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Message-ID: <2a2dda53-754b-4aa4-8457-9fc37310c267@gmx.net>
Date: Wed, 3 Jan 2024 17:15:13 +0100
From: Stefan Wahren <wahrenst@....net>
To: Mathieu Othacehe <othacehe@....org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Li Yang <leoyang.li@....com>, Fabio Estevam <festevam@...il.com>,
Sascha Hauer <s.hauer@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
NXP Linux Team <linux-imx@....com>
Subject: Re: [PATCH v5 2/2] arm64: dts: imx93-var-som: Add Variscite
VAR-SOM-MX93
Hi Mathieu,
Am 03.01.24 um 15:36 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@...il.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Mathieu Othacehe <othacehe@....org>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../dts/freescale/imx93-var-som-symphony.dts | 352 ++++++++++++++++++
> .../boot/dts/freescale/imx93-var-som.dtsi | 111 ++++++
> 3 files changed, 464 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..963fa1a6d09c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
> @@ -0,0 +1,352 @@
> +// 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@...00000 {
> + compatible = "shared-dma-pool";
> + reusable;
> + reg = <0x0 0x88000000 0x0 0x8000000>;
> + };
> +
> + vdev0vring0: vdev0vring0@...e0000 {
> + reg = <0 0x87ee0000 0 0x8000>;
> + no-map;
> + };
> +
> + vdev0vring1: vdev0vring1@...e8000 {
> + reg = <0 0x87ee8000 0 0x8000>;
> + no-map;
> + };
> +
> + vdev1vring0: vdev1vring0@...f0000 {
> + reg = <0 0x87ef0000 0 0x8000>;
> + no-map;
> + };
> +
> + vdev1vring1: vdev1vring1@...f8000 {
> + reg = <0 0x87ef8000 0 0x8000>;
> + no-map;
> + };
> +
> + rsc_table: rsc-table@...1f000 {
> + reg = <0 0x2021f000 0 0x1000>;
> + no-map;
> + };
> +
> + vdevbuffer: vdevbuffer@...00000 {
> + compatible = "shared-dma-pool";
> + reg = <0 0x87f00000 0 0x100000>;
> + no-map;
> + };
> +
> + ele_reserved: ele-reserved@...e0000 {
> + compatible = "shared-dma-pool";
> + reg = <0 0x87de0000 0 0x100000>;
> + no-map;
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + key-back {
> + label = "Back";
> + gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_BACK>;
> + };
> +
> + key-home {
> + label = "Home";
> + gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_HOME>;
> + };
> +
> + key-menu {
> + label = "Menu";
> + gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_MENU>;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + status = "okay";
> +
> + heartbeat {
Please use a node name, which describe the hardware in general like "led".
> + label = "Heartbeat";
The label property is deprecated, please use function and color instead:
https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/leds/common.yaml
Best regards
> + gpios = <&pca9534 0 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +};
> +
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