From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- .../devicetree/bindings/soc/sunxi/sram.txt | 72 ---------------------- 1 file changed, 72 deletions(-) delete mode 100644 Documentation/devicetree/bindings/soc/sunxi/sram.txt (limited to 'Documentation/devicetree/bindings/soc/sunxi') diff --git a/Documentation/devicetree/bindings/soc/sunxi/sram.txt b/Documentation/devicetree/bindings/soc/sunxi/sram.txt deleted file mode 100644 index 067698112..000000000 --- a/Documentation/devicetree/bindings/soc/sunxi/sram.txt +++ /dev/null @@ -1,72 +0,0 @@ -Allwinnner SoC SRAM controllers ------------------------------------------------------ - -The SRAM controller found on most Allwinner devices is represented by -a regular node for the SRAM controller itself, with sub-nodes -reprensenting the SRAM handled by the SRAM controller. - -Controller Node ---------------- - -Required properties: -- compatible : "allwinner,sun4i-a10-sram-controller" -- reg : sram controller register offset + length - -SRAM nodes ----------- - -Each SRAM is described using the mmio-sram bindings documented in -Documentation/devicetree/bindings/misc/sram.txt - -Each SRAM will have SRAM sections that are going to be handled by the -SRAM controller as subnodes. These sections are represented following -once again the representation described in the mmio-sram binding. - -The valid sections compatible are: - - allwinner,sun4i-a10-sram-a3-a4 - - allwinner,sun4i-a10-sram-d - -Devices using SRAM sections ---------------------------- - -Some devices need to request to the SRAM controller to map an SRAM for -their exclusive use. - -The relationship between such a device and an SRAM section is -expressed through the allwinner,sram property, that will take a -phandle and an argument. - -This valid values for this argument are: - - 0: CPU - - 1: Device - -Example -------- -sram-controller@01c00000 { - compatible = "allwinner,sun4i-a10-sram-controller"; - reg = <0x01c00000 0x30>; - #address-cells = <1>; - #size-cells = <1>; - ranges; - - sram_a: sram@00000000 { - compatible = "mmio-sram"; - reg = <0x00000000 0xc000>; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0 0x00000000 0xc000>; - - emac_sram: sram-section@8000 { - compatible = "allwinner,sun4i-a10-sram-a3-a4"; - reg = <0x8000 0x4000>; - status = "disabled"; - }; - }; -}; - -emac: ethernet@01c0b000 { - compatible = "allwinner,sun4i-a10-emac"; - ... - - allwinner,sram = <&emac_sram 1>; -}; -- cgit v1.2.3-54-g00ecf