Boards/Generic support for the ATSAMR21G18-MR210UA module

boards/hssv-atsamr21-breakout/include/periph_conf.h

@@ -68,21 +68,44 @@ extern "C" {
  * @name    Timer peripheral configuration
  * @{
  */
-#define TIMER_NUMOF         (2U)
-#define TIMER_0_EN          1
-#define TIMER_1_EN          1
-
-/* Timer 0 configuration */
-#define TIMER_0_DEV         TC3->COUNT16
-#define TIMER_0_CHANNELS    2
-#define TIMER_0_MAX_VALUE   (0xffff)
-#define TIMER_0_ISR         isr_tc3
+static const tc32_conf_t timer_config[] = {
+    {   /* Timer 0 - System Clock */
+        .dev            = TC3,
+        .irq            = TC3_IRQn,
+        .pm_mask        = PM_APBCMASK_TC3,
+        .gclk_ctrl      = GCLK_CLKCTRL_ID_TCC2_TC3,
+#if CLOCK_USE_PLL || CLOCK_USE_XOSC32_DFLL
+        .gclk_src       = GCLK_CLKCTRL_GEN(1),
+        .prescaler      = TC_CTRLA_PRESCALER_DIV1,
+#else
+        .gclk_src       = GCLK_CLKCTRL_GEN(0),
+        .prescaler      = TC_CTRLA_PRESCALER_DIV8,
+#endif
+        .flags          = TC_CTRLA_MODE_COUNT16,
+    },
+    {   /* Timer 1 */
+        .dev            = TC4,
+        .irq            = TC4_IRQn,
+        .pm_mask        = PM_APBCMASK_TC4 | PM_APBCMASK_TC5,
+        .gclk_ctrl      = GCLK_CLKCTRL_ID_TC4_TC5,
+#if CLOCK_USE_PLL || CLOCK_USE_XOSC32_DFLL
+        .gclk_src       = GCLK_CLKCTRL_GEN(1),
+        .prescaler      = TC_CTRLA_PRESCALER_DIV1,
+#else
+        .gclk_src       = GCLK_CLKCTRL_GEN(0),
+        .prescaler      = TC_CTRLA_PRESCALER_DIV8,
+#endif
+        .flags          = TC_CTRLA_MODE_COUNT32,
+    }
+};
+
+#define TIMER_0_MAX_VALUE   0xffff
 
-/* Timer 1 configuration */
-#define TIMER_1_DEV         TC4->COUNT32
-#define TIMER_1_CHANNELS    2
-#define TIMER_1_MAX_VALUE   (0xffffffff)
+/* interrupt function name mapping */
+#define TIMER_0_ISR         isr_tc3
 #define TIMER_1_ISR         isr_tc4
+
+#define TIMER_NUMOF         (sizeof(timer_config) / sizeof(timer_config[0]))
 /** @} */
 
 /**