diff options
Diffstat (limited to 'arch/m68k/coldfire/m527x.c')
| -rw-r--r-- | arch/m68k/coldfire/m527x.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/m68k/coldfire/m527x.c b/arch/m68k/coldfire/m527x.c index c0b3e28f91df..b10b436b5a31 100644 --- a/arch/m68k/coldfire/m527x.c +++ b/arch/m68k/coldfire/m527x.c @@ -36,6 +36,7 @@ DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK); DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK); DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK); DEFINE_CLK(fec1, "fec.1", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -50,6 +51,7 @@ struct clk *mcf_clks[] = { &clk_mcfqspi0, &clk_fec0, &clk_fec1, + &clk_mcfi2c0, NULL }; @@ -76,6 +78,31 @@ static void __init m527x_qspi_init(void) /***************************************************************************/ +static void __init m527x_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) +#if defined(CONFIG_M5271) + u8 par; + + /* setup Port FECI2C Pin Assignment Register for I2C */ + /* set PAR_SCL to SCL and PAR_SDA to SDA */ + par = readb(MCFGPIO_PAR_FECI2C); + par |= 0x0f; + writeb(par, MCFGPIO_PAR_FECI2C); +#elif defined(CONFIG_M5275) + u16 par; + + /* setup Port FECI2C Pin Assignment Register for I2C */ + /* set PAR_SCL to SCL and PAR_SDA to SDA */ + par = readw(MCFGPIO_PAR_FECI2C); + par |= 0x0f; + writew(par, MCFGPIO_PAR_FECI2C); +#endif +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + static void __init m527x_uarts_init(void) { u16 sepmask; @@ -122,6 +149,7 @@ void __init config_BSP(char *commandp, int size) m527x_uarts_init(); m527x_fec_init(); m527x_qspi_init(); + m527x_i2c_init(); } /***************************************************************************/ |