Re: [PATCH v2 05/14] DEVICETREE: Add bindings for PIC32/MZDA platforms
From: Rob Herring <robh@kernel.org>
Date: 2015-12-18 15:47:28
Also in:
linux-mips, lkml
On Mon, Dec 14, 2015 at 03:42:07PM -0700, Joshua Henderson wrote: dt/bindings: ... is preferred for the subject.
This adds support for the Microchip PIC32 platform along with the specific variant PIC32MZDA on a PIC32MZDA Starter Kit. Signed-off-by: Joshua Henderson <redacted> Cc: Ralf Baechle <redacted>
Acked-by: Rob Herring <robh@kernel.org>
quoted hunk ↗ jump to hunk
--- .../bindings/mips/pic32/microchip,pic32mzda.txt | 33 ++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/mips/pic32/microchip,pic32mzda.txtdiff --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