ARM: at91/tc: add device tree support to atmel_tclib

Device tree support added to atmel_tclib: the generic Timer Counter
library. This is used by the clocksource/clockevent driver tcb_clksrc.

The current DT enabled platforms are also modified to use it:
- .dtsi files are modified to add Timer Counter Block entries
- alias are created to allow identification of each block
- clkdev lookup tables are added for clocks identification.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 4ade265be805..14b5a9c9a514 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -209,6 +209,13 @@ static struct clk_lookup periph_clocks_lookups[] = {
         CLKDEV_CON_DEV_ID("usart", "fffd0000.serial", &usart3_clk),
         CLKDEV_CON_DEV_ID("usart", "fffd4000.serial", &usart4_clk),
         CLKDEV_CON_DEV_ID("usart", "fffd8000.serial", &usart5_clk),
+        /* more tc lookup table for DT entries */
+        CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
+        CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
+        CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk),
+        CLKDEV_CON_DEV_ID("t0_clk", "fffdc000.timer", &tc3_clk),
+        CLKDEV_CON_DEV_ID("t1_clk", "fffdc000.timer", &tc4_clk),
+        CLKDEV_CON_DEV_ID("t2_clk", "fffdc000.timer", &tc5_clk),
         /* fake hclk clock */
         CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
         CLKDEV_CON_ID("pioA", &pioA_clk),