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Date: Mon, 21 Nov 2022 16:22:09 +0530
From: Shradha Todi <shradha.t@...sung.com>
To: bhelgaas@...gle.com, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, kishon@...com, vkoul@...nel.org,
lpieralisi@...nel.org, kw@...ux.com, mani@...nel.org,
arnd@...db.de, gregkh@...uxfoundation.org, alim.akhtar@...sung.com,
ajaykumar.rs@...sung.com, rcsekar@...sung.com,
sriranjani.p@...sung.com, bharat.uppal@...sung.com,
s.prashar@...sung.com, aswani.reddy@...sung.com,
pankaj.dubey@...sung.com, p.rajanbabu@...sung.com,
niyas.ahmed@...sung.com, chanho61.park@...sung.com
Cc: linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
Shradha Todi <shradha.t@...sung.com>
Subject: [PATCH 5/6] 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: Niyas Ahmed S T <niyas.ahmed@...sung.com>
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 | 48 ++++++
arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 65 ++++++++
arch/arm64/boot/dts/tesla/fsd.dtsi | 171 +++++++++++++++++++++
3 files changed, 284 insertions(+)
diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 1db6ddf03f01..cda72b0f76f8 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -41,3 +41,51 @@
&ufs {
status = "okay";
};
+
+&pcie_phy0 {
+ status = "disabled";
+};
+
+&pcie_phy1 {
+ status = "disabled";
+};
+
+&pcie4_rc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_clkreq>, <&pcie1_wake>, <&pcie1_preset>,
+ <&pcie0_slot1>;
+ status = "disabled";
+};
+
+&pcie4_ep {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_clkreq>, <&pcie1_wake>, <&pcie1_preset>,
+ <&pcie0_slot1>;
+ status = "disabled";
+};
+
+&pcie0_rc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake0>, <&pcie0_preset0>,
+ <&pcie0_slot0>;
+ status = "disabled";
+};
+
+&pcie0_ep {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake0>, <&pcie0_preset0>,
+ <&pcie0_slot0>;
+ status = "disabled";
+};
+
+&pcie1_rc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake1>, <&pcie0_preset0>;
+ status = "disabled";
+};
+
+&pcie1_ep {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_clkreq>, <&pcie0_wake1>, <&pcie0_preset0>;
+ status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index d0abb9aa0e9e..edae62dfa987 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -64,6 +64,27 @@
samsung,pin-pud = <FSD_PIN_PULL_NONE>;
samsung,pin-drv = <FSD_PIN_DRV_LV2>;
};
+
+ pcie1_clkreq: pcie1-clkreq {
+ 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 {
+ 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 {
+ 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 {
@@ -339,6 +360,50 @@
samsung,pin-pud = <FSD_PIN_PULL_UP>;
samsung,pin-drv = <FSD_PIN_DRV_LV1>;
};
+
+ pcie0_clkreq: pcie0-clkreq {
+ 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_wake1: pcie0-wake1 {
+ 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_wake0: pcie0-wake0 {
+ 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 {
+ 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_slot0: pcie0-gpio22 {
+ 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 {
+ 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 f35bc5a288c2..2177f6964553 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -32,6 +32,14 @@
spi0 = &spi_0;
spi1 = &spi_1;
spi2 = &spi_2;
+ pciephy0 = &pcie_phy0;
+ pciephy1 = &pcie_phy1;
+ pcierc0 = &pcie0_rc;
+ pcieep0 = &pcie0_ep;
+ pcierc1 = &pcie1_rc;
+ pcieep1 = &pcie1_ep;
+ pcierc2 = &pcie4_rc;
+ pcieep2 = &pcie4_ep;
};
cpus {
@@ -860,6 +868,169 @@
clocks = <&clock_fsys0 UFS0_MPHY_REFCLK_IXTAL26>;
clock-names = "ref_clk";
};
+
+ pcie_phy0: pcie-phy@...80000 {
+ compatible = "tesla,fsd-pcie-phy";
+ #phy-cells = <0>;
+ reg = <0x0 0x15080000 0x0 0x2000>,
+ <0x0 0x150A0000 0x0 0x1000>;
+ reg-names = "phy", "pcs";
+ samsung,pmureg-phandle = <&pmu_system_controller>;
+ tesla,pcie-sysreg = <&sysreg_fsys0>;
+ phy-mode = <0>;
+ status = "disabled";
+ };
+
+ pcie_phy1: pcie-phy@...80000 {
+ compatible = "tesla,fsd-pcie-phy";
+ #phy-cells = <0>;
+ reg = <0x0 0x16880000 0x0 0x2000>,
+ <0x0 0x16860000 0x0 0x1000>;
+ reg-names = "phy", "pcs";
+ samsung,pmureg-phandle = <&pmu_system_controller>;
+ tesla,pcie-sysreg = <&sysreg_fsys1>;
+ phy-mode = <0>;
+ status = "disabled";
+ };
+
+ pcie4_rc: pcie@...00000 {
+ compatible = "tesla,fsd-pcie";
+ 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_clk", "dbi_clk", "mstr_clk", "slv_clk";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ interrupts = <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "msi";
+ num-lanes = <4>;
+ reg = <0x0 0x15090000 0x0 0x1000>,
+ <0x0 0x15400000 0x0 0x1000>,
+ <0x0 0x15800000 0x0 0x1000>;
+ reg-names = "appl", "dbi", "config";
+ ranges = <0x82000000 0 0x15801000 0 0x15801000 0 0xffefff>;
+ tesla,pcie-sysreg = <&sysreg_fsys0 0x434>;
+ phys = <&pcie_phy0>;
+ phy-names = "pcie_phy0";
+ iommu-map = <0x0 &smmu_fsys0 0x4 0x10000>;
+ iommu-map-mask = <0x0>;
+ status = "disabled";
+ };
+
+ pcie4_ep: pcie-ep@...00000 {
+ compatible = "tesla,fsd-pcie-ep";
+ 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_clk", "dbi_clk", "mstr_clk", "slv_clk";
+ interrupts = <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "sub_ctrl_intr";
+ reg = <0x0 0x15090000 0x0 0x1000>,
+ <0x0 0x15400000 0x0 0x1000>,
+ <0x0 0x15401000 0x0 0x80>,
+ <0x0 0x15800000 0x0 0xFF0000>;
+ reg-names = "appl", "dbi", "dbi2", "addr_space";
+ num-lanes = <4>;
+ tesla,pcie-sysreg = <&sysreg_fsys0 0x434>;
+ phys = <&pcie_phy0>;
+ phy-names = "pcie_phy0";
+ status = "disabled";
+ };
+
+ pcie0_rc: pcie@...00000 {
+ compatible = "tesla,fsd-pcie";
+ 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_clk", "dbi_clk", "mstr_clk", "slv_clk";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ interrupts = <GIC_SPI 115 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "msi";
+ num-lanes = <4>;
+ reg = <0x0 0x168B0000 0x0 0x1000>,
+ <0x0 0x16A00000 0x0 0x2000>,
+ <0x0 0x17000000 0x0 0x1000>;
+ reg-names = "appl", "dbi", "config";
+ ranges = <0x82000000 0 0x17001000 0 0x17001000 0 0xffefff>;
+ tesla,pcie-sysreg = <&sysreg_fsys1 0x50C>;
+ phys = <&pcie_phy1>;
+ phy-names = "pcie_phy1";
+ iommu-map = <0x0 &smmu_imem 0x0 0x10000>;
+ iommu-map-mask = <0x0>;
+ status = "disabled";
+ };
+
+ pcie0_ep: pcie-ep@...00000 {
+ compatible = "tesla,fsd-pcie-ep";
+ 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_clk", "dbi_clk", "mstr_clk", "slv_clk";
+ interrupts = <GIC_SPI 115 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "sub_ctrl_intr";
+ reg = <0x0 0x168B0000 0x0 0x1000>,
+ <0x0 0x16A00000 0x0 0x1000>,
+ <0x0 0x16A01000 0x0 0x80>,
+ <0x0 0x17000000 0x0 0xFF0000>;
+ reg-names = "appl", "dbi", "dbi2", "addr_space";
+ num-lanes = <4>;
+ tesla,pcie-sysreg = <&sysreg_fsys1 0x50C>;
+ phys = <&pcie_phy1>;
+ phy-names = "pcie_phy1";
+ status = "disabled";
+ };
+
+ pcie1_rc: pcie-rc@...00000 {
+ compatible = "tesla,fsd-pcie";
+ 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_clk", "dbi_clk", "mstr_clk", "slv_clk";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ interrupts = <GIC_SPI 117 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "msi";
+ num-lanes = <4>;
+ reg = <0x0 0x168C0000 0x0 0x1000>,
+ <0x0 0x16B00000 0x0 0x1000>,
+ <0x0 0x18000000 0x0 0x1000>;
+ reg-names = "appl", "dbi", "config";
+ ranges = <0x82000000 0 0x18001000 0 0x18001000 0 0xffefff>;
+ tesla,pcie-sysreg = <&sysreg_fsys1 0x510>;
+ phys = <&pcie_phy1>;
+ phy-names = "pcie_phy1";
+ status = "disabled";
+ };
+
+ pcie1_ep: pcie-ep@...00000 {
+ compatible = "tesla,fsd-pcie";
+ 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_clk", "dbi_clk", "mstr_clk", "slv_clk";
+ interrupts = <GIC_SPI 117 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "intr";
+ reg = <0x0 0x168C0000 0x0 0x1000>,
+ <0x0 0x16B00000 0x0 0x1000>,
+ <0x0 0x16B01000 0x0 0x80>,
+ <0x0 0x18000000 0x0 0xFF0000>;
+ reg-names = "appl", "dbi", "dbi2", "addr_space";
+ num-lanes = <4>;
+ tesla,pcie-sysreg = <&sysreg_fsys1 0x510>;
+ phys = <&pcie_phy1>;
+ phy-names = "pcie_phy1";
+ status = "disabled";
+ };
};
};
--
2.17.1
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