[U-Boot] [PATCH] arm: samsung: goni: use the driver model for max8998

Jaehoon Chung jh80.chung at samsung.com
Tue Dec 27 09:33:05 CET 2016


Remove the "ifndef CONFIG_DM_I2C".
Instead, use the driver model for max8998.

Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
---
 board/samsung/goni/goni.c | 61 ++++++++++++++++++++++++-----------------------
 1 file changed, 31 insertions(+), 30 deletions(-)

diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index b066832..c1d7438 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <asm/gpio.h>
 #include <asm/arch/mmc.h>
+#include <dm.h>
 #include <power/pmic.h>
 #include <usb/dwc2_udc.h>
 #include <asm/arch/cpu.h>
@@ -43,19 +44,6 @@ void i2c_init_board(void)
 }
 #endif
 
-int power_init_board(void)
-{
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	/*
-	 * For PMIC the I2C bus is named as I2C5, but it is connected
-	 * to logical I2C adapter 0
-	 */
-	return pmic_init(I2C_0);
-#else
-	return 0;
-#endif
-}
-
 int dram_init(void)
 {
 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
@@ -146,34 +134,47 @@ int board_mmc_init(bd_t *bis)
 #ifdef CONFIG_USB_GADGET
 static int s5pc1xx_phy_control(int on)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	int ret;
+#ifdef CONFIG_DM_PMIC_MAX8998
+	struct udevice *dev;
 	static int status;
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-	if (!p)
-		return -ENODEV;
+	int reg, ret;
 
-	if (pmic_probe(p))
-		return -1;
+	ret = pmic_get("max8998_pmix", &dev);
+	if (ret)
+		return ret;
 
 	if (on && !status) {
-		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_ONOFF1);
+		reg |= MAX8998_LDO3;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
 		if (ret) {
 			puts("MAX8998 LDO setting error!\n");
-			return -1;
+			return -EINVAL;
+		}
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg |= MAX8998_LDO8;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
+		if (ret) {
+			puts("MAX8998 LDO setting error!\n");
+			return -EINVAL;
 		}
 		status = 1;
 	} else if (!on && status) {
-		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
-				      MAX8998_LDO3, LDO_OFF);
-		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
-				      MAX8998_LDO8, LDO_OFF);
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+		reg &= ~MAX8998_LDO3;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+		if (ret) {
+			puts("MAX8998 LDO setting error!\n");
+			return -EINVAL;
+		}
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg &= ~MAX8998_LDO8;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 		if (ret) {
 			puts("MAX8998 LDO setting error!\n");
-			return -1;
+			return -EINVAL;
 		}
 		status = 0;
 	}
-- 
2.10.2



More information about the U-Boot mailing list