From patchwork Thu Nov 30 16:16:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 13474706 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 50958C10DC3 for ; Thu, 30 Nov 2023 16:19:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=TbYaXfEk59CdKrJj3VgtP/cJKPmAh7B02Qh31inUN88=; b=UjvBNBDGMh+bZh IVTq/Zw6lw1hkmFzEnXJuodK7HDkN3P57DplsDYqr3JNGukh/fiq4bGd0uGSIdCM1IEVOGD7tyqF1 U6sy+2PBitK5M8JAQMXC+kg87yR4kB5MIBqjt99uGTsV9ds2Gmjp+dBOdVZuO0aLkqGc+9OeaJL7H lU9JIuHNroVibBdCaI+HK2K6RvoUgkNX7d47U0ZEX1XZNEbopLr1du0zmdsiTQt3vKDTKIXXG5I1Y oKBRr7Sg6DoJs453cFBi149WFtZ8dqCbKKJQwXCa2DENO2NhLNYURwhpb8aV2WIPCTkBH/52nV2h1 2Ym5xlPK40iyd1u7OVYA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r8jkt-00BJDR-2f; Thu, 30 Nov 2023 16:19:11 +0000 Received: from mail.fris.de ([116.203.77.234]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r8jkT-00BIyk-0v for linux-arm-kernel@lists.infradead.org; Thu, 30 Nov 2023 16:18:47 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E5A5AC0278; Thu, 30 Nov 2023 17:18:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1701361112; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=UzuIP5S8AevrVXGMKCmE3Yuhm7j6XpmBkoAvyid/FQM=; b=TrRftCxaYKSg3bZRr9aLe0Oa3y/CuYLIgvW+TgB/+ZsCoRknhlLFiNqBc4WXHw7U8XTgj8 0E/AaWOisa7dHian+FzUnBbtyXMWP0ex4iY0mJ9pdZ3Y5vubD/nnDcBYQfv+ibpPcctdHh YUcJGD2cMMGjJFKwLg0rrH1pGPqSs4vXsc1HUf5T5AYG5AwTABzNqo0cxR46oowpJHVF6s jUaBLbq1lkf75qFeiBqC+7BA9S/amKSoyZLB8tf86AzE4lmxLjRZwO6RXdFyZ3hRMHBbkl mPyxugDIcd31YB47TAgbXy7fsLA7kWjPQogMnXA75mirTEMHoeDrmf+zqADt2A== From: Frieder Schrempf To: Conor Dooley , devicetree@vger.kernel.org, Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Frieder Schrempf , Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 01/14] arm64: dts: imx8mm-kontron: Add support for display bridges on BL i.MX8MM Date: Thu, 30 Nov 2023 17:16:01 +0100 Message-ID: <20231130161657.556483-2-frieder@fris.de> In-Reply-To: <20231130161657.556483-1-frieder@fris.de> References: <20231130161657.556483-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231130_081845_637982_1359248C X-CRM114-Status: GOOD ( 12.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- Changes for v2: * Rework DSI mux GPIO logic to be compatible with overlay * Switch from 4 to 2 DSI lanes for LVDS bridge to fix non-working display --- .../boot/dts/freescale/imx8mm-kontron-bl.dts | 158 ++++++++++++++++++ 1 file changed, 158 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts index dcec57c20399e..0fb16b811461e 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 +143,102 @@ 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"; + status = "okay"; + }; + + 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"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + bridge_in_dsi_lvds: endpoint { + remote-endpoint = <&dsi_out_bridge>; + data-lanes = <1 2>; + }; + }; + }; + }; +}; + &i2c4 { clock-frequency = <100000>; pinctrl-names = "default"; @@ -144,6 +251,30 @@ 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 +338,12 @@ &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 +414,20 @@ 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 0x400001c3 @@ -290,6 +441,13 @@ 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 0x140