From 5e862b95399e6e5ea7748ee29a38756685d622fd Mon Sep 17 00:00:00 2001 From: "Albert ARIBAUD \\(3ADEV\\)" Date: Tue, 31 Mar 2015 11:40:45 +0200 Subject: lpc32xx: i2c: add LPC32xx I2C interface support Signed-off-by: Albert ARIBAUD (3ADEV) --- arch/arm/cpu/arm926ejs/lpc32xx/devices.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/arm/cpu/arm926ejs') diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c index be4c93d..81b53ea 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); +} -- cgit v1.1