From f6689614856b7eb9099dbbe21c8880ffbd80514e Mon Sep 17 00:00:00 2001
From: Harini Katakam <harini.katakam@amd.com>
Date: Mon, 10 Jul 2023 14:37:30 +0200
Subject: [PATCH] arm64: zynqmp: Assign TSU clock frequency for KR260
Set TSU clock frequency as 250MHz (minimum when running at 1G) on
KR260 CC to allow PTP functionality.
Signed-off-by: Harini Katakam <harini.katakam@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/d065b5c2c6450910bf57d104d65946111493caaa.1688992653.git.michal.simek@amd.com
---
arch/arm/dts/zynqmp-clk-ccf.dtsi | 4 ++++
arch/arm/dts/zynqmp-sck-kr-g-revA.dts | 2 ++
arch/arm/dts/zynqmp-sck-kr-g-revB.dts | 2 ++
3 files changed, 8 insertions(+)
diff --git a/arch/arm/dts/zynqmp-clk-ccf.dtsi b/arch/arm/dts/zynqmp-clk-ccf.dtsi
index 4d44924f66..a21dca87d2 100644
--- a/arch/arm/dts/zynqmp-clk-ccf.dtsi
+++ b/arch/arm/dts/zynqmp-clk-ccf.dtsi
@@ -169,24 +169,28 @@
clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM0_REF>,
<&zynqmp_clk GEM0_TX>, <&zynqmp_clk GEM0_RX>,
<&zynqmp_clk GEM_TSU>;
+ assigned-clocks = <&zynqmp_clk GEM_TSU>;
};
&gem1 {
clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
<&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
<&zynqmp_clk GEM_TSU>;
+ assigned-clocks = <&zynqmp_clk GEM_TSU>;
};
&gem2 {
clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM2_REF>,
<&zynqmp_clk GEM2_TX>, <&zynqmp_clk GEM2_RX>,
<&zynqmp_clk GEM_TSU>;
+ assigned-clocks = <&zynqmp_clk GEM_TSU>;
};
&gem3 {
clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM3_REF>,
<&zynqmp_clk GEM3_TX>, <&zynqmp_clk GEM3_RX>,
<&zynqmp_clk GEM_TSU>;
+ assigned-clocks = <&zynqmp_clk GEM_TSU>;
};
&gpio {
diff --git a/arch/arm/dts/zynqmp-sck-kr-g-revA.dts b/arch/arm/dts/zynqmp-sck-kr-g-revA.dts
index 5ac66bc1ec..caaf71d729 100644
--- a/arch/arm/dts/zynqmp-sck-kr-g-revA.dts
+++ b/arch/arm/dts/zynqmp-sck-kr-g-revA.dts
@@ -188,6 +188,7 @@
phy-handle = <&phy0>;
phy-mode = "sgmii";
is-internal-pcspma;
+ assigned-clock-rates = <250000000>;
};
&gem1 { /* mdio mio50/51, gem mio38 - mio49 */
@@ -196,6 +197,7 @@
pinctrl-0 = <&pinctrl_gem1_default>;
phy-handle = <&phy1>;
phy-mode = "rgmii-id";
+ assigned-clock-rates = <250000000>;
mdio: mdio {
#address-cells = <1>;
diff --git a/arch/arm/dts/zynqmp-sck-kr-g-revB.dts b/arch/arm/dts/zynqmp-sck-kr-g-revB.dts
index 401de9efb9..f9d87559a7 100644
--- a/arch/arm/dts/zynqmp-sck-kr-g-revB.dts
+++ b/arch/arm/dts/zynqmp-sck-kr-g-revB.dts
@@ -188,6 +188,7 @@
phy-handle = <&phy0>;
phy-mode = "sgmii";
is-internal-pcspma;
+ assigned-clock-rates = <250000000>;
};
&gem1 { /* mdio mio50/51, gem mio38 - mio49 */
@@ -196,6 +197,7 @@
pinctrl-0 = <&pinctrl_gem1_default>;
phy-handle = <&phy1>;
phy-mode = "rgmii-id";
+ assigned-clock-rates = <250000000>;
mdio: mdio {
#address-cells = <1>;
--
2.39.5