at91: switch to CLKDEV_LOOKUP

we do not change the clock naming convention so does not need to switch
the AVR32 yet

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>

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
  * -------------------------------------------------------------------- */