Re: [PATCH 7/7] arm64: dts: imx8dxl: Add i.MX8DXL evk board support

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On Tue, May 18, 2021 at 1:16 AM <abelvesa@xxxxxxxxxx> wrote:
>
> From: Jacky Bai <ping.bai@xxxxxxx>
>
> Add i.MX8DXL EVK board support.
>
> Signed-off-by: Jacky Bai <ping.bai@xxxxxxx>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 429 ++++++++++++++++++
>  2 files changed, 430 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 44890d56c194..feaa7b4054ce 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -60,6 +60,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mq-pico-pi.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-thor96.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-zii-ultra-rmb3.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mq-zii-ultra-zest.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8dxl-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8qm-mek.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8qxp-ai_ml.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-eval-v3.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> new file mode 100644
> index 000000000000..28ab4fd76aaa
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> @@ -0,0 +1,429 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2019-2021 NXP
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8dxl.dtsi"
> +
> +/ {
> +       model = "Freescale i.MX8DXL EVK";
> +       compatible = "fsl,imx8dxl-evk", "fsl,imx8dxl";
> +
> +       chosen {
> +               stdout-path = &lpuart0;
> +       };
> +
> +       memory@80000000 {
> +               device_type = "memory";
> +               reg = <0x00000000 0x80000000 0 0x40000000>;
> +       };
> +
> +       reserved-memory {
> +               #address-cells = <2>;
> +               #size-cells = <2>;
> +               ranges;
> +
> +               /*
> +                * 0x8800_0000 ~ 0x8FFF_FFFF is reserved for M4
> +                * Shouldn't be used at A core and Linux side.
> +                *
> +                */
> +               m4_reserved: m4@0x88000000 {
> +                       no-map;
> +                       reg = <0 0x88000000 0 0x8000000>;
> +               };
> +
> +               rpmsg_reserved: rpmsg@0x90200000 {
> +                       no-map;
> +                       reg = <0 0x90200000 0 0x200000>;
> +               };

suggest adding reserve memory along with function enablement

> +
> +               /* global autoconfigured region for contiguous allocations */
> +               linux,cma {
> +                       compatible = "shared-dma-pool";
> +                       reusable;
> +                       size = <0 0x14000000>;
> +                       alloc-ranges = <0 0x98000000 0 0x14000000>;
> +                       linux,cma-default;
> +               };
> +
> +               vdev0vring0: vdev0vring0@90000000 {
> +                       reg = <0 0x90000000 0 0x8000>;
> +                       no-map;
> +               };
> +
> +               vdev0vring1: vdev0vring1@90008000 {
> +                       reg = <0 0x90008000 0 0x8000>;
> +                       no-map;
> +               };
> +
> +               vdev1vring0: vdev1vring0@90010000 {
> +                       reg = <0 0x90010000 0 0x8000>;
> +                       no-map;
> +               };
> +
> +               vdev1vring1: vdev1vring1@90018000 {
> +                       reg = <0 0x90018000 0 0x8000>;
> +                       no-map;
> +               };
> +
> +               vdevbuffer: vdevbuffer {
> +                       compatible = "shared-dma-pool";
> +                       reg = <0 0x90400000 0 0x100000>;
> +                       no-map;
> +               };

ditto

> +       };
> +
> +       modem_reset: modem-reset {
> +               compatible = "gpio-reset";
> +               reset-gpios = <&pca6416_2 0 GPIO_ACTIVE_LOW>;
> +               reset-delay-us = <2000>;
> +               reset-post-delay-ms = <40>;
> +               #reset-cells = <0>;
> +       };
> +
> +       reg_usdhc2_vmmc: usdhc2-vmmc {
> +               compatible = "regulator-fixed";
> +               regulator-name = "SD1_SPWR";
> +               regulator-min-microvolt = <3000000>;
> +               regulator-max-microvolt = <3000000>;
> +               gpio = <&lsio_gpio4 30 GPIO_ACTIVE_HIGH>;
> +               enable-active-high;
> +               off-on-delay-us = <3480>;
> +       };
> +};
> +
> +&imx8dxl_cm4 {
> +       memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdevbuffer>,
> +                       <&vdev1vring0>, <&vdev1vring1>;
> +       status = "disabled";
> +};

drop first

> +
> +&i2c2 {
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +       clock-frequency = <100000>;
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_i2c2>;
> +       status = "okay";
> +
> +       pca6416_1: gpio@20 {
> +               compatible = "ti,tca6416";
> +               reg = <0x20>;
> +               gpio-controller;
> +               #gpio-cells = <2>;
> +       };
> +
> +       pca6416_2: gpio@21 {
> +               compatible = "ti,tca6416";
> +               reg = <0x21>;
> +               gpio-controller;
> +               #gpio-cells = <2>;
> +       };
> +
> +       pca9548_1: pca9548@70 {
> +               compatible = "nxp,pca9548";
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +               reg = <0x70>;
> +
> +               i2c@0 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x0>;
> +
> +                       max7322: gpio@68 {
> +                               compatible = "maxim,max7322";
> +                               reg = <0x68>;
> +                               gpio-controller;
> +                               #gpio-cells = <2>;
> +                               status = "disabled";
> +                       };
> +               };
> +
> +               i2c@4 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x4>;
> +               };
> +
> +               i2c@5 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x5>;
> +               };
> +
> +               i2c@6 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x6>;
> +               };
> +       };
> +};
> +
> +&i2c3 {
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +       clock-frequency = <100000>;
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_i2c3>;
> +       status = "okay";
> +
> +       pca6416_3: gpio@20 {
> +               compatible = "ti,tca6416";
> +               reg = <0x20>;
> +               gpio-controller;
> +               #gpio-cells = <2>;
> +               interrupt-parent = <&lsio_gpio2>;
> +               interrupts = <5 IRQ_TYPE_EDGE_RISING>;
> +       };
> +
> +       pca9548_2: pca9548@70 {
> +               compatible = "nxp,pca9548";
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +               reg = <0x70>;
> +
> +               i2c@0 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x0>;
> +               };
> +
> +               i2c@1 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x1>;
> +               };
> +
> +               i2c@2 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x2>;
> +               };
> +
> +               i2c@3 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x3>;
> +               };
> +
> +               i2c@4 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x4>;
> +               };
> +       };
> +};
> +
> +&lpuart0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_lpuart0>;
> +       status = "okay";
> +};
> +
> +&lpuart1 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_lpuart1>;
> +       resets = <&modem_reset>;
> +       status = "okay";
> +};
> +
> +&lsio_gpio4 {
> +       status = "okay";
> +};
> +
> +&lsio_gpio5 {
> +       status = "okay";
> +};
> +
> +&thermal_zones {
> +       pmic-thermal0 {
> +               polling-delay-passive = <250>;
> +               polling-delay = <2000>;
> +               thermal-sensors = <&tsens IMX_SC_R_PMIC_0>;
> +               trips {
> +                       pmic_alert0: trip0 {
> +                               temperature = <110000>;
> +                               hysteresis = <2000>;
> +                               type = "passive";
> +                       };
> +                       pmic_crit0: trip1 {
> +                               temperature = <125000>;
> +                               hysteresis = <2000>;
> +                               type = "critical";
> +                       };
> +               };
> +               cooling-maps {
> +                       map0 {
> +                               trip = <&pmic_alert0>;
> +                               cooling-device =
> +                                       <&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                       <&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +                       };
> +               };
> +       };
> +};
> +
> +&usdhc1 {
> +               pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +               pinctrl-0 = <&pinctrl_usdhc1>;
> +               pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> +               pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> +               bus-width = <8>;
> +               no-sd;
> +               no-sdio;
> +               non-removable;
> +               status = "okay";
> +};
> +
> +&usdhc2 {
> +               pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +               pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> +               pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
> +               pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
> +               bus-width = <4>;
> +               vmmc-supply = <&reg_usdhc2_vmmc>;
> +               cd-gpios = <&lsio_gpio5 1 GPIO_ACTIVE_LOW>;
> +               wp-gpios = <&lsio_gpio5 0 GPIO_ACTIVE_HIGH>;
> +               max-frequency = <100000000>;
> +               status = "okay";
> +};
> +
> +&iomuxc {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_hog>;
> +
> +       pinctrl_hog: hoggrp {
> +               fsl,pins = <
> +                       IMX8DXL_COMP_CTL_GPIO_1V8_3V3_GPIORHB_PAD       0x000514a0
> +                       IMX8DXL_COMP_CTL_GPIO_1V8_3V3_GPIORHK_PAD       0x000014a0
> +                       IMX8DXL_SPI3_CS0_ADMA_ACM_MCLK_OUT1             0x0600004c
> +                       IMX8DXL_SNVS_TAMPER_OUT1_LSIO_GPIO2_IO05_IN     0x0600004c
> +               >;
> +       };
> +
> +       pinctrl_i2c2: i2c2grp {
> +               fsl,pins = <
> +                       IMX8DXL_SPI1_SCK_ADMA_I2C2_SDA          0x06000021
> +                       IMX8DXL_SPI1_SDO_ADMA_I2C2_SCL          0x06000021
> +               >;
> +       };
> +
> +       pinctrl_i2c3: i2c3grp {
> +               fsl,pins = <
> +                       IMX8DXL_SPI1_CS0_ADMA_I2C3_SDA          0x06000021
> +                       IMX8DXL_SPI1_SDI_ADMA_I2C3_SCL          0x06000021
> +               >;
> +       };
> +
> +       pinctrl_lpuart0: lpuart0grp {
> +               fsl,pins = <
> +                       IMX8DXL_UART0_RX_ADMA_UART0_RX          0x06000020
> +                       IMX8DXL_UART0_TX_ADMA_UART0_TX          0x06000020
> +               >;
> +       };
> +
> +       pinctrl_lpuart1: lpuart1grp {
> +               fsl,pins = <
> +                       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 = <
> +                       IMX8DXL_EMMC0_CLK_CONN_EMMC0_CLK        0x06000041
> +                       IMX8DXL_EMMC0_CMD_CONN_EMMC0_CMD        0x00000021
> +                       IMX8DXL_EMMC0_DATA0_CONN_EMMC0_DATA0    0x00000021
> +                       IMX8DXL_EMMC0_DATA1_CONN_EMMC0_DATA1    0x00000021
> +                       IMX8DXL_EMMC0_DATA2_CONN_EMMC0_DATA2    0x00000021
> +                       IMX8DXL_EMMC0_DATA3_CONN_EMMC0_DATA3    0x00000021
> +                       IMX8DXL_EMMC0_DATA4_CONN_EMMC0_DATA4    0x00000021
> +                       IMX8DXL_EMMC0_DATA5_CONN_EMMC0_DATA5    0x00000021
> +                       IMX8DXL_EMMC0_DATA6_CONN_EMMC0_DATA6    0x00000021
> +                       IMX8DXL_EMMC0_DATA7_CONN_EMMC0_DATA7    0x00000021
> +                       IMX8DXL_EMMC0_STROBE_CONN_EMMC0_STROBE  0x00000041
> +               >;
> +       };
> +
> +       pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
> +               fsl,pins = <
> +                       IMX8DXL_EMMC0_CLK_CONN_EMMC0_CLK        0x06000041
> +                       IMX8DXL_EMMC0_CMD_CONN_EMMC0_CMD        0x00000021
> +                       IMX8DXL_EMMC0_DATA0_CONN_EMMC0_DATA0    0x00000021
> +                       IMX8DXL_EMMC0_DATA1_CONN_EMMC0_DATA1    0x00000021
> +                       IMX8DXL_EMMC0_DATA2_CONN_EMMC0_DATA2    0x00000021
> +                       IMX8DXL_EMMC0_DATA3_CONN_EMMC0_DATA3    0x00000021
> +                       IMX8DXL_EMMC0_DATA4_CONN_EMMC0_DATA4    0x00000021
> +                       IMX8DXL_EMMC0_DATA5_CONN_EMMC0_DATA5    0x00000021
> +                       IMX8DXL_EMMC0_DATA6_CONN_EMMC0_DATA6    0x00000021
> +                       IMX8DXL_EMMC0_DATA7_CONN_EMMC0_DATA7    0x00000021
> +                       IMX8DXL_EMMC0_STROBE_CONN_EMMC0_STROBE  0x00000041
> +               >;
> +       };
> +
> +       pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
> +               fsl,pins = <
> +                       IMX8DXL_EMMC0_CLK_CONN_EMMC0_CLK        0x06000041
> +                       IMX8DXL_EMMC0_CMD_CONN_EMMC0_CMD        0x00000021
> +                       IMX8DXL_EMMC0_DATA0_CONN_EMMC0_DATA0    0x00000021
> +                       IMX8DXL_EMMC0_DATA1_CONN_EMMC0_DATA1    0x00000021
> +                       IMX8DXL_EMMC0_DATA2_CONN_EMMC0_DATA2    0x00000021
> +                       IMX8DXL_EMMC0_DATA3_CONN_EMMC0_DATA3    0x00000021
> +                       IMX8DXL_EMMC0_DATA4_CONN_EMMC0_DATA4    0x00000021
> +                       IMX8DXL_EMMC0_DATA5_CONN_EMMC0_DATA5    0x00000021
> +                       IMX8DXL_EMMC0_DATA6_CONN_EMMC0_DATA6    0x00000021
> +                       IMX8DXL_EMMC0_DATA7_CONN_EMMC0_DATA7    0x00000021
> +                       IMX8DXL_EMMC0_STROBE_CONN_EMMC0_STROBE  0x00000041
> +               >;
> +       };
> +
> +       pinctrl_usdhc2_gpio: usdhc2gpiogrp {
> +               fsl,pins = <
> +                       IMX8DXL_ENET0_RGMII_TX_CTL_LSIO_GPIO4_IO30      0x00000040 /* RESET_B */
> +                       IMX8DXL_ENET0_RGMII_TXD1_LSIO_GPIO5_IO00        0x00000021 /* WP */
> +                       IMX8DXL_ENET0_RGMII_TXD2_LSIO_GPIO5_IO01        0x00000021 /* CD */
> +               >;
> +       };
> +
> +       pinctrl_usdhc2: usdhc2grp {
> +               fsl,pins = <
> +                       IMX8DXL_ENET0_RGMII_RXC_CONN_USDHC1_CLK         0x06000041
> +                       IMX8DXL_ENET0_RGMII_RX_CTL_CONN_USDHC1_CMD      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD0_CONN_USDHC1_DATA0      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD1_CONN_USDHC1_DATA1      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD2_CONN_USDHC1_DATA2      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD3_CONN_USDHC1_DATA3      0x00000021
> +                       IMX8DXL_ENET0_RGMII_TXD0_CONN_USDHC1_VSELECT    0x00000021
> +               >;
> +       };
> +
> +       pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> +               fsl,pins = <
> +                       IMX8DXL_ENET0_RGMII_RXC_CONN_USDHC1_CLK         0x06000041
> +                       IMX8DXL_ENET0_RGMII_RX_CTL_CONN_USDHC1_CMD      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD0_CONN_USDHC1_DATA0      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD1_CONN_USDHC1_DATA1      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD2_CONN_USDHC1_DATA2      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD3_CONN_USDHC1_DATA3      0x00000021
> +                       IMX8DXL_ENET0_RGMII_TXD0_CONN_USDHC1_VSELECT    0x00000021
> +               >;
> +       };
> +
> +       pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
> +               fsl,pins = <
> +                       IMX8DXL_ENET0_RGMII_RXC_CONN_USDHC1_CLK         0x06000041
> +                       IMX8DXL_ENET0_RGMII_RX_CTL_CONN_USDHC1_CMD      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD0_CONN_USDHC1_DATA0      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD1_CONN_USDHC1_DATA1      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD2_CONN_USDHC1_DATA2      0x00000021
> +                       IMX8DXL_ENET0_RGMII_RXD3_CONN_USDHC1_DATA3      0x00000021
> +                       IMX8DXL_ENET0_RGMII_TXD0_CONN_USDHC1_VSELECT    0x00000021
> +               >;
> +       };
> +};
> --
> 2.31.1
>
>
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