board: samsung: trats: remove the unnecessary codes

These codes are unnecessary, because max8997 should be initialized with
dt-file.
Remove max8997_init() function.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index 7200c2e..fa297c3 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -56,13 +56,6 @@
 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 	int err;
 
-	/* I2C_5 -> PMIC */
-	err = exynos_pinmux_config(PERIPH_ID_I2C5, PINMUX_FLAG_NONE);
-	if (err) {
-		debug("I2C%d not configured\n", (I2C_5));
-		return;
-	}
-
 	/* I2C_8 -> FG */
 	gpio_request(EXYNOS4_GPIO_Y40, "i2c_clk");
 	gpio_request(EXYNOS4_GPIO_Y41, "i2c_data");
@@ -129,156 +122,6 @@
 	writel(0x0, &clk->gate_ip_image);	/* IMAGE */
 	writel(0x0, &clk->gate_ip_gps);	/* GPS */
 }
-
-static int pmic_init_max8997(void)
-{
-	struct pmic *p = pmic_get("MAX8997_PMIC");
-	int i = 0, ret = 0;
-	u32 val;
-
-	if (pmic_probe(p))
-		return -1;
-
-	/* BUCK1 VARM: 1.2V */
-	val = (1200000 - 650000) / 25000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK1DVS1, val);
-	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK1CTRL, val);
-
-	/* BUCK2 VINT: 1.1V */
-	val = (1100000 - 650000) / 25000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK2DVS1, val);
-	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK2CTRL, val);
-
-
-	/* BUCK3 G3D: 1.1V - OFF */
-	ret |= pmic_reg_read(p, MAX8997_REG_BUCK3CTRL, &val);
-	val &= ~ENBUCK;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK3CTRL, val);
-
-	val = (1100000 - 750000) / 50000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK3DVS, val);
-
-	/* BUCK4 CAMISP: 1.2V - OFF */
-	ret |= pmic_reg_read(p, MAX8997_REG_BUCK4CTRL, &val);
-	val &= ~ENBUCK;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK4CTRL, val);
-
-	val = (1200000 - 650000) / 25000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK4DVS, val);
-
-	/* BUCK5 VMEM: 1.2V */
-	val = (1200000 - 650000) / 25000;
-	for (i = 0; i < 8; i++)
-		ret |= pmic_reg_write(p, MAX8997_REG_BUCK5DVS1 + i, val);
-
-	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK5CTRL, val);
-
-	/* BUCK6 CAM AF: 2.8V */
-	/* No Voltage Setting Register */
-	/* GNSLCT 3.0X */
-	val = GNSLCT;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK6CTRL, val);
-
-	/* BUCK7 VCC_SUB: 2.0V */
-	val = (2000000 - 750000) / 50000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK7DVS, val);
-
-	/* LDO1 VADC: 3.3V */
-	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO1CTRL, val);
-
-	/* LDO1 Disable active discharging */
-	ret |= pmic_reg_read(p, MAX8997_REG_LDO1CONFIG, &val);
-	val &= ~LDO_ADE;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO1CONFIG, val);
-
-	/* LDO2 VALIVE: 1.1V */
-	val = max8997_reg_ldo(1100000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO2CTRL, val);
-
-	/* LDO3 VUSB/MIPI: 1.1V */
-	val = max8997_reg_ldo(1100000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, val);
-
-	/* LDO4 VMIPI: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO4CTRL, val);
-
-	/* LDO5 VHSIC: 1.2V */
-	val = max8997_reg_ldo(1200000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO5CTRL, val);
-
-	/* LDO6 VCC_1.8V_PDA: 1.8V */
-	val = max8997_reg_ldo(1800000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO6CTRL, val);
-
-	/* LDO7 CAM_ISP: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO7CTRL, val);
-
-	/* LDO8 VDAC/VUSB: 3.3V */
-	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, val);
-
-	/* LDO9 VCC_2.8V_PDA: 2.8V */
-	val = max8997_reg_ldo(2800000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO9CTRL, val);
-
-	/* LDO10 VPLL: 1.1V */
-	val = max8997_reg_ldo(1100000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO10CTRL, val);
-
-	/* LDO11 TOUCH: 2.8V */
-	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO11CTRL, val);
-
-	/* LDO12 VTCAM: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO12CTRL, val);
-
-	/* LDO13 VCC_3.0_LCD: 3.0V */
-	val = max8997_reg_ldo(3000000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO13CTRL, val);
-
-	/* LDO14 MOTOR: 3.0V */
-	val = max8997_reg_ldo(3000000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO14CTRL, val);
-
-	/* LDO15 LED_A: 2.8V */
-	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO15CTRL, val);
-
-	/* LDO16 CAM_SENSOR: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO16CTRL, val);
-
-	/* LDO17 VTF: 2.8V */
-	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO17CTRL, val);
-
-	/* LDO18 TOUCH_LED 3.3V */
-	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO18CTRL, val);
-
-	/* LDO21 VDDQ: 1.2V */
-	val = max8997_reg_ldo(1200000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO21CTRL, val);
-
-	/* SAFEOUT for both 1 and 2: 4.9V, Active discharge, Enable */
-	val = (SAFEOUT_4_90V << 0) | (SAFEOUT_4_90V << 2) |
-		ACTDISSAFEO1 | ACTDISSAFEO2 | ENSAFEOUT1 | ENSAFEOUT2;
-	ret |= pmic_reg_write(p, MAX8997_REG_SAFEOUTCTRL, val);
-
-	if (ret) {
-		puts("MAX8997 PMIC setting error!\n");
-		return -1;
-	}
-
-	return 0;
-}
 #endif
 
 int exynos_power_init(void)
@@ -295,9 +138,7 @@
 	 * The FUEL_GAUGE is marked as I2C9 on the schematic, but connected
 	 * to logical I2C adapter 1
 	 */
-	ret = pmic_init(I2C_5);
-	ret |= pmic_init_max8997();
-	ret |= power_fg_init(I2C_9);
+	ret = power_fg_init(I2C_9);
 	ret |= power_muic_init(I2C_5);
 	ret |= power_bat_init(0);
 	if (ret)