From patchwork Tue Aug 6 13:33:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 13754916 Received: from mail.fris.de (mail.fris.de [116.203.77.234]) (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 741881D1F52 for ; Tue, 6 Aug 2024 13:34:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.77.234 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722951297; cv=none; b=RP27afZhS6SdIymHKznpQ/QRH5AktlnelTlyBxaMVLmIpYEbKNXXkB0TBhrWcbvq1mN2b+2KVc5bw/Z+yLLVBjbL7zJQIdX3nJu9WeuEtqNjrds4vuQoRGbcGJ1wO8gsUkbE/2XNO7WIdu3BiaoEdszzGAe4K0tGYz1JpD4tgrM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722951297; c=relaxed/simple; bh=UdzWhsd9oz0+AmDdGddx8suhoSHnbzpjtEd4LPJVNzc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M97FxKQHaLrS9IAlG3Q7gIagZkTsOfyS1YEo0Z6jxSYobRXnRZaRaqGuLR1QujScLPIeW0xtHmBqMjNGXi9UEyd7dLsj6XDIyJSPYAhwfcQboVualVOMZQLbLXbZuBrCSDa2a1ainqIYaFpM05oSl/qjho+/F6YMmolBF31eIT4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fris.de; spf=fail smtp.mailfrom=fris.de; dkim=pass (2048-bit key) header.d=fris.de header.i=@fris.de header.b=S0b8PbWB; arc=none smtp.client-ip=116.203.77.234 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fris.de Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=fris.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fris.de header.i=@fris.de header.b="S0b8PbWB" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 0F3DEBFBCA; Tue, 6 Aug 2024 15:34:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1722951292; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=oGGBzcnOnP0mo+bJ5KHmTIO9dRW6gvWt4+kpJJygojQ=; b=S0b8PbWBmhssF5D9k42QB4s6ZzguC5h/YbvfPLQdBtYJ4ffo8kF/5LbZYfVoGiVZ+qLA14 CaqVihMfpLlqKc5S/wIU01hVRBpoHr1eKMgL38NgPbWwM55lRaAg0C7d0LD0HyTvvbUzpa kYxC+WLEZVaqKg6aL8TXO+eXByLlhaC68f6XEmjUes6FWCDinyIlXMk6B8PXD0uQHplPXe 3QJiK+dgjoq4t2G2TvT1skNCy+Bd32bgoB4tdCvWAkBQXZOW4+DKIjBopGOOf6zl6oaQIX m9XmgT9e7cD/1ONDkxuiFvs1TEiIdN+J3hgUdBpVak1nOm6dbYFnGDm8HpOhIg== From: Frieder Schrempf To: Conor Dooley , devicetree@vger.kernel.org, imx@lists.linux.dev, Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Frieder Schrempf , Fabio Estevam , Pengutronix Kernel Team Subject: [PATCH 3/4] arm64: dts: imx8mm-kontron: Add support for display bridges on BL i.MX8MM Date: Tue, 6 Aug 2024 15:33:01 +0200 Message-ID: <20240806133352.440922-4-frieder@fris.de> In-Reply-To: <20240806133352.440922-1-frieder@fris.de> References: <20240806133352.440922-1-frieder@fris.de> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 From: Frieder Schrempf The Kontron Electronics BL i.MX8MM has oboard disply bridges for DSI->HDMI and DSI->LVDS conversion. The DSI interface is muxed by a GPIO-controlled switch to one of these two bridges. By default the HDMI bridge is enabled. The LVDS bridge can be selected by loading an additional (panel-specific) overlay. Signed-off-by: Frieder Schrempf --- .../boot/dts/freescale/imx8mm-kontron-bl.dts | 146 ++++++++++++++++++ 1 file changed, 146 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts index aab8e24216501..2b344206dfd16 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts @@ -25,6 +25,17 @@ osc_can: clock-osc-can { clock-output-names = "osc-can"; }; + hdmi-out { + compatible = "hdmi-connector"; + type = "a"; + + port { + hdmi_in_conn: endpoint { + remote-endpoint = <&bridge_out_conn>; + }; + }; + }; + leds { compatible = "gpio-leds"; pinctrl-names = "default"; @@ -132,6 +143,90 @@ ethphy: ethernet-phy@0 { }; }; +&gpio4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpio4>; + + dsi_mux_sel_hdmi: dsi-mux-sel-hdmi-hog { + gpio-hog; + gpios = <14 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "dsi-mux-sel"; + }; + + dsi_mux_sel_lvds: dsi-mux-sel-lvds-hog { + gpio-hog; + gpios = <14 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "dsi-mux-sel"; + status = "disabled"; + }; + + dsi-mux-oe-hog { + gpio-hog; + gpios = <15 GPIO_ACTIVE_LOW>; + output-high; + line-name = "dsi-mux-oe"; + }; +}; + +&i2c3 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; + + hdmi: hdmi@39 { + compatible = "adi,adv7535"; + reg = <0x39>; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adv7535>; + + interrupt-parent = <&gpio4>; + interrupts = <16 IRQ_TYPE_LEVEL_LOW>; + + adi,dsi-lanes = <4>; + + a2vdd-supply = <®_vdd_1v8>; + avdd-supply = <®_vdd_1v8>; + dvdd-supply = <®_vdd_1v8>; + pvdd-supply = <®_vdd_1v8>; + v1p2-supply = <®_vdd_1v8>; + v3p3-supply = <®_vdd_3v3>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + bridge_in_dsi_hdmi: endpoint { + remote-endpoint = <&dsi_out_bridge>; + }; + }; + + port@1 { + reg = <1>; + + bridge_out_conn: endpoint { + remote-endpoint = <&hdmi_in_conn>; + }; + }; + }; + }; + + lvds: bridge@2c { + compatible = "ti,sn65dsi84"; + reg = <0x2c>; + enable-gpios = <&gpio4 26 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sn65dsi84>; + status = "disabled"; + }; +}; + &i2c4 { clock-frequency = <100000>; pinctrl-names = "default"; @@ -144,6 +239,30 @@ rx8900: rtc@32 { }; }; +&lcdif { + status = "okay"; +}; + +&mipi_dsi { + samsung,esc-clock-frequency = <54000000>; + /* + * Let the driver calculate an appropriate clock rate based on the pixel + * clock instead of using the fixed value from imx8mm.dtsi. + */ + /delete-property/ samsung,pll-clock-frequency; + status = "okay"; + + ports { + port@1 { + reg = <1>; + + dsi_out_bridge: endpoint { + remote-endpoint = <&bridge_in_dsi_hdmi>; + }; + }; + }; +}; + &pwm2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm2>; @@ -207,6 +326,12 @@ &iomuxc { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpio>; + pinctrl_adv7535: adv7535grp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_TXD4_GPIO4_IO16 0x19 + >; + }; + pinctrl_can: cangrp { fsl,pins = < MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x19 @@ -277,6 +402,20 @@ MX8MM_IOMUXC_SAI3_MCLK_GPIO5_IO2 0x19 >; }; + pinctrl_gpio4: gpio4grp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_TXD2_GPIO4_IO14 0x19 + MX8MM_IOMUXC_SAI1_TXD3_GPIO4_IO15 0x19 + >; + }; + + pinctrl_i2c3: i2c3grp { + fsl,pins = < + MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL 0x40000083 + MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x40000083 + >; + }; + pinctrl_i2c4: i2c4grp { fsl,pins = < MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x40000083 @@ -290,6 +429,13 @@ MX8MM_IOMUXC_SPDIF_RX_PWM2_OUT 0x19 >; }; + pinctrl_sn65dsi84: sn65dsi84grp { + fsl,pins = < + MX8MM_IOMUXC_SAI2_TXD0_GPIO4_IO26 0x19 + MX8MM_IOMUXC_SD2_WP_GPIO2_IO20 0x19 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX 0x0