Re: [PATCH v2 12/15] arm64: dts: qcom: sm6125: Switch fixed xo_board clock to RPM XO clock

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On 27/06/2023 23:14, Marijn Suijten wrote:
We have a working RPM XO clock; no other driver except rpmcc should be
parenting directly to the fixed-factor xo_board clock nor should it be
reachable by that global name.  Remove the name to that effect, so that
every clock relation is explicitly defined in DTS.

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sm6125.dtsi | 7 ++++---
  1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm6125.dtsi b/arch/arm64/boot/dts/qcom/sm6125.dtsi
index 722dde560bec..edb03508dba3 100644
--- a/arch/arm64/boot/dts/qcom/sm6125.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6125.dtsi
@@ -22,7 +22,6 @@ xo_board: xo-board {
  			compatible = "fixed-clock";
  			#clock-cells = <0>;
  			clock-frequency = <19200000>;
-			clock-output-names = "xo_board";

Why? I'd say, leave it.

With that fixed:

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

  		};
sleep_clk: sleep-clk {
@@ -306,6 +305,8 @@ rpm_requests: rpm-requests {
  			rpmcc: clock-controller {
  				compatible = "qcom,rpmcc-sm6125", "qcom,rpmcc";
  				#clock-cells = <1>;
+				clocks = <&xo_board>;
+				clock-names = "xo";
  			};
rpmpd: power-controller {
@@ -713,7 +714,7 @@ sdhc_1: mmc@4744000 {
clocks = <&gcc GCC_SDCC1_AHB_CLK>,
  				 <&gcc GCC_SDCC1_APPS_CLK>,
-				 <&xo_board>;
+				 <&rpmcc RPM_SMD_XO_CLK_SRC>;
  			clock-names = "iface", "core", "xo";
  			iommus = <&apps_smmu 0x160 0x0>;
@@ -740,7 +741,7 @@ sdhc_2: mmc@4784000 { clocks = <&gcc GCC_SDCC2_AHB_CLK>,
  				 <&gcc GCC_SDCC2_APPS_CLK>,
-				 <&xo_board>;
+				 <&rpmcc RPM_SMD_XO_CLK_SRC>;
  			clock-names = "iface", "core", "xo";
  			iommus = <&apps_smmu 0x180 0x0>;

--
With best wishes
Dmitry




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