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EXYNOS5: I2C: Add FDT and non-FDT support for I2C

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This patch updates the function board_i2c_init() to add support for both
FDT and non-FDT for I2C, and initialise the I2C channels.

Signed-off-by: Amar <amarendra.xt@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Amar 2013-04-04 02:27:06 -04:00 committed by Minkyu Kang
parent 9169543d1e
commit 2c07bb9b53
1 changed files with 10 additions and 2 deletions
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12
drivers/i2c/s3c24x0_i2c.c
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@ -515,11 +515,12 @@ 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,
@ -539,8 +540,15 @@ 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)