Re: [PATCH v2 3/3] arm64: dts: imx93: Add Engicam i.Core MX93 EDIMM 2.0 Starter Kit

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Hi Fabio

On Thu, Apr 18, 2024 at 3:43 PM Fabio Aiuto <fabio.aiuto@xxxxxxxxxxx> wrote:
>
> i.Core MX93 is a NXP i.MX93 based SoM by Enigcam which
> needs to be mounted on top of Engicam baseboards.
>
> Add support for EDIMM 2.0 Starter Kit hosting
> i.Core MX93.
>
> Starter Kit main features:
>
> 2x LVDS interfaces
> HDMI output
> Audio out
> Mic in
> Micro SD card slot
> USB 3.0 A port
> 3x USB 2.0 A port
> Gb Ethernet
> 2x CAN bus, 3x UART interfaces
> SIM card slot
> M.2 KEY_B slot
>
> Cc: Matteo Lisi <matteo.lisi@xxxxxxxxxxx>
> Cc: Mirko Ardinghi <mirko.ardinghi@xxxxxxxxxxx>
> Signed-off-by: Fabio Aiuto <fabio.aiuto@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../dts/freescale/imx93-icore-mx93-edimm2.dts | 354 ++++++++++++++++++
>  2 files changed, 355 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 045250d0a040..d26c0a458a44 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -226,6 +226,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx93-icore-mx93-edimm2.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts b/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
> new file mode 100644
> index 000000000000..8d57374eebdf
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
> @@ -0,0 +1,354 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2022 NXP
> + * Copyright 2024 Engicam s.r.l.
> + */
> +
> +/dts-v1/;
> +
> +#include "imx93-icore-mx93.dtsi"
> +
> +/ {
> +       model = "Engicam i.Core MX93 - EDIMM 2 Starterkit";
> +       compatible = "engicam,icore-mx93-edimm2", "engicam,icore-mx93",
> +                    "fsl,imx93";
> +
> +       aliases {
> +               rtc1 = &bbnsm_rtc;
> +       };
> +
> +       bt_reg_on: regulator-btregon {
> +               compatible = "regulator-gpio";
> +               regulator-name = "BT_REG_ON";
> +               pinctrl-names = "default";
> +               regulator-min-microvolt = <100000>;
> +               regulator-max-microvolt = <3300000>;
> +               states = <3300000 0x1>, <100000 0x0>;
> +               gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> +               regulator-always-on;
> +       };
> +

Are you sure about regulator always on? I have seen that you broadcom
wifi and bluetooth connected. Same comment for the other
patches where you have almost all the regulator boot on , always on. I
can not be sure that is really true

Please take a look here
arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi

Michael

> +       chosen {
> +               stdout-path = &lpuart1;
> +       };
> +
> +       reg_1v8_sgtl: regulator-1v8-sgtl {
> +               compatible = "regulator-fixed";
> +               regulator-name = "1v8_sgtl";
> +               regulator-min-microvolt = <1800000>;
> +               regulator-max-microvolt = <1800000>;
> +               always-on;
> +       };
> +
> +       reg_3v3_avdd_sgtl: regulator-3v3-avdd-sgtl {
> +               compatible = "regulator-fixed";
> +               regulator-name = "3v3_avdd_sgtl";
> +               regulator-min-microvolt = <3300000>;
> +               regulator-max-microvolt = <3300000>;
> +               always-on;
> +       };
> +
> +       reg_3v3_sgtl: regulator-3v3-sgtl {
> +               compatible = "regulator-fixed";
> +               regulator-name = "3v3_sgtl";
> +               regulator-min-microvolt = <3300000>;
> +               regulator-max-microvolt = <3300000>;
> +               always-on;
> +       };
> +
> +       reserved-memory {
> +               #address-cells = <2>;
> +               #size-cells = <2>;
> +               ranges;
> +
> +               linux,cma {
> +                       compatible = "shared-dma-pool";
> +                       reusable;
> +                       alloc-ranges = <0 0x80000000 0 0x40000000>;
> +                       size = <0 0x10000000>;
> +                       linux,cma-default;
> +               };
> +
> +               rsc_table: rsc-table@2021f000 {
> +                       reg = <0 0x2021f000 0 0x1000>;
> +                       no-map;
> +               };
> +
> +               vdevbuffer: vdevbuffer@a4020000 {
> +                       compatible = "shared-dma-pool";
> +                       reg = <0 0xa4020000 0 0x100000>;
> +                       no-map;
> +               };
> +
> +               vdev0vring0: vdev0vring0@a4000000 {
> +                       reg = <0 0xa4000000 0 0x8000>;
> +                       no-map;
> +               };
> +
> +               vdev0vring1: vdev0vring1@a4008000 {
> +                       reg = <0 0xa4008000 0 0x8000>;
> +                       no-map;
> +               };
> +
> +               vdev1vring0: vdev1vring0@a4000000 {
> +                       reg = <0 0xa4010000 0 0x8000>;
> +                       no-map;
> +               };
> +
> +               vdev1vring1: vdev1vring1@a4018000 {
> +                       reg = <0 0xa4018000 0 0x8000>;
> +                       no-map;
> +               };
> +       };
> +
> +       sound {
> +               compatible = "simple-audio-card";
> +               simple-audio-card,name = "imx93-sgtl5000";
> +               simple-audio-card,format = "i2s";
> +               simple-audio-card,bitclock-master = <&dailink_master>;
> +               simple-audio-card,frame-master = <&dailink_master>;
> +               /*simple-audio-card,mclk-fs = <1>;*/
> +               simple-audio-card,cpu {
> +                       sound-dai = <&sai3>;
> +               };
> +
> +               dailink_master: simple-audio-card,codec {
> +                       sound-dai = <&sgtl5000>;
> +                       clocks = <&clk IMX93_CLK_SAI3_IPG>;
> +               };
> +       };
> +
> +       usdhc3_pwrseq: usdhc3-pwrseq {
> +               compatible = "mmc-pwrseq-simple";
> +       };
> +
> +       wl_reg_on: regulator-wlregon {
> +               compatible = "regulator-gpio";
> +               pinctrl-names = "default";
> +               regulator-name = "WL_REG_ON";
> +               regulator-min-microvolt = <100000>;
> +               regulator-max-microvolt = <3300000>;
> +               states = <3300000 0x1>,
> +                                <100000 0x0>;
> +               gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
> +               enable-active-high;
> +               vin-supply = <&bt_reg_on>;
> +       };
> +};
> +
> +&cm33 {
> +       mbox-names = "tx", "rx", "rxdb";
> +       mboxes = <&mu1 0 1>,
> +                <&mu1 1 1>,
> +                <&mu1 3 1>;
> +       memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,
> +                       <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;
> +       status = "okay";
> +};
> +
> +&flexcan1 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_flexcan1>;
> +       fsl,stop-mode = <&aonmix_ns_gpr 0x10 4>;
> +       status = "okay";
> +};
> +
> +&flexcan2 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_flexcan2>;
> +       fsl,stop-mode = <&aonmix_ns_gpr 0x10 4>;
> +       status = "okay";
> +};
> +
> +&lpi2c1 {
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +       clock-frequency = <400000>;
> +       pinctrl-names = "default", "sleep";
> +       pinctrl-0 = <&pinctrl_lpi2c1>;
> +       pinctrl-1 = <&pinctrl_lpi2c1>;
> +       status = "okay";
> +
> +       pcf8523: rtc@68 {
> +               compatible = "nxp,pcf8523";
> +               reg = <0x68>;
> +       };
> +
> +       sgtl5000: codec@a {
> +               compatible = "fsl,sgtl5000";
> +               status = "okay";
> +               #sound-dai-cells = <0>;
> +               reg = <0x0a>;
> +               clocks = <&clk IMX93_CLK_SAI3_GATE>;
> +               clock-names = "mclk";
> +               assigned-clock-rates = <12000000>, <12000000>;
> +               VDDA-supply = <&reg_3v3_avdd_sgtl>;
> +               VDDIO-supply = <&reg_3v3_sgtl>;
> +               VDDD-supply = <&reg_1v8_sgtl>;
> +       };
> +};
> +
> +&lpuart1 { /* console */
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_uart1>;
> +       status = "okay";
> +};
> +
> +&lpuart5 { /* RS485 */
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_uart5>;
> +       status = "okay";
> +};
> +
> +&lpuart8 { /* RS232 */
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_uart8>;
> +       status = "okay";
> +};
> +
> +&micfil {
> +       #sound-dai-cells = <0>;
> +       pinctrl-names = "default";
> +       assigned-clocks = <&clk IMX93_CLK_PDM>;
> +       assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
> +       assigned-clock-rates = <196608000>;
> +       status = "okay";
> +};
> +
> +&mu1 {
> +       status = "okay";
> +};
> +
> +&mu2 {
> +       status = "okay";
> +};
> +
> +&sai1 {
> +       #sound-dai-cells = <0>;
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_sai1>;
> +       assigned-clocks = <&clk IMX93_CLK_SAI1>;
> +       assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
> +       assigned-clock-rates = <12288000>;
> +       status = "okay";
> +};
> +
> +&sai3 {
> +       pinctrl-names = "default";
> +       #sound-dai-cells = <0>;
> +       pinctrl-0 = <&pinctrl_sai3>;
> +       assigned-clocks = <&clk IMX93_CLK_SAI3>;
> +       assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
> +       assigned-clock-rates = <24576000>;
> +       fsl,sai-mclk-direction-output;
> +       status = "okay";
> +};
> +
> +&usdhc3 { /* WiFi */
> +       pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +       pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_laird>;
> +       pinctrl-1 = <&pinctrl_usdhc3>, <&pinctrl_laird>;
> +       pinctrl-2 = <&pinctrl_usdhc3>, <&pinctrl_laird>;
> +       vmmc-supply = <&wl_reg_on>;
> +       bus-width = <4>;
> +       no-1-8-v;
> +       non-removable;
> +       max-frequency = <25000000>;
> +       status = "okay";
> +
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +
> +       brcmf: bcrmf@1 {
> +               reg = <1>;
> +               compatible = "brcm,bcm4329-fmac";
> +       };
> +};
> +
> +&wdog3 {
> +       status = "okay";
> +};
> +
> +&iomuxc {
> +
> +       pinctrl_flexcan1: flexcan1grp {
> +               fsl,pins = <
> +                       MX93_PAD_PDM_CLK__CAN1_TX               0x139e
> +                       MX93_PAD_PDM_BIT_STREAM0__CAN1_RX       0x139e
> +               >;
> +       };
> +
> +       pinctrl_flexcan2: flexcan2grp {
> +               fsl,pins = <
> +                       MX93_PAD_GPIO_IO25__CAN2_TX     0x139e
> +                       MX93_PAD_GPIO_IO27__CAN2_RX     0x139e
> +               >;
> +       };
> +
> +       pinctrl_laird: lairdgrp {
> +               fsl,pins = <
> +                       MX93_PAD_GPIO_IO22__GPIO2_IO22          0x31e // WL_REG_ON
> +                       MX93_PAD_GPIO_IO19__GPIO2_IO19          0x31e // BT_REG_ON
> +               >;
> +       };
> +
> +       pinctrl_lpi2c1: lpi2c1grp {
> +               fsl,pins = <
> +                       MX93_PAD_I2C1_SCL__LPI2C1_SCL           0x40000b9e
> +                       MX93_PAD_I2C1_SDA__LPI2C1_SDA           0x40000b9e
> +               >;
> +       };
> +
> +       pinctrl_sai1: sai1grp {
> +               fsl,pins = <
> +                       MX93_PAD_SAI1_TXC__SAI1_TX_BCLK         0x31e
> +                       MX93_PAD_SAI1_TXFS__SAI1_TX_SYNC        0x31e
> +                       MX93_PAD_SAI1_TXD0__SAI1_TX_DATA00      0x31e
> +                       MX93_PAD_SAI1_RXD0__SAI1_RX_DATA00      0x31e
> +               >;
> +       };
> +
> +       pinctrl_sai3: sai3grp {
> +               fsl,pins = <
> +                       MX93_PAD_GPIO_IO26__SAI3_TX_SYNC        0x31e
> +                       MX93_PAD_GPIO_IO16__SAI3_TX_BCLK        0x31e
> +                       MX93_PAD_GPIO_IO17__SAI3_MCLK           0x31e
> +                       MX93_PAD_GPIO_IO21__SAI3_TX_DATA00      0x31e
> +                       MX93_PAD_GPIO_IO20__SAI3_RX_DATA00      0x31e
> +               >;
> +       };
> +
> +       pinctrl_uart1: uart1grp {
> +               fsl,pins = <
> +                       MX93_PAD_UART1_RXD__LPUART1_RX          0x31e
> +                       MX93_PAD_UART1_TXD__LPUART1_TX          0x31e
> +               >;
> +       };
> +
> +       pinctrl_uart5: uart5grp {
> +               fsl,pins = <
> +                       MX93_PAD_GPIO_IO01__LPUART5_RX          0x31e
> +                       MX93_PAD_GPIO_IO00__LPUART5_TX          0x31e
> +                       MX93_PAD_GPIO_IO02__LPUART5_CTS_B       0x31e
> +                       MX93_PAD_GPIO_IO03__LPUART5_RTS_B       0x31e
> +               >;
> +       };
> +
> +       pinctrl_uart8: uart8grp {
> +               fsl,pins = <
> +                       MX93_PAD_GPIO_IO13__LPUART8_RX          0x31e
> +                       MX93_PAD_GPIO_IO12__LPUART8_TX          0x31e
> +               >;
> +       };
> +
> +       pinctrl_usdhc3: usdhc3grp {
> +               fsl,pins = <
> +                       MX93_PAD_SD3_CLK__USDHC3_CLK            0x17fe
> +                       MX93_PAD_SD3_CMD__USDHC3_CMD            0x13fe
> +                       MX93_PAD_SD3_DATA0__USDHC3_DATA0        0x13fe
> +                       MX93_PAD_SD3_DATA1__USDHC3_DATA1        0x13fe
> +                       MX93_PAD_SD3_DATA2__USDHC3_DATA2        0x13fe
> +                       MX93_PAD_SD3_DATA3__USDHC3_DATA3        0x13fe
> +               >;
> +       };
> +};
> --
> 2.34.1
>
>


-- 
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael@xxxxxxxxxxxxxxxxxxxx
__________________________________

Amarula Solutions BV
Joop Geesinkweg 125, 1114 AB, Amsterdam, NL
T. +31 (0)85 111 9172
info@xxxxxxxxxxxxxxxxxxxx
www.amarulasolutions.com





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