[U-Boot] [PATCH V7 10/10] EXYNOS5: I2C: Added FDT and non-FDT support for I2C

Amar amarendra.xt at samsung.com
Tue Mar 5 14:11:30 CET 2013


This patch adds FDT and non-FDT support for I2C, and initialise
the I2C channels.

Signed-off-by: Amar <amarendra.xt at samsung.com>
---
Changes since V4:
	New patch.

Changes since V5:
	1)Removed the function call i2c_init() present inside the
	function board_i2c_init().

Changes since V6:
	No change.

 drivers/i2c/s3c24x0_i2c.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index 769a2ba..5b4c3d2 100644
--- a/drivers/i2c/s3c24x0_i2c.c
+++ b/drivers/i2c/s3c24x0_i2c.c
@@ -524,11 +524,12 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 		 len) != 0);
 }
 
-#ifdef CONFIG_OF_CONTROL
 void board_i2c_init(const void *blob)
 {
+	int i;
+#ifdef CONFIG_OF_CONTROL
 	int node_list[CONFIG_MAX_I2C_NUM];
-	int count, i;
+	int count;
 
 	count = fdtdec_find_aliases_for_id(blob, "i2c",
 		COMPAT_SAMSUNG_S3C2440_I2C, node_list,
@@ -548,8 +549,15 @@ void board_i2c_init(const void *blob)
 		bus->bus_num = i2c_busses++;
 		exynos_pinmux_config(bus->id, 0);
 	}
+#else
+	for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) {
+		exynos_pinmux_config((PERIPH_ID_I2C0 + i),
+					PINMUX_FLAG_NONE);
+	}
+#endif
 }
 
+#ifdef CONFIG_OF_CONTROL
 static struct s3c24x0_i2c_bus *get_bus(unsigned int bus_idx)
 {
 	if (bus_idx < i2c_busses)
-- 
1.8.0



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