From nobody Sun Feb 8 08:48:30 2026 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 1ADA1C7EE43 for ; Wed, 7 Jun 2023 06:31:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235226AbjFGGb5 (ORCPT ); Wed, 7 Jun 2023 02:31:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235056AbjFGGbw (ORCPT ); Wed, 7 Jun 2023 02:31:52 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 291001BC0 for ; Tue, 6 Jun 2023 23:31:47 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-3f6dfc4e01fso69694715e9.0 for ; Tue, 06 Jun 2023 23:31:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1686119505; x=1688711505; 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=2jBqOeBntw2+ThpWf4KE8BMuMRq2HYj3RR0u0oHiddc=; b=g2j6/JCVxK3TnZWkCdaosIWVIMAC/i6nhFtyu+Re5bfo/RS+chFBZPxNyozCfc90my 23Oir7AD/urej/TP3IhFf5y8O5uP5ydLyWw1O9546HsHgPevZM/lEEMGM6pOckKnQ070 c9O9Krxv0kQzUEMbJow7q/8nGkkAEmplFUkco= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686119505; x=1688711505; 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=2jBqOeBntw2+ThpWf4KE8BMuMRq2HYj3RR0u0oHiddc=; b=E6vbx7gcpX1q1TgILz+kLjWQT9ZfCP5q7h/3Owxby78WrccZ0H3SK26PrMQaDJTIbQ UY/l2ahiaSoXcaPxTNbXpT9lMOXcQmcYQcR8eW2Nxby8KQwDV0waI82oBC0Z4GgrFDlD NtiIFcgMH0uAbpH3RuL4OM3w7xBc+iFUqgcSzc0BT2no+Jyb5AO/ppQE2/j556xvIZKY sbX4VJo+o0O8FjAFjx4/Dlx2freB2RMbir8Gje/UD4gHNl0Y2v2yYI9az/9i+3njc1HZ NJOh6ejBQH7voH/goAFyd0lI9vOOr7yibnShsq08KjyBdP0IHtOb0k8X6pnIJswh30lH ocDw== X-Gm-Message-State: AC+VfDyrNyuuZqIBKBa21NuIHxjzdOEMSYL2I5Zw//iYeo+B35K8wOnd 5QdH4vsqE4rSO9alNqH0zXtutRrUQSNljjNj48yxRA== X-Google-Smtp-Source: ACHHUZ7swwk8nHZHRKO2QFZgoHwZJa+Z94Ki4ZMTiNvDjHj307W1KcYe3A0JolZaW1dRw+WElacJZQ== X-Received: by 2002:a05:600c:2158:b0:3f7:2e57:d3af with SMTP id v24-20020a05600c215800b003f72e57d3afmr5795147wml.11.1686119505366; Tue, 06 Jun 2023 23:31:45 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.. ([37.159.114.163]) by smtp.gmail.com with ESMTPSA id m6-20020adff386000000b0030630120e56sm14385127wro.57.2023.06.06.23.31.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 23:31:44 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Raphael Gallais-Pou , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Philippe Cornu , Amarula patchwork , Maxime Coquelin , michael@amarulasolutions.com, linux-stm32@st-md-mailman.stormreply.com, Alexandre Torgue , Dario Binacchi , Conor Dooley , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org Subject: [RESEND PATCH v2 1/6] ARM: dts: stm32: add ltdc support on stm32f746 MCU Date: Wed, 7 Jun 2023 08:31:34 +0200 Message-Id: <20230607063139.621351-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> References: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add LTDC (Lcd-tft Display Controller) support. Signed-off-by: Dario Binacchi --- (no changes since v1) arch/arm/boot/dts/stm32f746.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746= .dtsi index dc868e6da40e..9c4ba0b7f239 100644 --- a/arch/arm/boot/dts/stm32f746.dtsi +++ b/arch/arm/boot/dts/stm32f746.dtsi @@ -507,6 +507,16 @@ pwm { }; }; =20 + ltdc: display-controller@40016800 { + compatible =3D "st,stm32-ltdc"; + reg =3D <0x40016800 0x200>; + interrupts =3D <88>, <89>; + resets =3D <&rcc STM32F7_APB2_RESET(LTDC)>; + clocks =3D <&rcc 1 CLK_LCD>; + clock-names =3D "lcd"; + status =3D "disabled"; + }; + pwrcfg: power-config@40007000 { compatible =3D "st,stm32-power-config", "syscon"; reg =3D <0x40007000 0x400>; --=20 2.32.0 From nobody Sun Feb 8 08:48:30 2026 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 4BE6CC7EE43 for ; Wed, 7 Jun 2023 06:32:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235056AbjFGGcC (ORCPT ); Wed, 7 Jun 2023 02:32:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234897AbjFGGbz (ORCPT ); Wed, 7 Jun 2023 02:31:55 -0400 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D49A81AC for ; Tue, 6 Jun 2023 23:31:48 -0700 (PDT) Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-3f6a6b9c079so56661265e9.1 for ; Tue, 06 Jun 2023 23:31:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1686119507; x=1688711507; 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=3QAQ0RCZfE4mrNQglSUgy3WeBMWWHrgZHNbJHgr6400=; b=h2Pc0QIyc0c+Ese5gn0TQbG4jtXqWPFGxlfBBI4qujJ5j/PoVbvqSoaNEQ5xdAEJ8r wG5F7picdZbAFya6ifGi2vPrn206t16wb3TdMMWdCXBPR3DwE1124jwS8JPUaU59iIH2 YcvO5fxeJnu0eXHh6LljL7+ZFDLu59JPVXN6g= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686119507; x=1688711507; 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=3QAQ0RCZfE4mrNQglSUgy3WeBMWWHrgZHNbJHgr6400=; b=JpacvGy5m3+IxHll8unjxPpgZFcneLOXQ96r/0mWmjhllphob2zZQ1/ygqOm5kxPEt 32ZVCyr1TaDqOVofmd4Mth57bpXkOR/zCplZYxwjza4gdOXA40mHIMp4rhKLgER2hYyU NHd4inYbAK6tPOZIcV5ejEh66Y4rfKlnW33rJkKFjaqP3TNkJqXcZH1o1wZ04Q3VBepm o78hfqH+ZaH3u4dnlxHkI9gnzHfHq/rHLLZ111efnH935mYfdFdyhxn+Gr6m16k493yf G2X0/hdb7RKi0S22qFLBBeT0ekpWQBN9DPdcaFQcl3uP2+ixtmf1FUGz+GTMPOyIoanm GVWg== X-Gm-Message-State: AC+VfDytkMxAmq/L5ZPRCHX4RWHTIpy/23PykcoY0tpXKaChAZNxOwOj SLK1NaeLUsU4RbZnxtUUnC2VeGCQUzzoL3qHc9Dchg== X-Google-Smtp-Source: ACHHUZ7YZTDYHHtSg4VapoT8aZYSlojLOeUjs9KetpEEeslYwDaHLlqO6B8dQBlh72zVsbfiDNKagw== X-Received: by 2002:a1c:4c11:0:b0:3f7:408e:b89a with SMTP id z17-20020a1c4c11000000b003f7408eb89amr3494250wmf.37.1686119507059; Tue, 06 Jun 2023 23:31:47 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.. ([37.159.114.163]) by smtp.gmail.com with ESMTPSA id m6-20020adff386000000b0030630120e56sm14385127wro.57.2023.06.06.23.31.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 23:31:46 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Raphael Gallais-Pou , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Philippe Cornu , Amarula patchwork , Maxime Coquelin , michael@amarulasolutions.com, linux-stm32@st-md-mailman.stormreply.com, Alexandre Torgue , Dario Binacchi , Conor Dooley , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org Subject: [RESEND PATCH v2 2/6] ARM: dts: stm32: add pin map for LTDC on stm32f7 Date: Wed, 7 Jun 2023 08:31:35 +0200 Message-Id: <20230607063139.621351-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> References: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add pin configurations for using LTDC (LCD-tft Display Controller) on stm32f746-disco board. Signed-off-by: Dario Binacchi --- (no changes since v1) arch/arm/boot/dts/stm32f7-pinctrl.dtsi | 35 ++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/stm= 32f7-pinctrl.dtsi index 9f65403295ca..f3f90b9bcd61 100644 --- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi @@ -365,6 +365,41 @@ pins2 { bias-pull-up; }; }; + + + ltdc_pins_a: ltdc-pins-a-0 { + pins { + pinmux =3D , /* 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 =3D <2>; + }; + }; }; }; }; --=20 2.32.0 From nobody Sun Feb 8 08:48:30 2026 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 031D6C7EE29 for ; Wed, 7 Jun 2023 06:32:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237323AbjFGGcG (ORCPT ); Wed, 7 Jun 2023 02:32:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234420AbjFGGb4 (ORCPT ); Wed, 7 Jun 2023 02:31:56 -0400 Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F9851730 for ; Tue, 6 Jun 2023 23:31:50 -0700 (PDT) Received: by mail-wm1-x329.google.com with SMTP id 5b1f17b1804b1-3f73617a292so38379675e9.2 for ; Tue, 06 Jun 2023 23:31:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1686119509; x=1688711509; 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=tlm5X0f1SJIUHEa+Ch7CRBAmlhS5LXsyaOP8GZ1/KKI=; b=bzMNTxZK/4hAhbCJfyfkajbjSZHcrJlJ/ANGEgI8Xc2LZi/1j3XIaARW8OaUk1oUNt xVXHCzLxMc+NJPP7tmKJXtlG0YFtoAOv6eKRl6cIeAXRzBEeZFxDxGMzfM6EQiFdDCoG UlbJzxvd+HoA7k7tgjRYe/4BsTTBBkPNUkICY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686119509; x=1688711509; 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=tlm5X0f1SJIUHEa+Ch7CRBAmlhS5LXsyaOP8GZ1/KKI=; b=H/sTvA4tsp18oD6YD7HflObQqMqZH5UPrpglRwKctSl6F8/+GrpBKrq2xV39K51YJ5 M3CxZetb5UcJfenpEUk0vYS/5Lymou6I+AcSbBKUX8Zd2MFEu3AQzbo8A8OJly+TSlps vPS1p8/sZla2/TULk0Mi/yiPrFzmtnCqBeu61BUkd0ylAifUbwoeRX5FTVO6Hxx6NbbQ 9v3XtJnuCG/IeIElrEZVYKmwUHF0yQB+KvlebdXeCKmaR+yUY1wjwvnBC8qcrlwnhBf7 9Tx0EEm0lEtg8gE47UYex8SBdmiw7Y5w5JCa4y1C3KM68JY5qa+5slE+N76ugeXOMSEO W7PA== X-Gm-Message-State: AC+VfDwdi6z39YuRGUeJFNBvCC9Jc1Ev/stdn1HUy1q4MnGwflK67M31 ewTjQSI3Vp+5TDrNhuQW/1M4HBVs5PZ8RdhbJZ0M5g== X-Google-Smtp-Source: ACHHUZ6ixe3R4kTg2jdLqsiTsvsMwIkzn0sw/3lIsOWGtuw4V3ztP1iDpCLGs/weEh3bWDKm3W6iSg== X-Received: by 2002:adf:eac1:0:b0:30e:5729:b5a5 with SMTP id o1-20020adfeac1000000b0030e5729b5a5mr1086540wrn.38.1686119508799; Tue, 06 Jun 2023 23:31:48 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.. ([37.159.114.163]) by smtp.gmail.com with ESMTPSA id m6-20020adff386000000b0030630120e56sm14385127wro.57.2023.06.06.23.31.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 23:31:48 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Raphael Gallais-Pou , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Philippe Cornu , Amarula patchwork , Maxime Coquelin , michael@amarulasolutions.com, linux-stm32@st-md-mailman.stormreply.com, Alexandre Torgue , Dario Binacchi , Conor Dooley , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org Subject: [RESEND PATCH v2 3/6] ARM: dts: stm32: support display on stm32f746-disco board Date: Wed, 7 Jun 2023 08:31:36 +0200 Message-Id: <20230607063139.621351-4-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> References: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add support to Rocktech RK043FN48H display on stm32f746-disco board. Signed-off-by: Dario Binacchi --- (no changes since v1) arch/arm/boot/dts/stm32f746-disco.dts | 51 +++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm3= 2f746-disco.dts index c11616ed5fc6..cda423b6a874 100644 --- a/arch/arm/boot/dts/stm32f746-disco.dts +++ b/arch/arm/boot/dts/stm32f746-disco.dts @@ -60,10 +60,41 @@ memory@c0000000 { reg =3D <0xC0000000 0x800000>; }; =20 + reserved-memory { + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges; + + linux,cma { + compatible =3D "shared-dma-pool"; + no-map; + size =3D <0x80000>; + linux,dma-default; + }; + }; + aliases { serial0 =3D &usart1; }; =20 + backlight: backlight { + compatible =3D "gpio-backlight"; + gpios =3D <&gpiok 3 GPIO_ACTIVE_HIGH>; + status =3D "okay"; + }; + + panel_rgb: panel-rgb { + compatible =3D "rocktech,rk043fn48h"; + backlight =3D <&backlight>; + enable-gpios =3D <&gpioi 12 GPIO_ACTIVE_HIGH>; + status =3D "okay"; + port { + panel_in_rgb: endpoint { + remote-endpoint =3D <<dc_out_rgb>; + }; + }; + }; + usbotg_hs_phy: usb-phy { #phy-cells =3D <0>; compatible =3D "usb-nop-xceiv"; @@ -99,6 +130,26 @@ &i2c1 { status =3D "okay"; }; =20 +&dma1 { + status =3D "okay"; +}; + +&dma2 { + status =3D "okay"; +}; + +<dc { + pinctrl-0 =3D <<dc_pins_a>; + pinctrl-names =3D "default"; + status =3D "okay"; + + port { + ltdc_out_rgb: endpoint { + remote-endpoint =3D <&panel_in_rgb>; + }; + }; +}; + &sdio1 { status =3D "okay"; vmmc-supply =3D <&mmc_vcard>; --=20 2.32.0 From nobody Sun Feb 8 08:48:30 2026 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 1CC04C7EE29 for ; Wed, 7 Jun 2023 06:33:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234439AbjFGGcb (ORCPT ); Wed, 7 Jun 2023 02:32:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234458AbjFGGb4 (ORCPT ); Wed, 7 Jun 2023 02:31:56 -0400 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5AEE1735 for ; Tue, 6 Jun 2023 23:31:52 -0700 (PDT) Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-3f6e1394060so58493535e9.3 for ; Tue, 06 Jun 2023 23:31:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1686119511; x=1688711511; 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=+N6ncdPhuJx70XZ6yjaTOtXW/wJdhXZgpqu86CyLnmg=; b=iSFhC91P61leOakC3ZYDB1vfHeGButTdGDM1hW2MzuCfi7TC+dUY0TPp87E5Gwzxxo h1o6UEBegakpxBiWmhOhHQNcKItVaIWq4KsvQsneKZ0iK3g19qU++mCSiiVscT1xka+X S7IGHfHgN7WvF22pGm+WjoUgdt42UbaeJaUH8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686119511; x=1688711511; 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=+N6ncdPhuJx70XZ6yjaTOtXW/wJdhXZgpqu86CyLnmg=; b=Jb7xUPRziyl5JzNYA/DvYuc9/KDmtujLlP5nI7dHtqogHd0nqUloxgrZ7B6+BtxpS+ Euce3U2MTO6wbc7wru0PYEMUBRmv8ouJonDoD1Xc1/CpZRl9lW8h+9w1SYo609avN8lU NrMpGm5BqLZLFUgKR0eZ5eEPqslHidG3OcPB2USEw9+yafVePOju27IpbDxv3itFqzyC iz4jXMOV8iuBSa0M8BdIksRy0tsT5nMSqiE52sx/urraOe5rb73WmFL/v9e/H8nZVmCo 6A1u4GnUKNvQVfciD4gr/6ejX94RdyxyxeF09Jfm75WnTV+mfIZ3HrHup+BKqJAm9Dwe YD9A== X-Gm-Message-State: AC+VfDwlZcWMI6/vjv5UripNgIrGkptMjWcSbhACfgNp14lQlElVtYHO MMWqjA/GYNe9Siqjdx4fOKg83nmQRZaEV2k5coZEqg== X-Google-Smtp-Source: ACHHUZ5a8gfVu2axekyl+99oSLUzWfSPuWuaqcQZYuCkNPZ73b9TII++3uuK7xQc96qqlkKElumaFA== X-Received: by 2002:adf:e80f:0:b0:30e:59e9:5e1f with SMTP id o15-20020adfe80f000000b0030e59e95e1fmr732503wrm.65.1686119511073; Tue, 06 Jun 2023 23:31:51 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.. ([37.159.114.163]) by smtp.gmail.com with ESMTPSA id m6-20020adff386000000b0030630120e56sm14385127wro.57.2023.06.06.23.31.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 23:31:50 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Raphael Gallais-Pou , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Philippe Cornu , Amarula patchwork , Maxime Coquelin , michael@amarulasolutions.com, linux-stm32@st-md-mailman.stormreply.com, Alexandre Torgue , Dario Binacchi , Conor Dooley , Conor Dooley , Daniel Vetter , David Airlie , Krzysztof Kozlowski , Neil Armstrong , Rob Herring , Sam Ravnborg , Thierry Reding , devicetree@vger.kernel.org Subject: [RESEND PATCH v2 4/6] dt-bindings: display: simple: add Rocktech RK043FN48H Date: Wed, 7 Jun 2023 08:31:37 +0200 Message-Id: <20230607063139.621351-5-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> References: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add compatible to panel-simple for Rocktech Displays Limited RK043FN48H 4.3" 480x272 LCD-TFT panel. Signed-off-by: Dario Binacchi Acked-by: Conor Dooley Reviewed-by: Jagan Teki Reviewed-by: Raphael Gallais-Pou --- Changes in v2: - Add 'Acked-by' tag of Conor Dooley. .../devicetree/bindings/display/panel/panel-simple.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.y= aml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml index 01560fe226dd..bd6a92d2b41c 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml @@ -280,6 +280,8 @@ properties: - rocktech,rk101ii01d-ct # Rocktech Display Ltd. RK070ER9427 800(RGB)x480 TFT LCD panel - rocktech,rk070er9427 + # Rocktech Display Ltd. RK043FN48H 4.3" 480x272 LCD-TFT panel + - rocktech,rk043fn48h # Samsung 13.3" FHD (1920x1080 pixels) eDP AMOLED panel - samsung,atna33xc20 # Samsung 12.2" (2560x1600 pixels) TFT LCD panel --=20 2.32.0 From nobody Sun Feb 8 08:48:30 2026 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 5D750C77B7A for ; Wed, 7 Jun 2023 06:33:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235246AbjFGGch (ORCPT ); Wed, 7 Jun 2023 02:32:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234663AbjFGGb5 (ORCPT ); Wed, 7 Jun 2023 02:31:57 -0400 Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD6DFAA for ; Tue, 6 Jun 2023 23:31:53 -0700 (PDT) Received: by mail-wm1-x336.google.com with SMTP id 5b1f17b1804b1-3f732d37d7cso41478415e9.2 for ; Tue, 06 Jun 2023 23:31:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1686119513; x=1688711513; 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=QVzHDRPJNZ9IK1tuBeqT97BbWRZLa0+X8FPJl3jJUF8=; b=UYvhY2b4HirdovbXfPtrGbUTJmn6mv0vjtYgUpqMd26yDC895U6FxmXqgAGGLQenPB FYBFTQymCHZR9yDzHZpZtmUct4e7yOQVQxu9U1J+GoTgNqgB2sTkk86EzY+LrPiny4+E xtH62ZWLxxlheBL841A43Q3wpYHfq0ZPA7qsY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686119513; x=1688711513; 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=QVzHDRPJNZ9IK1tuBeqT97BbWRZLa0+X8FPJl3jJUF8=; b=AJSlhbG0s6AOFVShYuj67MKZwGznMNBoifr/dWFAsGTEr8M29LNfP+l4pkPAYm4Cnl IBlJpoDxu1DlZroP0CvjpAaBmuKmX6/jgrmVpk2CvXc9MWewHkK0rAr71UfYhTjECC+Z /Pz58HyEYx1WWdGHx9nuv8y6cpGizh/f9d4VumifqZ0KgQn/Dd1y3IBRfIcYLSErPs1G KpYugLVkLRjFc7PSke5pMSqCjWVFjgSNHkbDeaQyLAdj+KDyc4tKl2SpTiJiqA5gRQMc t3r/jJoHtHD+jvXDlLCk6D0K+PKfJoIZy/Y9nrno8G78ZTKIaM8ttlBB3bD9tyyNApTp Pfuw== X-Gm-Message-State: AC+VfDyFuwavByAdfgJx/lATAdiw7GUjIA6pC9ZSQOKboH0ZRIdg4WSa ckkC0RxNTRE7DOGmDXK8wBeigHFy8QeXofvInsnVSg== X-Google-Smtp-Source: ACHHUZ7femRg72fKhwkXtOViccaCRPhvLbf87oH15MUY/N6uqJKzd9GvRbot+SgLThtMLLZ1M23wWg== X-Received: by 2002:adf:eb88:0:b0:309:38f4:fb52 with SMTP id t8-20020adfeb88000000b0030938f4fb52mr5870830wrn.9.1686119512971; Tue, 06 Jun 2023 23:31:52 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.. ([37.159.114.163]) by smtp.gmail.com with ESMTPSA id m6-20020adff386000000b0030630120e56sm14385127wro.57.2023.06.06.23.31.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 23:31:52 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Raphael Gallais-Pou , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Philippe Cornu , Amarula patchwork , Maxime Coquelin , michael@amarulasolutions.com, linux-stm32@st-md-mailman.stormreply.com, Alexandre Torgue , Dario Binacchi , kernel test robot , Daniel Vetter , David Airlie , Neil Armstrong , Sam Ravnborg Subject: [RESEND PATCH v2 5/6] drm/panel: simple: add support for Rocktech RK043FN48H panel Date: Wed, 7 Jun 2023 08:31:38 +0200 Message-Id: <20230607063139.621351-6-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> References: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add support for Rocktech RK043FN48H 4.3" (480x272) LCD-TFT panel. Signed-off-by: Dario Binacchi Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202306020343.jNTWeM0P-lkp@int= el.com/ Reviewed-by: Jagan Teki --- Changes in v2: - Fix build warning reported by kernel test robot. - Add 'Reported-by' tag of kernel test robot. drivers/gpu/drm/panel/panel-simple.c | 29 ++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/p= anel-simple.c index 065f378bba9d..3b10e78d07d9 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -3188,6 +3188,32 @@ static const struct panel_desc qishenglong_gopher2b_= lcd =3D { .connector_type =3D DRM_MODE_CONNECTOR_DPI, }; =20 +static const struct display_timing rocktech_rk043fn48h_timing =3D { + .pixelclock =3D { 6000000, 9000000, 12000000 }, + .hactive =3D { 480, 480, 480 }, + .hback_porch =3D { 8, 43, 43 }, + .hfront_porch =3D { 2, 8, 8 }, + .hsync_len =3D { 1, 1, 1 }, + .vactive =3D { 272, 272, 272 }, + .vback_porch =3D { 2, 12, 12 }, + .vfront_porch =3D { 1, 4, 4 }, + .vsync_len =3D { 1, 10, 10 }, + .flags =3D DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_HSYNC_LOW | + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE, +}; + +static const struct panel_desc rocktech_rk043fn48h =3D { + .timings =3D &rocktech_rk043fn48h_timing, + .num_timings =3D 1, + .bpc =3D 8, + .size =3D { + .width =3D 95, + .height =3D 54, + }, + .bus_format =3D MEDIA_BUS_FMT_RGB888_1X24, + .connector_type =3D DRM_MODE_CONNECTOR_DPI, +}; + static const struct display_timing rocktech_rk070er9427_timing =3D { .pixelclock =3D { 26400000, 33300000, 46800000 }, .hactive =3D { 800, 800, 800 }, @@ -4218,6 +4244,9 @@ static const struct of_device_id platform_of_match[] = =3D { }, { .compatible =3D "qishenglong,gopher2b-lcd", .data =3D &qishenglong_gopher2b_lcd, + }, { + .compatible =3D "rocktech,rk043fn48h", + .data =3D &rocktech_rk043fn48h, }, { .compatible =3D "rocktech,rk070er9427", .data =3D &rocktech_rk070er9427, --=20 2.32.0 From nobody Sun Feb 8 08:48:30 2026 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 6C0C6C83003 for ; Wed, 7 Jun 2023 06:33:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237311AbjFGGck (ORCPT ); Wed, 7 Jun 2023 02:32:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235241AbjFGGcD (ORCPT ); Wed, 7 Jun 2023 02:32:03 -0400 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AACA71725 for ; Tue, 6 Jun 2023 23:31:56 -0700 (PDT) Received: by mail-wr1-x42f.google.com with SMTP id ffacd0b85a97d-30af20f5f67so6827222f8f.1 for ; Tue, 06 Jun 2023 23:31:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1686119514; x=1688711514; 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=yAW+zzizoPdH0S/aO5WCXuWp95MvJ4568t/x7rERkZ8=; b=oij5WgWkvYYOUtEp7mGMYwADDCD01LfrAmCNgml9W85dFDuFYvvNhkENHGeXh9Cq9u 3pK6gWcbQ7t2LYbZXgI0BCw/6fRRB5PeqRjLTlBbp+ET9axLadAiZztH4few/0KIz34X QJqbD/+9emeAKB44hrtPdlFjhs5oBzK5xrdwM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686119514; x=1688711514; 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=yAW+zzizoPdH0S/aO5WCXuWp95MvJ4568t/x7rERkZ8=; b=RlCn9Bn2wHYyCgj30TJgFVWCTO/Nq7fo1GYh/G2/eOG0eyrHy1Fws4q93dc1IMAuzh fg216sNZ0JAyECkNsNLJBkpDQbioTaY8gPmrq53OLXQzsVT8eaidmGqTIuoV0aREy2gQ ON0nKBLrb6BsiN2QNrn88x50KTeYjWozKbGOp2HTyxbVlDUi3PEEwnFFX3VCkbe5+6Dt nAjY3+NHoGvhxR1O8UPrAXYYV/vHUpeM4TG/MRpTp355uqamKt9mNWNtpnlMdbOYSVQt gE57AV+oqf+d66f71j18mnBP/iUhuk33Q++1UzZ3tOeAb+uvYRsUzBNiFP8YiVhIf2Bu CmuQ== X-Gm-Message-State: AC+VfDwJPQ+Q3c9uFXPMUGGUoI2h2WxtF6vWCLiR9TmfFDoBHOmHsBtG qLubbU4Ayfk1iUaewTMKlhEvw3svFYDxmLs/+YKAzg== X-Google-Smtp-Source: ACHHUZ43EByLSLWH1Hp4CJmVlLkzIZdJ1bFJA5cBLjDViBWwpcPQQjpHCIvTkQJTIAxM2+k+COUtcA== X-Received: by 2002:a5d:420e:0:b0:306:3b78:fe33 with SMTP id n14-20020a5d420e000000b003063b78fe33mr3151485wrq.32.1686119514598; Tue, 06 Jun 2023 23:31:54 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.. ([37.159.114.163]) by smtp.gmail.com with ESMTPSA id m6-20020adff386000000b0030630120e56sm14385127wro.57.2023.06.06.23.31.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 23:31:54 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Raphael Gallais-Pou , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Philippe Cornu , Amarula patchwork , Maxime Coquelin , michael@amarulasolutions.com, linux-stm32@st-md-mailman.stormreply.com, Alexandre Torgue , Dario Binacchi , Daniel Vetter , David Airlie , Yannick Fertre Subject: [RESEND PATCH v2 6/6] drm/stm: add an option to change FB bpp Date: Wed, 7 Jun 2023 08:31:39 +0200 Message-Id: <20230607063139.621351-7-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> References: <20230607063139.621351-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Boards that use the STM32F{4,7} series have limited amounts of RAM. The added parameter allows users to size, within certain limits, the memory footprint required by the framebuffer. Signed-off-by: Dario Binacchi --- (no changes since v1) drivers/gpu/drm/stm/drv.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 422220df7d8c..65be2b442a6a 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -30,6 +30,11 @@ #define STM_MAX_FB_WIDTH 2048 #define STM_MAX_FB_HEIGHT 2048 /* same as width to handle orientation */ =20 +static uint stm_bpp =3D 16; + +MODULE_PARM_DESC(bpp, "bits-per-pixel (default: 16)"); +module_param_named(bpp, stm_bpp, uint, 0644); + static const struct drm_mode_config_funcs drv_mode_config_funcs =3D { .fb_create =3D drm_gem_fb_create, .atomic_check =3D drm_atomic_helper_check, @@ -93,6 +98,7 @@ static int drv_load(struct drm_device *ddev) ddev->mode_config.min_height =3D 0; ddev->mode_config.max_width =3D STM_MAX_FB_WIDTH; ddev->mode_config.max_height =3D STM_MAX_FB_HEIGHT; + ddev->mode_config.preferred_depth =3D stm_bpp; ddev->mode_config.funcs =3D &drv_mode_config_funcs; ddev->mode_config.normalize_zpos =3D true; =20 @@ -203,7 +209,7 @@ static int stm_drm_platform_probe(struct platform_devic= e *pdev) if (ret) goto err_put; =20 - drm_fbdev_dma_setup(ddev, 16); + drm_fbdev_dma_setup(ddev, stm_bpp); =20 return 0; =20 --=20 2.32.0