[PATCH v4 2/2] arm64: dts: imx93-var-som: Add Variscite VAR-SOM-MX93
Stefan Wahren
wahrenst at gmx.net
Thu Dec 28 12:46:08 PST 2023
Hi Mathieu,
Am 27.12.23 um 18:09 schrieb Mathieu Othacehe:
> Add DTSI for Variscite VAR-SOM-MX93 System on Module and DTS for Variscite
> VAR-SOM-MX93 on Symphony evaluation board.
>
> This version comes with:
> - NXP i.MX 93 Dual, 1.7GHz, Cortex-A55 + Cortex-M33
> - 2 GB of RAM
> - 16GB eMMC
> - 802.11ax/ac/a/b/g/n WiFi with 5.3 Bluetooth
> - CAN bus
> - Audio codec
>
> Reviewed-by: Fabio Estevam <festevam at gmail.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
> Signed-off-by: Mathieu Othacehe <othacehe at gnu.org>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../dts/freescale/imx93-var-som-symphony.dts | 303 ++++++++++++++++++
> .../boot/dts/freescale/imx93-var-som.dtsi | 111 +++++++
> 3 files changed, 415 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx93-var-som.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 2e027675d7bb..a6f1700961e3 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -203,6 +203,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx93-var-som-symphony.dtb
>
> imx8mm-venice-gw72xx-0x-imx219-dtbs := imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-imx219.dtbo
> imx8mm-venice-gw72xx-0x-rpidsi-dtbs := imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-rpidsi.dtbo
> diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
> new file mode 100644
> index 000000000000..3b7a01fb1b51
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
> @@ -0,0 +1,303 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2021 NXP
> + * Copyright 2023 Variscite Ltd.
> + */
> +
> +/dts-v1/;
> +
> +#include "imx93-var-som.dtsi"
> +
> +/{
> + model = "Variscite VAR-SOM-MX93 on Symphony evaluation board";
> + compatible = "variscite,var-som-mx93-symphony",
> + "variscite,var-som-mx93", "fsl,imx93";
> +
> + aliases {
> + ethernet0 = &eqos;
> + ethernet1 = &fec;
> + };
> +
> + chosen {
> + stdout-path = &lpuart1;
> + };
> +
> + /*
> + * Needed only for Symphony <= v1.5
> + */
> + reg_fec_phy: regulator-fec-phy {
> + compatible = "regulator-fixed";
> + regulator-name = "fec-phy";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-enable-ramp-delay = <20000>;
> + gpio = <&pca9534 7 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2 {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
> + regulator-name = "VSD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio2 18 GPIO_ACTIVE_HIGH>;
> + off-on-delay-us = <20000>;
> + enable-active-high;
> + };
> +
> + reg_vref_1v8: regulator-adc-vref {
> + compatible = "regulator-fixed";
> + regulator-name = "vref_1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + ethosu_mem: ethosu-region at 88000000 {
> + compatible = "shared-dma-pool";
> + reusable;
> + reg = <0x0 0x88000000 0x0 0x8000000>;
> + };
> +
> + vdev0vring0: vdev0vring0 at 87ee0000 {
> + reg = <0 0x87ee0000 0 0x8000>;
> + no-map;
> + };
> +
> + vdev0vring1: vdev0vring1 at 87ee8000 {
> + reg = <0 0x87ee8000 0 0x8000>;
> + no-map;
> + };
> +
> + vdev1vring0: vdev1vring0 at 87ef0000 {
> + reg = <0 0x87ef0000 0 0x8000>;
> + no-map;
> + };
> +
> + vdev1vring1: vdev1vring1 at 87ef8000 {
> + reg = <0 0x87ef8000 0 0x8000>;
> + no-map;
> + };
> +
> + rsc_table: rsc-table at 2021f000 {
> + reg = <0 0x2021f000 0 0x1000>;
> + no-map;
> + };
> +
> + vdevbuffer: vdevbuffer at 87f00000 {
> + compatible = "shared-dma-pool";
> + reg = <0 0x87f00000 0 0x100000>;
> + no-map;
> + };
> +
> + ele_reserved: ele-reserved at 87de0000 {
> + compatible = "shared-dma-pool";
> + reg = <0 0x87de0000 0 0x100000>;
> + no-map;
> + };
> + };
> +};
> +
> +/* Use external instead of internal RTC*/
> +&bbnsm_rtc {
> + status = "disabled";
> +};
> +
> +&eqos {
> + mdio {
> + ethphy1: ethernet-phy at 5 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <5>;
> + qca,disable-smarteee;
> + eee-broken-1000t;
> + reset-gpios = <&pca9534 5 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <10000>;
> + reset-deassert-us = <20000>;
> + vddio-supply = <&vddio1>;
> +
> + vddio1: vddio-regulator {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> + };
> + };
> +};
> +
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_fec>;
> + phy-mode = "rgmii";
> + phy-handle = <ðphy1>;
> + phy-supply = <®_fec_phy>;
> + status = "okay";
> +};
> +
> +&flexcan1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexcan1>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_fec: fecgrp {
> + fsl,pins = <
> + MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0 0x57e
> + MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1 0x57e
> + MX93_PAD_ENET2_RD2__ENET1_RGMII_RD2 0x57e
> + MX93_PAD_ENET2_RD3__ENET1_RGMII_RD3 0x57e
> + MX93_PAD_ENET2_RXC__ENET1_RGMII_RXC 0x5fe
> + MX93_PAD_ENET2_RX_CTL__ENET1_RGMII_RX_CTL 0x57e
> + MX93_PAD_ENET2_TD0__ENET1_RGMII_TD0 0x57e
> + MX93_PAD_ENET2_TD1__ENET1_RGMII_TD1 0x57e
> + MX93_PAD_ENET2_TD2__ENET1_RGMII_TD2 0x57e
> + MX93_PAD_ENET2_TD3__ENET1_RGMII_TD3 0x57e
> + MX93_PAD_ENET2_TXC__ENET1_RGMII_TXC 0x5fe
> + MX93_PAD_ENET2_TX_CTL__ENET1_RGMII_TX_CTL 0x57e
> + >;
> + };
> +
> + pinctrl_flexcan1: flexcan1grp {
> + fsl,pins = <
> + MX93_PAD_PDM_CLK__CAN1_TX 0x139e
> + MX93_PAD_PDM_BIT_STREAM0__CAN1_RX 0x139e
> + >;
> + };
> +
> + pinctrl_lpi2c1: lpi2c1grp {
> + fsl,pins = <
> + MX93_PAD_I2C1_SCL__LPI2C1_SCL 0x40000b9e
> + MX93_PAD_I2C1_SDA__LPI2C1_SDA 0x40000b9e
> + >;
> + };
> +
> + pinctrl_lpi2c1_gpio: lpi2c1gpiogrp {
> + fsl,pins = <
> + MX93_PAD_I2C1_SCL__GPIO1_IO00 0x31e
> + MX93_PAD_I2C1_SDA__GPIO1_IO01 0x31e
> + >;
> + };
> +
> + pinctrl_lpi2c5: lpi2c5grp {
> + fsl,pins = <
> + MX93_PAD_GPIO_IO23__LPI2C5_SCL 0x40000b9e
> + MX93_PAD_GPIO_IO22__LPI2C5_SDA 0x40000b9e
> + >;
> + };
> +
> + pinctrl_lpi2c5_gpio: lpi2c5gpiogrp {
> + fsl,pins = <
> + MX93_PAD_GPIO_IO23__GPIO2_IO23 0x31e
> + MX93_PAD_GPIO_IO22__GPIO2_IO22 0x31e
> + >;
> + };
> +
> + pinctrl_pca9534: pca9534grp {
> + fsl,pins = <
> + MX93_PAD_CCM_CLKO1__GPIO3_IO26 0x31e
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX93_PAD_UART1_RXD__LPUART1_RX 0x31e
> + MX93_PAD_UART1_TXD__LPUART1_TX 0x31e
> + >;
> + };
> +
> + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
> + fsl,pins = <
> + MX93_PAD_GPIO_IO18__GPIO2_IO18 0x31e
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX93_PAD_SD2_CLK__USDHC2_CLK 0x15fe
> + MX93_PAD_SD2_CMD__USDHC2_CMD 0x13fe
> + MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x13fe
> + MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x13fe
> + MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x13fe
> + MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x13fe
> + MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
> + >;
> + };
> +
> + pinctrl_usdhc2_gpio: usdhc2gpiogrp {
> + fsl,pins = <
> + MX93_PAD_SD2_CD_B__GPIO3_IO00 0x31e
> + >;
> + };
> +};
> +
> +&lpi2c1 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default", "sleep", "gpio";
> + pinctrl-0 = <&pinctrl_lpi2c1>;
> + pinctrl-1 = <&pinctrl_lpi2c1_gpio>;
> + pinctrl-2 = <&pinctrl_lpi2c1_gpio>;
> + scl-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
> + sda-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> +
> + /* DS1337 RTC module */
> + rtc at 68 {
> + compatible = "dallas,ds1337";
> + reg = <0x68>;
> + };
> +};
> +
> +&lpi2c5 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default", "sleep", "gpio";
> + pinctrl-0 = <&pinctrl_lpi2c5>;
> + pinctrl-1 = <&pinctrl_lpi2c5_gpio>;
> + pinctrl-2 = <&pinctrl_lpi2c5_gpio>;
> + scl-gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
> + sda-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> +
> + pca9534: gpio at 20 {
> + compatible = "nxp,pca9534";
> + reg = <0x20>;
> + gpio-controller;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pca9534>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
> + #gpio-cells = <2>;
> + wakeup-source;
> + };
there are neither gpio-line-names defined for this GPIO expander nor the
SOC. Are there no GPIOs which can be accessed from userspace?
Best regards
More information about the linux-arm-kernel
mailing list