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Wed, 21 May 2025 02:28:30 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, michael@amarulasolutions.com, Dario Binacchi , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/3] ARM: dts: imx28: add pwm7 muxing options Date: Wed, 21 May 2025 11:28:20 +0200 Message-ID: <20250521092826.1035448-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250521092826.1035448-1-dario.binacchi@amarulasolutions.com> References: <20250521092826.1035448-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=QuCQufx5; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com; dara=pass header.i=@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Signed-off-by: Dario Binacchi --- arch/arm/boot/dts/nxp/mxs/imx28.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/nxp/mxs/imx28.dtsi b/arch/arm/boot/dts/nxp/mxs/imx28.dtsi index bbea8b77386f..ece46d0e7c7f 100644 --- a/arch/arm/boot/dts/nxp/mxs/imx28.dtsi +++ b/arch/arm/boot/dts/nxp/mxs/imx28.dtsi @@ -755,6 +755,16 @@ MX28_PAD_PWM4__PWM_4 fsl,pull-up = ; }; + pwm7_pins_a: pwm7@0 { + reg = <0>; + fsl,pinmux-ids = < + MX28_PAD_SAIF1_SDATA0__PWM_7 + >; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; + lcdif_24bit_pins_a: lcdif-24bit@0 { reg = <0>; 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Wed, 21 May 2025 02:28:32 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, michael@amarulasolutions.com, Dario Binacchi , Alexander Stein , Conor Dooley , Fabio Estevam , Francesco Dolcini , Frieder Schrempf , Heiko Schocher , Krzysztof Kozlowski , Marek Vasut , Max Merchel , Michael Walle , Peng Fan , Rob Herring , Shawn Guo , Tim Harvey , devicetree@vger.kernel.org Subject: [PATCH 2/3] dt-bindings: arm: fsl: add i.MX28 Amarula rmm board Date: Wed, 21 May 2025 11:28:21 +0200 Message-ID: <20250521092826.1035448-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250521092826.1035448-1-dario.binacchi@amarulasolutions.com> References: <20250521092826.1035448-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=au+UDxSZ; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com; dara=pass header.i=@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , The board includes the following resources: - 256 Mbytes NAND Flash - 256 Mbytes SRAM - LCD-TFT controller - CAN - USB 2.0 high-speed/full-speed - Ethernet MAC Signed-off-by: Dario Binacchi --- Documentation/devicetree/bindings/arm/fsl.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml index 1b90870958a2..b67f0e71e4c8 100644 --- a/Documentation/devicetree/bindings/arm/fsl.yaml +++ b/Documentation/devicetree/bindings/arm/fsl.yaml @@ -89,6 +89,7 @@ properties: - description: i.MX28 based Boards items: - enum: + - amarula,imx28-rmm - armadeus,imx28-apf28 # APF28 SoM - bluegiga,apx4devkit # Bluegiga APx4 SoM on dev board - crystalfontz,cfa10036 # Crystalfontz CFA-10036 SoM From patchwork Wed May 21 09:28:22 2025 Content-Type: text/plain; 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Wed, 21 May 2025 02:28:33 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, michael@amarulasolutions.com, Dario Binacchi , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/3] ARM: dts: mxs: support i.MX28 Amarula rmm board Date: Wed, 21 May 2025 11:28:22 +0200 Message-ID: <20250521092826.1035448-4-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250521092826.1035448-1-dario.binacchi@amarulasolutions.com> References: <20250521092826.1035448-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=aMuDoMWn; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com; dara=pass header.i=@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , The board includes the following resources: - 256 Mbytes NAND Flash - 256 Mbytes SRAM - LCD-TFT controller - CAN - USB 2.0 high-speed/full-speed - Ethernet MAC Signed-off-by: Dario Binacchi --- arch/arm/boot/dts/nxp/mxs/Makefile | 1 + .../boot/dts/nxp/mxs/imx28-amarula-rmm.dts | 302 ++++++++++++++++++ 2 files changed, 303 insertions(+) create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-amarula-rmm.dts diff --git a/arch/arm/boot/dts/nxp/mxs/Makefile b/arch/arm/boot/dts/nxp/mxs/Makefile index 96dd31ea19ba..d72ba702b6fa 100644 --- a/arch/arm/boot/dts/nxp/mxs/Makefile +++ b/arch/arm/boot/dts/nxp/mxs/Makefile @@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_MXS) += \ imx23-sansa.dtb \ imx23-stmp378x_devb.dtb \ imx23-xfi3.dtb \ + imx28-amarula-rmm.dtb \ imx28-apf28.dtb \ imx28-apf28dev.dtb \ imx28-apx4devkit.dtb \ diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-amarula-rmm.dts b/arch/arm/boot/dts/nxp/mxs/imx28-amarula-rmm.dts new file mode 100644 index 000000000000..ce6b34e35e1c --- /dev/null +++ b/arch/arm/boot/dts/nxp/mxs/imx28-amarula-rmm.dts @@ -0,0 +1,302 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 Amarula Solutions, Dario Binacchi + */ + +/dts-v1/; +#include "imx28.dtsi" +#include +#include + +/ { + model = "Amarula i.MX28 rmm"; + compatible = "amarula,imx28-rmm", "fsl,imx28"; + + memory@40000000 { + device_type = "memory"; + reg = <0x40000000 0x08000000>; + }; + + reg_5v: regulator-5v { + compatible = "regulator-fixed"; + regulator-name = "5v"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; + + reg_3v3: regulator-3v3 { + compatible = "regulator-fixed"; + regulator-name = "3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + reg_1v8: regulator-1v8 { + compatible = "regulator-fixed"; + regulator-name = "1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + reg_fec_3v3: regulator-fec-3v3 { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&fec_3v3_enable_pin>; + regulator-name = "fec-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>; + enable-active-high; + startup-delay-us = <300000>; + vin-supply = <®_5v>; + }; + + reg_usb0_vbus: regulator-usb0-vbus { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&usb0_vbus_enable_pin>; + regulator-name = "usb0_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio2 5 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-always-on; + }; + + reg_usb1_vbus: regulator-usb1-vbus { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&usb1_vbus_enable_pin>; + regulator-name = "usb1_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio2 6 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-always-on; + }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 4 5000000 0>; + brightness-levels = <0 255>; + num-interpolated-steps = <255>; + default-brightness-level = <255>; + power-supply = <®_5v>; + }; + + beeper { + compatible = "pwm-beeper"; + pwms = <&pwm 7 100000 0>; + }; + + leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&leds_pins>; + + led-0 { + label = "status"; + gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + led-1 { + label = "x22_5"; + gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + + led-2 { + label = "x22_4"; + gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + }; +}; + +&auart0 { + pinctrl-names = "default"; + pinctrl-0 = <&auart0_2pins_a>; + status = "okay"; +}; + +&auart1 { + pinctrl-names = "default"; + pinctrl-0 = <&auart1_pins_a>; + status = "okay"; +}; + +&can0 { + pinctrl-names = "default"; + pinctrl-0 = <&can0_pins_a>; + xceiver-supply = <®_3v3>; + status = "okay"; +}; + +&duart { + pinctrl-names = "default"; + pinctrl-0 = <&duart_pins_b>; + status = "okay"; +}; + +&duart_pins_b { + fsl,voltage = ; +}; + +&gpmi { + pinctrl-names = "default"; + pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>; + status = "okay"; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + polytouch: edt-ft5x06@38 { + compatible = "edt,edt-ft5x06"; + reg = <0x38>; + pinctrl-names = "default"; + pinctrl-0 = <&edt_ft5x06_pins &edt_ft5x06_wake_pin>; + interrupt-parent = <&gpio0>; + interrupts = <19 IRQ_TYPE_EDGE_RISING>; + reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>; + wake-gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>; + }; +}; + +&lradc { + status = "okay"; +}; + +&mac0 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>; + phy-supply = <®_fec_3v3>; + phy-handle = <ðphy>; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + max-speed = <100>; + reset-gpios = <&gpio3 28 GPIO_ACTIVE_LOW>; + reset-assert-us = <4000>; + reset-deassert-us = <4000>; + }; + }; +}; + +&pinctrl { + pinctrl-names = "default"; + pinctrl-0 = <&hog_pins_a>; + + hog_pins_a: hog-0 { + reg = <0>; + fsl,pinmux-ids = < + MX28_PAD_LCD_RESET__GPIO_3_30 /* LCD reset */ + MX28_PAD_SSP2_SS1__GPIO_2_20 /* External power */ + >; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; + + edt_ft5x06_pins: edt-ft5x06-0 { + reg = <0>; + fsl,pinmux-ids = < + MX28_PAD_GPMI_RDY1__GPIO_0_21 /* Reset */ + MX28_PAD_GPMI_CE3N__GPIO_0_19 /* Interrupt */ + >; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; + + edt_ft5x06_wake_pin: edt-ft5x06-wake-0 { + reg = <0>; + fsl,pinmux-ids = ; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; + + fec_3v3_enable_pin: fec-3v3-enable-0 { + reg = <0>; + fsl,pinmux-ids = ; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; + + leds_pins: leds-0 { + reg = <0>; + fsl,pinmux-ids = < + MX28_PAD_SSP0_DATA7__GPIO_2_7 + MX28_PAD_PWM0__GPIO_3_16 + MX28_PAD_PWM1__GPIO_3_17 + >; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; + + usb0_vbus_enable_pin: usb0-vbus-enable-0 { + reg = <0>; + fsl,pinmux-ids = ; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; + + usb1_vbus_enable_pin: usb1-vbus-enable-0 { + reg = <0>; + fsl,pinmux-ids = ; + fsl,drive-strength = ; + fsl,voltage = ; + fsl,pull-up = ; + }; +}; + +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm4_pins_a &pwm7_pins_a>; + status = "okay"; +}; + +&ssp0 { + compatible = "fsl,imx28-mmc"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>; + status = "okay"; + bus-width = <4>; + broken-cd; +}; + +&usb0 { + status = "okay"; + vbus-supply = <®_usb0_vbus>; + dr_mode = "host"; +}; + +&usb1 { + status = "okay"; + vbus-supply = <®_usb1_vbus>; + dr_mode = "host"; +}; + +&usbphy0 { + status = "okay"; +}; + +&usbphy1 { + status = "okay"; +};