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Diffstat (limited to 'arch/m68k/coldfire/m54xx.c')
-rw-r--r--arch/m68k/coldfire/m54xx.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c
index 386df3b68cdf..c552851ec617 100644
--- a/arch/m68k/coldfire/m54xx.c
+++ b/arch/m68k/coldfire/m54xx.c
@@ -37,6 +37,7 @@ DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfuart3, "mcfuart.3", 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_mcfuart1,
&clk_mcfuart2,
&clk_mcfuart3,
+ &clk_mcfi2c0,
NULL
};
@@ -65,6 +67,20 @@ static void __init m54xx_uarts_init(void)
/***************************************************************************/
+static void __init m54xx_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ u32 r;
+
+ /* set the fec/i2c/irq pin assignment register for i2c */
+ r = readl(MCF_PAR_FECI2CIRQ);
+ r |= MCF_PAR_FECI2CIRQ_SDA | MCF_PAR_FECI2CIRQ_SCL;
+ writel(r, MCF_PAR_FECI2CIRQ);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void mcf54xx_reset(void)
{
/* disable interrupts and enable the watchdog */
@@ -86,6 +102,7 @@ void __init config_BSP(char *commandp, int size)
mach_reset = mcf54xx_reset;
mach_sched_init = hw_timer_init;
m54xx_uarts_init();
+ m54xx_i2c_init();
}
/***************************************************************************/