ARM: at91: add at91sam9263 DT support

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

2 files changed, 30 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 7fae36502fbb..ed91c7e9f7c2 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -199,6 +199,16 @@ static struct clk_lookup periph_clocks_lookups[] = {
         CLKDEV_CON_ID("pioC", &pioCDE_clk),
         CLKDEV_CON_ID("pioD", &pioCDE_clk),
         CLKDEV_CON_ID("pioE", &pioCDE_clk),
+        /* more usart lookup table for DT entries */
+        CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),
+        CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),
+        CLKDEV_CON_DEV_ID("usart", "fff90000.serial", &usart1_clk),
+        CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk),
+        /* more tc lookup table for DT entries */
+        CLKDEV_CON_DEV_ID("t0_clk", "fff7c000.timer", &tcb_clk),
+        CLKDEV_CON_DEV_ID("hclk", "a00000.ohci", &ohci_clk),
+        CLKDEV_CON_DEV_ID("spi_clk", "fffa4000.spi", &spi0_clk),
+        CLKDEV_CON_DEV_ID("spi_clk", "fffa8000.spi", &spi1_clk),
 };
 
 static struct clk_lookup usart_clocks_lookups[] = {
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index dfe5bc006d5e..175e0009eaa9 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -953,8 +953,25 @@ static struct platform_device at91sam9263_tcb_device = {
         .num_resources  = ARRAY_SIZE(tcb_resources),
 };
 
+#if defined(CONFIG_OF)
+static struct of_device_id tcb_ids[] = {
+        { .compatible = "atmel,at91rm9200-tcb" },
+        { /*sentinel*/ }
+};
+#endif
+
 static void __init at91_add_device_tc(void)
 {
+#if defined(CONFIG_OF)
+        struct device_node *np;
+
+        np = of_find_matching_node(NULL, tcb_ids);
+        if (np) {
+                of_node_put(np);
+                return;
+        }
+#endif
+
         platform_device_register(&at91sam9263_tcb_device);
 }
 #else
@@ -1483,6 +1500,9 @@ void __init at91_add_device_serial(void) {}
  */
 static int __init at91_add_standard_devices(void)
 {
+        if (of_have_populated_dt())
+                return 0;
+
         at91_add_device_rtt();
         at91_add_device_watchdog();
         at91_add_device_tc();