[U-Boot] [PATCH v3 2/2] i2c:soft:multi: Enable soft I2C multibus at Trats development board
Lukasz Majewski
l.majewski at samsung.com
Mon Sep 3 17:58:22 CEST 2012
This commit enables multibus handling at Samsung's Trats development board.
Signed-off-by: Lukasz Majewski <l.majewski at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Cc: Minkyu Kang <mk7.kang at samsung.com>
---
Changes for v2:
- CONFIG_SOFT_I2C_MULTI_BUS flag added to Trats configuration
Changes for v3:
- correct definition of TRATS I2C_1 pins
---
include/configs/trats.h | 21 +++++++++++++++------
1 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/include/configs/trats.h b/include/configs/trats.h
index c6fb2e0..d1080d5 100644
--- a/include/configs/trats.h
+++ b/include/configs/trats.h
@@ -235,19 +235,28 @@
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_CACHELINE_SIZE 32
-#include <asm/arch/gpio.h>
-/*
- * I2C Settings
- */
-#define CONFIG_SOFT_I2C_GPIO_SCL exynos4_gpio_part1_get_nr(b, 7)
-#define CONFIG_SOFT_I2C_GPIO_SDA exynos4_gpio_part1_get_nr(b, 6)
#define CONFIG_SOFT_I2C
#define CONFIG_SOFT_I2C_READ_REPEATED_START
#define CONFIG_SYS_I2C_SPEED 50000
#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SOFT_I2C_MULTI_BUS
#define CONFIG_SYS_MAX_I2C_BUS 7
+#include <asm/arch/gpio.h>
+
+/* I2C PMIC */
+#define CONFIG_SOFT_I2C_I2C0_SCL exynos4_gpio_part1_get_nr(b, 7)
+#define CONFIG_SOFT_I2C_I2C0_SDA exynos4_gpio_part1_get_nr(b, 6)
+
+/* I2C FG */
+#define CONFIG_SOFT_I2C_I2C1_SCL exynos4_gpio_part2_get_nr(y4, 1)
+#define CONFIG_SOFT_I2C_I2C1_SDA exynos4_gpio_part2_get_nr(y4, 0)
+
+#define CONFIG_SOFT_I2C_GPIO_SCL get_multi_scl_pin()
+#define CONFIG_SOFT_I2C_GPIO_SDA get_multi_sda_pin()
+#define I2C_INIT multi_i2c_init()
+
#define CONFIG_PMIC
#define CONFIG_PMIC_I2C
#define CONFIG_PMIC_MAX8997
--
1.7.2.3
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