[PATCH 1/3] dt-bindings: phy: phy-imx8-pcie: Add binding for the pad modes of imx8 pcie phy
From: Richard Zhu hongxing.zhu@nxp.com
Add binding for reference clock PAD modes of the i.MX8 PCIe PHY.
Signed-off-by: Richard Zhu hongxing.zhu@nxp.com Tested-by: Marcel Ziswiler marcel.ziswiler@toradex.com Reviewed-by: Tim Harvey tharvey@gateworks.com Tested-by: Tim Harvey tharvey@gateworks.com Reviewed-by: Rob Herring robh@kernel.org Link: https://lore.kernel.org/r/1638432158-4119-2-git-send-email-hongxing.zhu@nxp.... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Marek Vasut marex@denx.de # Pick from Linux f6f787874aa5 ("dt-bindings: phy: phy-imx8-pcie: Add binding for the pad modes of imx8 pcie phy") --- include/dt-bindings/phy/phy-imx8-pcie.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 include/dt-bindings/phy/phy-imx8-pcie.h
diff --git a/include/dt-bindings/phy/phy-imx8-pcie.h b/include/dt-bindings/phy/phy-imx8-pcie.h new file mode 100644 index 00000000000..8bbe2d6538d --- /dev/null +++ b/include/dt-bindings/phy/phy-imx8-pcie.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * This header provides constants for i.MX8 PCIe. + */ + +#ifndef _DT_BINDINGS_IMX8_PCIE_H +#define _DT_BINDINGS_IMX8_PCIE_H + +/* Reference clock PAD mode */ +#define IMX8_PCIE_REFCLK_PAD_UNUSED 0 +#define IMX8_PCIE_REFCLK_PAD_INPUT 1 +#define IMX8_PCIE_REFCLK_PAD_OUTPUT 2 + +#endif /* _DT_BINDINGS_IMX8_PCIE_H */
From: Richard Zhu hongxing.zhu@nxp.com
Add the PCIe PHY support on iMX8MM platforms.
Signed-off-by: Richard Zhu hongxing.zhu@nxp.com Tested-by: Marcel Ziswiler marcel.ziswiler@toradex.com Reviewed-by: Tim Harvey tharvey@gateworks.com Tested-by: Tim Harvey tharvey@gateworks.com Signed-off-by: Shawn Guo shawnguo@kernel.org Signed-off-by: Marek Vasut marex@denx.de # Pick from Linux b9ec888f636f ("arm64: dts: imx8mm: Add the pcie phy support") --- arch/arm/dts/imx8mm.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/arch/arm/dts/imx8mm.dtsi b/arch/arm/dts/imx8mm.dtsi index b142b80734d..63cab127c4c 100644 --- a/arch/arm/dts/imx8mm.dtsi +++ b/arch/arm/dts/imx8mm.dtsi @@ -1041,6 +1041,19 @@ reg = <0x32e50200 0x200>; };
+ pcie_phy: pcie-phy@32f00000 { + compatible = "fsl,imx8mm-pcie-phy"; + reg = <0x32f00000 0x10000>; + clocks = <&clk IMX8MM_CLK_PCIE1_PHY>; + clock-names = "ref"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_PHY>; + assigned-clock-rates = <100000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_100M>; + resets = <&src IMX8MQ_RESET_PCIEPHY>; + reset-names = "pciephy"; + #phy-cells = <0>; + status = "disabled"; + }; };
dma_apbh: dma-controller@33000000 {
From: Richard Zhu hongxing.zhu@nxp.com Add the PCIe PHY support on iMX8MM platforms. Signed-off-by: Richard Zhu hongxing.zhu@nxp.com Tested-by: Marcel Ziswiler marcel.ziswiler@toradex.com Reviewed-by: Tim Harvey tharvey@gateworks.com Tested-by: Tim Harvey tharvey@gateworks.com Signed-off-by: Shawn Guo shawnguo@kernel.org Signed-off-by: Marek Vasut marex@denx.de # Pick from Linux b9ec888f636f ("arm64: dts: imx8mm: Add the pcie phy support")
Applied to u-boot-imx, master, thanks !
Best regards, Stefano Babic
From: Richard Zhu hongxing.zhu@nxp.com
Add the PCIe support on i.MX8MM platforms.
Signed-off-by: Richard Zhu hongxing.zhu@nxp.com Tested-by: Marcel Ziswiler marcel.ziswiler@toradex.com Reviewed-by: Tim Harvey tharvey@gateworks.com Tested-by: Tim Harvey tharvey@gateworks.com Signed-off-by: Shawn Guo shawnguo@kernel.org Signed-off-by: Marek Vasut marex@denx.de # Pick from Linux 854a4766ac12 ("arm64: dts: imx8mm: Add the pcie support") --- arch/arm/dts/imx8mm.dtsi | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/imx8mm.dtsi b/arch/arm/dts/imx8mm.dtsi index 63cab127c4c..724f6ddbf39 100644 --- a/arch/arm/dts/imx8mm.dtsi +++ b/arch/arm/dts/imx8mm.dtsi @@ -510,7 +510,7 @@ };
gpr: iomuxc-gpr@30340000 { - compatible = "fsl,imx8mm-iomuxc-gpr", "syscon"; + compatible = "fsl,imx8mm-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr", "syscon"; reg = <0x30340000 0x10000>; };
@@ -1085,6 +1085,37 @@ status = "disabled"; };
+ pcie0: pcie@33800000 { + compatible = "fsl,imx8mm-pcie"; + reg = <0x33800000 0x400000>, <0x1ff00000 0x80000>; + reg-names = "dbi", "config"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + bus-range = <0x00 0xff>; + ranges = <0x81000000 0 0x00000000 0x1ff80000 0 0x00010000 /* downstream I/O 64KB */ + 0x82000000 0 0x18000000 0x18000000 0 0x07f00000>; /* non-prefetchable memory */ + num-lanes = <1>; + num-viewport = <4>; + interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "msi"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <0 0 0 1 &gic GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &gic GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &gic GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &gic GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>; + fsl,max-link-speed = <2>; + linux,pci-domain = <0>; + power-domains = <&pgc_pcie>; + resets = <&src IMX8MQ_RESET_PCIE_CTRL_APPS_EN>, + <&src IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF>; + reset-names = "apps", "turnoff"; + phys = <&pcie_phy>; + phy-names = "pcie-phy"; + status = "disabled"; + }; + gic: interrupt-controller@38800000 { compatible = "arm,gic-v3"; reg = <0x38800000 0x10000>, /* GIC Dist */
From: Richard Zhu hongxing.zhu@nxp.com Add the PCIe support on i.MX8MM platforms. Signed-off-by: Richard Zhu hongxing.zhu@nxp.com Tested-by: Marcel Ziswiler marcel.ziswiler@toradex.com Reviewed-by: Tim Harvey tharvey@gateworks.com Tested-by: Tim Harvey tharvey@gateworks.com Signed-off-by: Shawn Guo shawnguo@kernel.org Signed-off-by: Marek Vasut marex@denx.de # Pick from Linux 854a4766ac12 ("arm64: dts: imx8mm: Add the pcie support")
Applied to u-boot-imx, master, thanks !
Best regards, Stefano Babic
From: Richard Zhu hongxing.zhu@nxp.com Add binding for reference clock PAD modes of the i.MX8 PCIe PHY. Signed-off-by: Richard Zhu hongxing.zhu@nxp.com Tested-by: Marcel Ziswiler marcel.ziswiler@toradex.com Reviewed-by: Tim Harvey tharvey@gateworks.com Tested-by: Tim Harvey tharvey@gateworks.com Reviewed-by: Rob Herring robh@kernel.org Link: https://lore.kernel.org/r/1638432158-4119-2-git-send-email-hongxing.zhu@nxp.... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Marek Vasut marex@denx.de # Pick from Linux f6f787874aa5 ("dt-bindings: phy: phy-imx8-pcie: Add binding for the pad modes of imx8 pcie phy")
Applied to u-boot-imx, master, thanks !
Best regards, Stefano Babic
participants (2)
-
Marek Vasut -
sbabic＠denx.de