Ah, I figured out why the dma stopped working. In s5pv210-aries.dtsi the dma's for i2s0 are overriden to use pdma0 instead of pdma1. That also needs changing for this to work properly. Thanks, Jonathan On 2020-09-07 5:17 p.m., Jonathan Bakker wrote: > Initial testing on both an i9000 and an SGH-T959P are showing that the audio has > stopped working with this. I'm not 100% convinced as I've had DMA issues in the > past. However trying to play something just results in a hang after 1.5s while > it works just fine without this patch. > > Thanks, > Jonathan > > On 2020-09-07 9:11 a.m., Krzysztof Kozlowski wrote: >> dtschema expects DMA channels in specific order (tx, rx and tx-sec). >> The order actually should not matter because dma-names is used however >> let's make it aligned with dtschema to suppress warnings like: >> >> i2s@eee30000: dma-names: ['rx', 'tx', 'tx-sec'] is not valid under any of the given schemas >> >> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> >> --- >> arch/arm/boot/dts/s5pv210.dtsi | 12 ++++++------ >> 1 file changed, 6 insertions(+), 6 deletions(-) >> >> diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi >> index 96e667ba1c3f..72fb9d9f7ba3 100644 >> --- a/arch/arm/boot/dts/s5pv210.dtsi >> +++ b/arch/arm/boot/dts/s5pv210.dtsi >> @@ -240,8 +240,8 @@ >> reg = <0xeee30000 0x1000>; >> interrupt-parent = <&vic2>; >> interrupts = <16>; >> - dma-names = "rx", "tx", "tx-sec"; >> - dmas = <&pdma1 9>, <&pdma1 10>, <&pdma1 11>; >> + dma-names = "tx", "rx", "tx-sec"; >> + dmas = <&pdma1 10>, <&pdma1 9>, <&pdma1 11>; >> clock-names = "iis", >> "i2s_opclk0", >> "i2s_opclk1"; >> @@ -260,8 +260,8 @@ >> reg = <0xe2100000 0x1000>; >> interrupt-parent = <&vic2>; >> interrupts = <17>; >> - dma-names = "rx", "tx"; >> - dmas = <&pdma1 12>, <&pdma1 13>; >> + dma-names = "tx", "rx"; >> + dmas = <&pdma1 13>, <&pdma1 12>; >> clock-names = "iis", "i2s_opclk0"; >> clocks = <&clocks CLK_I2S1>, <&clocks SCLK_AUDIO1>; >> pinctrl-names = "default"; >> @@ -275,8 +275,8 @@ >> reg = <0xe2a00000 0x1000>; >> interrupt-parent = <&vic2>; >> interrupts = <18>; >> - dma-names = "rx", "tx"; >> - dmas = <&pdma1 14>, <&pdma1 15>; >> + dma-names = "tx", "rx"; >> + dmas = <&pdma1 15>, <&pdma1 14>; >> clock-names = "iis", "i2s_opclk0"; >> clocks = <&clocks CLK_I2S2>, <&clocks SCLK_AUDIO2>; >> pinctrl-names = "default"; >>
