Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932915AbcLMKJo (ORCPT ); Tue, 13 Dec 2016 05:09:44 -0500 Received: from mail-wj0-f170.google.com ([209.85.210.170]:34037 "EHLO mail-wj0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932825AbcLMKJi (ORCPT ); Tue, 13 Dec 2016 05:09:38 -0500 From: Bartosz Golaszewski To: Jyri Sarha , Tomi Valkeinen , David Airlie , Kevin Hilman , Michael Turquette , Sekhar Nori , Rob Herring , Frank Rowand , Mark Rutland , Laurent Pinchart , Peter Ujfalusi , Russell King , Maxime Ripard Cc: LKML , arm-soc , linux-drm , linux-devicetree , Bartosz Golaszewski Subject: [PATCH v7 5/5] ARM: dts: da850: specify the maximum pixel clock rate for tilcdc Date: Tue, 13 Dec 2016 11:09:19 +0100 Message-Id: <1481623759-12786-6-git-send-email-bgolaszewski@baylibre.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1481623759-12786-1-git-send-email-bgolaszewski@baylibre.com> References: <1481623759-12786-1-git-send-email-bgolaszewski@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 875 Lines: 28 At maximum CPU frequency of 300 MHz the maximum pixel clock frequency is 37.5 MHz[1]. We must filter out any mode for which the calculated pixel clock rate would exceed this value. Specify the max-pixelclock property for the display node for da850-lcdk. [1] http://processors.wiki.ti.com/index.php/OMAP-L1x/C674x/AM1x_LCD_Controller_(LCDC)_Throughput_and_Optimization_Techniques Signed-off-by: Bartosz Golaszewski --- arch/arm/boot/dts/da850.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 6b0ef3d..58b1566 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -462,6 +462,7 @@ compatible = "ti,da850-tilcdc"; reg = <0x213000 0x1000>; interrupts = <52>; + max-pixelclock = <37500>; status = "disabled"; }; }; -- 2.9.3