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Diffstat (limited to 'arch/m68k/coldfire/m523x.c')
-rw-r--r--arch/m68k/coldfire/m523x.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/m68k/coldfire/m523x.c b/arch/m68k/coldfire/m523x.c
index a191a467eff2..f7a0fcc5618c 100644
--- a/arch/m68k/coldfire/m523x.c
+++ b/arch/m68k/coldfire/m523x.c
@@ -34,6 +34,7 @@ DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -47,6 +48,7 @@ struct clk *mcf_clks[] = {
&clk_mcfuart2,
&clk_mcfqspi0,
&clk_fec0,
+ &clk_mcfi2c0,
NULL
};
@@ -68,6 +70,21 @@ static void __init m523x_qspi_init(void)
/***************************************************************************/
+static void __init m523x_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ u8 par;
+
+ /* setup Port AS Pin Assignment Register for I2C */
+ /* set PASPA0 to SCL and PASPA1 to SDA */
+ par = readb(MCFGPIO_PAR_FECI2C);
+ par |= 0x0f;
+ writeb(par, MCFGPIO_PAR_FECI2C);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void __init m523x_fec_init(void)
{
/* Set multi-function pins to ethernet use */
@@ -81,6 +98,7 @@ void __init config_BSP(char *commandp, int size)
mach_sched_init = hw_timer_init;
m523x_fec_init();
m523x_qspi_init();
+ m523x_i2c_init();
}
/***************************************************************************/