[PATCH 5/9] arm: mvebu: theadorable: Switch to using DM I2C API

Stefan Roese sr at denx.de
Thu Nov 18 09:19:35 CET 2021


No functional change intended. This patch switches from the legacy I2C
API to the DM I2C API, so that this code can be used with DM I2C
enabled.

Signed-off-by: Stefan Roese <sr at denx.de>
---
 board/theadorable/theadorable.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/board/theadorable/theadorable.c b/board/theadorable/theadorable.c
index bb2d51495638..6e41ca239919 100644
--- a/board/theadorable/theadorable.c
+++ b/board/theadorable/theadorable.c
@@ -298,10 +298,19 @@ int board_late_init(void)
 		bootcount_inc();
 
 		if (bootcount > PEX_SWITCH_NOT_FOUNT_LIMIT) {
-			printf("Issuing power-switch via uC!\n");
+			struct udevice *dev;
 
 			printf("Issuing power-switch via uC!\n");
-			i2c_set_bus_num(STM_I2C_BUS);
+			ret = i2c_get_chip_for_busnum(STM_I2C_BUS, STM_I2C_ADDR,
+						      1, &dev);
+			if (ret) {
+				printf("Error selecting STM on I2C bus (ret=%d)\n",
+				       ret);
+				printf("Issuing soft-reset...\n");
+				/* default handling: SOFT reset */
+				do_reset(NULL, 0, 0, NULL);
+			}
+
 			i2c_buf[0] = STM_I2C_ADDR << 1;
 			i2c_buf[1] = 0xc5;	/* cmd */
 			i2c_buf[2] = 0x01;	/* enable */
@@ -313,7 +322,7 @@ int board_late_init(void)
 			i2c_buf[6] = 0x00;
 			i2c_buf[7] = crc8(0x72, &i2c_buf[0], 7);
 
-			ret = i2c_write(STM_I2C_ADDR, 0, 0, &i2c_buf[1], 7);
+			ret = dm_i2c_write(dev, 0, &i2c_buf[1], 7);
 			if (ret) {
 				printf("I2C write error (ret=%d)\n", ret);
 				printf("Issuing soft-reset...\n");
-- 
2.34.0



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