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[2/2] clocksource: armada-370-xp: Add support for Armada 38x

Message ID 1392059274-26965-3-git-send-email-ezequiel.garcia@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ezequiel Garcia Feb. 10, 2014, 7:07 p.m. UTC 
From: Gregory CLEMENT <gregory.clement@free-electrons.com>

The Armada 38x has a 25 Mhz fixed clock. Therefore, we can model it
as compatible to the Armada XP timer for now. Nevertheless, we introduce
a new compatible string to allow future changes.

Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
---
 drivers/clocksource/time-armada-370-xp.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox

Patch

diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
index 87eda6d..9fd20b2 100644
--- a/drivers/clocksource/time-armada-370-xp.c
+++ b/drivers/clocksource/time-armada-370-xp.c
@@ -24,6 +24,8 @@ 
  *   * Armada 375 has a non-usable 25 Mhz fixed timer, due to hardware
  *     issues.
  *
+ *   * Armada 380 has a 25 Mhz fixed timer.
+ *
  *   * Armada XP cannot work properly without such 25 MHz fixed timer as
  *     doing otherwise leads to using a clocksource whose frequency varies
  *     when doing cpufreq frequency changes.
@@ -327,3 +329,11 @@  CLOCKSOURCE_OF_DECLARE(armada_370, "marvell,armada-370-timer",
  */
 CLOCKSOURCE_OF_DECLARE(armada_375, "marvell,armada-375-timer",
 		       armada_370_timer_init);
+
+/*
+ * Support the Armada 38x timer as identical to the Armada XP, using the
+ * available 25 MHz clock. We maintain a SoC-specific compatible string to
+ * allow to change this in the future.
+ */
+CLOCKSOURCE_OF_DECLARE(armada_380, "marvell,armada-380-timer",
+		       armada_xp_timer_init);