From mboxrd@z Thu Jan 1 00:00:00 1970 From: bgolaszewski@baylibre.com (Bartosz Golaszewski) Date: Tue, 29 Nov 2016 12:57:04 +0100 Subject: [PATCH v3 2/2] ARM: dts: da850: specify the maximum pixel clock rate for tilcdc In-Reply-To: <1480420624-23544-1-git-send-email-bgolaszewski@baylibre.com> References: <1480420624-23544-1-git-send-email-bgolaszewski@baylibre.com> Message-ID: <1480420624-23544-3-git-send-email-bgolaszewski@baylibre.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 5f4ba2e..00692d3 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -453,6 +453,7 @@ compatible = "ti,da850-tilcdc"; reg = <0x213000 0x1000>; interrupts = <52>; + max-pixelclock = <37500>; status = "disabled"; ports { -- 2.9.3