board: samsung: universal_210: use the driver model for max8998

Revmoe the "ifndef CONFIG_DM_I2C".
Intead, use the driver model for max8998.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

1 files changed, 94 insertions, 75 deletions

diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index c3946ee891..0645843934 100644
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -27,33 +27,21 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 unsigned int board_rev;
+static int init_pmic_lcd(void);
 
 u32 get_board_rev(void)
 {
 	return board_rev;
 }
 
-static int get_hwrev(void)
+int exynos_power_init(void)
 {
-	return board_rev & 0xFF;
+	return init_pmic_lcd();
 }
 
-int exynos_power_init(void)
+static int get_hwrev(void)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	int ret;
-
-	/*
-	 * For PMIC the I2C bus is named as I2C5, but it is connected
-	 * to logical I2C adapter 0
-	 */
-	ret = pmic_init(I2C_0);
-	if (ret)
-		return ret;
-
-	init_pmic_lcd();
-#endif
-	return 0;
+	return board_rev & 0xFF;
 }
 
 static unsigned short get_adc_value(int channel)
@@ -83,23 +71,29 @@ static unsigned short get_adc_value(int channel)
 
 static int adc_power_control(int on)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
+	struct udevice *dev;
 	int ret;
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-	if (!p)
-		return -ENODEV;
+	u8 reg;
 
-	if (pmic_probe(p))
-		return -1;
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998!\n");
+		return ret;
+	}
 
-	ret = pmic_set_output(p,
-			      MAX8998_REG_ONOFF1,
-			      MAX8998_LDO4, !!on);
+	reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+	if (on)
+		reg |= MAX8998_LDO4;
+	else
+		reg &= ~MAX8998_LDO4;
+
+	ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+	if (ret) {
+		puts("MAX8998 LDO setting error\n");
+		return -EINVAL;
+	}
 
-	return ret;
-#else
 	return 0;
-#endif
 }
 
 static unsigned int get_hw_revision(void)
@@ -147,39 +141,50 @@ static void check_hw_revision(void)
 #ifdef CONFIG_USB_GADGET
 static int s5pc210_phy_control(int on)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	int ret = 0;
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-	if (!p)
-		return -ENODEV;
+	struct udevice *dev;
+	int ret;
+	u8 reg;
 
-	if (pmic_probe(p))
-		return -1;
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998!\n");
+		return ret;
+	}
 
 	if (on) {
-		ret |= pmic_set_output(p,
-				       MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
-				       MAX8998_SAFEOUT1, LDO_ON);
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
-				      MAX8998_LDO3, LDO_ON);
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
-				      MAX8998_LDO8, LDO_ON);
+		reg = pmic_reg_read(dev, MAX8998_REG_BUCK_ACTIVE_DISCHARGE3);
+		reg |= MAX8998_SAFEOUT1;
+		ret |= pmic_reg_write(dev,
+			MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+		reg |= MAX8998_LDO3;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg |= MAX8998_LDO8;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 
 	} else {
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
-				      MAX8998_LDO8, LDO_OFF);
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
-				      MAX8998_LDO3, LDO_OFF);
-		ret |= pmic_set_output(p,
-				       MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
-				       MAX8998_SAFEOUT1, LDO_OFF);
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg &= ~MAX8998_LDO8;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+		reg &= ~MAX8998_LDO3;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_BUCK_ACTIVE_DISCHARGE3);
+		reg &= ~MAX8998_SAFEOUT1;
+		ret |= pmic_reg_write(dev,
+			MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, reg);
 	}
 
 	if (ret) {
 		puts("MAX8998 LDO setting error!\n");
-		return -1;
+		return -EINVAL;
 	}
-#endif
+
 	return 0;
 }
 
@@ -205,27 +210,25 @@ int exynos_early_init_f(void)
 	return 0;
 }
 
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-static void init_pmic_lcd(void)
+static int init_pmic_lcd(void)
 {
+	struct udevice *dev;
 	unsigned char val;
 	int ret = 0;
 
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-
-	if (!p)
-		return;
-
-	if (pmic_probe(p))
-		return;
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998 for init_pmic_lcd()!\n");
+		return ret;
+	}
 
 	/* LDO7 1.8V */
 	val = 0x02; /* (1800 - 1600) / 100; */
-	ret |= pmic_reg_write(p,  MAX8998_REG_LDO7, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_LDO7, val);
 
 	/* LDO17 3.0V */
 	val = 0xe; /* (3000 - 1600) / 100; */
-	ret |= pmic_reg_write(p,  MAX8998_REG_LDO17, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_LDO17, val);
 
 	/* Disable unneeded regulators */
 	/*
@@ -234,26 +237,29 @@ static void init_pmic_lcd(void)
 	 * LDO2 ON, LDO3 OFF, LDO4 OFF, LDO5 ON
 	 */
 	val = 0xB9;
-	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF1, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_ONOFF1, val);
 
 	/* ONOFF2
 	 * LDO6 OFF, LDO7 ON, LDO8 OFF, LDO9 ON,
 	 * LDO10 OFF, LDO11 OFF, LDO12 OFF, LDO13 OFF
 	 */
 	val = 0x50;
-	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF2, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_ONOFF2, val);
 
 	/* ONOFF3
 	 * LDO14 OFF, LDO15 OFF, LGO16 OFF, LDO17 OFF
 	 * EPWRHOLD OFF, EBATTMON OFF, ELBCNFG2 OFF, ELBCNFG1 OFF
 	 */
 	val = 0x00;
-	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF3, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_ONOFF3, val);
 
-	if (ret)
+	if (ret) {
 		puts("LCD pmic initialisation error!\n");
+		return -EINVAL;
+	}
+
+	return 0;
 }
-#endif
 
 void exynos_cfg_lcd_gpio(void)
 {
@@ -310,18 +316,31 @@ void exynos_reset_lcd(void)
 
 void exynos_lcd_power_on(void)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	struct pmic *p = pmic_get("MAX8998_PMIC");
+	struct udevice *dev;
+	int ret;
+	u8 reg;
 
-	if (!p)
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998!\n");
 		return;
+	}
 
-	if (pmic_probe(p))
+	reg = pmic_reg_read(dev, MAX8998_REG_ONOFF3);
+	reg |= MAX8998_LDO17;
+	ret = pmic_reg_write(dev, MAX8998_REG_ONOFF3, reg);
+	if (ret) {
+		puts("MAX8998 LDO setting error\n");
 		return;
+	}
 
-	pmic_set_output(p, MAX8998_REG_ONOFF3, MAX8998_LDO17, LDO_ON);
-	pmic_set_output(p, MAX8998_REG_ONOFF2, MAX8998_LDO7, LDO_ON);
-#endif
+	reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+	reg |= MAX8998_LDO7;
+	ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
+	if (ret) {
+		puts("MAX8998 LDO setting error\n");
+		return;
+	}
 }
 
 void exynos_cfg_ldo(void)