On 16.03.2016 20:24, Eric Anholt wrote:
Here's the series for DMA slave and memcpy support for 2835, with the
DT changes to enable the remaining channels dropped out while that
goes through review. I had to do some minor conflict resolution, but
it was pretty mechanical, and I tested again with dmatest on the last
patch.
Martin Sperl (8):
dmaengine: bcm2835: set residue_granularity field
dmaengine: bcm2835: remove unnecessary masking of dma channels
dmaengine: bcm2835: add additional defines for DMA-registers
dmaengine: bcm2835: move cyclic member from bcm2835_chan into
bcm2835_desc
dmaengine: bcm2835: move controlblock chain generation into separate
method
dmaengine: bcm2835: limit max length based on channel type
dmaengine: bcm2835: add slave_sg support to bcm2835-dma
dmaengine: bcm2835: add dma_memcopy support to bcm2835-dma
I have successfully tested this modified patch-series
playing BigBuckBunny on:
* fb-tft device (fb_st7735r) - via spi-bcm2835 using slave_sg dma
* I2S Hifiberry DAC (snd_soc_hifiberry_dac) - via bcm2835-i2s using
cyclic dma
Required additional patches to make this work
(especially I2S support, which is non-working since ):
* the clock-patchsets:
* [PATCH 0/6] clk: bcm2835: fixes clk-bcm2835 driver issues
(most are reviewed by Eric)
* [PATCH 0/3] reorganize clock initialization and add PCM clock
(no reviewed/acked so far)
* i2s patchset to enable the use of the clock framework
* [PATCH V2 0/3] ASOC: bcm2835: move bcm2835-i2s to use clock framework
(if I remember correctly Mark Brown has merged the driver patches)
* out of tree drivers for Hifiberry DAC
(I guess I should upstream those...)
Tested-by: Martin Sperl <kernel@xxxxxxxxxxxxxxxx>
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