Re: [PATCH 1/2] arm64: dts: qcom: msm8976: Add and provide xo clk to rpmcc

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On 02/03/2023 14:30, Adam Skladowski wrote:
In order for consumers of RPMCC XO clock to probe successfully
their parent needs to be feed with reference clock to obtain proper rate,
add fixed xo-board clock and supply it to rpmcc to make consumers happy.
Frequency setting is left per board basis just like on other recent trees.

Fixes: 0484d3ce0902 ("arm64: dts: qcom: Add DTS for MSM8976 and MSM8956 SoCs")
Signed-off-by: Adam Skladowski <a39.skl@xxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/msm8976.dtsi | 9 +++++++++
  1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8976.dtsi b/arch/arm64/boot/dts/qcom/msm8976.dtsi
index 2d360d05aa5e..e55baafd9efd 100644
--- a/arch/arm64/boot/dts/qcom/msm8976.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8976.dtsi
@@ -20,6 +20,13 @@ / {
chosen { }; + clocks {
+		xo_board: xo-board {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;

With the clock-frequency moved here:

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

+		};
+	};
+
  	cpus {
  		#address-cells = <1>;
  		#size-cells = <0>;
@@ -351,6 +358,8 @@ rpm_requests: rpm-requests {
rpmcc: clock-controller {
  					compatible = "qcom,rpmcc-msm8976", "qcom,rpmcc";
+					clocks = <&xo_board>;
+					clock-names = "xo";
  					#clock-cells = <1>;
  				};

--
With best wishes
Dmitry




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