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[82.58.49.236]) by smtp.gmail.com with ESMTPSA id d21-20020a170906371500b009890e402a6bsm2065390ejc.221.2023.07.11.23.29.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Jul 2023 23:29:22 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , Raphael Gallais-Pou , Philippe Cornu , michael@amarulasolutions.com, Dario Binacchi , Alexandre Torgue , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v6 1/3] ARM: dts: stm32: add ltdc support on stm32f746 MCU Date: Wed, 12 Jul 2023 08:29:16 +0200 Message-Id: <20230712062918.2248573-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230712062918.2248573-1-dario.binacchi@amarulasolutions.com> References: <20230712062918.2248573-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add LTDC (Lcd-tft Display Controller) support. Signed-off-by: Dario Binacchi --- (no changes since v1) arch/arm/boot/dts/st/stm32f746.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/st/stm32f746.dtsi b/arch/arm/boot/dts/st/stm32f746.dtsi index d1802efd067c..36eda1562e83 100644 --- a/arch/arm/boot/dts/st/stm32f746.dtsi +++ b/arch/arm/boot/dts/st/stm32f746.dtsi @@ -507,6 +507,16 @@ pwm { }; }; + ltdc: display-controller@40016800 { + compatible = "st,stm32-ltdc"; + reg = <0x40016800 0x200>; + interrupts = <88>, <89>; + resets = <&rcc STM32F7_APB2_RESET(LTDC)>; + clocks = <&rcc 1 CLK_LCD>; + clock-names = "lcd"; + status = "disabled"; + }; + pwrcfg: power-config@40007000 { compatible = "st,stm32-power-config", "syscon"; reg = <0x40007000 0x400>; From patchwork Wed Jul 12 06:29:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 702495 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54818EB64DD for ; Wed, 12 Jul 2023 06:30:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232191AbjGLGaH (ORCPT ); Wed, 12 Jul 2023 02:30:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232081AbjGLG3n (ORCPT ); Wed, 12 Jul 2023 02:29:43 -0400 Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 405D21BC1 for ; Tue, 11 Jul 2023 23:29:27 -0700 (PDT) Received: by mail-lj1-x22d.google.com with SMTP id 38308e7fff4ca-2b6f0508f54so102927421fa.3 for ; Tue, 11 Jul 2023 23:29:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1689143365; x=1691735365; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=jaFWUw9gKjfe3Ukcvgb1jp0d6hB2t/eCpjIsrYyKWTo=; b=fQehUMh02IXnUqs11ZSMB8+hM0rieOkvTmwEQVLV8VBy3v5+bd5MX5ualkxI3PNskM YmZxZCcv5uoER6qjccIz/NAoGEl+hVnbQpOq7L4mVnC8PUe7QVoEleBQoItSZpn6PlVL jhPthpmFJZOUGriG/kDZ6YRm5qlB2pkrK7IHQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689143365; x=1691735365; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jaFWUw9gKjfe3Ukcvgb1jp0d6hB2t/eCpjIsrYyKWTo=; b=HGglWQsOwawymh94TcQXacXuBlcUhJJdZahAyycy9NX0B3p8/rTrElgkgXOHUmt+8k NswWMGlJnGNe55rkxTEnB3SFXH63uLak68irq0IkJUrNUZCkaagOKOojtjS3WmvLsIDk 4+8m9Z353YOiiOaPkK9xIvY+pRLvxH9+QzBPzkaq4CCYUE+q0y4uQ/0NpAfHMdR7MR7e Ua/s3uFQ+QOCB85wRNZ8grNpEN6FPNv7nv8NhwDFdwSHdpH6lRPnDS20GUcEzdi1uyLg lPwh5XEZmRe2TWQJABD8vM5WpUE5swzTXB4fj707V5NMUFa0KsPuxY6bgDjEbEes1I2A xk9A== X-Gm-Message-State: ABy/qLascSBlRKV9m6+MM0nl+reIswnCYHsNYcZsLonjDklSHULBv5TT Y5swJnVPcazxJy3zJofluRRKAg== X-Google-Smtp-Source: APBJJlFddfjiNpXl3v97FZcNWYumrgBFlgTdW/il742NBF7QIBsu0Cys8eDGmBLoo0Jnlw0299DeFA== X-Received: by 2002:a2e:8699:0:b0:2b6:9ebc:daf8 with SMTP id l25-20020a2e8699000000b002b69ebcdaf8mr15337445lji.31.1689143364867; Tue, 11 Jul 2023 23:29:24 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.amarulasolutions.com (host-82-58-49-236.retail.telecomitalia.it. [82.58.49.236]) by smtp.gmail.com with ESMTPSA id d21-20020a170906371500b009890e402a6bsm2065390ejc.221.2023.07.11.23.29.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Jul 2023 23:29:24 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , Raphael Gallais-Pou , Philippe Cornu , michael@amarulasolutions.com, Dario Binacchi , Alexandre Torgue , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v6 2/3] ARM: dts: stm32: add pin map for LTDC on stm32f7 Date: Wed, 12 Jul 2023 08:29:17 +0200 Message-Id: <20230712062918.2248573-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230712062918.2248573-1-dario.binacchi@amarulasolutions.com> References: <20230712062918.2248573-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add pin configurations for using LTDC (LCD-tft Display Controller) on stm32f746-disco board. Signed-off-by: Dario Binacchi --- (no changes since v3) Changes in v3: - rename ltdc-pins-a-0 to ltdc-0. arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi | 35 +++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi index 9f65403295ca..36dad40dd0c7 100644 --- a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi +++ b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi @@ -365,6 +365,41 @@ pins2 { bias-pull-up; }; }; + + + ltdc_pins_a: ltdc-0 { + pins { + pinmux = , /* LCD_B0 */ + , /* LCD_B4 */ + , /* LCD_VSYNC */ + , /* LCD_HSYNC */ + , /* LCD_CLK */ + , /* LCD_R0 */ + , /* LCD_R1 */ + , /* LCD_R2 */ + , /* LCD_R3 */ + , /* LCD_R4 */ + , /* LCD_R5 */ + , /* LCD_R6 */ + , /* LCD_R7 */ + , /* LCD_G0 */ + , /* LCD_G1 */ + , /* LCD_G2 */ + , /* LCD_G3 */ + , /* LCD_G4 */ + , /* LCD_B1 */ + , /* LCD_B2 */ + , /* LCD_B3 */ + , /* LCD_G5 */ + , /* LCD_G6 */ + , /* LCD_G7 */ + , /* LCD_B5 */ + , /* LCD_B6 */ + , /* LCD_B7 */ + ; /* LCD_DE */ + slew-rate = <2>; + }; + }; }; }; }; From patchwork Wed Jul 12 06:29:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 702045 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 436AFEB64DA for ; Wed, 12 Jul 2023 06:30:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232216AbjGLGaK (ORCPT ); Wed, 12 Jul 2023 02:30:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232125AbjGLG3n (ORCPT ); Wed, 12 Jul 2023 02:29:43 -0400 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA6AD1BC9 for ; Tue, 11 Jul 2023 23:29:27 -0700 (PDT) Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-98377c5d53eso818946466b.0 for ; Tue, 11 Jul 2023 23:29:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1689143366; x=1691735366; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=YGihCxuuhTbmdH2hnVIgkw0LhiTdDuWDElMvl2JmI2g=; b=HEETYVF3Cf6caU2IVpn4bhYyehyMrkZj0FSsQW4T2hk5zhXn/NHB7K/kMvUU7kVxMi pouTOgs9goWm/CoaQeWJ67nbqNE7TlU9yviMsfiurJuptNHqKzXFWQK8Q4Wjj6QGS2QQ eKnB7WC7jXlVkFsetY7luStWJHeEZHeZ3nMl4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689143366; x=1691735366; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YGihCxuuhTbmdH2hnVIgkw0LhiTdDuWDElMvl2JmI2g=; b=UtyvTVqb7xGavs1QWE/v981VSOzEM8j56vdTQy9xT9fXAmvlNH4e6NR/RsA5myiA/E ctSx4xgl0O+Rh2IflJcGpER6IdHzOTogk9/SpvS4dVjOIW9LSvDQS8MjdcvGl6X5CqBd hPAgJtCd9e64m87hClf6Rc4ShgPQcULg+oy8QApftyF4QiQoNF3UaI3XPDdhjYRFWe/v hG5Di4y79GXPqIb8+PL8IKfWK2G+zOjxfnE3j+vjC6V/1PWdVd1TJ1SfHTY6XqfaJMUs qvdwPWq3a/FpZtX6Z5tpL3t6hu+MZX97MyXn2/fRWz6VDc5CyuOVcszNV4werKh5BGUZ MmaQ== X-Gm-Message-State: ABy/qLZrfVOFWmTTNbCgvifJ8QP+t1MgiSJZ8T791wT+Kj4oDy4BmhWv Adytd1h6FkH4qy/TqXZydsT6nQ== X-Google-Smtp-Source: APBJJlFF3w23VrtUP2Jho/NHDdyX4yhYeXWYdAdFRNtQms0pVry9bxGVi6Yn1q1w77BPLV2osXrV2Q== X-Received: by 2002:a17:906:15:b0:993:f611:7c95 with SMTP id 21-20020a170906001500b00993f6117c95mr12384538eja.39.1689143366256; Tue, 11 Jul 2023 23:29:26 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.amarulasolutions.com (host-82-58-49-236.retail.telecomitalia.it. [82.58.49.236]) by smtp.gmail.com with ESMTPSA id d21-20020a170906371500b009890e402a6bsm2065390ejc.221.2023.07.11.23.29.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Jul 2023 23:29:25 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , Raphael Gallais-Pou , Philippe Cornu , michael@amarulasolutions.com, Dario Binacchi , Alexandre Torgue , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v6 3/3] ARM: dts: stm32: support display on stm32f746-disco board Date: Wed, 12 Jul 2023 08:29:18 +0200 Message-Id: <20230712062918.2248573-4-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230712062918.2248573-1-dario.binacchi@amarulasolutions.com> References: <20230712062918.2248573-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support to Rocktech RK043FN48H display on stm32f746-disco board. Signed-off-by: Dario Binacchi --- Changes in v6: - Remove dma nodes from stm32f746-disco.dts, they are not used by LTDC, so there is no need to enable them. Changes in v5: I am confident that framebuffer sizing is a real requirement for STM32 boards, but I need some time to understand if and how to introduce this functionality. Therefore, I drop the following patches to allow the series to be fully merged: - [4/6] dt-bindings: display: stm32-ltdc: add optional st,fb-bpp property - [5/6] ARM: dts: stm32: set framebuffer bit depth on stm32f746-disco - [6/6] drm/stm: set framebuffer bit depth through DTS property Changes in v4: - Use DTS property instead of module parameter to set the framebuffer bit depth. Changes in v3: - drop [4/6] dt-bindings: display: simple: add Rocktech RK043FN48H Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next): https://cgit.freedesktop.org/drm/drm-misc/commit/?id=c42a37a27c777d63961dd634a30f7c887949491a - drop [5/6] drm/panel: simple: add support for Rocktech RK043FN48H panel Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next) https://cgit.freedesktop.org/drm/drm-misc/commit/?id=13cdd12a9f934158f4ec817cf048fcb4384aa9dc arch/arm/boot/dts/st/stm32f746-disco.dts | 43 ++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm/boot/dts/st/stm32f746-disco.dts b/arch/arm/boot/dts/st/stm32f746-disco.dts index c11616ed5fc6..c00d34179e2e 100644 --- a/arch/arm/boot/dts/st/stm32f746-disco.dts +++ b/arch/arm/boot/dts/st/stm32f746-disco.dts @@ -60,10 +60,41 @@ memory@c0000000 { reg = <0xC0000000 0x800000>; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + linux,cma { + compatible = "shared-dma-pool"; + no-map; + size = <0x80000>; + linux,dma-default; + }; + }; + aliases { serial0 = &usart1; }; + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpiok 3 GPIO_ACTIVE_HIGH>; + status = "okay"; + }; + + panel_rgb: panel-rgb { + compatible = "rocktech,rk043fn48h"; + backlight = <&backlight>; + enable-gpios = <&gpioi 12 GPIO_ACTIVE_HIGH>; + status = "okay"; + port { + panel_in_rgb: endpoint { + remote-endpoint = <<dc_out_rgb>; + }; + }; + }; + usbotg_hs_phy: usb-phy { #phy-cells = <0>; compatible = "usb-nop-xceiv"; @@ -99,6 +130,18 @@ &i2c1 { status = "okay"; }; +<dc { + pinctrl-0 = <<dc_pins_a>; + pinctrl-names = "default"; + status = "okay"; + + port { + ltdc_out_rgb: endpoint { + remote-endpoint = <&panel_in_rgb>; + }; + }; +}; + &sdio1 { status = "okay"; vmmc-supply = <&mmc_vcard>;