[PATCH 01/10] arm64: zynqmp: Add missing silabs, skip-recall for si570 ref clk nodes

Michal Simek michal.simek at xilinx.com
Mon May 10 16:17:40 CEST 2021


All si570 which are used for ps reference clock generation should contain
silabs,skip-recall property not to cause break on ps clock.
On Versal boards this will cause hang on Versal cpu when it is booted at
the same time with SC.

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

 arch/arm/dts/zynqmp-e-a2197-00-revA.dts | 1 +
 arch/arm/dts/zynqmp-m-a2197-01-revA.dts | 3 ++-
 arch/arm/dts/zynqmp-m-a2197-02-revA.dts | 3 ++-
 arch/arm/dts/zynqmp-m-a2197-03-revA.dts | 3 ++-
 arch/arm/dts/zynqmp-p-a2197-00-revA.dts | 1 +
 5 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/arm/dts/zynqmp-e-a2197-00-revA.dts b/arch/arm/dts/zynqmp-e-a2197-00-revA.dts
index aae3c626f562..135c83f502e8 100644
--- a/arch/arm/dts/zynqmp-e-a2197-00-revA.dts
+++ b/arch/arm/dts/zynqmp-e-a2197-00-revA.dts
@@ -475,6 +475,7 @@
 				factory-fout = <33333333>;
 				clock-frequency = <33333333>;
 				clock-output-names = "ref_clk";
+				silabs,skip-recall;
 			};
 			/* and connector J212D */
 		};
diff --git a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
index 19e1ebdb1d6a..213149a3dc83 100644
--- a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
@@ -343,9 +343,10 @@
 				compatible = "silabs,si570";
 				reg = <0x5d>; /* FIXME addr */
 				temperature-stability = <50>;
-				factory-fout = <156250000>; /* FIXME every chip can be different */
+				factory-fout = <33333333>;
 				clock-frequency = <33333333>;
 				clock-output-names = "REF_CLK"; /* FIXME */
+				silabs,skip-recall;
 			};
 			/* Connection via Samtec U20D */
 			/* Use for storing information about X-PRC card */
diff --git a/arch/arm/dts/zynqmp-m-a2197-02-revA.dts b/arch/arm/dts/zynqmp-m-a2197-02-revA.dts
index 46ec427648fa..c458110e5a89 100644
--- a/arch/arm/dts/zynqmp-m-a2197-02-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-02-revA.dts
@@ -349,9 +349,10 @@
 				compatible = "silabs,si570";
 				reg = <0x5d>; /* FIXME addr */
 				temperature-stability = <50>;
-				factory-fout = <156250000>; /* FIXME every chip can be different */
+				factory-fout = <33333333>;
 				clock-frequency = <33333333>;
 				clock-output-names = "REF_CLK"; /* FIXME */
+				silabs,skip-recall;
 			};
 			/* Connection via Samtec U20D */
 			/* Use for storing information about X-PRC card */
diff --git a/arch/arm/dts/zynqmp-m-a2197-03-revA.dts b/arch/arm/dts/zynqmp-m-a2197-03-revA.dts
index 6eb58e6701ad..cee7ca1fa995 100644
--- a/arch/arm/dts/zynqmp-m-a2197-03-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-03-revA.dts
@@ -339,9 +339,10 @@
 				compatible = "silabs,si570";
 				reg = <0x5d>; /* FIXME addr */
 				temperature-stability = <50>;
-				factory-fout = <156250000>; /* FIXME every chip can be different */
+				factory-fout = <33333333>;
 				clock-frequency = <33333333>;
 				clock-output-names = "REF_CLK"; /* FIXME */
+				silabs,skip-recall;
 			};
 			/* Connection via Samtec U20D */
 			/* Use for storing information about X-PRC card */
diff --git a/arch/arm/dts/zynqmp-p-a2197-00-revA.dts b/arch/arm/dts/zynqmp-p-a2197-00-revA.dts
index 4f7824ae4007..8e1e6b7f903b 100644
--- a/arch/arm/dts/zynqmp-p-a2197-00-revA.dts
+++ b/arch/arm/dts/zynqmp-p-a2197-00-revA.dts
@@ -390,6 +390,7 @@
 				factory-fout = <33333333>;
 				clock-frequency = <33333333>;
 				clock-output-names = "ref_clk";
+				silabs,skip-recall;
 			};
 			/* Connection via Samtec J212D */
 			/* Use for storing information about X-PRC card */
-- 
2.31.1



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