X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fpower%2Faxp152.c;h=c4b3fe58a665a82aca18806834665fa945e0ae4a;hb=6fe7fe12ccfe4e3f068e6adb624a3092e7e852c9;hp=c60e4d3efb00bf289968184eb4b8a5a3c35e59b2;hpb=6944aff1ca91e8cf2c373193982cbb0417b4d4cc;p=u-boot

diff --git a/drivers/power/axp152.c b/drivers/power/axp152.c
index c60e4d3efb..c4b3fe58a6 100644
--- a/drivers/power/axp152.c
+++ b/drivers/power/axp152.c
@@ -5,19 +5,10 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
-#include <i2c.h>
+#include <command.h>
+#include <asm/arch/pmic_bus.h>
 #include <axp_pmic.h>
 
-static int axp152_write(enum axp152_reg reg, u8 val)
-{
-	return i2c_write(0x30, reg, 1, &val, 1);
-}
-
-static int axp152_read(enum axp152_reg reg, u8 *val)
-{
-	return i2c_read(0x30, reg, 1, val, 1);
-}
-
 static u8 axp152_mvolt_to_target(int mvolt, int min, int max, int div)
 {
 	if (mvolt < min)
@@ -36,13 +27,13 @@ int axp_set_dcdc2(unsigned int mvolt)
 	target = axp152_mvolt_to_target(mvolt, 700, 2275, 25);
 
 	/* Do we really need to be this gentle? It has built-in voltage slope */
-	while ((rc = axp152_read(AXP152_DCDC2_VOLTAGE, &current)) == 0 &&
+	while ((rc = pmic_bus_read(AXP152_DCDC2_VOLTAGE, &current)) == 0 &&
 	       current != target) {
 		if (current < target)
 			current++;
 		else
 			current--;
-		rc = axp152_write(AXP152_DCDC2_VOLTAGE, current);
+		rc = pmic_bus_write(AXP152_DCDC2_VOLTAGE, current);
 		if (rc)
 			break;
 	}
@@ -53,21 +44,21 @@ int axp_set_dcdc3(unsigned int mvolt)
 {
 	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 50);
 
-	return axp152_write(AXP152_DCDC3_VOLTAGE, target);
+	return pmic_bus_write(AXP152_DCDC3_VOLTAGE, target);
 }
 
 int axp_set_dcdc4(unsigned int mvolt)
 {
 	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 25);
 
-	return axp152_write(AXP152_DCDC4_VOLTAGE, target);
+	return pmic_bus_write(AXP152_DCDC4_VOLTAGE, target);
 }
 
 int axp_set_aldo2(unsigned int mvolt)
 {
 	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 100);
 
-	return axp152_write(AXP152_LDO2_VOLTAGE, target);
+	return pmic_bus_write(AXP152_LDO2_VOLTAGE, target);
 }
 
 int axp_init(void)
@@ -75,12 +66,27 @@ int axp_init(void)
 	u8 ver;
 	int rc;
 
-	rc = axp152_read(AXP152_CHIP_VERSION, &ver);
+	rc = pmic_bus_init();
+	if (rc)
+		return rc;
+
+	rc = pmic_bus_read(AXP152_CHIP_VERSION, &ver);
 	if (rc)
 		return rc;
 
 	if (ver != 0x05)
-		return -1;
+		return -EINVAL;
+
+	return 0;
+}
+
+int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	pmic_bus_write(AXP152_SHUTDOWN, AXP152_POWEROFF);
+
+	/* infinite loop during shutdown */
+	while (1) {}
 
+	/* not reached */
 	return 0;
 }