RK3128 has a second I2S block with 8 playback channels. It's internally hard-wired to the HDMI-TX, thus only usable with it.
Signed-off-by: Alex Bee knaerzche@gmail.com --- arch/arm/boot/dts/rockchip/rk3128.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/rockchip/rk3128.dtsi b/arch/arm/boot/dts/rockchip/rk3128.dtsi index 4c5c9728179e..2339232ae2d7 100644 --- a/arch/arm/boot/dts/rockchip/rk3128.dtsi +++ b/arch/arm/boot/dts/rockchip/rk3128.dtsi @@ -7,6 +7,20 @@ / { compatible = "rockchip,rk3128";
+ i2s_8ch: i2s@10200000 { + compatible = "rockchip,rk3128-i2s", "rockchip,rk3066-i2s"; + reg = <0x10200000 0x1000>; + interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru SCLK_I2S0>, <&cru HCLK_I2S_8CH>; + clock-names = "i2s_clk", "i2s_hclk"; + dmas = <&pdma 14>, <&pdma 15>; + dma-names = "tx", "rx"; + rockchip,playback-channels = <8>; + rockchip,capture-channels = <2>; + #sound-dai-cells = <0>; + status = "disabled"; + }; + i2c3: i2c@2005e000 { compatible = "rockchip,rk3128-i2c", "rockchip,rk3288-i2c"; reg = <0x2005e000 0x1000>;