From mboxrd@z Thu Jan 1 00:00:00 1970 From: tthayer@altera.com (tthayer at altera.com) Date: Mon, 7 Apr 2014 16:54:07 -0500 Subject: [PATCH 1/3] dts: socfpga: Add bindings for Altera SoC SDRAM controller In-Reply-To: <1396907649-20212-1-git-send-email-tthayer@altera.com> References: <1396907649-20212-1-git-send-email-tthayer@altera.com> Message-ID: <1396907649-20212-2-git-send-email-tthayer@altera.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Thor Thayer Addition of the Altera SDRAM controller bindings and device tree changes to the Altera SoC project. Signed-off-by: Thor Thayer To: Rob Herring To: Pawel Moll To: Mark Rutland To: Ian Campbell To: Kumar Gala To: Rob Landley To: Russell King To: Dinh Nguyen Cc: devicetree at vger.kernel.org Cc: linux-doc at vger.kernel.org Cc: linux-kernel at vger.kernel.org Cc: linux-arm-kernel at lists.infradead.org --- .../bindings/arm/altera/socfpga-sdram.txt | 14 ++++++++++++++ arch/arm/boot/dts/socfpga.dtsi | 5 +++++ 2 files changed, 19 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt new file mode 100644 index 0000000..525cb76 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt @@ -0,0 +1,14 @@ +Altera SOCFPGA SDRAM Controller + +Required properties: +- compatible : "altr,sdr-ctl", "syscon"; + Note that syscon is invoked for this device to support the FPGA + bridge driver, EDAC driver and other devices that share the + registers. +- reg : Should contain 1 register ranges(address and length) + +Example: + sdrctl at ffc25000 { + compatible = "altr,sdr-ctl", "syscon"; + reg = <0xffc25000 0x1000>; + }; diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi index df43702..6ce912e 100644 --- a/arch/arm/boot/dts/socfpga.dtsi +++ b/arch/arm/boot/dts/socfpga.dtsi @@ -676,6 +676,11 @@ clocks = <&l4_sp_clk>; }; + sdrctl at ffc25000 { + compatible = "altr,sdr-ctl", "syscon"; + reg = <0xffc25000 0x1000>; + }; + rstmgr at ffd05000 { compatible = "altr,rst-mgr"; reg = <0xffd05000 0x1000>; -- 1.7.9.5