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Reviewed-by: Peng Fan Signed-off-by: Dong Aisheng Reviewed-by: Alexander Stein Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi | 67 +++++++++++++++++++++= ++++ arch/arm64/boot/dts/freescale/imx8dxl.dtsi | 2 + arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 1 + 3 files changed, 70 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi b/arch/arm64/b= oot/dts/freescale/imx8-ss-cm40.dtsi new file mode 100644 index 0000000000000..84d7ae01e5f40 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + * Dong Aisheng + */ + +#include + +cm40_ipg_clk: clock-cm40-ipg { + compatible =3D "fixed-clock"; + #clock-cells =3D <0>; + clock-frequency =3D <132000000>; + clock-output-names =3D "cm40_ipg_clk"; +}; + +cm40_subsys: bus@34000000 { + compatible =3D "simple-bus"; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges =3D <0x34000000 0x0 0x34000000 0x4000000>; + interrupt-parent =3D <&cm40_intmux>; + + cm40_i2c: i2c@37230000 { + compatible =3D "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c"; + reg =3D <0x37230000 0x1000>; + interrupts =3D <9 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&cm40_i2c_lpcg IMX_LPCG_CLK_0>, + <&cm40_i2c_lpcg IMX_LPCG_CLK_4>; + clock-names =3D "per", "ipg"; + assigned-clocks =3D <&clk IMX_SC_R_M4_0_I2C IMX_SC_PM_CLK_PER>; + assigned-clock-rates =3D <24000000>; + power-domains =3D <&pd IMX_SC_R_M4_0_I2C>; + status =3D "disabled"; + }; + + cm40_intmux: intmux@37400000 { + compatible =3D "fsl,imx-intmux"; + reg =3D <0x37400000 0x1000>; + interrupt-parent =3D <&gic>; + interrupts =3D , + , + , + , + , + , + , + ; + interrupt-controller; + #interrupt-cells =3D <2>; + clocks =3D <&cm40_ipg_clk>; + clock-names =3D "ipg"; + power-domains =3D <&pd IMX_SC_R_M4_0_INTMUX>; + status =3D "disabled"; + }; + + cm40_i2c_lpcg: clock-controller@37630000 { + compatible =3D "fsl,imx8qxp-lpcg"; + reg =3D <0x37630000 0x1000>; + #clock-cells =3D <1>; + clocks =3D <&clk IMX_SC_R_M4_0_I2C IMX_SC_PM_CLK_PER>, + <&cm40_ipg_clk>; + clock-indices =3D , ; + clock-output-names =3D "cm40_lpcg_i2c_clk", + "cm40_lpcg_i2c_ipg_clk"; + power-domains =3D <&pd IMX_SC_R_M4_0_I2C>; + }; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/d= ts/freescale/imx8dxl.dtsi index a0674c5c55766..9d49c75a26222 100644 --- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi @@ -5,6 +5,7 @@ =20 #include #include +#include #include #include #include @@ -231,6 +232,7 @@ xtal24m: clock-xtal24m { }; =20 /* sorted in register address */ + #include "imx8-ss-cm40.dtsi" #include "imx8-ss-adma.dtsi" #include "imx8-ss-conn.dtsi" #include "imx8-ss-ddr.dtsi" diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/d= ts/freescale/imx8qxp.dtsi index 10e16d84c0c3b..0313f295de2e9 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -317,6 +317,7 @@ map0 { /* sorted in register address */ #include "imx8-ss-img.dtsi" #include "imx8-ss-vpu.dtsi" + #include "imx8-ss-cm40.dtsi" #include "imx8-ss-gpu0.dtsi" #include "imx8-ss-adma.dtsi" #include "imx8-ss-conn.dtsi" --=20 2.34.1 From nobody Mon Feb 9 16:38:09 2026 Received: from EUR04-VI1-obe.outbound.protection.outlook.com (mail-vi1eur04on2123.outbound.protection.outlook.com [40.107.8.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 17FF9135A6D; 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Signed-off-by: Alice Guo Reviewed-by: Peng Fan Reviewed-by: Alexander Stein Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi | 24 +++++++++++++++++++++= +++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi b/arch/arm64/b= oot/dts/freescale/imx8-ss-cm40.dtsi index 84d7ae01e5f40..92752c0c5eb5b 100644 --- a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi @@ -20,6 +20,18 @@ cm40_subsys: bus@34000000 { ranges =3D <0x34000000 0x0 0x34000000 0x4000000>; interrupt-parent =3D <&cm40_intmux>; =20 + cm40_lpuart: serial@37220000 { + compatible =3D "fsl,imx8qxp-lpuart"; + reg =3D <0x37220000 0x1000>; + interrupts =3D <7 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&cm40_uart_lpcg IMX_LPCG_CLK_1>, <&cm40_uart_lpcg IMX_LPCG_C= LK_0>; + clock-names =3D "ipg", "baud"; + assigned-clocks =3D <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>; + assigned-clock-rates =3D <24000000>; + power-domains =3D <&pd IMX_SC_R_M4_0_UART>; + status =3D "disabled"; + }; + cm40_i2c: i2c@37230000 { compatible =3D "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c"; reg =3D <0x37230000 0x1000>; @@ -53,6 +65,18 @@ cm40_intmux: intmux@37400000 { status =3D "disabled"; }; =20 + cm40_uart_lpcg: clock-controller@37620000 { + compatible =3D "fsl,imx8qxp-lpcg"; + reg =3D <0x37620000 0x1000>; + #clock-cells =3D <1>; + clocks =3D <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>, + <&cm40_ipg_clk>; + clock-indices =3D , ; + clock-output-names =3D "cm40_lpcg_uart_clk", + "cm40_lpcg_uart_ipg_clk"; + power-domains =3D <&pd IMX_SC_R_M4_0_UART>; + }; + cm40_i2c_lpcg: clock-controller@37630000 { compatible =3D "fsl,imx8qxp-lpcg"; reg =3D <0x37630000 0x1000>; --=20 2.34.1 From nobody Mon Feb 9 16:38:09 2026 Received: from EUR04-VI1-obe.outbound.protection.outlook.com (mail-vi1eur04on2123.outbound.protection.outlook.com [40.107.8.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 204DC13F422; 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Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8dxl.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/d= ts/freescale/imx8dxl.dtsi index 9d49c75a26222..b9d137d69f5a7 100644 --- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi @@ -243,3 +243,14 @@ xtal24m: clock-xtal24m { #include "imx8dxl-ss-conn.dtsi" #include "imx8dxl-ss-lsio.dtsi" #include "imx8dxl-ss-ddr.dtsi" + +&cm40_intmux { + interrupts =3D , + , + , + , + , + , + , + ; +}; --=20 2.34.1 From nobody Mon Feb 9 16:38:09 2026 Received: from EUR04-VI1-obe.outbound.protection.outlook.com (mail-vi1eur04on2102.outbound.protection.outlook.com [40.107.8.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C249135A6D; Tue, 2 Apr 2024 14:41:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 37 +++++++++++++++++++++++= ++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8dxl-evk.dts index 2123d431e0613..2412ab145c066 100644 --- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts @@ -16,6 +16,8 @@ aliases { mmc0 =3D &usdhc1; mmc1 =3D &usdhc2; serial0 =3D &lpuart0; + serial1 =3D &lpuart1; + serial6 =3D &cm40_lpuart; }; =20 chosen { @@ -51,6 +53,16 @@ linux,cma { }; }; =20 + m2_uart1_sel: regulator-m2uart1sel { + compatible =3D "regulator-fixed"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + regulator-name =3D "m2_uart1_sel"; + gpio =3D <&pca6416_1 6 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-always-on; + }; + mux3_en: regulator-0 { compatible =3D "regulator-fixed"; regulator-min-microvolt =3D <3300000>; @@ -340,6 +352,12 @@ &lpuart0 { status =3D "okay"; }; =20 +&lpuart1 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_lpuart1>; + status =3D "okay"; +}; + &flexcan2 { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_flexcan2>; @@ -354,6 +372,16 @@ &flexcan3 { status =3D "okay"; }; =20 +&cm40_intmux { + status =3D "disabled"; +}; + +&cm40_lpuart { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_cm40_lpuart>; + status =3D "disabled"; +}; + &lsio_gpio4 { status =3D "okay"; }; @@ -595,6 +623,15 @@ IMX8DXL_UART0_TX_ADMA_UART0_TX 0x06000020 >; }; =20 + pinctrl_lpuart1: lpuart1grp { + fsl,pins =3D < + IMX8DXL_UART1_TX_ADMA_UART1_TX 0x06000020 + IMX8DXL_UART1_RX_ADMA_UART1_RX 0x06000020 + IMX8DXL_UART1_RTS_B_ADMA_UART1_RTS_B 0x06000020 + IMX8DXL_UART1_CTS_B_ADMA_UART1_CTS_B 0x06000020 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins =3D < IMX8DXL_EMMC0_CLK_CONN_EMMC0_CLK 0x06000041 --=20 2.34.1