* [PATCH 1/1] arm64: dts: tqma8mqml: add PCIe support
@ 2021-12-17 10:22 Alexander Stein
2022-01-26 12:56 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Alexander Stein @ 2021-12-17 10:22 UTC (permalink / raw)
To: Rob Herring, Shawn Guo, Sascha Hauer
Cc: Alexander Stein, devicetree, linux-arm-kernel
Add PCIe support to TQMa8MxML series.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.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-tqma8mqml-mba8mx.dts | 19 +++++++++++++++++++
.../boot/dts/freescale/imx8mm-tqma8mqml.dtsi | 5 +++++
arch/arm64/boot/dts/freescale/mba8mx.dtsi | 6 ++++++
3 files changed, 30 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
index 7844878788f4..286d2df01cfa 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
@@ -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 @@ expander2: gpio@27 {
};
};
+&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>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
index 284e62acc0b4..16ee9b5179e6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
@@ -227,6 +227,11 @@ eeprom0: eeprom@57 {
};
};
+&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>;
diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
index e694dacb16af..42e12c190e9e 100644
--- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi
+++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
@@ -87,6 +87,12 @@ panel_in_lvds0: endpoint {
};
};
+ pcie0_refclk: pcie0-refclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ };
+
reg_12v: regulator-12v {
compatible = "regulator-fixed";
regulator-name = "MBA8MX_12V";
--
2.25.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1] arm64: dts: tqma8mqml: add PCIe support
2021-12-17 10:22 [PATCH 1/1] arm64: dts: tqma8mqml: add PCIe support Alexander Stein
@ 2022-01-26 12:56 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2022-01-26 12:56 UTC (permalink / raw)
To: Alexander Stein; +Cc: Rob Herring, Sascha Hauer, devicetree, linux-arm-kernel
On Fri, Dec 17, 2021 at 11:22:07AM +0100, Alexander Stein wrote:
> Add PCIe support to TQMa8MxML series.
>
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
It doesn't apply to my imx/dt64 branch. Could you rebase?
Shawn
> ---
> 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-tqma8mqml-mba8mx.dts | 19 +++++++++++++++++++
> .../boot/dts/freescale/imx8mm-tqma8mqml.dtsi | 5 +++++
> arch/arm64/boot/dts/freescale/mba8mx.dtsi | 6 ++++++
> 3 files changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
> index 7844878788f4..286d2df01cfa 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
> @@ -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 @@ expander2: gpio@27 {
> };
> };
>
> +&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>;
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
> index 284e62acc0b4..16ee9b5179e6 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
> @@ -227,6 +227,11 @@ eeprom0: eeprom@57 {
> };
> };
>
> +&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>;
> diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
> index e694dacb16af..42e12c190e9e 100644
> --- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi
> +++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
> @@ -87,6 +87,12 @@ panel_in_lvds0: endpoint {
> };
> };
>
> + pcie0_refclk: pcie0-refclk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <100000000>;
> + };
> +
> reg_12v: regulator-12v {
> compatible = "regulator-fixed";
> regulator-name = "MBA8MX_12V";
> --
> 2.25.1
>
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