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Date: Fri, 2 Sep 2022 16:58:01 +0800 From: Richard Zhu <hongxing.zhu@....com> To: p.zabel@...gutronix.de, l.stach@...gutronix.de, bhelgaas@...gle.com, lorenzo.pieralisi@....com, robh@...nel.org, shawnguo@...nel.org, vkoul@...nel.org, alexander.stein@...tq-group.com, marex@...x.de, richard.leitner@...ux.dev Cc: linux-phy@...ts.infradead.org, devicetree@...r.kernel.org, linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, kernel@...gutronix.de, linux-imx@....com, Richard Zhu <hongxing.zhu@....com> Subject: [PATCH v7 2/7] arm64: dts: imx8mp: Add iMX8MP PCIe support Add i.MX8MP PCIe support. Signed-off-by: Richard Zhu <hongxing.zhu@....com> Tested-by: Marek Vasut <marex@...x.de> Tested-by: Richard Leitner <richard.leitner@...data.com> Tested-by: Alexander Stein <alexander.stein@...tq-group.com> Reviewed-by: Lucas Stach <l.stach@...gutronix.de> --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 43 +++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index fe178b7d063c..21a4cc417c81 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -5,6 +5,7 @@ #include <dt-bindings/clock/imx8mp-clock.h> #include <dt-bindings/power/imx8mp-power.h> +#include <dt-bindings/reset/imx8mp-reset.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/arm-gic.h> @@ -1084,6 +1085,17 @@ media_blk_ctrl: blk-ctrl@...c0000 { #power-domain-cells = <1>; }; + pcie_phy: pcie-phy@...00000 { + compatible = "fsl,imx8mp-pcie-phy"; + reg = <0x32f00000 0x10000>; + resets = <&src IMX8MP_RESET_PCIEPHY>, + <&src IMX8MP_RESET_PCIEPHY_PERST>; + reset-names = "pciephy", "perst"; + power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_PCIE_PHY>; + #phy-cells = <0>; + status = "disabled"; + }; + hsio_blk_ctrl: blk-ctrl@...10000 { compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon"; reg = <0x32f10000 0x24>; @@ -1099,6 +1111,37 @@ hsio_blk_ctrl: blk-ctrl@...10000 { }; }; + pcie: pcie@...00000 { + compatible = "fsl,imx8mp-pcie"; + reg = <0x33800000 0x400000>, <0x1ff00000 0x80000>; + reg-names = "dbi", "config"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + bus-range = <0x00 0xff>; + ranges = <0x81000000 0 0x00000000 0x1ff80000 0 0x00010000>, /* downstream I/O 64KB */ + <0x82000000 0 0x18000000 0x18000000 0 0x07f00000>; /* non-prefetchable memory */ + num-lanes = <1>; + num-viewport = <4>; + interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "msi"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <0 0 0 1 &gic GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &gic GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &gic GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &gic GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>; + fsl,max-link-speed = <3>; + linux,pci-domain = <0>; + power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_PCIE>; + resets = <&src IMX8MP_RESET_PCIE_CTRL_APPS_EN>, + <&src IMX8MP_RESET_PCIE_CTRL_APPS_TURNOFF>; + reset-names = "apps", "turnoff"; + phys = <&pcie_phy>; + phy-names = "pcie-phy"; + status = "disabled"; + }; + gpu3d: gpu@...00000 { compatible = "vivante,gc"; reg = <0x38000000 0x8000>; -- 2.25.1
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