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authorLuo Jie <quic_luoj@quicinc.com>2025-06-10 18:35:21 +0800
committerBjorn Andersson <andersson@kernel.org>2025-08-11 13:22:43 -0500
commite5612530e325897da9a70dc78828d6ff2138ae32 (patch)
tree033b261d53e2fdc2a0006eea09de6267b9f85606
parent682c9d0e788b2e35ece1cbae5448bec1dadaf9af (diff)
arm64: dts: qcom: Update IPQ5424 xo_board to use fixed factor clock
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. Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Signed-off-by: Luo Jie <quic_luoj@quicinc.com> Link: https://lore.kernel.org/r/20250610-qcom_ipq5424_cmnpll-v3-4-ceada8165645@quicinc.com Signed-off-by: Bjorn Andersson <andersson@kernel.org>
-rw-r--r--arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts7
-rw-r--r--arch/arm64/boot/dts/qcom/ipq5424.dtsi3
2 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
index 5ca578904f85..117f1785e8b8 100644
--- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
+++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
@@ -264,8 +264,13 @@
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/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
index 13c641fced8f..2eea8a078595 100644
--- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
@@ -31,7 +31,8 @@
};
xo_board: xo-board-clk {
- compatible = "fixed-clock";
+ compatible = "fixed-factor-clock";
+ clocks = <&ref_48mhz_clk>;
#clock-cells = <0>;
};