On 04.01.23 14:05, Johannes Schneider wrote:
> the current EVKB come with LPDDR4, and a different PMIC
>
> Signed-off-by: Johannes Schneider <johannes.schneider@xxxxxxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/arm/fsl.yaml | 1 +
> arch/arm64/boot/dts/freescale/imx8mm-evkb.dts | 132 ++++++++++++++++++
> 2 files changed, 133 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-evkb.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
> index fbfc4f99c01e..9c3a02c19847 100644
> --- a/Documentation/devicetree/bindings/arm/fsl.yaml
> +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
> @@ -818,6 +818,7 @@ properties:
> - emtrion,emcon-mx8mm-avari # emCON-MX8MM SoM on Avari Base
> - fsl,imx8mm-ddr4-evk # i.MX8MM DDR4 EVK Board
> - fsl,imx8mm-evk # i.MX8MM EVK Board
> + - fsl,imx8mm-evkb # i.MX8MM EVK Board, rev-B
> - gateworks,imx8mm-gw7904
> - gw,imx8mm-gw71xx-0x # i.MX8MM Gateworks Development Kit
> - gw,imx8mm-gw72xx-0x # i.MX8MM Gateworks Development Kit
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evkb.dts b/arch/arm64/boot/dts/freescale/imx8mm-evkb.dts
> new file mode 100644
> index 000000000000..5907e739d9f6
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evkb.dts
> @@ -0,0 +1,132 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2019-2020 NXP
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mm-evk.dtsi"
> +
> +/ {
> + model = "FSL i.MX8MM EVK board with LPDDR4";
Please note the 'b' revision in the model string.
> + compatible = "fsl,imx8mm-evkb", "fsl,imx8mm";
> +};
> +
> +&A53_0 {
> + cpu-supply = <&buck2_reg>;
> +};
> +
> +&A53_1 {
> + cpu-supply = <&buck2_reg>;
> +};
> +
> +&A53_2 {
> + cpu-supply = <&buck2_reg>;
> +};
> +
> +&A53_3 {
> + cpu-supply = <&buck2_reg>;
> +};
> +
> +&i2c1 {
> + pmic: pmic@25 {
> + compatible = "nxp,pca9450a";
> + reg = <0x25>;
> + pinctrl-0 = <&pinctrl_pmic>;
> + pinctrl-names = "default";
> + interrupt-parent = <&gpio1>;
> + interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> +
> + regulators {
> + buck1_reg: BUCK1 {
> + regulator-name = "BUCK1";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + nxp,dvs-run-voltage = <820000>;
> + nxp,dvs-standby-voltage = <800000>;
> + };
> +
> + buck2_reg: BUCK2 {
> + regulator-name = "BUCK2";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + };
> +
> + buck3_reg: BUCK3 {
> + regulator-name = "BUCK3";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck4_reg: BUCK4 {
> + regulator-name = "BUCK4";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck5_reg: BUCK5 {
> + regulator-name = "BUCK5";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck6_reg: BUCK6 {
> + regulator-name = "BUCK6";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo1_reg: LDO1 {
> + regulator-name = "LDO1";
> + regulator-min-microvolt = <1600000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo2_reg: LDO2 {
> + regulator-name = "LDO2";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1150000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo3_reg: LDO3 {
> + regulator-name = "LDO3";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo4_reg: LDO4 {
> + regulator-name = "LDO4";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo5_reg: LDO5 {
> + regulator-name = "LDO5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + };
> + };
> + };
> +};
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
