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From:   Nitheesh Sekar <quic_nsekar@quicinc.com>
To:     <agross@kernel.org>, <andersson@kernel.org>,
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        <vkoul@kernel.org>, <kishon@kernel.org>, <mani@kernel.org>,
        <p.zabel@pengutronix.de>, <quic_nsekar@quicinc.com>,
        <quic_srichara@quicinc.com>, <quic_varada@quicinc.com>,
        <quic_ipkumar@quicinc.com>, <linux-arm-msm@vger.kernel.org>,
        <linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-phy@lists.infradead.org>
Subject: [PATCH 5/6] arm64: dts: qcom: ipq5018: Add PCIe related nodes
Date:   Tue, 3 Oct 2023 17:38:45 +0530
Message-ID: <20231003120846.28626-6-quic_nsekar@quicinc.com>
In-Reply-To: <20231003120846.28626-1-quic_nsekar@quicinc.com>
References: <20231003120846.28626-1-quic_nsekar@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Add phy and controller nodes for PCIe_x2 and PCIe_x1.
PCIe_x2 is 2-lane Gen2 and PCIe_x1 is 1-lane Gen2.

Signed-off-by: Nitheesh Sekar <quic_nsekar@quicinc.com>
---
 arch/arm64/boot/dts/qcom/ipq5018.dtsi | 186 +++++++++++++++++++++++++-
 1 file changed, 184 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
index 38ffdc3cbdcd..0818fdd1e693 100644
--- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,gcc-ipq5018.h>
 #include <dt-bindings/reset/qcom,gcc-ipq5018.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	interrupt-parent = <&intc>;
@@ -94,6 +95,38 @@
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
 
+		pcie_x1phy: phy@7e000{
+			compatible = "qcom,ipq5018-uniphy-pcie-gen2x1";
+			reg = <0x0007e000 0x800>;
+			#phy-cells = <0>;
+			#clock-cells = <0>;
+			clocks = <&gcc GCC_PCIE1_PIPE_CLK>;
+			clock-names = "pipe_clk";
+			clock-output-names = "pcie1_pipe_clk";
+			assigned-clocks = <&gcc GCC_PCIE1_PIPE_CLK>;
+			assigned-clock-rates = <125000000>;
+			resets = <&gcc GCC_PCIE1_PHY_BCR>,
+				 <&gcc GCC_PCIE1PHY_PHY_BCR>;
+			reset-names = "phy", "phy_phy";
+			status = "disabled";
+		};
+
+		pcie_x2phy: phy@86000{
+			compatible = "qcom,ipq5018-uniphy-pcie-gen2x2";
+			reg = <0x00086000 0x800>;
+			#phy-cells = <0>;
+			#clock-cells = <0>;
+			clocks = <&gcc GCC_PCIE0_PIPE_CLK>;
+			clock-names = "pipe_clk";
+			clock-output-names = "pcie0_pipe_clk";
+			assigned-clocks = <&gcc GCC_PCIE0_PIPE_CLK>;
+			assigned-clock-rates = <125000000>;
+			resets = <&gcc GCC_PCIE0_PHY_BCR>,
+				 <&gcc GCC_PCIE0PHY_PHY_BCR>;
+			reset-names = "phy", "phy_phy";
+			status = "disabled";
+		};
+
 		tlmm: pinctrl@1000000 {
 			compatible = "qcom,ipq5018-tlmm";
 			reg = <0x01000000 0x300000>;
@@ -117,8 +150,8 @@
 			reg = <0x01800000 0x80000>;
 			clocks = <&xo_board_clk>,
 				 <&sleep_clk>,
-				 <0>,
-				 <0>,
+				 <&pcie_x2phy>,
+				 <&pcie_x1phy>,
 				 <0>,
 				 <0>,
 				 <0>,
@@ -246,6 +279,155 @@
 				status = "disabled";
 			};
 		};
+
+		pcie_x1: pci@80000000 {
+			compatible = "qcom,pcie-ipq5018";
+			reg =  <0x80000000 0xf1d
+				0x80000F20 0xa8
+				0x80001000 0x1000
+				0x78000 0x3000
+				0x80100000 0x1000>;
+			reg-names = "dbi", "elbi", "atu", "parf", "config";
+			device_type = "pci";
+			linux,pci-domain = <0>;
+			bus-range = <0x00 0xff>;
+			num-lanes = <1>;
+			max-link-speed = <2>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			phys = <&pcie_x1phy>;
+			phy-names ="pciephy";
+
+			ranges = <0x81000000 0 0x80200000 0x80200000
+				  0 0x00100000   /* downstream I/O */
+				  0x82000000 0 0x80300000 0x80300000
+				  0 0x10000000>; /* non-prefetchable memory */
+
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 142
+					 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+					<0 0 0 2 &intc 0 143
+					 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+					<0 0 0 3 &intc 0 144
+					 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+					<0 0 0 4 &intc 0 145
+					 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+			interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "global_irq";
+
+			clocks = <&gcc GCC_SYS_NOC_PCIE1_AXI_CLK>,
+				 <&gcc GCC_PCIE1_AXI_M_CLK>,
+				 <&gcc GCC_PCIE1_AXI_S_CLK>,
+				 <&gcc GCC_PCIE1_AHB_CLK>,
+				 <&gcc GCC_PCIE1_AUX_CLK>,
+				 <&gcc GCC_PCIE1_AXI_S_BRIDGE_CLK>;
+
+			clock-names = "iface",
+				      "axi_m",
+				      "axi_s",
+				      "ahb",
+				      "aux",
+				      "axi_bridge";
+
+			resets = <&gcc GCC_PCIE1_PIPE_ARES>,
+				 <&gcc GCC_PCIE1_SLEEP_ARES>,
+				 <&gcc GCC_PCIE1_CORE_STICKY_ARES>,
+				 <&gcc GCC_PCIE1_AXI_MASTER_ARES>,
+				 <&gcc GCC_PCIE1_AXI_SLAVE_ARES>,
+				 <&gcc GCC_PCIE1_AHB_ARES>,
+				 <&gcc GCC_PCIE1_AXI_MASTER_STICKY_ARES>,
+				 <&gcc GCC_PCIE1_AXI_SLAVE_STICKY_ARES>;
+
+			reset-names = "pipe",
+				      "sleep",
+				      "sticky",
+				      "axi_m",
+				      "axi_s",
+				      "ahb",
+				      "axi_m_sticky",
+				      "axi_s_sticky";
+
+			msi-map = <0x0 &v2m0 0x0 0xff8>;
+			status = "disabled";
+		};
+
+		pcie_x2: pci@a0000000 {
+			compatible = "qcom,pcie-ipq5018";
+			reg =  <0xa0000000 0xf1d
+				0xa0000F20 0xa8
+				0xa0001000 0x1000
+				0x80000 0x3000
+				0xa0100000 0x1000>;
+			reg-names = "dbi", "elbi", "atu", "parf", "config";
+			device_type = "pci";
+			linux,pci-domain = <1>;
+			bus-range = <0x00 0xff>;
+			num-lanes = <2>;
+			max-link-speed = <2>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			phys = <&pcie_x2phy>;
+			phy-names ="pciephy";
+
+			ranges = <0x81000000 0 0xa0200000 0xa0200000
+				  0 0x00100000   /* downstream I/O */
+				  0x82000000 0 0xa0300000 0xa0300000
+				  0 0x10000000>; /* non-prefetchable memory */
+
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 75
+					 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+					<0 0 0 2 &intc 0 78
+					 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+					<0 0 0 3 &intc 0 79
+					 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+					<0 0 0 4 &intc 0 83
+					 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+			interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "global_irq";
+
+			clocks = <&gcc GCC_SYS_NOC_PCIE0_AXI_CLK>,
+				 <&gcc GCC_PCIE0_AXI_M_CLK>,
+				 <&gcc GCC_PCIE0_AXI_S_CLK>,
+				 <&gcc GCC_PCIE0_AHB_CLK>,
+				 <&gcc GCC_PCIE0_AUX_CLK>,
+				 <&gcc GCC_PCIE0_AXI_S_BRIDGE_CLK>;
+
+			clock-names = "iface",
+				      "axi_m",
+				      "axi_s",
+				      "ahb",
+				      "aux",
+				      "axi_bridge";
+
+			resets = <&gcc GCC_PCIE0_PIPE_ARES>,
+				 <&gcc GCC_PCIE0_SLEEP_ARES>,
+				 <&gcc GCC_PCIE0_CORE_STICKY_ARES>,
+				 <&gcc GCC_PCIE0_AXI_MASTER_ARES>,
+				 <&gcc GCC_PCIE0_AXI_SLAVE_ARES>,
+				 <&gcc GCC_PCIE0_AHB_ARES>,
+				 <&gcc GCC_PCIE0_AXI_MASTER_STICKY_ARES>,
+				 <&gcc GCC_PCIE0_AXI_SLAVE_STICKY_ARES>;
+
+			reset-names = "pipe",
+				      "sleep",
+				      "sticky",
+				      "axi_m",
+				      "axi_s",
+				      "ahb",
+				      "axi_m_sticky",
+				      "axi_s_sticky";
+
+			msi-map = <0x0 &v2m0 0x0 0xff8>;
+			status = "disabled";
+		};
+
 	};
 
 	timer {
-- 
2.17.1