[PATCH v2 12/12] arm64: dts: qcom: Update IPQ5210 xo_board to use fixed factor clock

Luo Jie <[email protected]> Thu, 06 Aug 2026 23:53:16 -0700
Newsgroups org.kernel.vger.linux-clk,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
xo_board is fixed to 24 MHZ, which is routed from WiFi output clock
48 MHZ (also being the reference clock of CMN PLL) divided 2 by
analog block routing channel.

Signed-off-by: Luo Jie <[email protected]>
---
 arch/arm64/boot/dts/qcom/ipq5210-rdp504.dts | 7 ++++++-
 arch/arm64/boot/dts/qcom/ipq5210.dtsi       | 3 ++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq5210-rdp504.dts b/arch/arm64/boot/dts/qcom/ipq5210-rdp504.dts
index 7410d092814e..fa537633d5f5 100644
--- a/arch/arm64/boot/dts/qcom/ipq5210-rdp504.dts
+++ b/arch/arm64/boot/dts/qcom/ipq5210-rdp504.dts
@@ -85,8 +85,13 @@ &ref_48mhz_clk {
 	clock-mult = <1>;
 };
 
+/*
+ * The frequency of xo_board is fixed to 24 MHZ, which is routed
+ * from WiFi output clock 48 MHZ divided by 2.
+ */
 &xo_board {
-	clock-frequency = <24000000>;
+	clock-div = <2>;
+	clock-mult = <1>;
 };
 
 &xo_clk {
diff --git a/arch/arm64/boot/dts/qcom/ipq5210.dtsi b/arch/arm64/boot/dts/qcom/ipq5210.dtsi
index 7025bdd9036e..8f6b37041132 100644
--- a/arch/arm64/boot/dts/qcom/ipq5210.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5210.dtsi
@@ -26,7 +26,8 @@ sleep_clk: sleep-clk {
 		};
 
 		xo_board: xo-board-clk {
-			compatible = "fixed-clock";
+			compatible = "fixed-factor-clock";
+			clocks = <&xo_clk>;
 			#clock-cells = <0>;
 		};
 

-- 
2.43.0