Re: [PATCH v5 2/2] arm64: dts: imx93-var-som: Add Variscite VAR-SOM-MX93
From: Stefan Wahren
Date: Wed Jan 03 2024 - 11:15:51 EST
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@xxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Mathieu Othacehe <othacehe@xxxxxxx>
---
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@88000000 {
+ compatible = "shared-dma-pool";
+ reusable;
+ reg = <0x0 0x88000000 0x0 0x8000000>;
+ };
+
+ vdev0vring0: vdev0vring0@87ee0000 {
+ reg = <0 0x87ee0000 0 0x8000>;
+ no-map;
+ };
+
+ vdev0vring1: vdev0vring1@87ee8000 {
+ reg = <0 0x87ee8000 0 0x8000>;
+ no-map;
+ };
+
+ vdev1vring0: vdev1vring0@87ef0000 {
+ reg = <0 0x87ef0000 0 0x8000>;
+ no-map;
+ };
+
+ vdev1vring1: vdev1vring1@87ef8000 {
+ reg = <0 0x87ef8000 0 0x8000>;
+ no-map;
+ };
+
+ rsc_table: rsc-table@2021f000 {
+ reg = <0 0x2021f000 0 0x1000>;
+ no-map;
+ };
+
+ vdevbuffer: vdevbuffer@87f00000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x87f00000 0 0x100000>;
+ no-map;
+ };
+
+ ele_reserved: ele-reserved@87de0000 {
+ 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";
+ };
+ };
+};
+