diff options
| author | Albert ARIBAUD \(3ADEV\) <albert.aribaud@3adev.fr> | 2015-03-31 11:40:45 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2015-04-10 14:23:07 +0200 |
| commit | 5e862b95399e6e5ea7748ee29a38756685d622fd (patch) | |
| tree | 030286526ba8325c0df98b1f4a2f8c60a034a4c1 /arch/arm/cpu/arm926ejs | |
| parent | c8381bf435ddb104594df00411a8ebd049dd753c (diff) | |
lpc32xx: i2c: add LPC32xx I2C interface support
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Diffstat (limited to 'arch/arm/cpu/arm926ejs')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/lpc32xx/devices.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c index be4c93deb2..81b53eaa6d 100644 --- a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c +++ b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c @@ -50,3 +50,14 @@ void lpc32xx_mlc_nand_init(void) /* Enable NAND interface */ writel(CLK_NAND_MLC | CLK_NAND_MLC_INT, &clk->flashclk_ctrl); } + +void lpc32xx_i2c_init(unsigned int devnum) +{ + /* Enable I2C interface */ + uint32_t ctrl = readl(&clk->i2cclk_ctrl); + if (devnum == 1) + ctrl |= CLK_I2C1_ENABLE; + if (devnum == 2) + ctrl |= CLK_I2C2_ENABLE; + writel(ctrl, &clk->i2cclk_ctrl); +} |