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Date: Wed, 29 Jan 2014 12:10:45 +0100 From: Maxime Ripard <maxime.ripard@...e-electrons.com> To: Mark Brown <broonie@...nel.org>, Mike Turquette <mturquette@...aro.org>, Emilio Lopez <emilio@...pez.com.ar> Cc: linux-sunxi@...glegroups.com, linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, kevin.z.m.zh@...il.com, sunny@...winnertech.com, shuge@...winnertech.com, zhuzhenhua@...winnertech.com, Maxime Ripard <maxime.ripard@...e-electrons.com> Subject: [PATCH v2 0/5] Add Allwinner A31 SPI controller support Hi everyone, This patchset brings support for the SPI controller found in the Allwinner A31 SoC. Even though the controller supports DMA, the driver only supports PIO mode for now. This driver will be used to bring up and test DMA on the SoC, so support for the DMA will come eventually. It doesn't support transfer larger than the FIFO size (128 bytes) for now, I expect it to be fixed in the future. Thanks! Maxime Changes from v1: - Switched to using the transfer_one and set_cs callbacks - Switched to using runtime_pm - Report an error when we try to do a transfer larger than the FIFO size, instead of silently timeouting. - Added a Kconfig symbol - Move the clock ratio change at transfer time - Fixed the PLL6 cell size in the DTSI - A few fixes here and there: typos, etc. Maxime Ripard (5): clk: sunxi: Add support for PLL6 on the A31 ARM: sun6i: dt: Add PLL6 and SPI module clocks spi: sunxi: Add Allwinner A31 SPI controller driver ARM: sun6i: dt: Add SPI controllers to the A31 DTSI ARM: sunxi: Enable A31 SPI and SID in the defconfig Documentation/devicetree/bindings/clock/sunxi.txt | 1 + .../devicetree/bindings/spi/spi-sun6i.txt | 24 ++ arch/arm/boot/dts/sun6i-a31.dtsi | 86 +++- arch/arm/configs/sunxi_defconfig | 3 + drivers/clk/sunxi/clk-sunxi.c | 45 ++ drivers/spi/Kconfig | 7 + drivers/spi/Makefile | 1 + drivers/spi/spi-sun6i.c | 478 +++++++++++++++++++++ 8 files changed, 636 insertions(+), 9 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/spi-sun6i.txt create mode 100644 drivers/spi/spi-sun6i.c -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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