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Mon, 15 Sep 2025 13:55:52 +0200 From: Yannic Moog Date: Mon, 15 Sep 2025 13:54:35 +0200 Subject: [PATCH 1/3] arm64: dts: imx8mp pollux: add display overlays Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20250915-imx8mp-pollux-display-overlays-v1-1-59508d578f0f@phytec.de> References: <20250915-imx8mp-pollux-display-overlays-v1-0-59508d578f0f@phytec.de> In-Reply-To: <20250915-imx8mp-pollux-display-overlays-v1-0-59508d578f0f@phytec.de> To: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , , , Yannic Moog X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1757937351; l=7257; i=y.moog@phytec.de; s=20250509; h=from:subject:message-id; bh=U+IX9tOKpC7rpeI9cV3EVgSNIt3ZiM96jNVeiUuiLa0=; b=QjSc1whYTATpxqblxLikH45yhcjkWOx/fWH/TTm5lpuTtGlPYaEyPBq7VDXuyUgq8/q8gi9cq IsjNLOnnyX4A4zQ0a6TbgDGhKpCg7LXHeFaZcvRxdPVAhRCyHi7NZjY X-Developer-Key: i=y.moog@phytec.de; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2025 11:55:53.0832 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e12fd762-fd21-4245-4322-08ddf44ed26a X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00025F9B.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8P195MB1157 imx8mp-phyboard-pollux had a display baked into its board dts file. However this approach does not truly discribe the hardware and is not suitable when using different displays. Move display specific description into an overlay and add the successor display for the phyboard-pollux as an additional overlay. Signed-off-by: Yannic Moog --- arch/arm64/boot/dts/freescale/Makefile | 6 +++ .../imx8mp-phyboard-pollux-etml1010g3dra.dtso | 44 +++++++++++++++++++ .../imx8mp-phyboard-pollux-ph128800t006.dtso | 45 ++++++++++++++++++= ++ .../dts/freescale/imx8mp-phyboard-pollux-rdk.dts | 49 +++++-------------= ---- 4 files changed, 105 insertions(+), 39 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index 23535ed47631ca8f9db65bec5c07b6a7a7e36525..805ab9e5942bc9e2b9776e92412= f56e969b6b39a 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -218,7 +218,13 @@ dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-navqp.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-nitrogen-enc-carrier-board.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-nitrogen-smarc-universal-board.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-rdk.dtb +imx8mp-phyboard-pollux-etml1010g3dra-dtbs +=3D imx8mp-phyboard-pollux-rdk.= dtb \ + imx8mp-phyboard-pollux-etml1010g3dra.dtbo +imx8mp-phyboard-pollux-ph128800t006-dtbs +=3D imx8mp-phyboard-pollux-rdk.d= tb \ + imx8mp-phyboard-pollux-ph128800t006.dtbo imx8mp-phyboard-pollux-rdk-no-eth-dtbs +=3D imx8mp-phyboard-pollux-rdk.dtb= imx8mp-phycore-no-eth.dtbo +dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-etml1010g3dra.dtb +dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-ph128800t006.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-rdk-no-eth.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-skov-basic.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-skov-revb-hdmi.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-etml1010g= 3dra.dtso b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-etml1010g3= dra.dtso new file mode 100644 index 0000000000000000000000000000000000000000..713d65b0fb32a57bd566929a5f6= 7098b3fe43963 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-etml1010g3dra.dt= so @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + */ + +#include +#include + +/dts-v1/; +/plugin/; + +&backlight_lvds1 { + brightness-levels =3D <0 8 16 32 64 128 255>; + default-brightness-level =3D <8>; + enable-gpios =3D <&gpio2 20 GPIO_ACTIVE_LOW>; + num-interpolated-steps =3D <2>; + pwms =3D <&pwm3 0 50000 0>; + status =3D "okay"; +}; + +&lcdif2 { + status =3D "okay"; +}; + +&lvds_bridge { + assigned-clocks =3D <&clk IMX8MP_CLK_MEDIA_LDB>, <&clk IMX8MP_VIDEO_PLL1>; + assigned-clock-parents =3D <&clk IMX8MP_VIDEO_PLL1_OUT>; + /* + * The LVDS panel uses 72.4 MHz pixel clock, set IMX8MP_VIDEO_PLL1 to + * 72.4 * 7 =3D 506.8 MHz so the LDB serializer and LCDIFv3 scanout + * engine can reach accurate pixel clock of exactly 72.4 MHz. + */ + assigned-clock-rates =3D <0>, <506800000>; + status =3D "okay"; +}; + +&panel_lvds1 { + compatible =3D "edt,etml1010g3dra"; + status =3D "okay"; +}; + +&pwm3 { + status =3D "okay"; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-ph128800t= 006.dtso b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-ph128800t00= 6.dtso new file mode 100644 index 0000000000000000000000000000000000000000..68975f0f3d84b5c29ee3e4e8815= ce0d03ea19860 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-ph128800t006.dtso @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + */ + +#include +#include + +/dts-v1/; +/plugin/; + +&backlight_lvds1 { + brightness-levels =3D <0 8 16 32 64 128 255>; + default-brightness-level =3D <8>; + enable-gpios =3D <&gpio2 20 GPIO_ACTIVE_LOW>; + num-interpolated-steps =3D <2>; + pwms =3D <&pwm3 0 66667 0>; + status =3D "okay"; +}; + +&lcdif2 { + status =3D "okay"; +}; + +&lvds_bridge { + assigned-clocks =3D <&clk IMX8MP_CLK_MEDIA_LDB>, <&clk IMX8MP_VIDEO_PLL1>; + assigned-clock-parents =3D <&clk IMX8MP_VIDEO_PLL1_OUT>; + /* + * The LVDS panel uses 72.4 MHz pixel clock, set IMX8MP_VIDEO_PLL1 to + * 66.5 * 7 =3D 465.5 MHz so the LDB serializer and LCDIFv3 scanout + * engine can reach accurate pixel clock of exactly 66.5 MHz. + */ + assigned-clock-rates =3D <0>, <465500000>; + status =3D "okay"; +}; + + +&panel_lvds1 { + compatible =3D "powertip,ph128800t006-zhc01"; + status =3D "okay"; +}; + +&pwm3 { + status =3D "okay"; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b= /arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts index 436152308642270c320e3ae3b21b9e46b923c043..e96b6faa6e0364231b1867b5d28= 2264e4867e755 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts @@ -8,7 +8,6 @@ =20 #include #include -#include #include #include "imx8mp-phycore-som.dtsi" =20 @@ -21,16 +20,12 @@ chosen { stdout-path =3D &uart1; }; =20 - backlight_lvds: backlight { + backlight_lvds1: backlight1 { compatible =3D "pwm-backlight"; - pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_lvds1>; - brightness-levels =3D <0 4 8 16 32 64 128 255>; - default-brightness-level =3D <11>; - enable-gpios =3D <&gpio2 20 GPIO_ACTIVE_LOW>; - num-interpolated-steps =3D <2>; + pinctrl-names =3D "default"; power-supply =3D <®_lvds1_reg_en>; - pwms =3D <&pwm3 0 50000 0>; + status =3D "disabled"; }; =20 fan0: fan { @@ -43,10 +38,11 @@ fan0: fan { #cooling-cells =3D <2>; }; =20 - panel1_lvds: panel-lvds { - compatible =3D "edt,etml1010g3dra"; - backlight =3D <&backlight_lvds>; + panel_lvds1: panel-lvds1 { + /* compatible panel in overlay */ + backlight =3D <&backlight_lvds1>; power-supply =3D <®_vcc_3v3_sw>; + status =3D "disabled"; =20 port { panel1_in: endpoint { @@ -232,32 +228,8 @@ led-3 { }; }; =20 -&lcdif2 { - status =3D "okay"; -}; - -&lvds_bridge { - status =3D "okay"; - - ports { - port@2 { - ldb_lvds_ch1: endpoint { - remote-endpoint =3D <&panel1_in>; - }; - }; - }; -}; - -&media_blk_ctrl { - /* - * The LVDS panel on this device uses 72.4 MHz pixel clock, - * set IMX8MP_VIDEO_PLL1 to 72.4 * 7 =3D 506.8 MHz so the LDB - * serializer and LCDIFv3 scanout engine can reach accurate - * pixel clock of exactly 72.4 MHz. - */ - assigned-clock-rates =3D <500000000>, <200000000>, - <0>, <0>, <500000000>, - <506800000>; +&ldb_lvds_ch1 { + remote-endpoint =3D <&panel1_in>; }; =20 &snvs_pwrkey { @@ -282,9 +254,8 @@ &pcie { }; =20 &pwm3 { - status =3D "okay"; - pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_pwm3>; + pinctrl-names =3D "default"; }; =20 &rv3028 { --=20 2.43.0 From nobody Thu Oct 2 15:18:37 2025 Received: from EUR02-AM0-obe.outbound.protection.outlook.com (mail-am0eur02on2126.outbound.protection.outlook.com [40.107.247.126]) (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 1B9A723C50C; Mon, 15 Sep 2025 11:55:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2025 11:55:53.3072 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e750c415-e229-46ad-9624-08ddf44ed28c X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00025F9B.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR3P195MB0490 An expansion board (PEB-AV-10) may be connected to the imx8mp-phyboard-pollux. Its main purpose is to provide multimedia interfaces, featuring a 3.5mm headphone jack, a USB-A port and LVDS as well as backlight connectors. Signed-off-by: Yannic Moog --- arch/arm64/boot/dts/freescale/Makefile | 3 + .../imx8mp-phyboard-pollux-peb-av-10.dtsi | 198 +++++++++++++++++= ++++ .../imx8mp-phyboard-pollux-peb-av-10.dtso | 9 + 3 files changed, 210 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index 805ab9e5942bc9e2b9776e92412f56e969b6b39a..9c121041128972d2239e2cc74df= 98b0bf7de1ac2 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -220,10 +220,13 @@ dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-nitrogen-smarc-uni= versal-board.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-rdk.dtb imx8mp-phyboard-pollux-etml1010g3dra-dtbs +=3D imx8mp-phyboard-pollux-rdk.= dtb \ imx8mp-phyboard-pollux-etml1010g3dra.dtbo +imx8mp-phyboard-pollux-peb-av-10-dtbs +=3D imx8mp-phyboard-pollux-rdk.dtb \ + imx8mp-phyboard-pollux-peb-av-10.dtbo imx8mp-phyboard-pollux-ph128800t006-dtbs +=3D imx8mp-phyboard-pollux-rdk.d= tb \ imx8mp-phyboard-pollux-ph128800t006.dtbo imx8mp-phyboard-pollux-rdk-no-eth-dtbs +=3D imx8mp-phyboard-pollux-rdk.dtb= imx8mp-phycore-no-eth.dtbo dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-etml1010g3dra.dtb +dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-peb-av-10.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-ph128800t006.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-rdk-no-eth.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-skov-basic.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10= .dtsi b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10.dtsi new file mode 100644 index 0000000000000000000000000000000000000000..d5dcb91b2a9c41bcfa3288923d8= 458cf593aa4b3 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10.dtsi @@ -0,0 +1,198 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + */ + +#include +#include +#include "imx8mp-pinfunc.h" + +&{/} { + backlight_lvds0: backlight0 { + compatible =3D "pwm-backlight"; + pinctrl-0 =3D <&pinctrl_lvds0>; + pinctrl-names =3D "default"; + power-supply =3D <®_vcc_12v>; + status =3D "disabled"; + }; + + panel_lvds0: panel-lvds0 { + backlight =3D <&backlight_lvds0>; + power-supply =3D <®_vcc_3v3_sw>; + status =3D "disabled"; + + port { + panel0_in: endpoint { + remote-endpoint =3D <&ldb_lvds_ch0>; + }; + }; + }; + + reg_vcc_12v: regulator-12v { + compatible =3D "regulator-fixed"; + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt =3D <12000000>; + regulator-min-microvolt =3D <12000000>; + regulator-name =3D "VCC_12V"; + }; + + reg_vcc_1v8_audio: regulator-1v8 { + compatible =3D "regulator-fixed"; + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt =3D <1800000>; + regulator-min-microvolt =3D <1800000>; + regulator-name =3D "VCC_1V8_Audio"; + }; + + reg_vcc_3v3_analog: regulator-3v3 { + compatible =3D "regulator-fixed"; + regulator-always-on; + regulator-boot-on; + regulator-max-microvolt =3D <3300000>; + regulator-min-microvolt =3D <3300000>; + regulator-name =3D "VCC_3V3_Analog"; + }; + + sound { + compatible =3D "simple-audio-card"; + simple-audio-card,name =3D "snd-peb-av-10"; + simple-audio-card,format =3D "i2s"; + simple-audio-card,bitclock-master =3D <&dailink_master>; + simple-audio-card,frame-master =3D <&dailink_master>; + simple-audio-card,mclk-fs =3D <32>; + simple-audio-card,widgets =3D + "Line", "Line In", + "Speaker", "Speaker", + "Microphone", "Microphone Jack", + "Headphone", "Headphone Jack"; + simple-audio-card,routing =3D + "Speaker", "SPOP", + "Speaker", "SPOM", + "Headphone Jack", "HPLOUT", + "Headphone Jack", "HPROUT", + "LINE1L", "Line In", + "LINE1R", "Line In", + "MIC3R", "Microphone Jack", + "Microphone Jack", "Mic Bias"; + + simple-audio-card,cpu { + sound-dai =3D <&sai2>; + }; + + dailink_master: simple-audio-card,codec { + sound-dai =3D <&codec>; + clocks =3D <&clk IMX8MP_CLK_SAI2>; + }; + }; +}; + +&i2c4 { + clock-frequency =3D <400000>; + pinctrl-0 =3D <&pinctrl_i2c4>; + pinctrl-1 =3D <&pinctrl_i2c4_gpio>; + pinctrl-names =3D "default", "gpio"; + scl-gpios =3D <&gpio5 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios =3D <&gpio5 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + #address-cells =3D <1>; + #size-cells =3D <0>; + status =3D "okay"; + + codec: codec@18 { + compatible =3D "ti,tlv320aic3007"; + reg =3D <0x18>; + pinctrl-0 =3D <&pinctrl_tlv320>; + pinctrl-names =3D "default"; + #sound-dai-cells =3D <0>; + reset-gpios =3D <&gpio4 28 GPIO_ACTIVE_LOW>; + ai3x-gpio-func =3D <0xd 0x0>; + ai3x-micbias-vg =3D <2>; + AVDD-supply =3D <®_vcc_3v3_analog>; + DRVDD-supply =3D <®_vcc_3v3_analog>; + DVDD-supply =3D <®_vcc_1v8_audio>; + IOVDD-supply =3D <®_vcc_3v3_sw>; + }; + + eeprom@57 { + compatible =3D "atmel,24c32"; + reg =3D <0x57>; + pagesize =3D <32>; + vcc-supply =3D <®_vcc_3v3_sw>; + }; +}; + +&ldb_lvds_ch0 { + remote-endpoint =3D <&panel0_in>; +}; + +&pwm4 { + pinctrl-0 =3D <&pinctrl_pwm4>; + pinctrl-names =3D "default"; +}; + +&sai2 { + pinctrl-0 =3D <&pinctrl_sai2>; + pinctrl-names =3D "default"; + assigned-clocks =3D <&clk IMX8MP_CLK_SAI2>; + assigned-clock-parents =3D <&clk IMX8MP_AUDIO_PLL1_OUT>; + assigned-clock-rates =3D <12288000>; + clocks =3D <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI2_IPG>, + <&clk IMX8MP_CLK_DUMMY>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI2_MCLK1>, + <&clk IMX8MP_CLK_DUMMY>, + <&clk IMX8MP_CLK_DUMMY>, + <&clk IMX8MP_AUDIO_PLL1_OUT>, + <&clk IMX8MP_AUDIO_PLL2_OUT>; + clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k", + "pll11k"; + #sound-dai-cells =3D <0>; + fsl,sai-mclk-direction-output; + fsl,sai-synchronous-rx; + status =3D "okay"; +}; + +&iomuxc { + pinctrl_i2c4: i2c4grp { + fsl,pins =3D < + MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c2 + MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c2 + >; + }; + + pinctrl_i2c4_gpio: i2c4gpiogrp { + fsl,pins =3D < + MX8MP_IOMUXC_I2C4_SCL__GPIO5_IO20 0x1e2 + MX8MP_IOMUXC_I2C4_SDA__GPIO5_IO21 0x1e2 + >; + }; + + pinctrl_lvds0: lvds0grp { + fsl,pins =3D < + MX8MP_IOMUXC_SAI3_TXD__GPIO5_IO01 0x12 + >; + }; + + pinctrl_pwm4: pwm4grp { + fsl,pins =3D < + MX8MP_IOMUXC_SAI3_MCLK__PWM4_OUT 0x12 + >; + }; + + pinctrl_sai2: sai2grp { + fsl,pins =3D < + MX8MP_IOMUXC_SAI2_MCLK__AUDIOMIX_SAI2_MCLK 0xd6 + MX8MP_IOMUXC_SAI2_RXFS__AUDIOMIX_SAI2_RX_SYNC 0xd6 + MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI2_TX_BCLK 0xd6 + MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI2_TX_DATA00 0xd6 + MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI2_RX_DATA00 0xd6 + >; + }; + + pinctrl_tlv320: tlv320grp { + fsl,pins =3D < + MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28 0x16 + MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x16 + >; + }; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10= .dtso b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10.dtso new file mode 100644 index 0000000000000000000000000000000000000000..27289b68dc46676d870535511f0= 6b805df59dfa1 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10.dtso @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + */ + +/dts-v1/; +/plugin/; + +#include "imx8mp-phyboard-pollux-peb-av-10.dtsi" --=20 2.43.0 From nobody Thu Oct 2 15:18:37 2025 Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2119.outbound.protection.outlook.com [40.107.22.119]) (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 141B33002CC; 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Mon, 15 Sep 2025 13:55:52 +0200 Received: from llp-moog.phytec.de (172.25.32.51) by Postix.phytec.de (172.25.0.11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.17; Mon, 15 Sep 2025 13:55:52 +0200 From: Yannic Moog Date: Mon, 15 Sep 2025 13:54:37 +0200 Subject: [PATCH 3/3] arm64: dts: imx8mp pollux: add displays for expansion board Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20250915-imx8mp-pollux-display-overlays-v1-3-59508d578f0f@phytec.de> References: <20250915-imx8mp-pollux-display-overlays-v1-0-59508d578f0f@phytec.de> In-Reply-To: <20250915-imx8mp-pollux-display-overlays-v1-0-59508d578f0f@phytec.de> To: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , , , Yannic Moog X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2025 11:55:53.6058 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1e9ec700-cf8e-4032-02b9-08ddf44ed2ba X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00025F9B.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8P195MB1190 The same displays that can be connected directly to the imx8mp-phyboard-pollux can also be connected to the expansion board PEB-AV-10. For displays connected to the expansion board, a second LVDS channel of the i.MX 8M Plus SoC is used and only a single display connected to the SoC LVDS display bridge at a given time is supported. Signed-off-by: Yannic Moog --- arch/arm64/boot/dts/freescale/Makefile | 6 +++ ...mp-phyboard-pollux-peb-av-10-etml1010g3dra.dtso | 45 ++++++++++++++++++= ++++ ...8mp-phyboard-pollux-peb-av-10-ph128800t006.dtso | 45 ++++++++++++++++++= ++++ 3 files changed, 96 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index 9c121041128972d2239e2cc74df98b0bf7de1ac2..e4b097446440f41785dd1a0e5d3= 54796e800ee76 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -222,11 +222,17 @@ imx8mp-phyboard-pollux-etml1010g3dra-dtbs +=3D imx8mp= -phyboard-pollux-rdk.dtb \ imx8mp-phyboard-pollux-etml1010g3dra.dtbo imx8mp-phyboard-pollux-peb-av-10-dtbs +=3D imx8mp-phyboard-pollux-rdk.dtb \ imx8mp-phyboard-pollux-peb-av-10.dtbo +imx8mp-phyboard-pollux-peb-av-10-etml1010g3dra-dtbs +=3D imx8mp-phyboard-p= ollux-rdk.dtb \ + imx8mp-phyboard-pollux-peb-av-10-etml1010g3dra.dtbo +imx8mp-phyboard-pollux-peb-av-10-ph128800t006-dtbs +=3D imx8mp-phyboard-po= llux-rdk.dtb \ + imx8mp-phyboard-pollux-peb-av-10-ph128800t006.dtbo imx8mp-phyboard-pollux-ph128800t006-dtbs +=3D imx8mp-phyboard-pollux-rdk.d= tb \ imx8mp-phyboard-pollux-ph128800t006.dtbo imx8mp-phyboard-pollux-rdk-no-eth-dtbs +=3D imx8mp-phyboard-pollux-rdk.dtb= imx8mp-phycore-no-eth.dtbo dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-etml1010g3dra.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-peb-av-10.dtb +dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-peb-av-10-etml1010g3dra= .dtb +dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-peb-av-10-ph128800t006.= dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-ph128800t006.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-phyboard-pollux-rdk-no-eth.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-skov-basic.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10= -etml1010g3dra.dtso b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-= peb-av-10-etml1010g3dra.dtso new file mode 100644 index 0000000000000000000000000000000000000000..7845a7e2c22f5f136562922052f= 23684b3b991e0 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10-etml10= 10g3dra.dtso @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include "imx8mp-phyboard-pollux-peb-av-10.dtsi" + +&backlight_lvds0 { + brightness-levels =3D <0 8 16 32 64 128 255>; + default-brightness-level =3D <8>; + enable-gpios =3D <&gpio5 1 GPIO_ACTIVE_HIGH>; + num-interpolated-steps =3D <2>; + pwms =3D <&pwm4 0 50000 0>; + status =3D "okay"; +}; + +&lcdif2 { + status =3D "okay"; +}; + +&lvds_bridge { + assigned-clocks =3D <&clk IMX8MP_CLK_MEDIA_LDB>, <&clk IMX8MP_VIDEO_PLL1>; + assigned-clock-parents =3D <&clk IMX8MP_VIDEO_PLL1_OUT>; + /* + * The LVDS panel uses 72.4 MHz pixel clock, set IMX8MP_VIDEO_PLL1 to + * 72.4 * 7 =3D 506.8 MHz so the LDB serializer and LCDIFv3 scanout + * engine can reach accurate pixel clock of exactly 72.4 MHz. + */ + assigned-clock-rates =3D <0>, <506800000>; + status =3D "okay"; +}; + +&panel_lvds0 { + compatible =3D "edt,etml1010g3dra"; + status =3D "okay"; +}; + +&pwm4 { + status =3D "okay"; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10= -ph128800t006.dtso b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-p= eb-av-10-ph128800t006.dtso new file mode 100644 index 0000000000000000000000000000000000000000..4a4ac61c0f83e01411b8421edd6= 614ebda7057fd --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-av-10-ph1288= 00t006.dtso @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) +/* + * Copyright (C) 2025 PHYTEC Messtechnik GmbH + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include "imx8mp-phyboard-pollux-peb-av-10.dtsi" + +&backlight_lvds0 { + brightness-levels =3D <0 8 16 32 64 128 255>; + default-brightness-level =3D <8>; + enable-gpios =3D <&gpio5 1 GPIO_ACTIVE_HIGH>; + num-interpolated-steps =3D <2>; + pwms =3D <&pwm4 0 66667 0>; + status =3D "okay"; +}; + +&lcdif2 { + status =3D "okay"; +}; + +&lvds_bridge { + assigned-clocks =3D <&clk IMX8MP_CLK_MEDIA_LDB>, <&clk IMX8MP_VIDEO_PLL1>; + assigned-clock-parents =3D <&clk IMX8MP_VIDEO_PLL1_OUT>; + /* + * The LVDS panel uses 66.5 MHz pixel clock, set IMX8MP_VIDEO_PLL1 to + * 66.5 * 7 =3D 465.5 MHz so the LDB serializer and LCDIFv3 scanout + * engine can reach accurate pixel clock of exactly 66.5 MHz. + */ + assigned-clock-rates =3D <0>, <465500000>; + status =3D "okay"; +}; + +&panel_lvds0 { + compatible =3D "powertip,ph128800t006-zhc01"; + status =3D "okay"; +}; + +&pwm4 { + status =3D "okay"; +}; --=20 2.43.0