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[95.232.62.70]) by smtp.gmail.com with ESMTPSA id n21-20020aa7d055000000b0051e26c7a154sm1425057edo.18.2023.07.27.23.34.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 23:34:22 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: michael@amarulasolutions.com, Philippe Cornu , Raphael Gallais-Pou , Amarula patchwork , 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 v7 1/3] ARM: dts: stm32: add ltdc support on stm32f746 MCU Date: Fri, 28 Jul 2023 08:34:14 +0200 Message-Id: <20230728063417.2980091-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230728063417.2980091-1-dario.binacchi@amarulasolutions.com> References: <20230728063417.2980091-1-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,T_SCC_BODY_TEXT_LINE,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: 1772647176366411370 X-GMAIL-MSGID: 1772647176366411370 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 Fri Jul 28 06:34:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 127354 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:918b:0:b0:3e4:2afc:c1 with SMTP id s11csp241733vqg; Thu, 27 Jul 2023 23:51:34 -0700 (PDT) X-Google-Smtp-Source: APBJJlF+sQ4xknkovtnm40mZvw3kaDpFInfqwVqhF7jEOiyPo4oPreUY6AMYFMvcBDyN8RC89h3N X-Received: by 2002:a17:903:2289:b0:1b8:560a:aa16 with SMTP id b9-20020a170903228900b001b8560aaa16mr1283067plh.10.1690527093718; Thu, 27 Jul 2023 23:51:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690527093; cv=none; d=google.com; s=arc-20160816; b=YZLLk0pmoUzR1NWIIqj59piZ4dIQa+WZHZmB282QqoLe4jPN37uAFL2UdSeA/vUiF7 5v9Cxm5ngP97KNSgnIbYJkm20Ffr8h8MU29O07vJym8YaJYdf4pa6o76xDOeeyvTkFF8 82HtHO+Vjk11eoR9M4e27/MY99qTGJGGJMhfU/MRVCe72uVaq9lwT2jc7BIGPlPT3dpM cAafY09s11G7qncqVZMsfJEkP88NNnETm5aEMoSZMvEJ1427jdUdLzrENTLGn7Yw7Ekx ht5SiiL2R6sWAsCJOqbGLVtI3sG7e7uVO+uoP7rIU5zWoSdtSRY3iakLzE5HSjW29U4l 0Y1A== 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=l/lHk8eRVrXKgF4YSTLYZ9obSFmuCwSaMLA49Sb0yrY=; b=J9sXq6F2leI1tP3JHUtPXQ8TxoYrAS6IlU8CumIUepR6AyyjYsyRkZG8k5hgqs1HrA DyhhwSXD1NE0QBhSQ1rqw/HKxsKMRGRd1KnchuwkbwA1HnVaF1vNz0lWzYh9YpYinGDh dklAgfyVlOJtjIVXBZF7C5L4l42ucBF/J/BoQaxWnBVvqYH2CB1+Q1ZJP5IjQOQzSd1r WnlWMoG8tuVNBTyrfVGPwLkPc8kk7nfqwPuk1KAxYPBlXEsUvHbxaoYPw7QU02onZIrV it2azSDEU2gLQhIL7H7UwFTUd1dlBhgph/o4qDsdd4Lq06Rq9A8uvbpNJEPe6xzq4o8p PuIQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=MAL6quyp; 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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[95.232.62.70]) by smtp.gmail.com with ESMTPSA id n21-20020aa7d055000000b0051e26c7a154sm1425057edo.18.2023.07.27.23.34.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 23:34:24 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: michael@amarulasolutions.com, Philippe Cornu , Raphael Gallais-Pou , Amarula patchwork , 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 v7 2/3] ARM: dts: stm32: add pin map for LTDC on stm32f7 Date: Fri, 28 Jul 2023 08:34:15 +0200 Message-Id: <20230728063417.2980091-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230728063417.2980091-1-dario.binacchi@amarulasolutions.com> References: <20230728063417.2980091-1-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,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham 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: 1772646137752117195 X-GMAIL-MSGID: 1772646137752117195 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 Fri Jul 28 06:34:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 127363 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:918b:0:b0:3e4:2afc:c1 with SMTP id s11csp251242vqg; Fri, 28 Jul 2023 00:12:45 -0700 (PDT) X-Google-Smtp-Source: APBJJlHpHgQjHZy4F2FvzTMXkMTPrtyWnNDS4W1ej8CrhDBmkPBtwNzF6ZikkoEL53Ul/1h8uoGB X-Received: by 2002:a05:6402:78e:b0:521:d1f0:3013 with SMTP id d14-20020a056402078e00b00521d1f03013mr1137511edy.33.1690528365057; Fri, 28 Jul 2023 00:12:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690528365; cv=none; d=google.com; s=arc-20160816; b=pVtZpzMzB7mPCr00kpf7q/n2TEJxdqPXbdUoIuO/OVhZJD08Zo+cSkt0pFI5ckB1gR SzT2qtHHAP2LsF1LOEyz396ZrQ0yYy9zv08NoZdy1JlkUR9nRIOVincGjW/lbk/DH1HQ KEcIqMDLZFeyPKjk2ykUeqAia4aCrXs5yDzLezV9A6dYxpluqAzH7kNsBkBmhpEor/y3 JQ28/ulgsXd+mVPLq4m7n48IAHhBXJlDRbDIb2A8GwaPnzDWJioXSYwLRV9DC5mvUj/x /j+mnvhlXI0ziq7XiN4imvrctAaZkJswHbeaEsk/y2zUmN4TE4YDdbW13g2Aj5hWaIEm F46w== 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=l/lHk8eRVrXKgF4YSTLYZ9obSFmuCwSaMLA49Sb0yrY=; b=wFeM7sS0E7v7rjwyEWFiADgPc77/3hKv17f5vhXmBBaRyYNW75y2r4XctiD0zi74Qv tC6JneBgL0UczP1/FtNRxuaRXpvGpIJIrU0TW4OWfAk6Qk+jNlGdG3ebm3ACoT+PGYeg AQ/j0A8u09E4/jEo2mJ7KYPV0srEt/BZd2Cz68glunN0jNMTO+SS38vOL5IEO4ClvQL7 b/q2qwVA0bbARfzJtlSQP1+7a2lS4WFynBUPOLvTJfoDFOhra3uppXWn8/h7NV2CYXrR 3y8Xwwwr1RYZQrv/QB7IUrcR6QbaWOxmLrS+pFX9FvjwJrgMJuzDs3m/AhMSZXGQHo/O 3CIQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=coD2+ErD; 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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[95.232.62.70]) by smtp.gmail.com with ESMTPSA id n21-20020aa7d055000000b0051e26c7a154sm1425057edo.18.2023.07.27.23.34.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 23:34:25 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: michael@amarulasolutions.com, Philippe Cornu , Raphael Gallais-Pou , Amarula patchwork , 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 v7 3/3] ARM: dts: stm32: support display on stm32f746-disco board Date: Fri, 28 Jul 2023 08:34:16 +0200 Message-Id: <20230728063417.2980091-4-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230728063417.2980091-1-dario.binacchi@amarulasolutions.com> References: <20230728063417.2980091-1-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,T_SCC_BODY_TEXT_LINE,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: 1772647470751289971 X-GMAIL-MSGID: 1772647470751289971 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>;