linux-kernel - [PATCH RFC 2/5] arm64: dts: qcom: sc7280: move pipe mux handling to phy

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Date:   Thu, 21 Apr 2022 12:20:38 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        "Stephen Boyd" <swboyd@...omium.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Prasad Malisetty <quic_pmaliset@...cinc.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-phy@...ts.infradead.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH RFC 2/5] arm64: dts: qcom: sc7280: move pipe mux handling to phy

The QMP PHY pipe clock remuxing is part of the PHY, which is both the
producer and the consumer of the pipe clock.

Update the PCIe controller and PHY node to reflect the new binding.

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index c07765df9303..b3a9630262dc 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -1837,11 +1837,7 @@ pcie1: pci@...8000 {
 					<0 0 0 3 &intc 0 0 0 438 IRQ_TYPE_LEVEL_HIGH>,
 					<0 0 0 4 &intc 0 0 0 439 IRQ_TYPE_LEVEL_HIGH>;
 
-			clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
-				 <&gcc GCC_PCIE_1_PIPE_CLK_SRC>,
-				 <&pcie1_lane 0>,
-				 <&rpmhcc RPMH_CXO_CLK>,
-				 <&gcc GCC_PCIE_1_AUX_CLK>,
+			clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
 				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
 				 <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
@@ -1849,11 +1845,7 @@ pcie1: pci@...8000 {
 				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>,
 				 <&gcc GCC_DDRSS_PCIE_SF_CLK>;
 
-			clock-names = "pipe",
-				      "pipe_mux",
-				      "phy_pipe",
-				      "ref",
-				      "aux",
+			clock-names = "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
@@ -1910,8 +1902,10 @@ pcie1_lane: lanes@...e200 {
 				      <0 0x01c0e600 0 0x170>,
 				      <0 0x01c0e800 0 0x200>,
 				      <0 0x01c0ee00 0 0xf4>;
-				clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
-				clock-names = "pipe0";
+				clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
+					 <&gcc GCC_PCIE_1_PIPE_CLK_SRC>,
+					 <&rpmhcc RPMH_CXO_CLK>;
+				clock-names = "pipe0", "mux", "ref";
 
 				#phy-cells = <0>;
 				#clock-cells = <1>;
-- 
2.35.1