Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1540963

[PATCH v7 5/5] ARM: dts: da850: specify the maximum pixel clock rate for tilcdc

From Bartosz Golaszewski <bgolaszewski@baylibre.com>
Newsgroups linux.kernel
Subject [PATCH v7 5/5] ARM: dts: da850: specify the maximum pixel clock rate for tilcdc
Date 2016-12-13 11:20 +0100
Message-ID <sNSlH-8pl-23@gated-at.bofh.it> (permalink)
References <sNSc1-8lZ-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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 <bgolaszewski@baylibre.com>
---
 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

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH v7 0/5] ARM: dts: da850: tilcdc related DT changes Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-12-13 11:10 +0100
  [PATCH v7 5/5] ARM: dts: da850: specify the maximum pixel clock rate for tilcdc Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-12-13 11:20 +0100
    Re: [PATCH v7 5/5] ARM: dts: da850: specify the maximum pixel clock  rate for tilcdc Sekhar Nori <nsekhar@ti.com> - 2017-01-02 12:40 +0100
  [PATCH v7 3/5] drm: bridge: add support for TI ths8135 Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-12-13 11:20 +0100
    Re: [PATCH v7 3/5] drm: bridge: add support for TI ths8135 Archit Taneja <architt@codeaurora.org> - 2016-12-14 06:10 +0100
      Re: [PATCH v7 3/5] drm: bridge: add support for TI ths8135 Sekhar Nori <nsekhar@ti.com> - 2017-01-02 12:10 +0100
        Re: [PATCH v7 3/5] drm: bridge: add support for TI ths8135 Archit Taneja <architt@codeaurora.org> - 2017-01-03 06:30 +0100
          Re: [PATCH v7 3/5] drm: bridge: add support for TI ths8135 Sekhar Nori <nsekhar@ti.com> - 2017-01-03 06:40 +0100
  [PATCH v7 1/5] ARM: dts: da850: rename the display node label Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-12-13 11:20 +0100
    Re: [PATCH v7 1/5] ARM: dts: da850: rename the display node label Tomi Valkeinen <tomi.valkeinen@ti.com> - 2016-12-14 11:00 +0100
      Re: [PATCH v7 1/5] ARM: dts: da850: rename the display node label Sekhar Nori <nsekhar@ti.com> - 2017-01-02 12:10 +0100
  [PATCH v7 4/5] ARM: dts: da850-lcdk: add the vga-bridge node Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-12-13 11:20 +0100
    Re: [PATCH v7 4/5] ARM: dts: da850-lcdk: add the vga-bridge node Tomi Valkeinen <tomi.valkeinen@ti.com> - 2016-12-14 11:00 +0100
      Re: [PATCH v7 4/5] ARM: dts: da850-lcdk: add the vga-bridge node Sekhar Nori <nsekhar@ti.com> - 2017-01-02 12:20 +0100
  [PATCH v7 2/5] drm: bridge: add DT bindings for TI ths8135 Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-12-13 11:20 +0100
    Re: [PATCH v7 2/5] drm: bridge: add DT bindings for TI ths8135 Archit Taneja <architt@codeaurora.org> - 2016-12-14 06:10 +0100

csiph-web