TI's J784S4 has two instances of Gen3 x4 Lane PCIe Controllers namely PCIE0 and PCIE1. Add support for the Root Complex Mode of operation of these PCIe instances. Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx> --- v1: https://lore.kernel.org/r/20240129114749.1197579-2-s-vadapalli@xxxxxx/ Changes since v1: - Added "pcie0_ctrl" and "pcie1_ctrl" nodes within the "scm_conf" node in order to reuse the existing "ti,syscon-pcie-ctrl" property without having to map the entire "scm_conf" region for configuring the PCIe Control registers pointed to by the "pcie0_ctrl" and "pcie1_ctrl" nodes. arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 94 ++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi index 6a4554c6c9c1..c99bd1284c28 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi @@ -48,6 +48,16 @@ scm_conf: bus@100000 { #size-cells = <1>; ranges = <0x00 0x00 0x00100000 0x1c000>; + pcie0_ctrl: pcie0-ctrl@4070 { + compatible = "ti,j784s4-pcie-ctrl", "syscon"; + reg = <0x4070 0x4>; + }; + + pcie1_ctrl: pcie1-ctrl@4074 { + compatible = "ti,j784s4-pcie-ctrl", "syscon"; + reg = <0x4074 0x4>; + }; + serdes_ln_ctrl: mux-controller@4080 { compatible = "reg-mux"; reg = <0x00004080 0x30>; @@ -907,6 +917,90 @@ main_sdhci1: mmc@4fb0000 { status = "disabled"; }; + pcie0_rc: pcie@2900000 { + compatible = "ti,j784s4-pcie-host"; + reg = <0x00 0x02900000 0x00 0x1000>, + <0x00 0x02907000 0x00 0x400>, + <0x00 0x0d000000 0x00 0x00800000>, + <0x00 0x10000000 0x00 0x00001000>; + reg-names = "intd_cfg", "user_cfg", "reg", "cfg"; + interrupt-names = "link_state"; + interrupts = <GIC_SPI 318 IRQ_TYPE_EDGE_RISING>; + device_type = "pci"; + ti,syscon-pcie-ctrl = <&pcie0_ctrl 0x0>; + max-link-speed = <3>; + num-lanes = <4>; + power-domains = <&k3_pds 332 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 332 0>; + clock-names = "fck"; + #address-cells = <3>; + #size-cells = <2>; + bus-range = <0x0 0xff>; + vendor-id = <0x104c>; + device-id = <0xb012>; + msi-map = <0x0 &gic_its 0x0 0x10000>; + dma-coherent; + ranges = <0x01000000 0x0 0x10001000 0x0 0x10001000 0x0 0x0010000>, + <0x02000000 0x0 0x10011000 0x0 0x10011000 0x0 0x7fef000>; + dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x10000 0x0>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie0_intc 0>, + <0 0 0 2 &pcie0_intc 0>, + <0 0 0 3 &pcie0_intc 0>, + <0 0 0 4 &pcie0_intc 0>; + status = "disabled"; + + pcie0_intc: interrupt-controller { + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 312 IRQ_TYPE_EDGE_RISING>; + }; + }; + + pcie1_rc: pcie@2910000 { + compatible = "ti,j784s4-pcie-host"; + reg = <0x00 0x02910000 0x00 0x1000>, + <0x00 0x02917000 0x00 0x400>, + <0x00 0x0d800000 0x00 0x00800000>, + <0x00 0x18000000 0x00 0x00001000>; + reg-names = "intd_cfg", "user_cfg", "reg", "cfg"; + interrupt-names = "link_state"; + interrupts = <GIC_SPI 330 IRQ_TYPE_EDGE_RISING>; + device_type = "pci"; + ti,syscon-pcie-ctrl = <&pcie1_ctrl 0x0>; + max-link-speed = <3>; + num-lanes = <4>; + power-domains = <&k3_pds 333 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 333 0>; + clock-names = "fck"; + #address-cells = <3>; + #size-cells = <2>; + bus-range = <0x0 0xff>; + vendor-id = <0x104c>; + device-id = <0xb012>; + msi-map = <0x0 &gic_its 0x10000 0x10000>; + dma-coherent; + ranges = <0x01000000 0x0 0x18001000 0x00 0x18001000 0x0 0x0010000>, + <0x02000000 0x0 0x18011000 0x00 0x18011000 0x0 0x7fef000>; + dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x10000 0x0>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie1_intc 0>, + <0 0 0 2 &pcie1_intc 0>, + <0 0 0 3 &pcie1_intc 0>, + <0 0 0 4 &pcie1_intc 0>; + status = "disabled"; + + pcie1_intc: interrupt-controller { + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 324 IRQ_TYPE_EDGE_RISING>; + }; + }; + serdes_wiz0: wiz@5060000 { compatible = "ti,j784s4-wiz-10g"; #address-cells = <1>; -- 2.40.1
