On 30/03/2022 21:14, Manoj Sai wrote:
> i.Core MX8M Plus is an EDIMM SoM based on NXP i.MX8M Plus
> from Engicam.
>
> General features:
> - NXP i.MX8M Plus
> - Up to 4GB LDDR4
> - 8 eMMC
> - Gigabit Ethernet
> - USB 3.0, 2.0 Host/OTG
> - PCIe 3.0 interface
> - I2S
> - LVDS
> - rest of i.MX8M Plus features
>
> i.Core MX8M Plus needs to mount on top of Engicam baseboards
> for creating complete platform solutions.
>
> Add support for it.
>
> Signed-off-by: Manoj Sai <abbaraju.manojsai@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Matteo Lisi <matteo.lisi@xxxxxxxxxxx>
> Reviewed-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> ---
> .../dts/freescale/imx8mp-icore-mx8mp.dtsi | 202 ++++++++++++++++++
> 1 file changed, 202 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-icore-mx8mp.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-icore-mx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-icore-mx8mp.dtsi
> new file mode 100644
> index 000000000000..10afa8983700
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-icore-mx8mp.dtsi
> @@ -0,0 +1,202 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2018 NXP
> + * Copyright (c) 2019 Engicam srl
> + * Copyright (c) 2020 Amarula Solutons(India)
> + */
> +
> +/ {
> + compatible = "engicam,icore-mx8mp", "fsl,imx8mp";
> +};
> +
> +&A53_0 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_1 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_2 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_3 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&i2c1 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + pmic: pca9450@25 {
Generic node names, so pmic.
> + reg = <0x25>;
> + compatible = "nxp,pca9450c";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pmic>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <3 GPIO_ACTIVE_LOW>;
> +
> + regulators {
> + buck1: BUCK1 {
> + regulator-name = "BUCK1";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + };
> +
> + buck2: BUCK2 {
> + regulator-name = "BUCK2";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + nxp,dvs-run-voltage = <950000>;
> + nxp,dvs-standby-voltage = <850000>;
> + };
> +
> + buck4: BUCK4{
> + regulator-name = "BUCK4";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck5: BUCK5{
> + regulator-name = "BUCK5";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck6: BUCK6 {
> + regulator-name = "BUCK6";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo1: LDO1 {
> + regulator-name = "LDO1";
> + regulator-min-microvolt = <1600000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo2: LDO2 {
> + regulator-name = "LDO2";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1150000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo3: LDO3 {
> + regulator-name = "LDO3";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo4: LDO4 {
> + regulator-name = "LDO4";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo5: LDO5 {
> + regulator-name = "LDO5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> +
> +&iomuxc {
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c3
> + MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_pmic: pmicirq {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x000001c0
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x190
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d0
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d0
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d0
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d0
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d0
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d0
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d0
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d0
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d0
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x190
> + >;
> + };
> +
> + pinctrl_usdhc3_100mhz: usdhc3grp-100mhz {
Incorrect node names. Please take a look how this is done in existing
sources and bindings.
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x194
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d4
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d4
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d4
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d4
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d4
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d4
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d4
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d4
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d4
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x194
> + >;
> + };
> +
> + pinctrl_usdhc3_200mhz: usdhc3grp-200mhz {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x196
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d6
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d6
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d6
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d6
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d6
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d6
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d6
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d6
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d6
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x196
> + >;
> + };
> +};
> +
> +/* EMMC */
> +&usdhc3 {
iomux by convention in NXP goes at the end.
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + bus-width = <8>;
> + non-removable;
> + status = "okay";
> +};
Best regards,
Krzysztof
