[U-Boot] [PATCH 3/7] arm: mvebu: helios4: Enable I2C

[Aditya Prayoga]

Enable Marvell I2C driver and set default bus to external I2C bus.
Define I2C aliases in device tree so it can be recognized by the driver.

Signed-off-by: Aditya Prayoga <aditya at kobol.io>
---
 arch/arm/dts/armada-388-helios4.dts | 2 ++
 configs/helios4_defconfig           | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/dts/armada-388-helios4.dts b/arch/arm/dts/armada-388-helios4.dts
index a154e0f..711fc22 100644
--- a/arch/arm/dts/armada-388-helios4.dts
+++ b/arch/arm/dts/armada-388-helios4.dts
@@ -24,6 +24,8 @@
 	aliases {
 		/* So that mvebu u-boot can update the MAC addresses */
 		ethernet1 = &eth0;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
 	};
 
 	chosen {
diff --git a/configs/helios4_defconfig b/configs/helios4_defconfig
index e30eb3d..8ac8978 100644
--- a/configs/helios4_defconfig
+++ b/configs/helios4_defconfig
@@ -39,6 +39,9 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_SCSI_AHCI=y
 CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MVTWSI=y
+CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
+CONFIG_I2C_DEFAULT_BUS_NUMBER=0x1
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_MV=y
-- 
2.7.4