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author | Tom Rini <trini@ti.com> | 2012-09-17 11:39:03 -0700 |
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committer | Tom Rini <trini@ti.com> | 2012-09-17 11:39:03 -0700 |
commit | 037e9d33db9fc86c1e671d64077b2d1a19df7f24 (patch) | |
tree | 3fac46460bf6c39eb9775bcc0e1970042666292d /board/samsung/common/multi_i2c.c | |
parent | cd40a66c197fd43f761fa398cf785ff1a86250de (diff) | |
parent | fd8dca83ed4b9d960d3b9a0450da12bb32f512f8 (diff) | |
download | u-boot-imx-037e9d33db9fc86c1e671d64077b2d1a19df7f24.zip u-boot-imx-037e9d33db9fc86c1e671d64077b2d1a19df7f24.tar.gz u-boot-imx-037e9d33db9fc86c1e671d64077b2d1a19df7f24.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-i2c
Diffstat (limited to 'board/samsung/common/multi_i2c.c')
-rw-r--r-- | board/samsung/common/multi_i2c.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/board/samsung/common/multi_i2c.c b/board/samsung/common/multi_i2c.c new file mode 100644 index 0000000..d6c3d37 --- /dev/null +++ b/board/samsung/common/multi_i2c.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Lukasz Majewski <l.majewski@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <i2c.h> + +/* Handle multiple I2C buses instances */ +int get_multi_scl_pin(void) +{ + unsigned int bus = I2C_GET_BUS(); + + switch (bus) { + case I2C_0: /* I2C_0 definition - compatibility layer */ + case I2C_5: + return CONFIG_SOFT_I2C_I2C5_SCL; + case I2C_9: + return CONFIG_SOFT_I2C_I2C9_SCL; + default: + printf("I2C_%d not supported!\n", bus); + }; + + return 0; +} + +int get_multi_sda_pin(void) +{ + unsigned int bus = I2C_GET_BUS(); + + switch (bus) { + case I2C_0: /* I2C_0 definition - compatibility layer */ + case I2C_5: + return CONFIG_SOFT_I2C_I2C5_SDA; + case I2C_9: + return CONFIG_SOFT_I2C_I2C9_SDA; + default: + printf("I2C_%d not supported!\n", bus); + }; + + return 0; +} + +int multi_i2c_init(void) +{ + return 0; +} |