linux-kernel - [PATCH v3 4/4] arm64: dts: qcom: sm8150: add necessary ref clock to PCIe

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Message-Id: <20231208105155.36097-4-krzysztof.kozlowski@linaro.org>
Date:   Fri,  8 Dec 2023 11:51:55 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 4/4] arm64: dts: qcom: sm8150: add necessary ref clock to PCIe

The PCIe nodes should get the ref clock, according to information from
Qualcomm.

Link: https://lore.kernel.org/all/20231121065440.GB3315@thinkpad/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Patch should go via Qcom tree, if the bindings get accepted.

Changes in v3:
1. New patch
---
 arch/arm64/boot/dts/qcom/sm8150.dtsi | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index 5edc557ba04a..22ee3cd5549d 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -1858,14 +1858,16 @@ pcie0: pci@...0000 {
 				 <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
 				 <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>,
-				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>,
+				 <&rpmhcc RPMH_CXO_CLK>;
 			clock-names = "pipe",
 				      "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
 				      "slave_q2a",
-				      "tbu";
+				      "tbu",
+				      "ref";
 
 			iommu-map = <0x0   &apps_smmu 0x1d80 0x1>,
 				    <0x100 &apps_smmu 0x1d81 0x1>;
@@ -1949,14 +1951,16 @@ pcie1: pci@...8000 {
 				 <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
 				 <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
-				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>,
+				 <&rpmhcc RPMH_CXO_CLK>;
 			clock-names = "pipe",
 				      "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
 				      "slave_q2a",
-				      "tbu";
+				      "tbu",
+				      "ref";
 
 			assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
-- 
2.34.1