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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429c13f1d4csm3144559f8f.39.2025.10.31.05.51.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 05:51:05 -0700 (PDT) From: max.oss.09@gmail.com To: Max Krummenacher Cc: Philippe Schenker , 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, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/3] arm64: dts: colibri-imx8x: Add backlight Date: Fri, 31 Oct 2025 13:49:41 +0100 Message-ID: <20251031125003.275033-2-max.oss.09@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20251031125003.275033-1-max.oss.09@gmail.com> References: <20251031125003.275033-1-max.oss.09@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Philippe Schenker Add a backlight node to colibri-imx8x. The node can be enabled from an overlay once display output is implemented. Signed-off-by: Philippe Schenker Signed-off-by: Max Krummenacher --- arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/= boot/dts/freescale/imx8x-colibri.dtsi index 8e9e841cc828..318fe4db1b64 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi @@ -3,7 +3,21 @@ * Copyright 2019 Toradex */ =20 +#include "dt-bindings/pwm/pwm.h" + / { + backlight: backlight { + compatible =3D "pwm-backlight"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_gpio_bl_on>; + brightness-levels =3D <0 45 63 88 119 158 203 255>; + default-brightness-level =3D <4>; + enable-gpios =3D <&lsio_gpio3 12 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */ + power-supply =3D <®_module_3v3>; + pwms =3D <&adma_pwm 0 6666667 PWM_POLARITY_INVERTED>; + status =3D "disabled"; + }; + chosen { stdout-path =3D &lpuart3; }; --=20 2.42.0 From nobody Sun Feb 8 01:33:54 2026 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 665491F09A3 for ; 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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429c13f1d4csm3144559f8f.39.2025.10.31.05.51.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 05:51:06 -0700 (PDT) From: max.oss.09@gmail.com To: Max Krummenacher Cc: 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, linux-kernel@vger.kernel.org Subject: [PATCH v1 2/3] arm64: dts: colibri-imx8x: Add wi-fi 32kHz clock Date: Fri, 31 Oct 2025 13:49:42 +0100 Message-ID: <20251031125003.275033-3-max.oss.09@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20251031125003.275033-1-max.oss.09@gmail.com> References: <20251031125003.275033-1-max.oss.09@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Max Krummenacher The Wi-Fi module requires a 32kHz clock to support Wi-Fi/BT low power operation. Setting the pinmuxing option on the connected pin to 32kHz is all needed to generated the signal. Signed-off-by: Max Krummenacher --- arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/= boot/dts/freescale/imx8x-colibri.dtsi index 318fe4db1b64..32bca4c6f37e 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi @@ -490,7 +490,7 @@ &mu1_m0 { /* On-module PCIe for Wi-Fi */ &pcieb { pinctrl-names =3D "default"; - pinctrl-0 =3D <&pinctrl_pcieb>; + pinctrl-0 =3D <&pinctrl_pcieb>, <&pinctrl_wifi>; phys =3D <&hsio_phy 0 PHY_TYPE_PCIE 0>; phy-names =3D "pcie-phy"; reset-gpios =3D <&lsio_gpio4 0 GPIO_ACTIVE_LOW>; --=20 2.42.0 From nobody Sun Feb 8 01:33:54 2026 Received: from mail-wr1-f41.google.com (mail-wr1-f41.google.com [209.85.221.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 87AFD348864 for ; 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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429c13f1d4csm3144559f8f.39.2025.10.31.05.51.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 05:51:07 -0700 (PDT) From: max.oss.09@gmail.com To: Max Krummenacher Cc: Philippe Schenker , 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, linux-kernel@vger.kernel.org Subject: [PATCH v1 3/3] arm64: dts: colibri-imx8x: Add cma memory Date: Fri, 31 Oct 2025 13:49:43 +0100 Message-ID: <20251031125003.275033-4-max.oss.09@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20251031125003.275033-1-max.oss.09@gmail.com> References: <20251031125003.275033-1-max.oss.09@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Philippe Schenker Add CMA in device tree and set its size to 416MiB for all Colibri iMX8X. The size is tuned to be enough to play full HD video using gst-play and to fit in the SKU with the lowest amount of RAM (1GB). Signed-off-by: Philippe Schenker Signed-off-by: Max Krummenacher --- arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/= boot/dts/freescale/imx8x-colibri.dtsi index 32bca4c6f37e..d4bf30d91d69 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi @@ -86,6 +86,19 @@ reg_usbh_vbus: regulator-usbh-vbus { regulator-name =3D "usbh_vbus"; }; =20 + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + linux,cma { + compatible =3D "shared-dma-pool"; + linux,cma-default; + reusable; + size =3D <0 0x1a000000>; + }; + }; + sound-card { compatible =3D "simple-audio-card"; simple-audio-card,bitclock-master =3D <&dailink_master>; --=20 2.42.0