[PATCH 05/14] arm64: zynqmp: Setup default si570 frequency to 156.25MHz

Michal Simek michal.simek at amd.com
Mon Jan 8 07:39:16 PST 2024


All si570 mgt chips have factory default 156.25MHz but DT changed it to
148.5MHz. After tracking it is pretty much c&p fault taken from Zynq
zc702/zc706 boards where 148.5MHz was setup as default because it was
requirement for AD7511 chip available on these boards.
ZynqMP board don't contain this chip that's why factory default frequency
can be used.

Signed-off-by: Michal Simek <michal.simek at amd.com>
---

 arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts | 2 +-
 arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
index 55a8d3e9d44f..3b929c0eedcd 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
@@ -607,7 +607,7 @@ si570_2: clock-generator at 5d { /* USER MGT SI570 - u56 */
 				reg = <0x5d>;
 				temperature-stability = <50>; /* copy from zc702 */
 				factory-fout = <156250000>;
-				clock-frequency = <148500000>;
+				clock-frequency = <156250000>;
 				clock-output-names = "si570_mgt";
 			};
 		};
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
index afc5571bf72b..03955aa708d4 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
@@ -609,7 +609,7 @@ si570_2: clock-generator at 5d { /* USER MGT SI570 - u56 */
 				reg = <0x5d>;
 				temperature-stability = <50>; /* copy from zc702 */
 				factory-fout = <156250000>;
-				clock-frequency = <148500000>;
+				clock-frequency = <156250000>;
 				clock-output-names = "si570_mgt";
 			};
 		};
-- 
2.36.1




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