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Message-ID: <20250625165229.3458-11-shradha.t@samsung.com>
Date: Wed, 25 Jun 2025 22:22:29 +0530
From: Shradha Todi <shradha.t@...sung.com>
To: linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
linux-fsd@...la.com
Cc: manivannan.sadhasivam@...aro.org, lpieralisi@...nel.org, kw@...ux.com,
robh@...nel.org, bhelgaas@...gle.com, jingoohan1@...il.com,
krzk+dt@...nel.org, conor+dt@...nel.org, alim.akhtar@...sung.com,
vkoul@...nel.org, kishon@...nel.org, arnd@...db.de,
m.szyprowski@...sung.com, jh80.chung@...sung.com, pankaj.dubey@...sung.com,
Shradha Todi <shradha.t@...sung.com>
Subject: [PATCH v2 10/10] arm64: dts: fsd: Add PCIe support for Tesla FSD
SoC
Add the support for PCIe controller driver and phy driver for Tesla FSD.
It includes support for both RC and EP.
Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
Signed-off-by: Shradha Todi <shradha.t@...sung.com>
---
arch/arm64/boot/dts/tesla/fsd-evb.dts | 36 +++++
arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 65 +++++++++
arch/arm64/boot/dts/tesla/fsd.dtsi | 147 +++++++++++++++++++++
3 files changed, 248 insertions(+)
diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 9ff22e1c8723..c8f2019e6abf 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -19,6 +19,8 @@ / {
aliases {
serial0 = &serial_0;
serial1 = &serial_1;
+ pciephy0 = &pciephy0;
+ pciephy1 = &pciephy1;
};
chosen {
@@ -130,3 +132,37 @@ &serial_0 {
&ufs {
status = "okay";
};
+
+&pcierc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_clkreq>, <&pcie1_wake>, <&pcie1_preset>,
+ <&pcie0_slot1>;
+};
+
+&pcieep2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_clkreq>, <&pcie1_wake>, <&pcie1_preset>,
+ <&pcie0_slot1>;
+};
+
+&pcierc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake0>, <&pcie0_preset0>,
+ <&pcie0_slot0>;
+};
+
+&pcieep0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake0>, <&pcie0_preset0>,
+ <&pcie0_slot0>;
+};
+
+&pcierc1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake1>, <&pcie0_preset0>;
+};
+
+&pcieep1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake1>, <&pcie0_preset0>;
+};
diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index 6f4658f57453..fa99aa4b9906 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -120,6 +120,27 @@ eth0_mdio: eth0-mdio-pins {
samsung,pin-pud = <FSD_PIN_PULL_NONE>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};
+
+ pcie1_clkreq: pcie1-clkreq-pins {
+ samsung,pins = "gpf6-0";
+ samsung,pin-function = <FSD_PIN_FUNC_2>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ };
+
+ pcie1_wake: pcie1-wake-pins {
+ samsung,pins = "gpf6-1";
+ samsung,pin-function = <FSD_PIN_FUNC_2>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ };
+
+ pcie1_preset: pcie1-preset-pins {
+ samsung,pins = "gpf6-2";
+ samsung,pin-function = <FSD_PIN_FUNC_2>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ };
};
&pinctrl_peric {
@@ -493,6 +514,50 @@ eth1_mdio: eth1-mdio-pins {
samsung,pin-pud = <FSD_PIN_PULL_UP>;
samsung,pin-drv = <FSD_PIN_DRV_LV4>;
};
+
+ pcie0_clkreq: pcie0-clkreq-pins {
+ samsung,pins = "gpc8-0";
+ samsung,pin-function = <FSD_PIN_FUNC_2>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ };
+
+ pcie0_wake0: pcie0-wake0-pins {
+ samsung,pins = "gpc8-1";
+ samsung,pin-function = <FSD_PIN_FUNC_2>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ };
+
+ pcie0_preset0: pcie0-preset0-pins {
+ samsung,pins = "gpc8-2";
+ samsung,pin-function = <FSD_PIN_FUNC_2>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ };
+
+ pcie0_wake1: pcie0-wake1-pins {
+ samsung,pins = "gpc8-3";
+ samsung,pin-function = <FSD_PIN_FUNC_2>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ };
+
+ pcie0_slot0: pcie0-gpio22-pins {
+ samsung,pins = "gpg2-6";
+ samsung,pin-function = <FSD_PIN_FUNC_OUTPUT>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ samsung,pin-val = <1>;
+ };
+
+ pcie0_slot1: pcie0-gpio23-pins {
+ samsung,pins = "gpg2-7";
+ samsung,pin-function = <FSD_PIN_FUNC_OUTPUT>;
+ samsung,pin-pud = <FSD_PIN_PULL_UP>;
+ samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+ samsung,pin-val = <1>;
+ };
};
&pinctrl_pmu {
diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index a5ebb3f9b18f..9e2d095546fa 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -1009,6 +1009,16 @@ ethernet1: ethernet@...00000 {
status = "disabled";
};
+ pciephy0: pcie-phy@...80000 {
+ compatible = "tesla,fsd-pcie-phy";
+ #phy-cells = <0>;
+ reg = <0x0 0x15080000 0x0 0x2000>,
+ <0x0 0x150a0000 0x0 0x1000>;
+ samsung,pmu-syscon = <&pmu_system_controller>;
+ samsung,fsys-sysreg = <&sysreg_fsys0>;
+ status = "disabled";
+ };
+
ufs: ufs@...20000 {
compatible = "tesla,fsd-ufs";
reg = <0x0 0x15120000 0x0 0x200>, /* 0: HCI standard */
@@ -1057,6 +1067,143 @@ ethernet0: ethernet@...00000 {
iommus = <&smmu_fsys0 0x0 0x1>;
status = "disabled";
};
+
+ pcierc2: pcie@...00000 {
+ compatible = "tesla,fsd-pcie";
+ reg = <0x0 0x15400000 0x0 0x2000>,
+ <0x0 0x15090000 0x0 0x1000>,
+ <0x0 0x15800000 0x0 0x1000>;
+ reg-names = "dbi", "elbi", "config";
+ ranges = <0x82000000 0 0x15801000 0 0x15801000 0 0xffefff>;
+ clocks = <&clock_fsys0 PCIE_SUBCTRL_INST0_AUX_CLK_SOC>,
+ <&clock_fsys0 PCIE_SUBCTRL_INST0_DBI_ACLK_SOC>,
+ <&clock_fsys0 PCIE_SUBCTRL_INST0_MSTR_ACLK_SOC>,
+ <&clock_fsys0 PCIE_SUBCTRL_INST0_SLV_ACLK_SOC>;
+ clock-names = "aux", "dbi", "mstr", "slv";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ device_type = "pci";
+ interrupts = <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
+ num-lanes = <4>;
+ samsung,syscon-pcie = <&sysreg_fsys0 0x434>;
+ phys = <&pciephy0>;
+ iommu-map = <0x0 &smmu_fsys0 0x4 0x10000>;
+ iommu-map-mask = <0x0>;
+ status = "disabled";
+ };
+
+ pcieep2: pcie-ep@...00000 {
+ compatible = "tesla,fsd-pcie-ep";
+ reg = <0x0 0x15090000 0x0 0x1000>,
+ <0x0 0x15400000 0x0 0x2000>,
+ <0x0 0x15402000 0x0 0x80>,
+ <0x0 0x15800000 0x0 0xff0000>;
+ reg-names = "elbi", "dbi", "dbi2", "addr_space";
+ clocks = <&clock_fsys0 PCIE_SUBCTRL_INST0_AUX_CLK_SOC>,
+ <&clock_fsys0 PCIE_SUBCTRL_INST0_DBI_ACLK_SOC>,
+ <&clock_fsys0 PCIE_SUBCTRL_INST0_MSTR_ACLK_SOC>,
+ <&clock_fsys0 PCIE_SUBCTRL_INST0_SLV_ACLK_SOC>;
+ clock-names = "aux", "dbi", "mstr", "slv";
+ num-lanes = <4>;
+ samsung,syscon-pcie = <&sysreg_fsys0 0x434>;
+ phys = <&pciephy0>;
+ status = "disabled";
+ };
+
+ pciephy1: pcie-phy@...80000 {
+ compatible = "tesla,fsd-pcie-phy";
+ #phy-cells = <0>;
+ reg = <0x0 0x16880000 0x0 0x2000>,
+ <0x0 0x16860000 0x0 0x1000>;
+ samsung,pmu-syscon = <&pmu_system_controller>;
+ samsung,fsys-sysreg = <&sysreg_fsys1>;
+ status = "disabled";
+ };
+
+ pcierc0: pcie@...00000 {
+ compatible = "tesla,fsd-pcie";
+ reg = <0x0 0x16a00000 0x0 0x2000>,
+ <0x0 0x168b0000 0x0 0x1000>,
+ <0x0 0x17000000 0x0 0x1000>;
+ reg-names = "dbi", "elbi", "config";
+ ranges = <0x82000000 0 0x17001000 0 0x17001000 0 0xffefff>;
+ clocks = <&clock_fsys1 PCIE_LINK0_IPCLKPORT_AUX_ACLK>,
+ <&clock_fsys1 PCIE_LINK0_IPCLKPORT_DBI_ACLK>,
+ <&clock_fsys1 PCIE_LINK0_IPCLKPORT_MSTR_ACLK>,
+ <&clock_fsys1 PCIE_LINK0_IPCLKPORT_SLV_ACLK>;
+ clock-names = "aux", "dbi", "mstr", "slv";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ device_type = "pci";
+ interrupts = <GIC_SPI 115 IRQ_TYPE_EDGE_RISING>;
+ num-lanes = <4>;
+ samsung,syscon-pcie = <&sysreg_fsys1 0x50c>;
+ phys = <&pciephy1>;
+ iommu-map = <0x0 &smmu_imem 0x0 0x10000>;
+ iommu-map-mask = <0x0>;
+ status = "disabled";
+ };
+
+ pcieep0: pcie-ep@...00000 {
+ compatible = "tesla,fsd-pcie-ep";
+ reg = <0x0 0x168b0000 0x0 0x1000>,
+ <0x0 0x16a00000 0x0 0x2000>,
+ <0x0 0x16a02000 0x0 0x80>,
+ <0x0 0x17000000 0x0 0xff0000>;
+ reg-names = "elbi", "dbi", "dbi2", "addr_space";
+ clocks = <&clock_fsys1 PCIE_LINK0_IPCLKPORT_AUX_ACLK>,
+ <&clock_fsys1 PCIE_LINK0_IPCLKPORT_DBI_ACLK>,
+ <&clock_fsys1 PCIE_LINK0_IPCLKPORT_MSTR_ACLK>,
+ <&clock_fsys1 PCIE_LINK0_IPCLKPORT_SLV_ACLK>;
+ clock-names = "aux", "dbi", "mstr", "slv";
+ num-lanes = <4>;
+ samsung,syscon-pcie = <&sysreg_fsys1 0x50c>;
+ phys = <&pciephy1>;
+ status = "disabled";
+ };
+
+ pcierc1: pcie@...00000 {
+ compatible = "tesla,fsd-pcie";
+ reg = <0x0 0x16b00000 0x0 0x2000>,
+ <0x0 0x168c0000 0x0 0x1000>,
+ <0x0 0x18000000 0x0 0x1000>;
+ reg-names = "dbi", "elbi", "config";
+ ranges = <0x82000000 0 0x18001000 0 0x18001000 0 0xffefff>;
+ clocks = <&clock_fsys1 PCIE_LINK1_IPCLKPORT_AUX_ACLK>,
+ <&clock_fsys1 PCIE_LINK1_IPCLKPORT_DBI_ACLK>,
+ <&clock_fsys1 PCIE_LINK1_IPCLKPORT_MSTR_ACLK>,
+ <&clock_fsys1 PCIE_LINK1_IPCLKPORT_SLV_ACLK>;
+ clock-names = "aux", "dbi", "mstr", "slv";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ device_type = "pci";
+ interrupts = <GIC_SPI 117 IRQ_TYPE_EDGE_RISING>;
+ num-lanes = <4>;
+ samsung,syscon-pcie = <&sysreg_fsys1 0x510>;
+ phys = <&pciephy1>;
+ status = "disabled";
+ };
+
+ pcieep1: pcie-ep@...00000 {
+ compatible = "tesla,fsd-pcie-ep";
+ reg = <0x0 0x168c0000 0x0 0x1000>,
+ <0x0 0x16b00000 0x0 0x2000>,
+ <0x0 0x16b02000 0x0 0x80>,
+ <0x0 0x18000000 0x0 0xff0000>;
+ reg-names = "elbi", "dbi", "dbi2", "addr_space";
+ clocks = <&clock_fsys1 PCIE_LINK1_IPCLKPORT_AUX_ACLK>,
+ <&clock_fsys1 PCIE_LINK1_IPCLKPORT_DBI_ACLK>,
+ <&clock_fsys1 PCIE_LINK1_IPCLKPORT_MSTR_ACLK>,
+ <&clock_fsys1 PCIE_LINK1_IPCLKPORT_SLV_ACLK>;
+ clock-names = "aux", "dbi", "mstr", "slv";
+ num-lanes = <4>;
+ samsung,syscon-pcie = <&sysreg_fsys1 0x510>;
+ phys = <&pciephy1>;
+ status = "disabled";
+ };
};
};
--
2.49.0
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