[PATCH] arm64: dts: imx8mm-venice*: add PCIe support
From: Tim Harvey <tharvey@gateworks.com>
Date: 2021-12-16 16:42:00
Also in:
linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
Add PCIe support to GW71xx/GW72xx/GW73xx/GW7901/GW7902 Signed-off-by: Tim Harvey <tharvey@gateworks.com> --- This goes on top of the series recently applied to pci/dwc [1]: [PATCH v7 0/8] Add the imx8m pcie phy driver and imx8mm pcie support [1] - https://patchwork.kernel.org/project/linux-pci/list/?series=589031&state=* .../dts/freescale/imx8mm-venice-gw71xx.dtsi | 35 +++++++++++ .../dts/freescale/imx8mm-venice-gw72xx.dtsi | 62 +++++++++++++++++++ .../dts/freescale/imx8mm-venice-gw73xx.dtsi | 62 +++++++++++++++++++ .../dts/freescale/imx8mm-venice-gw7901.dts | 36 +++++++++++ .../dts/freescale/imx8mm-venice-gw7902.dts | 50 +++++++++++++++ 5 files changed, 245 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
index 28012279f6f6..506335efc391 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi@@ -5,6 +5,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/leds/common.h> +#include <dt-bindings/phy/phy-imx8-pcie.h> / { aliases {
@@ -33,6 +34,12 @@ }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + pps { compatible = "pps-gpio"; pinctrl-names = "default";
@@ -87,6 +94,28 @@ status = "okay"; }; +&pcie_phy { + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>; + fsl,clkreq-unsupported; + clocks = <&pcie0_refclk>; + status = "okay"; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio4 6 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + status = "okay"; +}; + /* GPS */ &uart1 { pinctrl-names = "default";
@@ -148,6 +177,12 @@ >; }; + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x41 + >; + }; + pinctrl_pps: ppsgrp { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x41
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi
index 27afa46a253a..72a3a3aa8fcd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi@@ -5,9 +5,11 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/leds/common.h> +#include <dt-bindings/phy/phy-imx8-pcie.h> / { aliases { + ethernet1 = ð1; usb0 = &usbotg1; usb1 = &usbotg2; };
@@ -33,6 +35,12 @@ }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + pps { compatible = "pps-gpio"; pinctrl-names = "default";
@@ -106,6 +114,54 @@ status = "okay"; }; +&pcie_phy { + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>; + fsl,clkreq-unsupported; + clocks = <&pcie0_refclk>; + status = "okay"; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio4 6 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + status = "okay"; + + pcie@0,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + pcie@1,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + pcie@2,3 { + reg = <0x1800 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + eth1: pcie@5,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + local-mac-address = [00 00 00 00 00 00]; + }; + }; + }; + }; +}; + /* off-board header */ &sai3 { pinctrl-names = "default";
@@ -198,6 +254,12 @@ >; }; + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x41 + >; + }; + pinctrl_pps: ppsgrp { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x41
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
index a59e849c7be2..7b00b6b5bb38 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi@@ -5,9 +5,11 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/leds/common.h> +#include <dt-bindings/phy/phy-imx8-pcie.h> / { aliases { + ethernet1 = ð1; usb0 = &usbotg1; usb1 = &usbotg2; };
@@ -33,6 +35,12 @@ }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + pps { compatible = "pps-gpio"; pinctrl-names = "default";
@@ -126,6 +134,54 @@ status = "okay"; }; +&pcie_phy { + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>; + fsl,clkreq-unsupported; + clocks = <&pcie0_refclk>; + status = "okay"; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio4 6 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + status = "okay"; + + pcie@0,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + pcie@1,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + pcie@2,4 { + reg = <0x2000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + eth1: pcie@6,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + local-mac-address = [00 00 00 00 00 00]; + }; + }; + }; + }; +}; + /* off-board header */ &sai3 { pinctrl-names = "default";
@@ -241,6 +297,12 @@ >; }; + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x41 + >; + }; + pinctrl_pps: ppsgrp { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x41
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
index 65ee72fc1487..4bf2b97b3ef5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts@@ -8,6 +8,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/linux-event-codes.h> #include <dt-bindings/leds/common.h> +#include <dt-bindings/phy/phy-imx8-pcie.h> #include "imx8mm.dtsi"
@@ -179,6 +180,12 @@ }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + reg_3p3v: regulator-3p3v { compatible = "regulator-fixed"; regulator-name = "3P3V";
@@ -644,6 +651,28 @@ status = "okay"; }; +&pcie_phy { + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>; + fsl,clkreq-unsupported; + clocks = <&pcie0_refclk>; + status = "okay"; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio5 2 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + status = "okay"; +}; + &pgc_gpu { status = "disabled"; };
@@ -820,6 +849,13 @@ >; }; + pinctrl_pcie0: pciegrp { + fsl,pins = < + MX8MM_IOMUXC_SAI3_TXFS_GPIO4_IO31 0x40000041 /* WDIS# */ + MX8MM_IOMUXC_SAI3_MCLK_GPIO5_IO2 0x41 + >; + }; + pinctrl_pmic: pmicgrp { fsl,pins = < MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20 0x41
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
index d52686f4c059..1b2aaf299b24 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts@@ -9,6 +9,7 @@ #include <dt-bindings/input/linux-event-codes.h> #include <dt-bindings/leds/common.h> #include <dt-bindings/net/ti-dp83867.h> +#include <dt-bindings/phy/phy-imx8-pcie.h> #include "imx8mm.dtsi"
@@ -17,6 +18,7 @@ compatible = "gw,imx8mm-gw7902", "fsl,imx8mm"; aliases { + ethernet1 = ð1; usb0 = &usbotg1; usb1 = &usbotg2; };
@@ -128,6 +130,12 @@ }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + pps { compatible = "pps-gpio"; pinctrl-names = "default";
@@ -547,6 +555,42 @@ status = "okay"; }; +&pcie_phy { + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>; + fsl,clkreq-unsupported; + clocks = <&clk IMX8MM_CLK_DUMMY>; + status = "okay"; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio4 5 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_DUMMY>, <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + status = "okay"; + + pcie@0,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + eth1: pcie@1,0 { + reg = <0x0000 0 0 0 0>; + #address-cells = <1>; + #size-cells = <0>; + + local-mac-address = [00 00 00 00 00 00]; + }; + }; +}; + /* off-board header */ &sai3 { pinctrl-names = "default";
@@ -737,6 +781,12 @@ >; }; + pinctrl_pcie0: pciegrp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5 0x41 + >; + }; + pinctrl_pmic: pmicgrp { fsl,pins = < MX8MM_IOMUXC_NAND_DATA02_GPIO3_IO8 0x41
--
2.17.1
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