From: Sinthu Raja <sinthu.raja@ti.com>
Clock drift of approximately 500 ppm is observed with 'counter_32k'
as clocksource. Clock drift is seen because 'counter_32k' is running
with 32786Hz frequency instead it should run with 32768Hz. Use DMTimer as
clocksource, which is running at 32768Hz to fix the clock drift issue.
Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Signed-off-by: Anurag Dutta <a-dutta@ti.com>
---
arch/arm/boot/dts/ti/omap/am57xx-beagle-x15.dts | 9 +++++++++
arch/arm/boot/dts/ti/omap/dra7-l4.dtsi | 2 +-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/ti/omap/am57xx-beagle-x15.dts b/arch/arm/boot/dts/ti/omap/am57xx-beagle-x15.dts
index 0a8b16505ed9..83009883277e 100644
--- a/arch/arm/boot/dts/ti/omap/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/ti/omap/am57xx-beagle-x15.dts
@@ -36,3 +36,12 @@ &mmc2 {
&phy1 {
max-speed = <100>;
};
+
+&timer12_target {
+ ti,no-reset-on-init;
+ ti,no-idle;
+};
+
+&counter32k {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/ti/omap/dra7-l4.dtsi b/arch/arm/boot/dts/ti/omap/dra7-l4.dtsi
index ba7fdaae9c6e..0e0b5364be2b 100644
--- a/arch/arm/boot/dts/ti/omap/dra7-l4.dtsi
+++ b/arch/arm/boot/dts/ti/omap/dra7-l4.dtsi
@@ -4439,7 +4439,7 @@ segment@20000 { /* 0x4ae20000 */
<0x0000c000 0x0002c000 0x001000>, /* ap 29 */
<0x0000f000 0x0002f000 0x001000>; /* ap 32 */
- target-module@0 { /* 0x4ae20000, ap 19 08.0 */
+ timer12_target: target-module@0 { /* 0x4ae20000, ap 19 08.0 */
compatible = "ti,sysc-omap4-timer", "ti,sysc";
reg = <0x0 0x4>,
<0x10 0x4>;
--
2.34.1