diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9261.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9261.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index e3bafaebe010..c1483168c97a 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -178,6 +178,24 @@ static struct clk *periph_clocks[] __initdata = { // irq0 .. irq2 }; +static struct clk_lookup periph_clocks_lookups[] = { + CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk), + CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk), + CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), + CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), + CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc1_clk), + CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), + CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), + CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk), +}; + +static struct clk_lookup usart_clocks_lookups[] = { + CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck), + CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk), + CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk), + CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk), +}; + /* * The four programmable clocks. * You must configure pin multiplexing to bring these signals out. @@ -228,6 +246,11 @@ static void __init at91sam9261_register_clocks(void) for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) clk_register(periph_clocks[i]); + clkdev_add_table(periph_clocks_lookups, + ARRAY_SIZE(periph_clocks_lookups)); + clkdev_add_table(usart_clocks_lookups, + ARRAY_SIZE(usart_clocks_lookups)); + clk_register(&pck0); clk_register(&pck1); clk_register(&pck2); @@ -237,6 +260,18 @@ static void __init at91sam9261_register_clocks(void) clk_register(&hck1); } +static struct clk_lookup console_clock_lookup; + +void __init at91sam9261_set_console_clock(int id) +{ + if (id >= ARRAY_SIZE(usart_clocks_lookups)) + return; + + console_clock_lookup.con_id = "usart"; + console_clock_lookup.clk = usart_clocks_lookups[id].clk; + clkdev_add(&console_clock_lookup); +} + /* -------------------------------------------------------------------- * GPIO * -------------------------------------------------------------------- */ |