Reference to RK3288 TRM, fix an error channel id for i2s tx and rx
Table 10-1 DMAC_BUS Request Mapping Table
Req number Source Polarity
0 I2S tx High level
1 I2S rx High level
Tested on RK3288 board.
Signed-off-by: Jianqun <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add devicetree bindings for i2s controller found on
rk3066, rk3188 and rk3288 processors from rockchip.
Signed-off-by: Jianqun Xu <xjq@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>