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arm64: dts: tqma8mqml: add PCIe support 

Add PCIe support to TQMa8MxML series.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Alexander Stein 2022-01-26 14:23:38 +01:00 committed by Shawn Guo
parent 9cbe605b8e
commit 1d84283101
3 changed files with 30 additions and 0 deletions
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19
arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
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@ -5,6 +5,7 @@
/dts-v1/;
#include <dt-bindings/phy/phy-imx8-pcie.h>
#include "imx8mm-tqma8mqml.dtsi"
#include "mba8mx.dtsi"
@ -58,6 +59,24 @@
};
};
&pcie_phy {
clocks = <&pcie0_refclk>;
status = "okay";
};
&pcie0 {
reset-gpio = <&expander0 14 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";
};
&sai3 {
assigned-clocks = <&clk IMX8MM_CLK_SAI3>;
assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;

5
arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
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@ -227,6 +227,11 @@
};
};
&pcie_phy {
fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
fsl,clkreq-unsupported;
};
&usdhc3 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc3>;

6
arch/arm64/boot/dts/freescale/mba8mx.dtsi
View File

@ -66,6 +66,12 @@
};
};
pcie0_refclk: pcie0-refclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <100000000>;
};
reg_hub_vbus: regulator-hub-vbus {
compatible = "regulator-fixed";
regulator-name = "MBA8MX_HUB_VBUS";