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The PCM049 is a legacy SOM offered by Phytec: https://www.phytec.com/legacy-soms/ There was a vendor BSP offered by Phytec, but that never entered the Device Tree era. This patch is meant to change that. My development bootloader has moved to U-Boot, but I have verified Barebox works in the past. When booting from SD card, either bootloader should work. When booting from Barebox, the NAND OOB layout is incompatible between the bootloader and the kernel. I haven't had any OOB / ECC errors in the NAND at all, which was my main concern. Due to that, I'm submitting this as a patch instead of an RFC. Hardware ECC correction seems to be fully functional. v3->v4 * Add initial .yaml documentation instead of omap.txt Thanks to Andrew Davis for posting their WIP patch set, which was the basis for patch 1, with Rob's feedback. * Removed Rob's "Acked-by" because the patch is completely different * Removed unnecessary "omap-4430" from compatible in .dts v2->v3 * Acked-by on patch 1 * Code review changes (see patch 2 for details) * Fix intermittent NAND failures (patch 2) v1->v2 * Almost everything moved into the SOM (PCM-049) .dtsi. Only the LED chip is dev-board specific. * Fix pinmux associations (*pmx_core was applying *pmx_wkup entries... I'm surprised that didn't cause more issues) * Documentation added * Updates from review: * Board compatible strings added * Hyphen / underscore changes * Remove unnecessary status="okay" entries * Generic names used (regulator, led-1, etc.) Colin Foster (2): dt-bindings: arm: omap: add phytec pcm-049 som and pcm-959 dev board arm: dts: omap4: pcm959: add initial support for phytec pcm959 .../devicetree/bindings/arm/ti,omap.yaml | 29 ++ arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi | 400 ++++++++++++++++++ arch/arm/boot/dts/omap4-phytec-pcm-959.dts | 48 +++ 4 files changed, 478 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/ti,omap.yaml create mode 100644 arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi create mode 100644 arch/arm/boot/dts/omap4-phytec-pcm-959.dts