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| author | Naveen Krishna Ch <ch.naveen@samsung.com> | 2013-10-15 16:02:44 +0530 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2013-10-17 07:20:26 +0200 |
| commit | 296a461dcab70c4d18e51389a6f020b4ddfe88af (patch) | |
| tree | f0556ea1e7291e3776dd329812c4c50847a6b7f2 /drivers/i2c/s3c24x0_i2c.h | |
| parent | 940dd1624255baac928dbac5dc2e3147477ba02f (diff) | |
| download | olio-uboot-2014.01-296a461dcab70c4d18e51389a6f020b4ddfe88af.tar.xz olio-uboot-2014.01-296a461dcab70c4d18e51389a6f020b4ddfe88af.zip | |
i2c: s3c24xx: add hsi2c controller support
Add support for hsi2c controller available on exynos5420.
Note: driver currently supports only fast speed mode 100kbps
Change-Id: I02555b1dc8f4ac21c50aa5158179768563c92f43
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Signed-off-by: R. Chandrasekar <rc.sekar@samsung.com>
Diffstat (limited to 'drivers/i2c/s3c24x0_i2c.h')
| -rw-r--r-- | drivers/i2c/s3c24x0_i2c.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/i2c/s3c24x0_i2c.h b/drivers/i2c/s3c24x0_i2c.h index 882af6206..1ae73d277 100644 --- a/drivers/i2c/s3c24x0_i2c.h +++ b/drivers/i2c/s3c24x0_i2c.h @@ -15,11 +15,48 @@ struct s3c24x0_i2c { u32 iiclc; }; +struct exynos5_hsi2c { + u32 usi_ctl; + u32 usi_fifo_ctl; + u32 usi_trailing_ctl; + u32 usi_clk_ctl; + u32 usi_clk_slot; + u32 spi_ctl; + u32 uart_ctl; + u32 res1; + u32 usi_int_en; + u32 usi_int_stat; + u32 usi_modem_stat; + u32 usi_error_stat; + u32 usi_fifo_stat; + u32 usi_txdata; + u32 usi_rxdata; + u32 res2; + u32 usi_conf; + u32 usi_auto_conf; + u32 usi_timeout; + u32 usi_manual_cmd; + u32 usi_trans_status; + u32 usi_timing_hs1; + u32 usi_timing_hs2; + u32 usi_timing_hs3; + u32 usi_timing_fs1; + u32 usi_timing_fs2; + u32 usi_timing_fs3; + u32 usi_timing_sla; + u32 i2c_addr; +}; + struct s3c24x0_i2c_bus { bool active; /* port is active and available */ int node; /* device tree node */ int bus_num; /* i2c bus number */ struct s3c24x0_i2c *regs; + struct exynos5_hsi2c *hsregs; + int is_highspeed; /* High speed type, rather than I2C */ + unsigned clock_frequency; int id; + unsigned clk_cycle; + unsigned clk_div; }; #endif /* _S3C24X0_I2C_H */ |