From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Henderson Subject: [PATCH v2 05/14] DEVICETREE: Add bindings for PIC32/MZDA platforms Date: Mon, 14 Dec 2015 15:42:07 -0700 Message-ID: <1450133093-7053-6-git-send-email-joshua.henderson@microchip.com> References: <1450133093-7053-1-git-send-email-joshua.henderson@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1450133093-7053-1-git-send-email-joshua.henderson@microchip.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org, ralf@linux-mips.org, Joshua Henderson , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org This adds support for the Microchip PIC32 platform along with the specific variant PIC32MZDA on a PIC32MZDA Starter Kit. Signed-off-by: Joshua Henderson Cc: Ralf Baechle --- .../bindings/mips/pic32/microchip,pic32mzda.txt | 33 ++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/mips/pic32/microchip,pic32mzda.txt diff --git a/Documentation/devicetree/bindings/mips/pic32/microchip,pic32mzda.txt b/Documentation/devicetree/bindings/mips/pic32/microchip,pic32mzda.txt new file mode 100644 index 0000000..bcf3e04 --- /dev/null +++ b/Documentation/devicetree/bindings/mips/pic32/microchip,pic32mzda.txt @@ -0,0 +1,33 @@ +* Microchip PIC32MZDA Platforms + +PIC32MZDA Starter Kit +Required root node properties: + - compatible = "microchip,pic32mzda-sk", "microchip,pic32mzda" + +CPU nodes: +---------- +A "cpus" node is required. Required properties: + - #address-cells: Must be 1. + - #size-cells: Must be 0. +A CPU sub-node is also required. Required properties: + - device_type: Must be "cpu". + - compatible: Must be "mti,mips14KEc". +Example: + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "mti,mips14KEc"; + }; + }; + +Boot protocol +-------------- +In accordance with the MIPS UHI specification[1], the bootloader must pass the +following arguments to the kernel: + - $a0: -2. + - $a1: KSEG0 address of the flattened device-tree blob. + +[1] http://prplfoundation.org/wiki/MIPS_documentation -- 1.7.9.5