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-rw-r--r--dts/src/arm/dra7.dtsi10
1 files changed, 10 insertions, 0 deletions
diff --git a/dts/src/arm/dra7.dtsi b/dts/src/arm/dra7.dtsi
index c4d9175..f82aa44 100644
--- a/dts/src/arm/dra7.dtsi
+++ b/dts/src/arm/dra7.dtsi
@@ -1500,6 +1500,16 @@
0x48485200 0x2E00>;
#address-cells = <1>;
#size-cells = <1>;
+
+ /*
+ * Do not allow gating of cpsw clock as workaround
+ * for errata i877. Keeping internal clock disabled
+ * causes the device switching characteristics
+ * to degrade over time and eventually fail to meet
+ * the data manual delay time/skew specs.
+ */
+ ti,no-idle;
+
/*
* rx_thresh_pend
* rx_pend