From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43ED5C433E3 for ; Tue, 21 Jul 2020 12:59:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C8EE2073A for ; Tue, 21 Jul 2020 12:59:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="EnkM8LhL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728214AbgGUM7Y (ORCPT ); Tue, 21 Jul 2020 08:59:24 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:5744 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727121AbgGUM7X (ORCPT ); Tue, 21 Jul 2020 08:59:23 -0400 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06LCv7SQ024874; Tue, 21 Jul 2020 14:58:50 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=STMicroelectronics; bh=FG8Jpl88uMJR2Haodeqb+M02x+DZQPQlOWwZUmrVcUA=; b=EnkM8LhL48Qm5Tc33FT+Mm9bbek5SiuCwmBudd95SfBBA3CMuo4EC1mHnE+nEZb5eibf XrSHD1iOYavvex1XaflRy+33LRTvHIKC5TsKjmC7h0Z2j/7e4fg+cG3kBcDptsU/uBG0 U/BsrIjOPjcpVmAq+XNveXjyAq3vgACDJc5VdBmj/aVZyLflszg5DrGYcN/KcJmfc1X+ 0pWax5B1Pkqf9WMIjH3L5TCcC1p38SicwwsranTlt4dtYjGCvsf+QROOlvtfOLWEGhpU YoyxN7GiYXeVYmstM/jxDHNa7Yu6F0/u649t99REgf9mJX7YwwnMLQUIK1ujWh0rMBUs dw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 32bs6uwy66-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Jul 2020 14:58:50 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 4FBBE100034; Tue, 21 Jul 2020 14:58:50 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 2F5D32BE25A; Tue, 21 Jul 2020 14:58:50 +0200 (CEST) Received: from lmecxl0912.lme.st.com (10.75.127.50) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 21 Jul 2020 14:58:49 +0200 Subject: Re: [PATCH v5 0/8] Enable ili9341 and l3gd20 on stm32f429-disco To: dillon min CC: Rob Herring , , Maxime Coquelin , , Sam Ravnborg , Dave Airlie , Daniel Vetter , Michael Turquette , Stephen Boyd , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux ARM , Linux Kernel Mailing List , linux-spi , , "open list:DRM PANEL DRIVERS" , linux-clk References: <1590378062-7965-1-git-send-email-dillon.minfei@gmail.com> <198ad79c-ab12-55f0-814f-afc454a7e8ef@st.com> From: Alexandre Torgue Message-ID: <112dd65b-2a3c-a776-8d31-f0d0b8f2c355@st.com> Date: Tue, 21 Jul 2020 14:58:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG8NODE1.st.com (10.75.127.22) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-21_08:2020-07-21,2020-07-21 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/21/20 2:55 PM, dillon min wrote: > Hi, Alexandre, > > > On Tue, Jul 21, 2020 at 7:54 PM Alexandre Torgue > wrote: >> >> >> >> On 7/21/20 12:39 PM, dillon min wrote: >>> Hi Alexandre, >>> >>> On Tue, Jul 21, 2020 at 5:19 PM Alexandre Torgue >>> wrote: >>>> >>>> Hi Dillon >>>> >>>> On 5/25/20 5:40 AM, dillon.minfei@gmail.com wrote: >>>>> From: dillon min >>>>> >>>>> V5's update based on Mark Brown's suggestion, use 'SPI_MASTER_MUST_RX' >>>>> for SPI_SIMPLEX_RX mode on stm32 spi controller. >>>>> >>>>> V5: >>>>> 1 instead of add send dummy data out under SIMPLEX_RX mode, >>>>> add flags 'SPI_CONTROLLER_MUST_TX' for stm32 spi driver >>>>> 2 bypass 'SPI_CONTROLLER_MUST_TX' and 'SPI_CONTROLLER_MUST_RX' under >>>>> 'SPI_3WIRE' mode >>>>> >>>> >>>> Concerning DT patches, they look goods for me. However I'll merge them >>>> when drivers parts will be merged. >>>> >>>> regards >>>> Alex >>> This patchset status is : >>> dts: >>> ARM: dts: stm32: Add dma config for spi5 >>> ARM: dts: stm32: Add pin map for ltdc & spi5 on stm32f429-disco board >>> ARM: dts: stm32: enable ltdc binding with ili9341, gyro l3gd20 on >>> stm32429-disco board >>> >>> panel-bindings: Reviewed-by: Rob Herring， need more reviewing to merge >>> dt-bindings: display: panel: Add ilitek ili9341 panel bindings >>> >>> clk: Acked-by: Stephen Boyd , need more reviewing to merge >>> clk: stm32: Fix stm32f429's ltdc driver hang in set clock rate, >>> fix duplicated ltdc clock register to 'clk_core' case ltdc's clock >>> turn off by clk_disable_unused() >>> >>> drm-panel: Reviewed-by: Linus Walleij . need more reviewing to merge >>> drm/panel: Add ilitek ili9341 panel driver >>> >>> spi-driver: Acked-by: Mark Brown ，merged into mainline >>> spi: stm32: Add 'SPI_SIMPLEX_RX', 'SPI_3WIRE_RX' support for stm32f4 >>> spi: flags 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX' can't >>> becoexit with 'SPI_3WIRE' mode >>> >>> For ili9341 drivers, it seems to need more time to review, or might be dropped. >>> since the drm maintainer might create a new interface to support >>> DPI,DBI,DSI in one driver. >>> Currently it's under discussion. I will rework the ili9341 driver after that. >>> >>> But, we can use the existing "drivers/gpu/drm/tiny/ili9341.c" driver to support >>> ili9341 on stm32f429-disco board only using the spi bus. except the >>> display refresh performance is not as good as the ltdc interface. >>> >>> I can submit a new patch just with dts changed this week for it, if you need. >>> >> >> >> Thanks for this status. I'm close to send my PR for v5.9. There is no >> needs to have an intermediate version (Except you absolutely want it). >> >> Thanks >> alex > Ok, I prefer to use the ltdc interface to drive ili9341 either. Ok, so let's wait for the full review of this series. Cheers Alex > > Thanks, > Dillon. >> >>> Thanks, >>> Dillon. >>>> >>>> >>>> >>>>> V4: >>>>> According to alexandre torgue's suggestion, combine ili9341 and >>>>> l3gd20's modification on stm32f429-disco board to one patchset. >>>>> >>>>> Changes: >>>>> >>>>> ili9341: >>>>> >>>>> 1 update ili9341 panel driver according to Linus's suggestion >>>>> 2 drop V1's No.5 patch, sumbit new changes for clk-stm32f4 >>>>> 3 merge l3gd20's change to this patchset >>>>> >>>>> V3: >>>>> 1 merge original tiny/ili9341.c driver to panel/panel-ilitek-ili9341.c >>>>> to support serial spi & parallel rgb interface in one driver. >>>>> 2 update ilitek,ili9341.yaml dts binding documentation. >>>>> 3 update stm32f429-disco dts binding >>>>> >>>>> V2: >>>>> 1 verify ilitek,ili9341.yaml with make O=../linux-stm32 >>>>> dt_binding_check >>>>> DT_SCHEMA_FILES=Documentation/devicetree/bindings/display/panel/ >>>>> ilitek,ili9341.yaml >>>>> >>>>> V1: >>>>> 1 add ili9341 drm panel driver >>>>> 2 add ltdc, spi5 controller for stm32f429-disco >>>>> 3 add ltdc, spi5 pin map for stm32f429-disco >>>>> 4 add docs about ili9341 >>>>> 5 fix ltdc driver loading hang in clk set rate bug >>>>> >>>>> >>>>> L3gd20: >>>>> V3: >>>>> 1 merge stm32f429-disco dtbs binding with ili9341 part >>>>> >>>>> V2: >>>>> 1 insert blank line at stm32f420-disco.dts line 143 >>>>> 2 add more description for l3gd20 in commit message >>>>> >>>>> V1: >>>>> 1 enable spi5 controller on stm32f429-disco (dts) >>>>> 2 add spi5 pinmap for stm32f429-disco (dts) >>>>> 3 add SPI_SIMPLEX_RX, SPI_3WIRE_RX support for stm32f4 >>>>> >>>>> >>>>> dillon min (8): >>>>> ARM: dts: stm32: Add dma config for spi5 >>>>> ARM: dts: stm32: Add pin map for ltdc & spi5 on stm32f429-disco board >>>>> ARM: dts: stm32: enable ltdc binding with ili9341, gyro l3gd20 on >>>>> stm32429-disco board >>>>> dt-bindings: display: panel: Add ilitek ili9341 panel bindings >>>>> clk: stm32: Fix stm32f429's ltdc driver hang in set clock rate, >>>>> fix duplicated ltdc clock register to 'clk_core' case ltdc's clock >>>>> turn off by clk_disable_unused() >>>>> drm/panel: Add ilitek ili9341 panel driver >>>>> spi: stm32: Add 'SPI_SIMPLEX_RX', 'SPI_3WIRE_RX' support for stm32f4 >>>>> spi: flags 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX' can't >>>>> be coexit with 'SPI_3WIRE' mode >>>>> >>>>> .../bindings/display/panel/ilitek,ili9341.yaml | 69 ++ >>>>> arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 67 + >>>>> arch/arm/boot/dts/stm32f429-disco.dts | 48 + >>>>> arch/arm/boot/dts/stm32f429.dtsi | 3 + >>>>> drivers/clk/clk-stm32f4.c | 7 +- >>>>> drivers/gpu/drm/panel/Kconfig | 12 + >>>>> drivers/gpu/drm/panel/Makefile | 1 + >>>>> drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 1301 ++++++++++++++++++++ >>>>> drivers/spi/spi-stm32.c | 19 +- >>>>> drivers/spi/spi.c | 3 +- >>>>> 10 files changed, 1521 insertions(+), 9 deletions(-) >>>>> create mode 100644 Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml >>>>> create mode 100644 drivers/gpu/drm/panel/panel-ilitek-ili9341.c >>>>> From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 882FAC433DF for ; Tue, 21 Jul 2020 13:00:46 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 465F52065F for ; Tue, 21 Jul 2020 13:00:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) 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Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 2F5D32BE25A; Tue, 21 Jul 2020 14:58:50 +0200 (CEST) Received: from lmecxl0912.lme.st.com (10.75.127.50) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 21 Jul 2020 14:58:49 +0200 Subject: Re: [PATCH v5 0/8] Enable ili9341 and l3gd20 on stm32f429-disco To: dillon min References: <1590378062-7965-1-git-send-email-dillon.minfei@gmail.com> <198ad79c-ab12-55f0-814f-afc454a7e8ef@st.com> From: Alexandre Torgue Message-ID: <112dd65b-2a3c-a776-8d31-f0d0b8f2c355@st.com> Date: Tue, 21 Jul 2020 14:58:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG8NODE1.st.com (10.75.127.22) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 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15.0.1347.2; Tue, 21 Jul 2020 14:58:49 +0200 Subject: Re: [PATCH v5 0/8] Enable ili9341 and l3gd20 on stm32f429-disco To: dillon min References: <1590378062-7965-1-git-send-email-dillon.minfei@gmail.com> <198ad79c-ab12-55f0-814f-afc454a7e8ef@st.com> From: Alexandre Torgue Message-ID: <112dd65b-2a3c-a776-8d31-f0d0b8f2c355@st.com> Date: Tue, 21 Jul 2020 14:58:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG8NODE1.st.com (10.75.127.22) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-21_08:2020-07-21, 2020-07-21 signatures=0 X-Mailman-Approved-At: Tue, 21 Jul 2020 13:11:23 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , 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