From patchwork Fri Jun 2 10:21:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 13265034 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 34043C7EE2F for ; Fri, 2 Jun 2023 10:22:08 +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=ccyxSCvQhcYH0UIsTsNLTQaRFQ9e/KQctrZqXbipolQ=; b=L5tb5VSVSD3xWU OhZEZc2WxJm/oIloJx6jiJdFGPXD+oivzosaZPAkIRzNMzWKiHBN8SJ0NdELSsDOA1CD2DmQTYS3K 7TV+5YQZct84bJAlmeG2otOnL6ACPkWAjeU8oXwzq7kqBENsiz5EJunBsj7QnImDnBPdxqrJa9qh1 sDG04o6fBEWqBjrimfi5PJfj9Rc4to9+TIy812Qqknd2501OPeGMpRuVbZJUagp84/nSN89SLVVbS inMRJ484elZPSRN3lP7+7iXg5Sjmm+tCufVj5EdAOG7MxYjUE5kX+awUKYHkvapV3UpVdE3qanw2g JHVWDKS24NTpKS9zpypQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q51ue-006UuH-1s; Fri, 02 Jun 2023 10:21:40 +0000 Received: from mail-lj1-x230.google.com ([2a00:1450:4864:20::230]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q51ub-006UsY-2Z for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 10:21:39 +0000 Received: by mail-lj1-x230.google.com with SMTP id 38308e7fff4ca-2af2d092d7aso26915321fa.2 for ; Fri, 02 Jun 2023 03:21:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1685701294; x=1688293294; 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=kDwCkNaE67Q0xUnrv6y3DR8jLIIS8R9c9QKIj9k4/HDG9shGyNJc2foYrF04sUyYzi wFf2hmqJMxPT9qwyw3s7IFZI9Z/9Su/GFyHb06gOC0kKp63hsWwD4ADpHRkRWIGPcUng 3IoJjsZ7X1XaHRY7eJBjBPRJRcW4sDECsPsC0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685701294; x=1688293294; 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=JkIjAs28EXq8Balstk6p57A0QgMchSLC5rwH2PLU7I+xRCLdTZv4Q9Tc+7rUK5be5i /z+jrjc1N62IPmoRkcBSd175TMaWHwl3beULf6k3dxPsope1m3MR4lskQKd+EfgQwXHD u9ZRAbWdPDDioukCrjT6akeUj7ZwbVyEq1pHQxShZwtVxlL4xmErqFIdpZVm9cGVM96X 2mm301GbGu/e1BpwP+EOyo5yr7wQj7i2Rq0Llx/DGcXKjarZ+jxwgKXqLd+V1y+dpdCh sYBZfw0zNhHArV5vlbzMyuOckvdZ515X56O5TD/WeCJ03nYTVxQ4hqEQiurZrz/DVREh JBWw== X-Gm-Message-State: AC+VfDzm101GA1G9hdP7vlueGT14it0l9M3yGlsreq/r0UMCwqgqH7XT Eo0MvTRZvpuhPgYraxka9v/W8g== X-Google-Smtp-Source: ACHHUZ7qNYOTd62VO/6IL66B8KwBoBWo35rkkPU2puqC/C52R5d2ygI24jDexCF3WiO0CEv1gBe8iw== X-Received: by 2002:a2e:3a03:0:b0:2b1:abdb:8783 with SMTP id h3-20020a2e3a03000000b002b1abdb8783mr1002587lja.41.1685701294571; Fri, 02 Jun 2023 03:21:34 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it (host-95-248-31-20.retail.telecomitalia.it. [95.248.31.20]) by smtp.gmail.com with ESMTPSA id x24-20020aa7d398000000b0051499320435sm528887edq.14.2023.06.02.03.21.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jun 2023 03:21:34 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , 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 v2 1/6] ARM: dts: stm32: add ltdc support on stm32f746 MCU Date: Fri, 2 Jun 2023 12:21:17 +0200 Message-Id: <20230602102123.3345587-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> References: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230602_032137_836141_744F8E6B X-CRM114-Status: GOOD ( 10.43 ) 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 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 { }; }; + 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 Fri Jun 2 10:21:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 13265037 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 3A859C7EE2E for ; Fri, 2 Jun 2023 10:22:11 +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=bWeCMrbB8Z7SABgmKq/XJTpfUlyuW6/RD6BJGgZ6Nrg=; b=KGUQdIOIqZkyVT uu6fvNlmkY8qpNTHDM1YtI8fratX2Vo7Xj++UWknWUw0HihqMPCqR+EtBH025tH1j40Sh+28Z0K4F Cfsoa6emLe2cPhyvbT9EHLUpavKsB0gYausvcwotMyX2T0eOGhCGtouE4l30uWTrFwllh6tejU5as 36lgUJRnUSFQdKJMJM10VmxR5w9byEnY0FVDl/ibqj18CTylzNgXOSZZvz2QWeEi7dk9+EACg9OSl Xhv6ZKA8RXd85XAEIg2ugpoUVrTFK8n00TW7cyEMqiXXPzclPVbS6imTAWeFvwDzL2IRnLRRiyZ3r DkbVdqarSX3wGSd8Ix3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q51ui-006UwG-1K; Fri, 02 Jun 2023 10:21:44 +0000 Received: from mail-ed1-x52a.google.com ([2a00:1450:4864:20::52a]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q51ud-006Usi-1X for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 10:21:40 +0000 Received: by mail-ed1-x52a.google.com with SMTP id 4fb4d7f45d1cf-5147f7d045bso2796101a12.2 for ; Fri, 02 Jun 2023 03:21:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1685701296; x=1688293296; 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=MohSPCp+T2mvCwQJQkXDSr2pIIK7LMXED1x0wnhAoFrmm4pioP8C9Fn/ocKRM3MupC CI02i28lY02RqSnH2OZzpjdZoABhhGFzddmg8/goVFhG3mOlahW4m4iYu0WbNNGk/zvF iXyX4uwTIOY1CoqxTc9D+oePxqtntHmlW+ZS4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685701296; x=1688293296; 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=YajjsgRHB14M3yBczxt87qFN7aOm7gNQtV+H4cuMfK5HMkd58558Y9YdmUlQmT7qN5 VjhGRFpZVTc/pGuMlX8F6wHLcb+XjRrlNmTkVuOkEAUegOJ1bFIrQDKLVko0lrWVJsyO JrQsPZww2DsLKviNm9KWSID9nhyqHQcMEI5hq56jbs/vomNLPzlE4oPxDA9qIHvrZXIT 2TyUnkyVCcUKs5Rj2YwKA0c+EkY1RwCjthmEmpXYDYtPGqZWjGRze4bgTx/EaL1abrNr jYVRHwEWl7gVp9pk49um8qPfnamBQsOvjWZ0U9Gowh1EK8KLi6Bi00ximbgzhiIvAvnH 3eCQ== X-Gm-Message-State: AC+VfDwh2pnM3jnDX7fkZOlH5iVJi5UYMMZyKKsyLX7KW+wRkZfdoqai c83DrYYZ2Pm363zbGkQy4ws1aQ== X-Google-Smtp-Source: ACHHUZ4mSRyVJK7TLliTH0Gn8nnXNMMpX1PS+2bDrpqL11esL61U/z7qzKi946JmTQmikDOsCKgz4g== X-Received: by 2002:aa7:d441:0:b0:514:9e3c:d82e with SMTP id q1-20020aa7d441000000b005149e3cd82emr1755208edr.14.1685701296176; Fri, 02 Jun 2023 03:21:36 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it (host-95-248-31-20.retail.telecomitalia.it. [95.248.31.20]) by smtp.gmail.com with ESMTPSA id x24-20020aa7d398000000b0051499320435sm528887edq.14.2023.06.02.03.21.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jun 2023 03:21:35 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , 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 v2 2/6] ARM: dts: stm32: add pin map for LTDC on stm32f7 Date: Fri, 2 Jun 2023 12:21:18 +0200 Message-Id: <20230602102123.3345587-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> References: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230602_032139_512585_1D279122 X-CRM114-Status: GOOD ( 10.86 ) 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 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/stm32f7-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 = , /* 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 Fri Jun 2 10:21:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 13265035 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 8DFD9C7EE24 for ; Fri, 2 Jun 2023 10:22:09 +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=Fy3IfJaXMQCLrL/taAbsFfFer0zIvyUFBmWBmg9yZjo=; b=TX8gChm7oAmFIW loaBlIhW5PNM2LhXnASpWoPKPTNorvNgVf64O09enf5lBdJy11cBgUMFf0dQBvLOpAUdwOZUgY7pO V8Wv4ohoZmnzaSn5Ivps6XnitiUjNkTwuxEaRpujlg/lswq8DVj86dygQNdJ5JLXeLJyKcXRDN2pR ElUu1VCM13/ximoWU8u/fCjZuVrrEnhMzDY/FuUPVZt85pZie9Jg9LTw9j2ww3JR4TBEk/k8ml46n tSwR8VSi8e1jY2YeEePJfoZex2tClPVobEUuUOfhfC0Bevuos9MiExHZ6t952pHUTHgGNDpLr6aTC F1Q47rlkWVJUgL0OjfaA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q51uk-006Uwg-01; Fri, 02 Jun 2023 10:21:46 +0000 Received: from mail-ed1-x52e.google.com ([2a00:1450:4864:20::52e]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q51uf-006Ut4-0X for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 10:21:42 +0000 Received: by mail-ed1-x52e.google.com with SMTP id 4fb4d7f45d1cf-51493ec65d8so2759066a12.2 for ; Fri, 02 Jun 2023 03:21:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1685701297; x=1688293297; 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=dKNDTUc5GWxmNVpO0hSi+LT5wi86h1Qt4xjEcapRn/pCf5bEu4VvXaLEhGOqCbsemD 1GxvShFnnr5s80Jb8Ddo65hgCGg55+zcmpE8fjFyl+fHXMqreR9SMD/mHRb1mC6jtvkC addZVekgyLsnZlOZQgZfaIJRXy8Pm2lpJjTCA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685701297; x=1688293297; 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=hGnEDKKqhJBSd9cqLJZdH3IacuvkgMGqc0gPLEnkjQmiyLeiMMNtOVfdHUyiAMvSTU dF6blF8BfqyptW0udsmF4ZvsJwA3FGWbE4V2QsZnhBc9iq8+mrRWq3LXK1Yt5nEJL/Ls sWKmtIyef1+XT4BkgNoUAw4/zx/Oe0onOJ7JkjCnU3efOn8fRX9PNFiHbl41ZhMvRBe1 G4BU1XdAQz1K6wl9gtGq/qZ9ZCw2zsCmR+8Xx5KlaZdlHH1tMHa5UxiNV5wRqhjk73oc 0oM91VrZwKRJDv08gbbjcM1O58zKYG9IsNv5QtCy4RdrmFhsRcggJDHzzXrxOdKcX5Tx SONg== X-Gm-Message-State: AC+VfDzzjditYCEfQ3GXukT9KAzcM+F1m+E8bEN8GlRaDdzwIjVQnNSw rjAVkOzxNPWN9uU2Tf4zgNCsXw== X-Google-Smtp-Source: ACHHUZ6KUZCEHQmagmTjEK/HnGclXdX1cbLKZklW1ePFhWRcqd7vYKbYY6Cpp/PfHZR+wLKRik0eKA== X-Received: by 2002:aa7:c997:0:b0:50b:c630:a956 with SMTP id c23-20020aa7c997000000b0050bc630a956mr1635028edt.17.1685701297624; Fri, 02 Jun 2023 03:21:37 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it (host-95-248-31-20.retail.telecomitalia.it. [95.248.31.20]) by smtp.gmail.com with ESMTPSA id x24-20020aa7d398000000b0051499320435sm528887edq.14.2023.06.02.03.21.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jun 2023 03:21:37 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , 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 v2 3/6] ARM: dts: stm32: support display on stm32f746-disco board Date: Fri, 2 Jun 2023 12:21:19 +0200 Message-Id: <20230602102123.3345587-4-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> References: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230602_032141_204755_D6EBA311 X-CRM114-Status: GOOD ( 10.47 ) 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 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/stm32f746-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 = <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 +130,26 @@ &i2c1 { status = "okay"; }; +&dma1 { + status = "okay"; +}; + +&dma2 { + 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>; From patchwork Fri Jun 2 10:21:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 13265036 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 28AB0C7EE2C for ; Fri, 2 Jun 2023 10:22:11 +0000 (UTC) DKIM-Signature: v=1; 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[95.248.31.20]) by smtp.gmail.com with ESMTPSA id x24-20020aa7d398000000b0051499320435sm528887edq.14.2023.06.02.03.21.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jun 2023 03:21:42 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , michael@amarulasolutions.com, Dario Binacchi , Alexandre Torgue , Daniel Vetter , David Airlie , Maxime Coquelin , Philippe Cornu , Raphael Gallais-Pou , Yannick Fertre , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v2 6/6] drm/stm: add an option to change FB bpp Date: Fri, 2 Jun 2023 12:21:22 +0200 Message-Id: <20230602102123.3345587-7-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> References: <20230602102123.3345587-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230602_032146_067317_0F6BB4C4 X-CRM114-Status: GOOD ( 12.76 ) 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 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 */ +static uint stm_bpp = 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 = { .fb_create = drm_gem_fb_create, .atomic_check = drm_atomic_helper_check, @@ -93,6 +98,7 @@ static int drv_load(struct drm_device *ddev) ddev->mode_config.min_height = 0; ddev->mode_config.max_width = STM_MAX_FB_WIDTH; ddev->mode_config.max_height = STM_MAX_FB_HEIGHT; + ddev->mode_config.preferred_depth = stm_bpp; ddev->mode_config.funcs = &drv_mode_config_funcs; ddev->mode_config.normalize_zpos = true; @@ -203,7 +209,7 @@ static int stm_drm_platform_probe(struct platform_device *pdev) if (ret) goto err_put; - drm_fbdev_dma_setup(ddev, 16); + drm_fbdev_dma_setup(ddev, stm_bpp); return 0;