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charset="utf-8" Previous commit 1352f58d7c8d ("dt-bindings: PCI: pci-imx6: Add external reference clock input") was incomplete. The constraints for "clocks" and "clock-names" still enforce an incorrect number of items. Update maxItems for both properties to 6 to match the actual hardware configuration. Fixes: 1352f58d7c8d ("dt-bindings: PCI: pci-imx6: Add external reference cl= ock input") Signed-off-by: Richard Zhu Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml | 4 ++-- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.ya= ml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml index cddbe21f99f2..0488c942092d 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml @@ -17,11 +17,11 @@ description: properties: clocks: minItems: 3 - maxItems: 5 + maxItems: 6 =20 clock-names: minItems: 3 - maxItems: 5 + maxItems: 6 =20 num-lanes: const: 1 diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Do= cumentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index 12a01f7a5744..21dda8066014 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -40,7 +40,8 @@ properties: - description: PCIe PHY clock. - description: Additional required clock entry for imx6sx-pcie, imx6sx-pcie-ep, imx8mq-pcie, imx8mq-pcie-ep. - - description: PCIe reference clock. + - description: PCIe internal reference clock. + - description: PCIe additional external reference clock. =20 clock-names: minItems: 3 --=20 2.37.1 From nobody Thu Apr 2 01:47:56 2026 Received: from GVXPR05CU001.outbound.protection.outlook.com (mail-swedencentralazon11013027.outbound.protection.outlook.com [52.101.83.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC6DB387347; 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charset="utf-8" Add i.MX94 and i.MX943 PCIe compatible strings and fallback to i.MX95 PCIe compatible string. Signed-off-by: Richard Zhu Reviewed-by: Rob Herring (Arm) --- .../bindings/pci/fsl,imx6q-pcie-ep.yaml | 18 ++++++++----- .../bindings/pci/fsl,imx6q-pcie.yaml | 26 ++++++++++++------- 2 files changed, 28 insertions(+), 16 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml b= /Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml index 0b3526de1d62..e4e30da0acb0 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml @@ -18,12 +18,18 @@ description: |+ =20 properties: compatible: - enum: - - fsl,imx8mm-pcie-ep - - fsl,imx8mq-pcie-ep - - fsl,imx8mp-pcie-ep - - fsl,imx8q-pcie-ep - - fsl,imx95-pcie-ep + oneOf: + - enum: + - fsl,imx8mm-pcie-ep + - fsl,imx8mp-pcie-ep + - fsl,imx8mq-pcie-ep + - fsl,imx8q-pcie-ep + - fsl,imx95-pcie-ep + - items: + - enum: + - fsl,imx94-pcie-ep + - fsl,imx943-pcie-ep + - const: fsl,imx95-pcie-ep =20 clocks: minItems: 3 diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Do= cumentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index 21dda8066014..9d1349855b42 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -21,16 +21,22 @@ description: |+ =20 properties: compatible: - enum: - - fsl,imx6q-pcie - - fsl,imx6sx-pcie - - fsl,imx6qp-pcie - - fsl,imx7d-pcie - - fsl,imx8mq-pcie - - fsl,imx8mm-pcie - - fsl,imx8mp-pcie - - fsl,imx95-pcie - - fsl,imx8q-pcie + oneOf: + - enum: + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + - fsl,imx6sx-pcie + - fsl,imx7d-pcie + - fsl,imx8mm-pcie + - fsl,imx8mp-pcie + - fsl,imx8mq-pcie + - fsl,imx8q-pcie + - fsl,imx95-pcie + - items: + - enum: + - fsl,imx94-pcie + - fsl,imx943-pcie + - const: fsl,imx95-pcie =20 clocks: minItems: 3 --=20 2.37.1 From nobody Thu Apr 2 01:47:56 2026 Received: from GVXPR05CU001.outbound.protection.outlook.com (mail-swedencentralazon11013021.outbound.protection.outlook.com [52.101.83.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 27B3038552C; 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charset="utf-8" Add pcie0 and pcie0-ep supports. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx94.dtsi | 88 ++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx94.dtsi b/arch/arm64/boot/dts= /freescale/imx94.dtsi index 38488147a3ef..5d19c34cbc2b 100644 --- a/arch/arm64/boot/dts/freescale/imx94.dtsi +++ b/arch/arm64/boot/dts/freescale/imx94.dtsi @@ -66,6 +66,13 @@ sai4_mclk: clock-sai4-mclk1 { clock-output-names =3D "sai4_mclk"; }; =20 + clk_sys100m: clock-sys100m { + compatible =3D "fixed-clock"; + #clock-cells =3D <0>; + clock-frequency =3D <100000000>; + clock-output-names =3D "clk_sys100m"; + }; + firmware { scmi { compatible =3D "arm,scmi"; @@ -1230,6 +1237,14 @@ wdog3: watchdog@49220000 { }; }; =20 + hsio_blk_ctl: syscon@4c0100c0 { + compatible =3D "nxp,imx95-hsio-blk-ctl", "syscon"; + reg =3D <0x0 0x4c0100c0 0x0 0x1>; + #clock-cells =3D <1>; + clocks =3D <&clk_sys100m>; + power-domains =3D <&scmi_devpd IMX94_PD_HSIO_TOP>; + }; + usb3: usb@4c100000 { compatible =3D "nxp,imx94-dwc3", "nxp,imx8mp-dwc3"; reg =3D <0x0 0x4c100000 0x0 0x10000>, @@ -1284,6 +1299,79 @@ usbmisc: usbmisc@4c200200 { #index-cells =3D <1>; }; =20 + pcie0: pcie@4c300000 { + compatible =3D "fsl,imx94-pcie", "fsl,imx95-pcie"; + reg =3D <0 0x4c300000 0 0x10000>, + <0 0x60100000 0 0xfe00000>, + <0 0x4c360000 0 0x10000>, + <0 0x4c340000 0 0x4000>; + reg-names =3D "dbi", "config", "atu", "app"; + ranges =3D <0x81000000 0x0 0x00000000 0x0 0x6ff00000 0 0x00100000>, + <0x82000000 0x0 0x10000000 0x9 0x10000000 0 0x80000000>; + #address-cells =3D <3>; + #size-cells =3D <2>; + device_type =3D "pci"; + linux,pci-domain =3D <2>; + msi-map =3D <0x0 &its 0x10 0x1>, + <0x100 &its 0x11 0x7>; + msi-map-mask =3D <0x1ff>; + bus-range =3D <0x00 0xff>; + num-lanes =3D <1>; + num-viewport =3D <8>; + interrupts =3D , + ; + interrupt-names =3D "msi", "dma"; + #interrupt-cells =3D <1>; + interrupt-map-mask =3D <0 0 0 0x7>; + interrupt-map =3D <0 0 0 1 &gic 0 0 GIC_SPI 360 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &gic 0 0 GIC_SPI 361 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &gic 0 0 GIC_SPI 362 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &gic 0 0 GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&scmi_clk IMX94_CLK_HSIO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>, + <&hsio_blk_ctl 0>; + clock-names =3D "pcie", "pcie_bus", "pcie_phy", "pcie_aux", "ref"; + assigned-clocks =3D <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>; + assigned-clock-rates =3D <3600000000>, <100000000>, <10000000>; + assigned-clock-parents =3D <0>, <0>, + <&scmi_clk IMX94_CLK_SYSPLL1_PFD1_DIV2>; + power-domains =3D <&scmi_devpd IMX94_PD_HSIO_TOP>; + fsl,max-link-speed =3D <3>; + status =3D "disabled"; + }; + + pcie0_ep: pcie-ep@4c300000 { + compatible =3D "fsl,imx94-pcie-ep", "fsl,imx95-pcie-ep"; + reg =3D <0 0x4c300000 0 0x10000>, + <0 0x4c360000 0 0x1000>, + <0 0x4c320000 0 0x1000>, + <0 0x4c340000 0 0x4000>, + <0 0x4c370000 0 0x10000>, + <0x9 0 1 0>; + reg-names =3D "dbi", "atu", "dbi2", "app", "dma", "addr_space"; + num-lanes =3D <1>; + interrupts =3D ; + interrupt-names =3D "dma"; 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charset="utf-8" Add pcie1 and pcie1-ep supports. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx943.dtsi | 75 +++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx943.dtsi b/arch/arm64/boot/dt= s/freescale/imx943.dtsi index 45b8da758e87..8575134176f5 100644 --- a/arch/arm64/boot/dts/freescale/imx943.dtsi +++ b/arch/arm64/boot/dts/freescale/imx943.dtsi @@ -145,4 +145,79 @@ l3_cache: l3-cache { cache-unified; }; }; + + soc { + pcie1: pcie@4c380000 { + compatible =3D "fsl,imx943-pcie", "fsl,imx95-pcie"; + reg =3D <0 0x4c380000 0 0x10000>, + <8 0x80100000 0 0xfe00000>, + <0 0x4c3e0000 0 0x10000>, + <0 0x4c3c0000 0 0x4000>; + reg-names =3D "dbi", "config", "atu", "app"; + ranges =3D <0x81000000 0 0x00000000 0x8 0x8ff00000 0 0x00100000>, + <0x82000000 0 0x10000000 0xa 0x10000000 0 0x80000000>; + #address-cells =3D <3>; + #size-cells =3D <2>; + device_type =3D "pci"; + linux,pci-domain =3D <3>; + msi-map =3D <0x0 &its 0x98 0x1>, + <0x100 &its 0x99 0x7>; + msi-map-mask =3D <0x1ff>; + bus-range =3D <0x00 0xff>; + num-lanes =3D <1>; + num-viewport =3D <8>; + interrupts =3D , + ; + interrupt-names =3D "msi", "dma"; + #interrupt-cells =3D <1>; + interrupt-map-mask =3D <0 0 0 0x7>; + interrupt-map =3D <0 0 0 1 &gic 0 0 GIC_SPI 366 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &gic 0 0 GIC_SPI 367 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &gic 0 0 GIC_SPI 368 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &gic 0 0 GIC_SPI 369 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&scmi_clk IMX94_CLK_HSIO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>, + <&hsio_blk_ctl 0>; + clock-names =3D "pcie", "pcie_bus", "pcie_phy", "pcie_aux", "ref"; + assigned-clocks =3D <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>; + assigned-clock-rates =3D <3600000000>, <100000000>, <10000000>; + assigned-clock-parents =3D <0>, <0>, + <&scmi_clk IMX94_CLK_SYSPLL1_PFD1_DIV2>; + power-domains =3D <&scmi_devpd IMX94_PD_HSIO_TOP>; + fsl,max-link-speed =3D <3>; + status =3D "disabled"; + }; + + pcie1_ep: pcie-ep@4c380000 { + compatible =3D "fsl,imx943-pcie-ep", "fsl,imx95-pcie-ep"; + reg =3D <0 0x4c380000 0 0x10000>, + <0 0x4c3e0000 0 0x1000>, + <0 0x4c3a0000 0 0x1000>, + <0 0x4c3c0000 0 0x4000>, + <0 0x4c3f0000 0 0x10000>, + <0xa 0 1 0>; + reg-names =3D "dbi", "atu", "dbi2", "app", "dma", "addr_space"; + num-lanes =3D <1>; + interrupts =3D ; + interrupt-names =3D "dma"; + clocks =3D <&scmi_clk IMX94_CLK_HSIO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>; + clock-names =3D "pcie", "pcie_bus", "pcie_phy", "pcie_aux"; + assigned-clocks =3D <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>; + assigned-clock-rates =3D <3600000000>, <100000000>, <10000000>; + assigned-clock-parents =3D <0>, <0>, + <&scmi_clk IMX94_CLK_SYSPLL1_PFD1_DIV2>; + msi-map =3D <0x0 &its 0x98 0x1>; + power-domains =3D <&scmi_devpd IMX94_PD_HSIO_TOP>; + status =3D "disabled"; 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charset="utf-8" Add pcie[0,1] and pcie-ep[0,1] support. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/Makefile | 4 + arch/arm64/boot/dts/freescale/imx943-evk.dts | 83 ++++++++++++++++++++ 2 files changed, 87 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index bae24b53bce6..1366e25a9efd 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -465,6 +465,10 @@ dtb-$(CONFIG_ARCH_MXC) +=3D imx95-19x19-evk-sof.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx95-toradex-smarc-dev.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx95-tqma9596sa-mb-smarc-2.dtb =20 +imx943-evk-pcie0-ep-dtbs +=3D imx943-evk.dtb imx-pcie0-ep.dtbo +imx943-evk-pcie1-ep-dtbs +=3D imx943-evk.dtb imx-pcie1-ep.dtbo +dtb-$(CONFIG_ARCH_MXC) +=3D imx943-evk-pcie0-ep.dtb imx943-evk-pcie1-ep.dtb + imx95-15x15-evk-pcie0-ep-dtbs =3D imx95-15x15-evk.dtb imx-pcie0-ep.dtbo dtb-$(CONFIG_ARCH_MXC) +=3D imx95-15x15-evk-pcie0-ep.dtb imx95-19x19-evk-pcie0-ep-dtbs +=3D imx95-19x19-evk.dtb imx-pcie0-ep.dtbo diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot= /dts/freescale/imx943-evk.dts index 1d834379f602..ea0100b37d5c 100644 --- a/arch/arm64/boot/dts/freescale/imx943-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts @@ -51,6 +51,20 @@ chosen { stdout-path =3D &lpuart1; }; =20 + pcie_ref_clk: clock-pcie-ref { + compatible =3D "gpio-gate-clock"; + clocks =3D <&xtal25m>; + #clock-cells =3D <0>; + enable-gpios =3D <&pca9670_i2c3 7 GPIO_ACTIVE_LOW>; + }; + + xtal25m: clock-xtal25m { + compatible =3D "fixed-clock"; + #clock-cells =3D <0>; + clock-frequency =3D <25000000>; + clock-output-names =3D "xtal_25MHz"; + }; + dmic: dmic { compatible =3D "dmic-codec"; #sound-dai-cells =3D <0>; @@ -72,6 +86,15 @@ reg_m2_pwr: regulator-m2-pwr { startup-delay-us =3D <5000>; }; =20 + reg_slot_pwr: regulator-slot-pwr { + compatible =3D "regulator-fixed"; + regulator-name =3D "PCIe slot-power"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&pcal6416_i2c3_u46 0 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_m2_wlan: regulator-wlan { compatible =3D "regulator-fixed"; regulator-name =3D "WLAN_EN"; @@ -704,6 +727,18 @@ IMX94_PAD_GPIO_IO28__LPI2C6_SCL 0x40000b9e >; }; =20 + pinctrl_pcie0: pcie0grp { + fsl,pins =3D < + IMX94_PAD_GPIO_IO20__PCIE1_CLKREQ_B 0x4000031e + >; + }; + + pinctrl_pcie1: pcie1grp { + fsl,pins =3D < + IMX94_PAD_GPIO_IO23__PCIE2_CLKREQ_B 0x4000031e + >; + }; + pinctrl_pdm: pdmgrp { fsl,pins =3D < IMX94_PAD_PDM_CLK__PDM_CLK 0x31e @@ -878,6 +913,54 @@ IMX94_PAD_XSPI1_DQS__XSPI1_A_DQS 0x3fe }; }; =20 +&pcie0 { + pinctrl-0 =3D <&pinctrl_pcie0>; + pinctrl-names =3D "default"; + clocks =3D <&scmi_clk IMX94_CLK_HSIO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>, + <&hsio_blk_ctl 0>, + <&pcie_ref_clk>; + clock-names =3D "pcie", "pcie_bus", "pcie_phy", "pcie_aux", + "ref", "extref"; + reset-gpio =3D <&pcal6416_i2c3_u46 3 GPIO_ACTIVE_LOW>; + vpcie3v3aux-supply =3D <®_m2_wlan>; + supports-clkreq; + status =3D "okay"; +}; + +&pcie0_ep { + pinctrl-0 =3D <&pinctrl_pcie0>; + pinctrl-names =3D "default"; + vpcie-supply =3D <®_m2_wlan>; + status =3D "disabled"; +}; + +&pcie1 { + pinctrl-0 =3D <&pinctrl_pcie1>; + pinctrl-names =3D "default"; + clocks =3D <&scmi_clk IMX94_CLK_HSIO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>, + <&hsio_blk_ctl 0>, + <&pcie_ref_clk>; + clock-names =3D "pcie", "pcie_bus", "pcie_phy", "pcie_aux", + "ref", "extref"; + reset-gpio =3D <&pcal6416_i2c3_u46 1 GPIO_ACTIVE_LOW>; + vpcie3v3aux-supply =3D <®_slot_pwr>; + supports-clkreq; + status =3D "okay"; +}; + +&pcie1_ep { + pinctrl-0 =3D <&pinctrl_pcie1>; + pinctrl-names =3D "default"; + vpcie-supply =3D <®_slot_pwr>; + status =3D "disabled"; +}; + &usb2 { dr_mode =3D "otg"; disable-over-current; --=20 2.37.1