Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 255 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/drivers/power/pmic/pmic_max77686.c b/qemu/roms/u-boot/drivers/power/pmic/pmic_max77686.c
new file mode 100644
index 000000000..d4c430e22
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/power/pmic/pmic_max77686.c
@@ -0,0 +1,255 @@
+/*
+ *  Copyright (C) 2012 Samsung Electronics
+ *  Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/max77686_pmic.h>
+#include <errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const char max77686_buck_addr[] = {
+	0xff, 0x10, 0x12, 0x1c, 0x26, 0x30, 0x32, 0x34, 0x36, 0x38
+};
+
+static unsigned int max77686_ldo_volt2hex(int ldo, ulong uV)
+{
+	unsigned int hex = 0;
+
+	switch (ldo) {
+	case 1:
+	case 2:
+	case 6:
+	case 7:
+	case 8:
+	case 15:
+		hex = (uV - 800000) / 25000;
+		break;
+	default:
+		hex = (uV - 800000) / 50000;
+	}
+
+	if (hex >= 0 && hex <= MAX77686_LDO_VOLT_MAX_HEX)
+		return hex;
+
+	debug("%s: %ld is wrong voltage value for LDO%d\n", __func__, uV, ldo);
+	return 0;
+}
+
+int max77686_set_ldo_voltage(struct pmic *p, int ldo, ulong uV)
+{
+	unsigned int val, ret, hex, adr;
+
+	if (ldo < 1 && ldo > 26) {
+		printf("%s: %d is wrong ldo number\n", __func__, ldo);
+		return -1;
+	}
+
+	adr = MAX77686_REG_PMIC_LDO1CTRL1 + ldo - 1;
+	hex = max77686_ldo_volt2hex(ldo, uV);
+
+	if (!hex)
+		return -1;
+
+	ret = pmic_reg_read(p, adr, &val);
+	if (ret)
+		return ret;
+
+	val &= ~MAX77686_LDO_VOLT_MASK;
+	val |= hex;
+	ret |= pmic_reg_write(p, adr, val);
+
+	return ret;
+}
+
+int max77686_set_ldo_mode(struct pmic *p, int ldo, char opmode)
+{
+	unsigned int val, ret, adr, mode;
+
+	if (ldo < 1 && 26 < ldo) {
+		printf("%s: %d is wrong ldo number\n", __func__, ldo);
+		return -1;
+	}
+
+	adr = MAX77686_REG_PMIC_LDO1CTRL1 + ldo - 1;
+
+	/* mode */
+	switch (opmode) {
+	case OPMODE_OFF:
+		mode = MAX77686_LDO_MODE_OFF;
+		break;
+	case OPMODE_STANDBY:
+		switch (ldo) {
+		case 2:
+		case 6:
+		case 7:
+		case 8:
+		case 10:
+		case 11:
+		case 12:
+		case 14:
+		case 15:
+		case 16:
+			mode = MAX77686_LDO_MODE_STANDBY;
+			break;
+		default:
+			mode = 0xff;
+		}
+		break;
+	case OPMODE_LPM:
+		mode = MAX77686_LDO_MODE_LPM;
+		break;
+	case OPMODE_ON:
+		mode = MAX77686_LDO_MODE_ON;
+		break;
+	default:
+		mode = 0xff;
+	}
+
+	if (mode == 0xff) {
+		printf("%s: %d is not supported on LDO%d\n",
+		       __func__, opmode, ldo);
+		return -1;
+	}
+
+	ret = pmic_reg_read(p, adr, &val);
+	if (ret)
+		return ret;
+
+	val &= ~MAX77686_LDO_MODE_MASK;
+	val |= mode;
+	ret |= pmic_reg_write(p, adr, val);
+
+	return ret;
+}
+
+int max77686_set_buck_mode(struct pmic *p, int buck, char opmode)
+{
+	unsigned int val, ret, mask, adr, size, mode, mode_shift;
+
+	size = ARRAY_SIZE(max77686_buck_addr);
+	if (buck >= size) {
+		printf("%s: %d is wrong buck number\n", __func__, buck);
+		return -1;
+	}
+
+	adr = max77686_buck_addr[buck];
+
+	/* mask */
+	switch (buck) {
+	case 2:
+	case 3:
+	case 4:
+		mode_shift = MAX77686_BUCK_MODE_SHIFT_2;
+		break;
+	default:
+		mode_shift = MAX77686_BUCK_MODE_SHIFT_1;
+	}
+
+	mask = MAX77686_BUCK_MODE_MASK << mode_shift;
+
+	/* mode */
+	switch (opmode) {
+	case OPMODE_OFF:
+		mode = MAX77686_BUCK_MODE_OFF;
+		break;
+	case OPMODE_STANDBY:
+		switch (buck) {
+		case 1:
+		case 2:
+		case 3:
+		case 4:
+			mode = MAX77686_BUCK_MODE_STANDBY << mode_shift;
+			break;
+		default:
+			mode = 0xff;
+		}
+		break;
+	case OPMODE_LPM:
+		switch (buck) {
+		case 2:
+		case 3:
+		case 4:
+			mode = MAX77686_BUCK_MODE_LPM << mode_shift;
+			break;
+		default:
+			mode = 0xff;
+		}
+		break;
+	case OPMODE_ON:
+		mode = MAX77686_BUCK_MODE_ON << mode_shift;
+		break;
+	default:
+		mode = 0xff;
+	}
+
+	if (mode == 0xff) {
+		printf("%s: %d is not supported on BUCK%d\n",
+		       __func__, opmode, buck);
+		return -1;
+	}
+
+	ret = pmic_reg_read(p, adr, &val);
+	if (ret)
+		return ret;
+
+	val &= ~mask;
+	val |= mode;
+	ret |= pmic_reg_write(p, adr, val);
+
+	return ret;
+}
+
+int pmic_init(unsigned char bus)
+{
+	static const char name[] = "MAX77686_PMIC";
+	struct pmic *p = pmic_alloc();
+
+	if (!p) {
+		printf("%s: POWER allocation error!\n", __func__);
+		return -ENOMEM;
+	}
+
+#ifdef CONFIG_OF_CONTROL
+	const void *blob = gd->fdt_blob;
+	int node, parent;
+
+	node = fdtdec_next_compatible(blob, 0, COMPAT_MAXIM_MAX77686_PMIC);
+	if (node < 0) {
+		debug("PMIC: No node for PMIC Chip in device tree\n");
+		debug("node = %d\n", node);
+		return -1;
+	}
+
+	parent = fdt_parent_offset(blob, node);
+	if (parent < 0) {
+		debug("%s: Cannot find node parent\n", __func__);
+		return -1;
+	}
+
+	p->bus = i2c_get_bus_num_fdt(parent);
+	if (p->bus < 0) {
+		debug("%s: Cannot find I2C bus\n", __func__);
+		return -1;
+	}
+	p->hw.i2c.addr = fdtdec_get_int(blob, node, "reg", 9);
+#else
+	p->bus = bus;
+	p->hw.i2c.addr = MAX77686_I2C_ADDR;
+#endif
+
+	p->name = name;
+	p->interface = PMIC_I2C;
+	p->number_of_regs = PMIC_NUM_OF_REGS;
+	p->hw.i2c.tx_num = 1;
+
+	puts("Board PMIC init\n");
+
+	return 0;
+}