This patch adds FDT and non-FDT support for I2C, and initialise
the I2C channels.
Signed-off-by: Amar <amarendra...@samsung.com>
---
Changes since V4:
New patch.
drivers/i2c/s3c24x0_i2c.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index 769a2ba..f2a035c 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 +549,16 @@ 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
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
}
+#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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