Patchwork [U-Boot,v3,2/2] i2c:soft:multi: Enable soft I2C multibus at Trats development board

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Submitter Łukasz Majewski
Date Sept. 3, 2012, 3:58 p.m.
Message ID <1346687902-5979-3-git-send-email-l.majewski@samsung.com>
Download mbox | patch
Permalink /patch/181381/
State Superseded
Delegated to: Heiko Schocher
Headers show

Comments

Łukasz Majewski - Sept. 3, 2012, 3:58 p.m.
This commit enables multibus handling at Samsung's Trats development board.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Minkyu Kang <mk7.kang@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(-)

Patch

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