hw.i2c.tx_num = 1;
+       p->bus = bus;
+
+       p->chrg = &power_chrg_muic_ops;
+       return 0;
+}