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[82.52.12.96]) by smtp.gmail.com with ESMTPSA id j15-20020a170906430f00b0099b76c3041csm2491083ejm.7.2023.08.05.02.32.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Aug 2023 02:32:08 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , Philippe Cornu , Raphael Gallais-Pou , 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: [RESEND PATCH v7 1/3] ARM: dts: stm32: add ltdc support on stm32f746 MCU Date: Sat, 5 Aug 2023 11:32:00 +0200 Message-Id: <20230805093203.3988194-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230805093203.3988194-1-dario.binacchi@amarulasolutions.com> References: <20230805093203.3988194-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773391043802481284 X-GMAIL-MSGID: 1773391043802481284 Add LTDC (Lcd-tft Display Controller) support. Signed-off-by: Dario Binacchi Reviewed-by: Raphaël Gallais-Pou --- Changes in v7: - Add 'Reviewed-by' tag I forgot in v6. https://lore.kernel.org/linux-arm-kernel/20230629083726.84910-1-dario.binacchi@amarulasolutions.com/T/ 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 Sat Aug 5 09:32:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 131478 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c44e:0:b0:3f2:4152:657d with SMTP id w14csp441337vqr; Sat, 5 Aug 2023 06:00:33 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHIb05OSKdWnZR0FnQmZ33fhvifbim5QQXSOYcp5qnM09gKx2asytqU8KR8fklXS1gOnSGp X-Received: by 2002:aa7:da09:0:b0:523:1091:9f9e with SMTP id r9-20020aa7da09000000b0052310919f9emr3603481eds.20.1691240433424; Sat, 05 Aug 2023 06:00:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1691240433; cv=none; d=google.com; s=arc-20160816; b=o02eBpy5Tw+KNrUJwbFxKOChkBqg+0W0ASTuGVxn35fmAfSrO6KzCD++6vEIOWQzUN iA5uaGep2VD2BgEZRxJ9db9ANZlJm0Af8VSrym5Dh4OS4l7OD6p3ZHNDgC+BhGfUQWeR cYaCgg8NKz2OdqDbUkpNvNIpe8f1oouaT02VuBWiU9sLQEoo9/nds9CoVjEIE9y+mODS EGjwSwCCXTOMupbt0tBqOLjpQ69d8fzsAotPKeZkcNWDyH/RDQ1+LqxYzwvPKmfTxcDK ZNjGbh4EuUiK/r/Y/KP/vZj+7NRXRv+TBJ9wPO6y0fFgwSCNrfcElrlnxlaq/ldNUG0K D01g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=PU0Mm1LqR6Sd23PVyNdW/l5iyuu7GETQ6ileDMCjS3c=; fh=udvsXXrkdZja9IfBtj9HtpLbSf0mks1St2GLmolGRnw=; b=DUUwBmmGvsGexolWxJ+FbD4Yna34F3yYx5C/b1P6cVP6pPR6alhiMJwfGhXdD+8WTo wCFkT5y8nupz3Ov4oz08ikX+WDaQNRlcVA/xCNbqDQdmo7Uj8U17eZORJta0IBgrACsO jxjUZr9nQK18ljLmi+5eFYQkbU1u/GNeHbpWuTl4s9vp68HDAZXffCqDX9YZHidpZIvI sju/CXXccv0bxirYUQQnEu3YTM8OuPVhW6lqxYXYZf2oBmklNX/20IIb4zUOX1cFb4cF 78gQerr7t3BOsnymbrZiqWb0iP7m80I/AGaZGwNCc5SYdbKBu5oKMz/XOznmWoNkzrW8 C7hA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=ShcmEtOx; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Received: from out1.vger.email (out1.vger.email. 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[82.52.12.96]) by smtp.gmail.com with ESMTPSA id j15-20020a170906430f00b0099b76c3041csm2491083ejm.7.2023.08.05.02.32.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Aug 2023 02:32:09 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , Philippe Cornu , Raphael Gallais-Pou , 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: [RESEND PATCH v7 2/3] ARM: dts: stm32: add pin map for LTDC on stm32f7 Date: Sat, 5 Aug 2023 11:32:01 +0200 Message-Id: <20230805093203.3988194-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230805093203.3988194-1-dario.binacchi@amarulasolutions.com> References: <20230805093203.3988194-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773394128757261364 X-GMAIL-MSGID: 1773394128757261364 Add pin configurations for using LTDC (LCD-tft Display Controller) on stm32f746-disco board. Signed-off-by: Dario Binacchi Reviewed-by: Raphaël Gallais-Pou --- Changes in v7: - Add 'Reviewed-by' tag I forgot in v6. https://lore.kernel.org/linux-arm-kernel/20230629083726.84910-1-dario.binacchi@amarulasolutions.com/T/ 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 Sat Aug 5 09:32:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 131482 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c44e:0:b0:3f2:4152:657d with SMTP id w14csp449126vqr; Sat, 5 Aug 2023 06:11:51 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGTYkOEBYcvjrydhF4j8Bjwdb8GKc6J9vSx9losHg/k5Mw7lIFm2U0WPkgkoEFkk9JA1OUU X-Received: by 2002:a05:6a20:160a:b0:127:76ab:a6ff with SMTP id l10-20020a056a20160a00b0012776aba6ffmr3316683pzj.22.1691241110831; Sat, 05 Aug 2023 06:11:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1691241110; cv=none; d=google.com; s=arc-20160816; b=yoeTxhFk5SrlDrNEUyXaV5c2IQcfLSLcm4yXdC9hSfIT69G290gzWhwadGsVPVPqD0 OvNDqqOeKD19pX6NeJXs21Ip8DI3z4mmDx+N57JpQlsycnfP630aVmpJiB1lk6Y+adle savPjGPn8iW6PcPYQoifQQre0PR3aeFxRki5WMD+k37075QHjIM8ZUBaeUUsnyoXcarX 1FGt3yuAPkgvvoUQoYBeIA8PVa/1sK6d/sTEOZO1tOzxFk6L8aTUtqSVFSyNKsICl24B rJ5r90eBNjVCj/D9EWvpAJN3Vr2FHubuhGKfrCyM5u5vJTNTAB4vcZmUjsxvyrbGSMgG uWuA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=x4zfk9+w42D4Vl03+U/DigAoB0zXZh0Gh/1uuAJ0hLQ=; fh=udvsXXrkdZja9IfBtj9HtpLbSf0mks1St2GLmolGRnw=; b=aaWoG+LDTBdPWsY7sqqYde5AnBdxfqPpp9+baeMjXyz7xSXWgC+vnbbKua2+tT4WPa BGVU05rheUK9oyQhq+eBvB+Uwk/7KFZAvwgJJOcTPAO8+HNRO0AbgB2bLEv/8UK412iZ XLyiLGMxgIirNuMNkHY3LZQS2jr44rnuwP4sT2tW5A2W6zO5UeignaRBI9bpsNGma1qw wCmk1xwxADS5AgODYuzSEpCN4XMasneOA5vItHdogNji/1mJ68f6xeMUEesB59TDWwIx 3AmH6TXH52arMw9jZmK92MWOzUqPmaFxmqHEwht8Adjtc/WcxRwvjkjLwADoSFPfmXOJ uM+g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=LTO+hY60; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Received: from out1.vger.email (out1.vger.email. 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[82.52.12.96]) by smtp.gmail.com with ESMTPSA id j15-20020a170906430f00b0099b76c3041csm2491083ejm.7.2023.08.05.02.32.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Aug 2023 02:32:11 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , Philippe Cornu , Raphael Gallais-Pou , 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: [RESEND PATCH v7 3/3] ARM: dts: stm32: support display on stm32f746-disco board Date: Sat, 5 Aug 2023 11:32:02 +0200 Message-Id: <20230805093203.3988194-4-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230805093203.3988194-1-dario.binacchi@amarulasolutions.com> References: <20230805093203.3988194-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773394839143928090 X-GMAIL-MSGID: 1773394839143928090 Add support to Rocktech RK043FN48H display on stm32f746-disco board. Signed-off-by: Dario Binacchi Reviewed-by: Raphaël Gallais-Pou --- Changes in v7: - Add 'Reviewed-by' tag I forgot in v6. https://lore.kernel.org/linux-arm-kernel/20230629083726.84910-1-dario.binacchi@amarulasolutions.com/T/ 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>;