From patchwork Wed Nov 1 18:21:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugo Villeneuve X-Patchwork-Id: 740199 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9AE1F18E20 for ; Wed, 1 Nov 2023 18:22:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=hugovil.com header.i=@hugovil.com header.b="Oik8UNsQ" Received: from mail.hugovil.com (mail.hugovil.com [162.243.120.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CEA5E8; Wed, 1 Nov 2023 11:22:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hugovil.com ; s=x; h=Subject:Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Cc:To :From:subject:date:message-id:reply-to; bh=9u54Yn6nSCEARJYG9pzUL+cke7Zoh4Fsgw4yDQvHb54=; b=Oik8UNsQNA6qsFR5PYxFYuPVfR 2xhZ2TuGwOda8weGC+Na6qFJw1h9XoINpYy7wYMPXTYSdYd2uczr0qkBb7Q2Vktr2xQ9EuQs2VXCx gvzAZJEUCZtdVMR2W3fDXacbGMbFo2jFhQ2mbaM/j8aylwgj5beD8WpZm398LIkDcH6c=; Received: from modemcable168.174-80-70.mc.videotron.ca ([70.80.174.168]:57364 helo=pettiford.lan) by mail.hugovil.com with esmtpa (Exim 4.92) (envelope-from ) id 1qyFqo-0000rC-MK; Wed, 01 Nov 2023 14:22:03 -0400 From: Hugo Villeneuve To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, hvilleneuve@dimonoff.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, leoyang.li@nxp.com, robh@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, hugo@hugovil.com Date: Wed, 1 Nov 2023 14:21:40 -0400 Message-Id: <20231101182140.2891578-4-hugo@hugovil.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231101182140.2891578-1-hugo@hugovil.com> References: <20231101182140.2891578-1-hugo@hugovil.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SA-Exim-Connect-IP: 70.80.174.168 X-SA-Exim-Mail-From: hugo@hugovil.com X-Spam-Level: Subject: [PATCH 3/3] arm64: dts: freescale: introduce rve-gateway board X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.hugovil.com) From: Hugo Villeneuve The RVE gateway board is based on a Variscite VAR-SOM-NANO, with a NXP MX8MN nano CPU. Signed-off-by: Hugo Villeneuve --- MAINTAINERS | 7 + arch/arm64/boot/dts/freescale/Makefile | 1 + .../boot/dts/freescale/imx8mn-rve-gateway.dts | 284 ++++++++++++++++++ 3 files changed, 292 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-rve-gateway.dts diff --git a/MAINTAINERS b/MAINTAINERS index 43c5ed3c4508..9423b1bf35fc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18778,6 +18778,13 @@ F: samples/rust/ F: scripts/*rust* K: \b(?i:rust)\b +RVE BOARD SUPPORT +M: Hugo Villeneuve +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Supported +W: https://rve.ca +F: arch/arm64/boot/dts/freescale/imx*rve-*.dts* + RXRPC SOCKETS (AF_RXRPC) M: David Howells M: Marc Dionne diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 89aee6c92576..760a0ca7adc3 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -89,6 +89,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-bsh-smm-s2pro.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr3l-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mn-rve-gateway.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mn-rve-gateway.dts b/arch/arm64/boot/dts/freescale/imx8mn-rve-gateway.dts new file mode 100644 index 000000000000..312718982a52 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mn-rve-gateway.dts @@ -0,0 +1,284 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2023 DimOnOff + */ + +/dts-v1/; + +#include +#include "imx8mn-var-som.dtsi" + +/ { + model = "RVE gateway"; + compatible = "rve,rve-gateway", "fsl,imx8mn"; + + crystal_duart_24m: crystal-duart-24m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + }; + + gpio-keys { + compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpio_keys>; + status = "okay"; + + key-enter { + label = "enter"; + gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + linux,code = ; + }; + + key-exit { + label = "exit"; + gpios = <&gpio3 23 GPIO_ACTIVE_LOW>; + linux,code = ; + }; + }; + + lcd { + compatible = "hit,hd44780"; + display-height-chars = <2>; + display-width-chars = <20>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lcd>; + data-gpios = + <&gpio5 1 GPIO_ACTIVE_HIGH>, + <&gpio1 6 GPIO_ACTIVE_HIGH>, + <&gpio1 14 GPIO_ACTIVE_HIGH>, + <&gpio4 28 GPIO_ACTIVE_HIGH>, + <&gpio5 24 GPIO_ACTIVE_HIGH>, + <&gpio5 2 GPIO_ACTIVE_HIGH>, + <&gpio1 12 GPIO_ACTIVE_HIGH>, + <&gpio5 25 GPIO_ACTIVE_HIGH>; + enable-gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; + rs-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>; + rw-gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>; + }; + + reg_3p3v: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + rotary: rotary-encoder { /* Bourns PEC12R rotary encoder, 24 steps. */ + compatible = "rotary-encoder"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rotary>; + gpios = + <&gpio1 5 GPIO_ACTIVE_LOW>, /* A */ + <&gpio3 21 GPIO_ACTIVE_LOW>; /* B */ + linux,axis = <0>; /* REL_X */ + rotary-encoder,encoding = "gray"; + rotary-encoder,relative-axis; + }; +}; + +&ecspi1 { + cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>; + + duart1: serial@0 { + compatible = "nxp,sc16is752"; + reg = <0>; + spi-rx-bus-width = <1>; + spi-tx-bus-width = <1>; + spi-max-frequency = <4000000>; + clocks = <&crystal_duart_24m>; + interrupt-parent = <&gpio3>; + interrupts = <22 IRQ_TYPE_EDGE_FALLING>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "RADIO0", "RADIO1", "RADIO2", "RADIO3", + "RADIO4", "RADIO_RESET", "TP12", "TP11"; + linux,rs485-enabled-at-boot-time; + rs485-rts-active-low; + }; + + /delete-node/ touchscreen@0; +}; + +&ecspi2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi2>; + cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>; + /delete-property/ dmas; + /delete-property/ dma-names; + status = "okay"; + + duart2: serial@0 { + compatible = "nxp,sc16is752"; + reg = <0>; + spi-rx-bus-width = <1>; + spi-tx-bus-width = <1>; + spi-max-frequency = <4000000>; + clocks = <&crystal_duart_24m>; + interrupt-parent = <&gpio3>; + interrupts = <20 IRQ_TYPE_EDGE_FALLING>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "LED_B_USER", "LED_R_USER", "LED_G_USER", + "GPIO_EXT3", "GPIO_EXT2", "GPIO_EXT1", "GPIO_EXT0", "TP13"; + linux,rs485-enabled-at-boot-time; + rs485-rts-active-low; + }; +}; + +/* Configure PWM pins in GPIO mode: */ +&gpio5 { + gpio-line-names = "", "", "", "PWM3", "PWM2", "PWM1"; +}; + +&gpu { + status = "disabled"; +}; + +&i2c2 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; + status = "okay"; + + eeprom_cb: eeprom@56 { /* Carrier board EEPROM */ + compatible = "atmel,24c04"; + reg = <0x56>; + pagesize = <16>; + vcc-supply = <®_3p3v>; + }; + + lm75: sensor@48 { + compatible = "st,stlm75"; + reg = <0x48>; + vs-supply = <®_3p3v>; + }; + + mcp7940: rtc@6f { + compatible = "microchip,mcp7940x"; + reg = <0x6f>; + }; +}; + +&i2c3 { + codec@1a { + status = "disabled"; + }; +}; + +&i2c4 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c4>; + status = "okay"; + + pcf8574_1: gpio@38 { + status = "okay"; + compatible = "nxp,pcf8574"; + reg = <0x38>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "LED_B_COMM3", "LED_R_COMM3", "LED_G_COMM3", + "TP14", "TP15", "LED_G_COMM4", "LED_R_COMM4", "LED_B_COMM4"; + }; + + pcf8574_2: gpio@39 { + status = "okay"; + compatible = "nxp,pcf8574"; + reg = <0x39>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "LED_B_COMM2", "LED_G_COMM2", "LED_B_COMM1", + "LED_R_COMM2", "LED_R_COMM1", "LED_G_COMM1", "TP16", "TP17"; + }; +}; + +&uart2 { + /delete-node/ bluetooth; +}; + +&usbotg1 { + dr_mode = "host"; + disable-over-current; + status = "okay"; +}; + +/* SD interface on expansion connector. */ +&usdhc2 { + /delete-property/vmmc-supply; + cd-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; +}; + +&iomuxc { + pinctrl_ecspi1: ecspi1grp { + fsl,pins = < + MX8MN_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK 0x13 + MX8MN_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI 0x13 + MX8MN_IOMUXC_ECSPI1_MISO_ECSPI1_MISO 0x13 + MX8MN_IOMUXC_ECSPI1_SS0_GPIO5_IO9 0x13 /* SS0 */ + MX8MN_IOMUXC_SAI5_RXD1_GPIO3_IO22 0x13 /* SC16 IRQ */ + >; + }; + + pinctrl_ecspi2: ecspi2grp { + fsl,pins = < + MX8MN_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK 0x13 + MX8MN_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI 0x13 + MX8MN_IOMUXC_ECSPI2_MISO_ECSPI2_MISO 0x13 + MX8MN_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x13 /* SS0 */ + MX8MN_IOMUXC_SAI5_RXC_GPIO3_IO20 0x13 /* SC16 IRQ */ + >; + }; + + pinctrl_gpio_keys: gpiokeysgrp { + fsl,pins = < + MX8MN_IOMUXC_GPIO1_IO01_GPIO1_IO1 0xc6 /* Enter */ + MX8MN_IOMUXC_SAI5_RXD2_GPIO3_IO23 0xc6 /* Exit */ + >; + }; + + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3 + MX8MN_IOMUXC_I2C2_SDA_I2C2_SDA 0x400001c3 + >; + }; + + pinctrl_i2c4: i2c4grp { + fsl,pins = < + MX8MN_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3 + MX8MN_IOMUXC_I2C4_SDA_I2C4_SDA 0x400001c3 + >; + }; + + pinctrl_lcd: lcdgrp { + fsl,pins = < + MX8MN_IOMUXC_SAI3_TXD_GPIO5_IO1 0x00000156 /* D0 */ + MX8MN_IOMUXC_GPIO1_IO06_GPIO1_IO6 0x00000156 /* D1 */ + MX8MN_IOMUXC_GPIO1_IO14_GPIO1_IO14 0x00000156 /* D2 */ + MX8MN_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x00000156 /* D3 */ + MX8MN_IOMUXC_UART2_RXD_GPIO5_IO24 0x00000156 /* D4 */ + MX8MN_IOMUXC_SAI3_MCLK_GPIO5_IO2 0x00000156 /* D5 */ + MX8MN_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x00000156 /* D6 */ + MX8MN_IOMUXC_UART2_TXD_GPIO5_IO25 0x00000156 /* D7 */ + MX8MN_IOMUXC_UART1_TXD_GPIO5_IO23 0x00000156 /* E */ + MX8MN_IOMUXC_GPIO1_IO07_GPIO1_IO7 0x00000156 /* RS */ + MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x00000156 /* R/W */ + >; + }; + + pinctrl_rotary: rotarygrp { + fsl,pins = < + MX8MN_IOMUXC_GPIO1_IO05_GPIO1_IO5 0x00000156 /* A */ + MX8MN_IOMUXC_SAI5_RXD0_GPIO3_IO21 0x00000156 /* B */ + >; + }; + + /* Override Card Detect function GPIO value (GPIO1_IO10) from SOM: */ + pinctrl_usdhc2_gpio: usdhc2gpiogrp { + fsl,pins = < + MX8MN_IOMUXC_GPIO1_IO13_GPIO1_IO13 0x41 + >; + }; +};