git.openwrt.org Git - openwrt/openwrt.git/blob

   1 From dcb1e63fbc695c3971d7207238a78f66355a2f9a Mon Sep 17 00:00:00 2001
   2 From: Luo Jie <quic_luoj@quicinc.com>
   3 Date: Thu, 7 Nov 2024 17:50:26 +0800
   4 Subject: [PATCH 5/5] arm64: dts: qcom: Update IPQ9574 xo_board_clk to use
   5  fixed factor clock
   6
   7 xo_board_clk is fixed to 24 MHZ, which is routed from WiFi output clock
   8 48 MHZ (also being the reference clock of CMN PLL) divided 2 by analog
   9 block routing channel.
  10
  11 Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
  12 ---
  13  arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi | 7 ++++++-
  14  arch/arm64/boot/dts/qcom/ipq9574.dtsi            | 3 ++-
  15  2 files changed, 8 insertions(+), 2 deletions(-)
  16
  17 diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
  18 index 78f6a2e053d5..9a8692377176 100644
  19 --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
  20 +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
  21 @@ -174,8 +174,13 @@ &ref_48mhz_clk {
  22         clock-mult = <1>;
  23  };
  24
  25 +/*
  26 + * The frequency of xo_board_clk is fixed to 24 MHZ, which is routed
  27 + * from WiFi output clock 48 MHZ divided by 2.
  28 + */
  29  &xo_board_clk {
  30 -       clock-frequency = <24000000>;
  31 +       clock-div = <2>;
  32 +       clock-mult = <1>;
  33  };
  34
  35  &xo_clk {
  36 diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
  37 index dc4965abff58..376b75976524 100644
  38 --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
  39 +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
  40 @@ -34,7 +34,8 @@ sleep_clk: sleep-clk {
  41                 };
  42
  43                 xo_board_clk: xo-board-clk {
  44 -                       compatible = "fixed-clock";
  45 +                       compatible = "fixed-factor-clock";
  46 +                       clocks = <&ref_48mhz_clk>;
  47                         #clock-cells = <0>;
  48                 };
  49
  50 --
  51 2.45.2
  52