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arm64: dts: imx8mm-venice*: add PCIe support

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Add PCIe support to GW71xx/GW72xx/GW73xx/GW7901/GW7902

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Tim Harvey
2021-12-16 08:41:49 -08:00
committed by Shawn Guo
parent 9a0f3b157e
commit afb424b99e
5 changed files with 245 additions and 0 deletions
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35
arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
View File

@@ -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 @@ led-1 {
};
};
pcie0_refclk: pcie0-refclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <100000000>;
};
pps {
compatible = "pps-gpio";
pinctrl-names = "default";
@@ -87,6 +94,28 @@ &i2c3 {
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 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
>;
};
pinctrl_pcie0: pcie0grp {
fsl,pins = <
MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x41
>;
};
pinctrl_pps: ppsgrp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x41

62
arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx.dtsi
View File

@@ -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 = &eth1;
usb0 = &usbotg1;
usb1 = &usbotg2;
};
@@ -33,6 +35,12 @@ led-1 {
};
};
pcie0_refclk: pcie0-refclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <100000000>;
};
pps {
compatible = "pps-gpio";
pinctrl-names = "default";
@@ -106,6 +114,54 @@ &i2c3 {
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 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
>;
};
pinctrl_pcie0: pcie0grp {
fsl,pins = <
MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x41
>;
};
pinctrl_pps: ppsgrp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x41

62
arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
View File

@@ -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 = &eth1;
usb0 = &usbotg1;
usb1 = &usbotg2;
};
@@ -33,6 +35,12 @@ led-1 {
};
};
pcie0_refclk: pcie0-refclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <100000000>;
};
pps {
compatible = "pps-gpio";
pinctrl-names = "default";
@@ -126,6 +134,54 @@ &i2c3 {
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 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
>;
};
pinctrl_pcie0: pcie0grp {
fsl,pins = <
MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x41
>;
};
pinctrl_pps: ppsgrp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x41

36
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
View File

@@ -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 @@ led-b {
};
};
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 @@ &i2c4 {
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 @@ MX8MM_IOMUXC_SAI1_TXD7_GPIO4_IO19 0x41 /* RST# */
>;
};
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

50
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
View File

@@ -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 = &eth1;
usb0 = &usbotg1;
usb1 = &usbotg2;
};
@@ -128,6 +130,12 @@ led-4 {
};
};
pcie0_refclk: pcie0-refclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <100000000>;
};
pps {
compatible = "pps-gpio";
pinctrl-names = "default";
@@ -547,6 +555,42 @@ &i2c4 {
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 @@ MX8MM_IOMUXC_SAI5_MCLK_GPIO3_IO25 0x19
>;
};
pinctrl_pcie0: pciegrp {
fsl,pins = <
MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5 0x41
>;
};
pinctrl_pmic: pmicgrp {
fsl,pins = <
MX8MM_IOMUXC_NAND_DATA02_GPIO3_IO8 0x41