[U-Boot] [PATCH 16/17] imx6: wandboard: convert to DM_I2C

Anatolij Gustschin agust at denx.de
Mon Mar 18 22:29:46 UTC 2019


Allow building with DM_I2C enabled.

Signed-off-by: Anatolij Gustschin <agust at denx.de>
---
 board/wandboard/wandboard.c | 23 ++++++++++++++++++-----
 configs/wandboard_defconfig |  5 +++++
 include/configs/wandboard.h |  8 --------
 3 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c
index 23589df932..c0902abe38 100644
--- a/board/wandboard/wandboard.c
+++ b/board/wandboard/wandboard.c
@@ -355,8 +355,21 @@ static void do_enable_hdmi(struct display_info_t const *dev)
 
 static int detect_i2c(struct display_info_t const *dev)
 {
+#ifdef CONFIG_DM_I2C
+	struct udevice *bus, *udev;
+	int rc;
+
+	rc = uclass_get_device_by_seq(UCLASS_I2C, dev->bus, &bus);
+	if (rc)
+		return rc;
+	rc = dm_i2c_probe(bus, dev->addr, 0, &udev);
+	if (rc)
+		return 0;
+	return 1;
+#else
 	return (0 == i2c_set_bus_num(dev->bus)) &&
 			(0 == i2c_probe(dev->addr));
+#endif
 }
 
 static void enable_fwadapt_7wvga(struct display_info_t const *dev)
@@ -547,13 +560,13 @@ int board_init(void)
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
 #if defined(CONFIG_VIDEO_IPUV3)
-	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c2_pad_info);
+	setup_i2c(1, CONFIG_SYS_MXC_I2C1_SPEED, 0x7f, &mx6dl_i2c2_pad_info);
 	if (is_mx6dq() || is_mx6dqp()) {
-		setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c2_pad_info);
-		setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c3_pad_info);
+		setup_i2c(1, CONFIG_SYS_MXC_I2C1_SPEED, 0x7f, &mx6q_i2c2_pad_info);
+		setup_i2c(2, CONFIG_SYS_MXC_I2C2_SPEED, 0x7f, &mx6q_i2c3_pad_info);
 	} else {
-		setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c2_pad_info);
-		setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c3_pad_info);
+		setup_i2c(1, CONFIG_SYS_MXC_I2C1_SPEED, 0x7f, &mx6dl_i2c2_pad_info);
+		setup_i2c(2, CONFIG_SYS_MXC_I2C2_SPEED, 0x7f, &mx6dl_i2c3_pad_info);
 	}
 
 	setup_display();
diff --git a/configs/wandboard_defconfig b/configs/wandboard_defconfig
index 63f2639bd3..9d9fbffbbd 100644
--- a/configs/wandboard_defconfig
+++ b/configs/wandboard_defconfig
@@ -39,6 +39,11 @@ CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_DM=y
 CONFIG_DWC_AHSATA=y
 CONFIG_DM_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MXC=y
+CONFIG_SYS_I2C_MXC_I2C1=y
+CONFIG_SYS_I2C_MXC_I2C2=y
+CONFIG_SYS_I2C_MXC_I2C3=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h
index aeb66ad454..2e6262f0f4 100644
--- a/include/configs/wandboard.h
+++ b/include/configs/wandboard.h
@@ -32,14 +32,6 @@
 #define CONFIG_SYS_MEMTEST_START	0x10000000
 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 500 * SZ_1M)
 
-/* I2C Configs */
-#define CONFIG_SYS_I2C
-#define CONFIG_SYS_I2C_MXC
-#define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
-#define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
-#define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
-#define CONFIG_SYS_I2C_SPEED		100000
-
 /* MMC Configuration */
 #define CONFIG_SYS_FSL_USDHC_NUM	2
 #define CONFIG_SYS_FSL_ESDHC_ADDR	0
-- 
2.17.1



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