[U-Boot] [Patch V2 4/4] ARM: da850-evm: Enable DM_I2C

Adam Ford aford173 at gmail.com
Fri Sep 1 16:11:59 UTC 2017


With DM now enabled with the device tree pulled from Linux, we can
enable DM_I2C in U-Boot.

Signed-off-by: Adam Ford <aford173 at gmail.com>

V2: New to series
---
 arch/arm/dts/da850-evm-u-boot.dtsi | 1 +
 configs/da850evm_defconfig         | 3 +++
 include/configs/da850evm.h         | 5 +++--
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/da850-evm-u-boot.dtsi b/arch/arm/dts/da850-evm-u-boot.dtsi
index 516bc1d..2041cde 100644
--- a/arch/arm/dts/da850-evm-u-boot.dtsi
+++ b/arch/arm/dts/da850-evm-u-boot.dtsi
@@ -13,6 +13,7 @@
 	};
 	
 	aliases {
+		i2c0 = &i2c0;
 		spi0 = &spi1;
 	};
 };
diff --git a/configs/da850evm_defconfig b/configs/da850evm_defconfig
index 08cc2e8..d6cd1fa 100644
--- a/configs/da850evm_defconfig
+++ b/configs/da850evm_defconfig
@@ -24,6 +24,7 @@ CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_ASKENV=y
 CONFIG_CRC32_VERIFY=y
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
@@ -38,6 +39,8 @@ CONFIG_CMD_DIAG=y
 CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_DM=y
+CONFIG_DM_I2C=y
+CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h
index a47ba96..38798b0 100644
--- a/include/configs/da850evm.h
+++ b/include/configs/da850evm.h
@@ -28,6 +28,7 @@
 #undef CONFIG_DM_SPI
 #undef CONFIG_DM_SPI_FLASH
 #undef CONFIG_DM_I2C
+#undef CONFIG_DM_I2C_COMPAT
 #endif
 /*
  * SoC Configuration
@@ -178,10 +179,10 @@
 /*
  * I2C Configuration
  */
+#ifndef CONFIG_SPL_BUILD
 #define CONFIG_SYS_I2C_DAVINCI
-#define CONFIG_SYS_DAVINCI_I2C_SPEED		25000
-#define CONFIG_SYS_DAVINCI_I2C_SLAVE   10 /* Bogus, master-only in U-Boot */
 #define CONFIG_SYS_I2C_EXPANDER_ADDR   0x20
+#endif
 
 /*
  * Flash & Environment
-- 
2.7.4



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