From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Ferre Subject: Re: [PATCH] DT: video: atmel_lcdc: Add example of fixed framebuffer memory Date: Tue, 15 Apr 2014 17:19:16 +0200 Message-ID: <534D4DF4.7060301@atmel.com> References: <1396333730-10592-1-git-send-email-alexander.stein@systec-electronic.com> <2216878.FzI300VPNh@ws-stein> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <2216878.FzI300VPNh@ws-stein> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alexander Stein , Rob Herring Cc: Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On 15/04/2014 16:57, Alexander Stein : > Any feedback in this? Actually I didn't notice it previously: thanks for the heads up. > Regards, > Alexander > > On Tuesday 01 April 2014 08:28:50, Alexander Stein wrote: >> This drivers allows a fixed framebuffer memory to be set by an additional >> IORESOURCE_MEM resource. Thus add an example to the DT documentation. >> >> Signed-off-by: Alexander Stein Indeed, it can be useful: Acked-by: Nicolas Ferre >> --- >> Actually I stumbled myself over this wondering how can I use this specific >> feature. In the end I found it myself my coincidence. So it's best to add >> this as an example for other people maybe not that experienced on >> device-tree. >> >> Documentation/devicetree/bindings/video/atmel,lcdc.txt | 12 +++++++++++- >> 1 file changed, 11 insertions(+), 1 deletion(-) >> >> diff --git a/Documentation/devicetree/bindings/video/atmel,lcdc.txt b/Documentation/devicetree/bindings/video/atmel,lcdc.txt >> index 1ec175e..92492b7 100644 >> --- a/Documentation/devicetree/bindings/video/atmel,lcdc.txt >> +++ b/Documentation/devicetree/bindings/video/atmel,lcdc.txt >> @@ -10,7 +10,9 @@ Required properties: >> "atmel,at91sam9g45es-lcdc" , >> "atmel,at91sam9rl-lcdc" , >> "atmel,at32ap-lcdc" >> -- reg : Should contain 1 register ranges(address and length) >> +- reg : Should contain 1 register ranges(address and length). >> + Can contain an additional register range(address and length) >> + for fixed framebuffer memory.Usefull for dedicated memories. >> - interrupts : framebuffer controller interrupt >> - display: a phandle pointing to the display node >> >> @@ -35,6 +37,14 @@ Example: >> >> }; >> >> +Example for fixed framebuffer memory: >> + >> + fb0: fb@0x00500000 { >> + compatible = "atmel,at91sam9263-lcdc"; >> + reg = <0x00700000 0x1000 0x70000000 0x200000>; >> + [...] >> + }; >> + >> Atmel LCDC Display >> ----------------------------------------------------- >> Required properties (as per of_videomode_helper): >> > -- Nicolas Ferre -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html