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Message-ID: <20241107-qcom_ipq_cmnpll-v6-5-a5cfe09de485@quicinc.com>
Date: Thu, 7 Nov 2024 17:50:26 +0800
From: Luo Jie <quic_luoj@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
Michael Turquette
<mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Rob Herring
<robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley
<conor+dt@...nel.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon
<will@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <quic_kkumarcs@...cinc.com>,
<quic_suruchia@...cinc.com>, <quic_pavir@...cinc.com>,
<quic_linchen@...cinc.com>, <quic_leiwei@...cinc.com>,
<bartosz.golaszewski@...aro.org>, <srinivas.kandagatla@...aro.org>,
Luo Jie
<quic_luoj@...cinc.com>
Subject: [PATCH v6 5/5] arm64: dts: qcom: Update IPQ9574 xo_board_clk to
use fixed factor clock
xo_board_clk 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 <quic_luoj@...cinc.com>
---
arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi | 7 ++++++-
arch/arm64/boot/dts/qcom/ipq9574.dtsi | 3 ++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
index 78f6a2e053d5..9a8692377176 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
@@ -174,8 +174,13 @@ &ref_48mhz_clk {
clock-mult = <1>;
};
+/*
+ * The frequency of xo_board_clk is fixed to 24 MHZ, which is routed
+ * from WiFi output clock 48 MHZ divided by 2.
+ */
&xo_board_clk {
- clock-frequency = <24000000>;
+ clock-div = <2>;
+ clock-mult = <1>;
};
&xo_clk {
diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 8246a00a3e3e..25aed33e9358 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -32,7 +32,8 @@ sleep_clk: sleep-clk {
};
xo_board_clk: xo-board-clk {
- compatible = "fixed-clock";
+ compatible = "fixed-factor-clock";
+ clocks = <&ref_48mhz_clk>;
#clock-cells = <0>;
};
--
2.34.1
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