From patchwork Fri Apr 14 08:10:49 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yannick FERTRE X-Patchwork-Id: 9680803 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7C09560326 for ; Fri, 14 Apr 2017 08:27:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6F05926B41 for ; Fri, 14 Apr 2017 08:27:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 62CB4285EA; Fri, 14 Apr 2017 08:27:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EEDD626B41 for ; Fri, 14 Apr 2017 08:27:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=p0neIL74dDRD2Bq56m+4e2nhufiedA4/Hux5StK/1Go=; b=TuPIZemWaHFnA3 FRRaC5isGKXc30moFaNBYU+pdknUxcXRCr0IX1KLLZX0UgTny9miS3fXAqJpkfOiV5Y/a1wV7syEa CzSMkCycvjQwtO8tiI59rT4cSqnMwwQUIiEEINo7J2ojALK5BqG6koPJZIdjNW2+sc3MlzhzA76iJ jBjKN/fcxcJfFoY9P/TlxnTNxMc+j1xlJO9+zVujC3dz1kYcqylXlRWWecAGcRd+itXwh8SCuqbRK bJ731rKH06t+DsNz95q1mOqEbf+paD40L/l+Fa/MY0dqOMaOzliH6uI26CNpNww65i64hAdaOcgmv AbFUY6KeIxZVtL0DKPkQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cywZr-00034R-FE; Fri, 14 Apr 2017 08:27:35 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cywKn-0001vA-6G for linux-arm-kernel@lists.infradead.org; Fri, 14 Apr 2017 08:12:05 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id v3E8B6eI016851; Fri, 14 Apr 2017 10:11:07 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-.pphosted.com with ESMTP id 29tp5ahbpd-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 14 Apr 2017 10:11:07 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 59A1641; Fri, 14 Apr 2017 08:11:06 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 2B82811EC; Fri, 14 Apr 2017 08:11:06 +0000 (GMT) Received: from localhost (10.201.23.68) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.319.2; Fri, 14 Apr 2017 10:11:05 +0200 From: Yannick Fertre To: Alexandre TORGUE , Thierry Reding , David Airlie , Maxime Coquelin , Russell King , Mark Rutland , Rob Herring , Arnd Bergmann , Benjamin Gaignard , Yannick Fertre Subject: [PATCH v6 3/9] dt-bindings: display: Add STM32 LTDC driver Date: Fri, 14 Apr 2017 10:10:49 +0200 Message-ID: <1492157455-2283-4-git-send-email-yannick.fertre@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1492157455-2283-1-git-send-email-yannick.fertre@st.com> References: <1492157455-2283-1-git-send-email-yannick.fertre@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.68] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-04-14_04:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170414_011201_526706_843A18AA X-CRM114-Status: GOOD ( 12.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, kernel@stlinux.com, Philippe Cornu , Fabien Dessenne , dri-devel@lists.freedesktop.org, Mickael Reulier , Vincent Abriou , Gabriel FERNANDEZ , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds documentation of device tree bindings for the STM32 LTDC (Lcd-Tft Display Controller). Acked-by: Rob Herring Signed-off-by: Yannick Fertre --- .../devicetree/bindings/display/st,stm32-ltdc.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/st,stm32-ltdc.txt diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt new file mode 100644 index 0000000..8e14769 --- /dev/null +++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt @@ -0,0 +1,36 @@ +* STMicroelectronics STM32 lcd-tft display controller + +- ltdc: lcd-tft display controller host + must be a sub-node of st-display-subsystem + Required properties: + - compatible: "st,stm32-ltdc" + - reg: Physical base address of the IP registers and length of memory mapped region. + - clocks: A list of phandle + clock-specifier pairs, one for each + entry in 'clock-names'. + - clock-names: A list of clock names. For ltdc it should contain: + - "lcd" for the clock feeding the output pixel clock & IP clock. + - resets: reset to be used by the device (defined by use of RCC macro). + Required nodes: + - Video port for RGB output. + +Example: + +/ { + ... + soc { + ... + ltdc: display-controller@40016800 { + compatible = "st,stm32-ltdc"; + reg = <0x40016800 0x200>; + interrupts = <88>, <89>; + resets = <&rcc STM32F4_APB2_RESET(LTDC)>; + clocks = <&rcc 1 CLK_LCD>; + clock-names = "lcd"; + + port { + ltdc_out_rgb: endpoint { + }; + }; + }; + }; +};